tag:blogger.com,1999:blog-85071964690479962402024-03-20T08:10:25.432-07:00Radar LiveFLY RADAR | WEATHER | AIRPLANES | SHIPS | TRACKINGairplanetriphttp://www.blogger.com/profile/16275446842706085048noreply@blogger.comBlogger6125tag:blogger.com,1999:blog-8507196469047996240.post-23823003637261750962023-11-27T13:07:00.000-08:002023-11-28T06:44:30.897-08:00WEATHER MAP - Warm and cold front, symbols<p>Weather maps are a fundamental part of weather forecasting and meteorology. This article is an introduction to the fundamentals of meteorology and their depiction on weather maps.<br />You will learn how to read a weather map and what the different symbols mean.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://www.radar-live.com/2023/11/weather-map.html" rel="nofollow"><img alt="Weather map" border="0" data-original-height="612" data-original-width="800" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvPVM77r4dGyLypiEPNfccMgzhYx4vuauhjI7Jbv4kpo3Apf7t2gCC7t9eJ9pOwwNLjRvj042k9YW3OtsY4oiLo6LVZvovOzy1P7fN0w7rNaWu-nNQNdX0yGIYKr996U4nklSi0ZkfGhqrIbQQXx0zCecCZeSsILyj4WQ9fa4hL277lvSPiHsIcupl5ByX/s16000/weather-map.jpg" title="Weather map" /></a></div><h1 style="text-align: left;"><span><a name='more'></a></span>How to read a weather map</h1><h2 style="text-align: left;">Air Pressure</h2><p>Air pressure is one of the most fundamental quantities used in the study of weather forecasting. As the name suggests, air pressure denotes how much pressure the column of air above a certain location exerts on the earth’s surface. About 75% of the Earth’s air is stored in the troposphere, which is the lowest layer of the atmosphere. The higher you go, the less air there will be. For example, the <a href="https://www.radar-live.com/p/atmospheric-pressure.html">air pressure</a> at the top of Mount Everest is about three times lower than at sea level. On weather maps, the pressure is always recalculated to the air pressure at sea level to be able to study the regional differences in air pressure better.</p><p>The air pressure is denoted in hPa (hectopascals, 1hPa=100Pa). The average air pressure of the Earth at sea level is 1013hPa. However, due to the tilt and curvature of the Earth, some regions receive more energy from the sun than others. These regions experience higher temperatures, and when the air warms up, it ascents up in the troposphere. In this manner, a lower pressure is created at the surface. Temperature differentials are the main reason for pressure differences between different regions. And it is these pressure differences that lay at the base of weather forecasting.</p><h2 style="text-align: left;">Low and High-Pressure Areas</h2><p>Low and high-pressure systems or areas are relative measures, this means that there is no specific air pressure for which a pressure is seen as low or high. A low-pressure area (synonyms: low, depression, cyclone) is an area of lower pressure than its surroundings. A high-pressure system (synonyms: high, anticyclone) is defined oppositely. To identify lows and highs on a weather map, isobars are used. An isobar is a line that connects points with an equal sea-level air pressure. These lines are labelled with their corresponding pressure value (in hPa). The higher this value, the higher the pressure. An air pressure map is comparable to a topographic map, where mountain peaks are high-pressure areas (local maxima), and valleys are lows (local minima). <b>The lows are often marked with an L, while the highs are marked with an H.</b></p><div class="separator" style="clear: both; text-align: center;"><img alt="Low and High pressure areas." border="0" data-original-height="370" data-original-width="600" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnl0vWr8uvSnFQ7IuvMAJSUCFqUys7MW7QippQ_D3SGSKaLIDcQs4otjwDsOAgdR-9Hi9WQOnOLJG3OyEQ11d6qp2Mvo86H0FNG070zWWqFnbQ3R_wBlcVKGTUF8riNYALymJSz_3C6MmDGQSMOx5cFTNnJq0VSJDZINgrHsdnP_1h3y0hgghF_94_UvTB/s16000/low-and-high-pressure-areas.jpg" title="Low and High pressure areas." /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><h2 style="text-align: left;">Wind around Highs and Lows</h2><p>Nature always tries to be as stable as possible. In the case of pressure areas that means that nature tries to equalise variations in pressure by moving air from one place to another. That’s why the air would move from high-pressure areas to areas with lower pressure, under the assumption that the Earth would not be spinning. But the Earth is spinning. This means that the movement of air from highs to lows is redirected. </p><p>In the Northern Hemisphere, the movement of air, also known as <a href="https://www.radar-live.com/p/wind-speed-map.html">wind</a> around a low is counter-clockwise, while the wind moves in a (nearly) clockwise fashion around an anticyclone. In the Southern Hemisphere, this motion is inverted. The direction of the wind can thus be determined on a weather map by finding the areas of low and high pressure and following the isobars respectively in an anticlockwise or clockwise direction.</p><div class="separator" style="clear: both; text-align: center;"><img alt="Wind around Highs and Lows" border="0" data-original-height="360" data-original-width="600" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAVlw4VkgDML3mbDCwH2P6v49kRA7aGu0V1G_YIUeUAo6VkF69kCKjrz2Zsvlv6N9wEp3uHnzNhxOms0iajrhb_QO6yWEZloTrxoommtB8FTdu_O3W3RO6u1OKgp_x6TvUk_YAzquS-rgte-9dfdVCO8-aX-BfYtG8lWFcq_V_yh_tHqgmN43bsBHiAu91/s16000/wind-arround-higs-and-lows.jpg" title="Wind around Highs and Lows" /></div><p><br /></p><h2 style="text-align: left;">Air Masses</h2><p>We’ve learned that lows and highs result in air movements. But not all air masses are identical. The temperature for a given location is greatly influenced by the direction of the wind, and the resulting air mass. Air masses are classified using two criteria: their temperature and their origin. Polar air masses are cold, while tropical air masses are warmer. The two origin types are maritime, when the air mass moves over a big stretch of open water, like a sea or ocean. The other type is continental when the air mass does not move across a significant body of water. </p><p>Wind direction often doesn’t tell the whole story, the origin of the air is more important. For example: in Western Europe, a northwestern wind often results in a maritime polar air mass (mP). Maritime air masses result in less extreme temperatures and more moisture in most cases. In the Northeast of the USA for example, a northwestern wind would result in a continental polar air mass (cP), resulting in lower temperatures than in Western Europe, even though the wind direction might be identical.<br /><br /></p><h2 style="text-align: left;">Boundaries between Air Masses: Fronts</h2><p>A weather front is the boundary between air masses of different types. Depending on the air masses in front of, and behind the boundary, the front type is determined. There are three main types of fronts:</p><p><b><u>Cold front</u></b>: the boundary between colder and warmer air, where the colder air mass is replacing the warmer air mass. <b>Cold fronts are denoted by a blue line</b> with triangles on weather maps, the direction of triangles is the direction of movement. Cold fronts are often formed up of (thunder)storms with heavy precipitation in some cases. During the passage of the front, the temperature at ground level will quickly drop.</p><div class="separator" style="clear: both; text-align: center;"><img alt="Cold front" border="0" data-original-height="384" data-original-width="700" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxgPZw6995z9X-yq09U7kaRAJ-95vL6ntkn25SJZ6mAU4ie0V8WFgueKOiwpL04hmCa6PJgvwYVXVTzx6Hx9_xKJFVaDRphUyIzdDaYxqiQ4lklJFFoZCGY3zyJEMcoRMMJfHFCQ6ps0pLUjRTvtWwyjD03Gp9Ygt0wOqZ2r2EHgeZzqpTIUihcx8ep3Vo/s16000/cold-front.jpg" title="Cold front" /></div><br /><p><br /></p><p><b><u>Warm front</u></b>: just like cold fronts, this is the boundary between warm and colder air. In this case, though, the cold air mass is replaced by the warm one. <b>Warm fronts show up as red lines</b> with half circles in the direction of movement on weather maps. Unlike cold fronts, precipitation on warm fronts tends to be less severe, but with a longer duration. At the surface level, the temperature slowly rises, as opposed to the rather abrupt temperature change with cold fronts.</p><div class="separator" style="clear: both; text-align: center;"><img alt="Warm front" border="0" data-original-height="383" data-original-width="700" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZb8vojJV98jErmYyLakq0PJmlLHBuWtNIAJCoDonMTo5T5Shw9XlWxyCa6lcvdCVY2_BkqGTyOhBoFYSeSTsnhukrPx8MT9CSbS0NSKGcPL5IpkfGliqwD8BEfmcEuobiL75hGPqTUTCaBC7P64yF1nfOWJAwl-94Dg5YhPyVKVug2ChxwXw2khCEHieT/s16000/warm-front.jpg" title="Warm front" /></div><br /><p><br /></p><p><b><u>Occluded front</u></b>: cold fronts move quicker than warm fronts, when a cold front overtakes a warm front, an occluded front is formed. <b>This is denoted by a purple line</b> with triangles and half circles in the direction of movement. Occluded fronts tend to be quite similar to cold fronts but with a less severe temperature drop.</p><div class="separator" style="clear: both; text-align: center;"><img alt="Types of front" border="0" data-original-height="370" data-original-width="600" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimMdkAcMVNxDHxJ8L5_wpKCD-AJmfAJb7z35evyTzT-x6kj7svUnApSaPku9c0ycEej6N1eU-Q1cDv-A7U40LBkkiLSxbuMFiq_J_mCm0RK7S3RDCKnvW_zOXmZ4wesfyb3W6FnmLL2ci7Eb_65XMG3HLmQCB0UVtOGlPcQotlxYD9-4kA4MtN7wz_b6TW/s16000/types-of-fronts.jpg" title="Types of front" /></div><br /><p><br /></p><h2 style="text-align: left;">Surface Weather Observations</h2><p>The last main element present on a weather map is the surface observations. These are spread out over the map. These observations depict a variety of meteorological parameters, including the important ones like air pressure, temperature, wind and weather.</p><div class="separator" style="clear: both; text-align: center;"><img alt="Element present on a weather map" border="0" data-original-height="271" data-original-width="600" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0i7zvT9vEIWMmpliStbTLW9K3oEKSaFDN-9AstwCO1gVQO2yCXhIOxdRgYtW0s1yMa_vG7ENxR_VjBRgyAnX90fLqQ6WHeSMfp50usHrclYFxypQdtC6-nhIRZoEsAlF62DKveJ59KdGFLhG8_dYiw2lC772weYBY8iMYBXVuQnehgdnzn5S725vtYZwy/s16000/elements-of-surface-weather-map.jpg" title="Element present on a weather map" /></div><br /><p>A simple version of such a weather observation point is given above. There is a lot of information in a rather small space. The big circle in the middle represents the <b>cloud cover</b>, if the circle is completely filled (like in the example), it means that 100% of the sky is filled with clouds. The less the circle is filled, the fewer clouds present in the sky. The wind barb is directed in the direction of the wind (so in the example the wind direction is north-northeast). The number and size of ticks on the barb represent the wind speed.</p><p>The number in the upper left is the <b>air pressure</b> or at least a part of it. The three numbers visible are the last three numbers of the air pressure in hPa (or mbar) if noted down with one number after the decimal point. So in this example 998 translates to X99.8hPa, the X could be either 9 or 10, but since air pressure is almost always in the range (950-1050): X is 10 if the value is below 500 and 9 if it is above. The <b>pressure trend</b> is the change in air pressure over the last 3 hours, the line denotes the direction of the change. So in the example, the air pressure decreased by 0.5hPa over the past 3h.</p><p>The value in the upper left is the <b>temperature</b> in °C (or °F in the USA). The value below is the <b>dewpoint</b> in °C(°F). The relative humidity of the air can be determined using this value. The closer the dewpoint is to the temperature, the higher the relative humidity. In between these two values, there is space for an icon describing the <b>current weather</b>.</p><p><br /></p><h2 style="text-align: left;">Present Weather Symbols</h2><p>There are over one hundred unique weather symbols. We will take a look at the most important ones in this section. Most present (or current) weather symbols relate to precipitation. There are a couple of different symbols for precipitation type: one for <a href="https://www.radar-live.com/p/rain-radar.html">rain</a>, snow, drizzle and freezing rain. These symbols change when the intensity of the precipitation changes. In the example above, the weather observation is light rain (two circles).</p><div class="separator" style="clear: both; text-align: center;"><img alt="Weather symbols" border="0" data-original-height="387" data-original-width="600" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPIMfw0M15YWmh43d29qO31pEdtmeQPosl3j_bDtWDG9Z0uTBCwWbYOyjG-OSdR31fl-TvgbcbpZbUQwJj2snAUN9PBMZ-FhAp8HjP6LjPEILyW48dCTntcncY6h9uI_udHR9VbFgxQs6bldxXl8DaUeVDqiu_r5WHrPTFq9IKtYvTpHUHscTGlFSfBPH1/s16000/weather-symbols.jpg" title="Weather symbols" /></div><br /><p>Then there are also symbols for (rain or snow) showers, <a href="https://www.radar-live.com/p/thunderstorm.html">thunderstorms</a>, haze and fog. Many of these symbols can also be combined to be able to deliver even more information. There are over ten symbols to describe thunderstorms for example. The symbols in the table above are the most important and most used. </p><p><br /></p><h2 style="text-align: left;">Conclusion</h2><p>Weather maps contain a load of information. From isobars which denote lows and highs to fronts and weather symbols, which contain a lot of information themselves. We can derive the most important meteorological parameters from a weather map: air pressure and its relation to wind direction, fronts which are the boundaries between air masses and <a href="https://www.radar-live.com/p/weather.html">weather observations</a> which can tell us more about the actual weather at the surface level: temperature, exact air pressure, wind speed and direction and the present weather. Now you should be able to understand all main aspects of a modern weather map and derive conclusions about the weather in different locations using weather maps.</p>airplanetriphttp://www.blogger.com/profile/16275446842706085048noreply@blogger.comtag:blogger.com,1999:blog-8507196469047996240.post-52194572253245611602023-11-23T13:14:00.000-08:002023-11-28T06:44:12.222-08:00TEMPERATURE - Forecast for today and tomorrow<p>What is the temperature now in my location. Check the local temperature forecast for today and tomorrow. On the map you will see how many degrees it will be in the next few hours.</p>
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<p><iframe frameborder="0" height="550" src="https://embed.windy.com/embed2.html?lat=46.317&lon=-4.922&detailLat=51.510&detailLon=-0.130&width=650&height=450&zoom=4&level=surface&overlay=temp&product=ecmwf&menu=&message=&marker=&calendar=now&pressure=&type=map&location=coordinates&detail=true&metricWind=default&metricTemp=default&radarRange=-1" width="96%"></iframe></p></div>
Find a town on the map and read what the current temperature is. Will it be warm, nice weather today and when will the cooler air reach at my location. The unit of measurement is given in degrees Celsius or Fahrenheit.<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://www.radar-live.com/2023/11/temperature.html" rel="nofollow"><img alt="Temperature" border="0" data-original-height="400" data-original-width="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLdXl1SOVFqC0zOiBdX-ECWR_FDNkB9uYjrHYSBKsWLllLOmq1cxaBp3pYKCsp-pG1n8pwrL5iRjdK92tsZVJrsZuqO1K8yy2ok9RYDloBcu8Rl3oMMse5K1V2X0Un5RFgi3wnP9LBVBvMfjWmv61Epy9vIUHPolXR1ve6NdlOwYyCSFF3VikADpZdDF1G/s16000/temperature.jpg" title="Temperature" /></a></div><br /><p>The meteo data comes mainly from the most accurate and verifiable forecast based on the ECMWF organisation and the Windy interactive map.</p>airplanetriphttp://www.blogger.com/profile/16275446842706085048noreply@blogger.comtag:blogger.com,1999:blog-8507196469047996240.post-71383207843943547662023-11-23T06:04:00.000-08:002023-11-28T06:48:43.002-08:00WIND FORCE SCALE - Beaufort scale chart<p>Beaufort scale of wind strength presented in a chart with a description of each category. The graphic in the table shows the effect of wind force on the surroundings.<span></span></p><a name='more'></a><p></p><p>The Beaufort Scale is a scale used to measure wind strength at sea. According to the scale, the strength of the <a href="https://www.radar-live.com/p/wind-speed-map.html">wind</a> can be assessed by observing its effect on the sea and objects moving at sea. The Beaufort scale has 13 degrees, numbered from 0 to 12, with a description of the characteristics for each degree. </p><p><img alt="Beaufort scale chart" border="0" data-original-height="1080" data-original-width="1000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhb5Ub2i9KasPgjxYe7yC7jVGrosBbkRGepw1x4M0qJNShbfQNmDJZ6ujqq3gs0J4D-hbPTXCKTtJd7V3o1Dr6gWQknVgGUmI_Z-VJujSu5gAsj3fQ118HaSkHVetmjC0KN4CMtO08OUtIJL1B66DTdgki4zCZlAaX5mOeAuOOcm5onZWI13LySLeYD9aqQ/s16000/beaufort-scale-chart.webp" style="text-align: center;" title="Beaufort scale chart" /></p><h2 style="text-align: left;">Categories of the Beaufort scale</h2><p>0 - Calm (0): The sea is calm and mirrored.</p><p>1 - Light air (1-3 knots): Small waves with gentle crests, smoke rising straight up.</p><p>2 - Light breeze (4-6): Waves short but already visible, white foam appears on wave crests.</p><p>3 - Gentle breeze (7-10): Waves of medium length, shaping into fairly long crests, foam starting to be significantly visible.</p><p>4 - Moderate breeze (11-16): Longer waves, shaping into long ridges, breaking waves are observed.</p><p>5 - Fresh breeze (17-21): Increase in wave heights, foam splashes in the air, difficulty walking upwind.</p><p>6 - Strong breeze (22-27): High wave heights, lots of foam in the air, difficulty balancing.</p><p>7 - High wind, moderate gale, near gale (28-33): Very high waves with long crests, lots of foam visible, difficulty walking at sea.</p><p>8 - Gale, fresh gale (34-40): Huge waves, sea completely converging, very difficult sea conditions.</p><p>9 - Strong/severe gale (41-47): Large waves, difficult to distinguish from each other, large amount of foam visible, very dangerous sea.</p><p>10 - Storm whole gale (48-55): Extreme conditions, giant waves, dangerous sea, risk of damage to ships.</p><p>11 - Violent strom (56-63): Huge waves, air saturated with foam, extremely dangerous sea.</p><p>12 - Hurricane force (64 and above): Extremely dangerous conditions, huge waves, visible damage at sea.</p><p><br /></p><p>The Beaufort Scale is still used to assess sea conditions and is helpful in improving <a href="https://www.radar-live.com/p/ship-radar.html">shipping</a> safety.</p><p>It was created by Sir Francis Beaufort, an officer in the Royal British Navy, in the 19th century.</p>airplanetriphttp://www.blogger.com/profile/16275446842706085048noreply@blogger.comtag:blogger.com,1999:blog-8507196469047996240.post-30604006462629054822023-11-01T06:50:00.000-07:002023-11-07T13:26:19.151-08:00PRECIPITATION MEANING IN WEATHER<h2 style="text-align: left;">What is precipitation?</h2><p>Precipitation, in the context of weather, is the result of condensing water vapour falling from the clouds due to gravity. Drops of water or snowflakes inside clouds, which are made up of microscopic water or snow particles, descend to the ground when they get heavy enough. Precipitation takes varied shapes depending on the temperature in the clouds, and it can also take diverse forms depending on the temperatures it meets on its way down.</p><span><a name='more'></a></span><p><br /></p><h1 style="text-align: left;">Precipitation meaning in weather</h1><p>Most people's lives are affected by precipitation, but what are the many forms of precipitation and how do they form? Rain isn't the only sort of precipitation; there are a variety of other types of precipitation. Each category develops at different temperatures and through various mechanisms. Let's have a look at the many sorts of precipitation. Check the <a href="https://www.radar-live.com/p/rain-radar.html">rain radar</a> and where it is raining and snowing now.</p><p><br /></p><h2 style="text-align: left;">Which role does precipitation play in the water cycle?</h2><p>Every droplet of water makes part of one of the biggest cycles here on earth: the water cycle. Since it’s a cycle, there is no start, nor end, but we’ll start our journey at sea. With the help of the sun and its powerful light, packed with energy, water in oceans, seas and lakes evaporate constantly. Even when the sun isn’t out, at night or in winter. When the water evaporates, its state of matter changes from liquid to solid. That process is called evaporation.</p><div class="separator" style="clear: both; text-align: center;"><img alt="Water cycle" border="0" data-original-height="572" data-original-width="800" src="https://blogger.googleusercontent.com/img/a/AVvXsEgZn7IVCwDMJhEzJ0IaZy1P91gQSsX2dLfzRaowQwJAjfj3qwJQm7ol0OqAAHdrFEhEHZyd7OWw6P5aWADedvF-2jlgUzag7bIjRohrE0wD2VycVEqiCRC5VbMVXFVfWojHtmUa3qTKrT_dLFIyzXq41ZBzHIy6IZ73xCBfRf6apmvBPAHzZ4mpf63Neg=s16000" /></div><br /><p><br />The water vapour rises up in the atmosphere. When the vapour rises higher, it gets colder, and the vapour starts to condensate. The process of condensation results in the water vapour being transformed into small water droplets again. When the condensation process is massive, clouds are formed that can be seen in the current <a href="https://www.radar-live.com/p/satellite-weather.html">satellite weather</a>.</p><p>These clouds move and eventually produce precipitation. When the precipitation reaches the ground, it collects in little streams. This water eventually flows into bigger rivers and ends up in a lake or sea. Another part filters into the ground and ends up in the groundwater reserves, they eventually end up in rivers too after possibly multiple decades. This is the point at which the cycle begins all over again. However, plants ingest some groundwater, which they then return to the atmosphere in the form of water vapour through the process of transpiration.</p><p><br /></p><p>Precipitation thus plays a major role in distributing the water from bigger bodies of water back again to more inland areas. Without precipitation and the weather more generally, there wouldn’t be a water cycle. All water would be concentrated in oceans and lakes, streams and rivers wouldn’t be present.</p><p><br /></p>
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<h2 style="text-align: left;">The types of precipitation</h2><div><br /></div><h3 style="text-align: left;">Rain</h3><p>Rain is probably the most well-known type of precipitation. It is not only the most well-known, but also the most frequent form in the world. Rain can be formed in both nimbostratus clouds and cumulonimbus clouds. There are two ways in which rain drops can be formed. The first is the coalescence process. In a nutshell, this is the process of water droplets combining to form larger drops. As long as the temperature in the cloud is above 0°C. So generally on not-too-cold days, and in the cloud's lower layers. When a drop is large enough, it falls to the ground.</p><p><br /></p><h3 style="text-align: left;">Snow</h3><p>Snow is the second most prevalent type of precipitation. The Bergeron process, as discussed in the previous section regarding rain, is used to generate snow. However, for the ice crystal to descend to the ground, temperatures in most levels of the atmosphere must remain below freezing, resulting in <a href="https://www.radar-live.com/p/where-is-it-snowing.html">snow on the ground</a>. Snowflakes are small ice crystals that, most of the time, form groups and are viewed as snowflakes. Snow can collect as a snow cover when temperatures at ground level are below freezing.</p><p><br /></p><h3 style="text-align: left;">Hail</h3><p>Hail is only formed in cumulonimbus clouds. Strong circulating convection currents can be found within these clouds. Particles are transported across the clouds by these currents. Small raindrops that are carried up into the atmosphere freeze. Other little drops adhere to this small hailstone when temperatures drop below freezing again. These droplets freeze when the hailstone is propelled back up, and the cycle begins again. Hailstones can grow to be the size of an egg depending on how powerful the circulation is. When the weight of a hailstone becomes too great, it is carried to ground level, where it can damage cars, houses and injure people and animals.</p><p><br /></p><h3 style="text-align: left;">Sleet and freezing rain</h3><p>When the ground temperature is below freezing but there is a layer of warmer air above, snowflakes melt into raindrops in this warm layer. Sleet or freezing rain will fall depending on how thick the cold layer is beneath the warm layer. If the cold layer is thick enough, the rain will have enough time to freeze again, this time into small ice cubes rather than snowflakes. It's important not to mix them up with hail. Sleet particles are substantially smaller than hail and develop in a completely different way. The rain will cool, but not freeze, when the layer of cold air is not as thick. However, when the rain reaches the cold surface in this cooled state, it will promptly freeze. Streets can get extremely slippery, because a layer of ice is literally formed on top of them.</p><p><br /></p><h2 style="text-align: left;">Bergeron process</h2><p>The Bergeron process happens when the temperature is below freezing. Small water droplets that are still liquid form solidify into ice crystals in this situation. If a particle is heavy enough, it will tumble down, just like in the coalescence process. The Bergeron process creates snow at first. It can, however, melt into raindrops when it reaches warmer air layers lower in the atmosphere.</p><div class="separator" style="clear: both; text-align: center;"><img alt="Bergeron process" border="0" data-original-height="403" data-original-width="600" src="https://blogger.googleusercontent.com/img/a/AVvXsEgTdH3srHKJ2bHuALfX3aSy01VfSGE6a94ZtmUWaT1fEky2YlHdShyTVxv7NTPZz1Cl4Ef8pCcIz7VCcZx6z3NKSmwe3za8UyIDzXRmKNeSpaq5jzsttMi-DJtGeDivf1tkS50lEFCDpnf5RjZ0hVt2VcYdH2-vTYJDc4bUMXfaCQIoYRrQAkanoXzW4A=s16000" /></div><br /><p><br /></p>airplanetriphttp://www.blogger.com/profile/16275446842706085048noreply@blogger.comtag:blogger.com,1999:blog-8507196469047996240.post-14111915290809499392023-09-11T05:07:00.000-07:002023-11-28T04:43:40.038-08:00HURRICANE RADAR - Typhoon tracker live<div>On the hurricane and typhoon radar you can check whether a storm may occur near my location. You can track on the weather map the strength and direction of the hurricane in the following hours and days.</div><div> </div><div><b><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
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<br /></div><div><h2 style="text-align: left;">What is hurricane and typhoon?</h2><div><br /></div><div>A hurricane is a form of tropical storm characterised by a closed centre of low atmospheric pressure, intense winds, heavy rainfall and low pressure in the centre. </div><div>For a hurricane to form, specific conditions are needed, such as warm surface ocean water (usually above 26.5 degrees Celsius) and the presence of Coriolis (an effect resulting from the Earth's rotation), which gives a hurricane its characteristic rotational motion.</div><div><br /></div><div><div>Tropical cyclones are whirls caused by low <a href="https://www.radar-live.com/p/atmospheric-pressure.html">atmospheric pressure</a>. Their range is up to 400 miles. The tornado operates within a few miles, and their violence is caused by the suction action of low pressure.</div></div><div><br /></div><h2 style="text-align: left;">Hurricane categories</h2><div><br /></div><div>Hurricanes have different categories, from 1 to 5, depending on the wind speed. Category 1 indicates the least intensity, while Category 5 hurricanes are the most dangerous, with very strong winds exceeding 252 km/h.</div><div><br /></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><img alt="Hurricane categories" border="0" data-original-height="700" data-original-width="700" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhR8zBKGhAUxyfO4Mf_nCLTaefi3zn2m0VT8mqMY4Mp2AjeiYfIEH_ASwdcEb-QN2PQsZ1r3b4otXAPbTae7JYHa2QNFToMI-hWn2Z4TdjyDsSg5AUDOg-qgIXyF2s56jVH2jBvqBzGeCVDqNbG7PHFO-UldvYrS3k1GcJKJvr2VFz-XefBp8q5FF-ja1YQ/s16000/hurricane-categories.webp" style="margin-left: auto; margin-right: auto;" title="Hurricane categories" /></td></tr><tr><td class="tr-caption" style="text-align: center;">Hurricane scale</td></tr></tbody></table><br /><div><br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div>Hurricanes can bring significant destruction as a result of strong winds, heavy <a href="https://www.radar-live.com/p/rain-radar.html">rainfall</a>, sea level rise especially as a result of the so-called storm surge.</div><div><br /></div><div>The name <b>hurricane</b> is used over the Atlantic Ocean for a very strong tropical storm of cyclonic nature.</div><div>The name <b>typhoon</b> is used for strong storms over bodies of water in the Indian Ocean or Pacific Ocean.</div></div><div><br /></div><div><br /></div><div>
<h2 style="text-align: left;">Hurricanes and storms are often called by name.</h2>
<h3 style="text-align: left;"><br /></h3><h3 style="text-align: left;">Biggest hurricane names:</h3><div><br /></div><div>Lee - 2023</div><div>Fiona, Ian - 2022</div><div>Ida - 2021</div><div>Laura - 2020</div><div>Dorian - 2019</div><div>Florence - 2018</div>
<div style="text-align: left;">Irma, Maria, Harvey, Jose, Ophelia - 2017</div>
<div>Hurricane Katrina - one of the most dangerous hurricanes in USA - 2005</div>
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On the storm radar you can see the shaping whirlwinds and whirlpools.</div>
<br /></div>airplanetriphttp://www.blogger.com/profile/16275446842706085048noreply@blogger.comtag:blogger.com,1999:blog-8507196469047996240.post-32110577766364717632022-01-21T04:25:00.005-08:002023-11-11T13:40:17.719-08:00Smog definition and meaning<p style="text-align: left;"><span></span></p><div style="text-align: left;">Smog is an atmospheric phenomenon in which exhaust fumes, smoke and fog mix at the same time. Smog is caused by air pollution, for which man and his business are responsible, including the wrong way of heating buildings, the use of cars and motorcycles, and large-scale industry in many cities around the world.</div><br /><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://www.radar-live.com/2022/01/what-is-smog-definition-and-meaning.html" rel="nofollow"><img alt="What is smog?" border="0" data-original-height="450" data-original-width="600" src="https://blogger.googleusercontent.com/img/a/AVvXsEjKLHhp4KjvjI9G2q4HoNlfep78BXxNUAMKHOpzBdgLo_VR7c4RUXBB4moRA9gbrNi2k27aSHXDURn6HZKh6K943fGFZjWctyv-7nVpPAtS8DFEHGfGkvVe3RuW2lTA-3ldJ5WkHH6DVKHIehB1Lkl7KZgAbK3Ja39N7DtsIxSOmrJ63lpfKv70cxeNyg=s16000" /></a></div><div><br /></div><span><a name='more'></a></span>Most often, smog occurs during fog or no wind, thus hazardous substances stay in the atmosphere and directly threaten people's life and health. <br /><p>View the current <a href="http://www.radar-live.com/p/air-pollution.html">map of air pollution</a> in the world.<br /><br /></p><h2 style="text-align: left;">The sources of smog are:</h2><p>1. The use of obsolete coal and wood stoves when heating houses where poor quality fuels are burned, emit harmful substances into the atmosphere during combustion. In some farms it happens that garbage and waste from plastics, varnished wood or furniture boards are burned. </p><p>The best way to reduce or even completely abandon the emission of these poisonous substances is to modernize our apartment building and replace the boiler. In this way, we have a real impact on the improvement of air quality in our environment, thanks to the effective management of thermal energy, we have an impact on saving our expenses. In addition, we protect our health and that of our loved ones, and thus we care for the natural environment for us and our future descendants. By deciding to change the heating source of our home, we breathe much more freely, avoid various ailments related to polluted air, and most importantly, there will no longer be a smog cloud in the air in our environment. </p><p>In addition to the threat to human health, smog has a destructive effect on the nature around us. Our animals and plants suffer from this.</p><p><br /></p><p>2. Car exhaust emissions, especially diesel cars, but not only. We should remember that the older the car we are driving, the exhaust gases are emitted richer in suspended dust, heavy metals and nitrogen oxide. During the use of cars, non-exhaust pollutants are released, e.g. during the loss of brake blocks, discs, tires, especially in large cities, where starting and braking are more frequent due to traffic jams. There are more and more cars in the world that emit harmful substances into the atmosphere.<br /><br /></p><p></p><div class="separator" style="clear: both; text-align: center;"><img alt="Vehicle exhaust emissions" border="0" data-original-height="300" data-original-width="450" src="https://blogger.googleusercontent.com/img/a/AVvXsEhsuLmsGmQkS0eqpyV_2k-5XyGUq-rmrOqt1Hzt4Bg6cUc8NjKAtoK_Vy7mN5OFpJmeHVN7UxPXyvDN4Hz-W1yFOAMvzYOp0mCQj6aEICS9bKxpTmtkN5ugjmW8U3qX58cxHsYL8u2ET3oOT0U-WvOC6AO4iDeHJjx3bLzfgbtdWkgS6ywKvbQblMtlqg=s16000" /></div><br />Smog check is a program that has been implemented in California, USA. Vehicles manufactured after 1975 must participate in the smog test at the station every two years. Smog check near me - search star station in your city.<p></p><p>Fortunately, the production of electric cars, which are devoid of exhaust gases during everyday use, has now started. It is also worth using public transport - buses and trains.<br /><br /></p><p>3. Emission of pollutants by all industrial plants</p><p><br /></p><h2 style="text-align: left;">Particularly harmful substances in the air:</h2><p>1. Suspended dust (smaller grains PM 2.5 and larger grains PM 10)<br />2. Nitrogen dioxide<br />3. Sulfur dioxide<br />4. A carcinogenic substance of benzoapiren<br />5. Heavy metals<br />6. Benzene</p><p><br /></p><p>Long-term stay in such polluted air is a threat to life and health. Every year, many people around the world die of diseases caused by air pollution.<br /><br /></p><p>Living in smog slowly destroys the human body. Human inhalation of such polluted air contributes to the inflammation of the mucosa. In this way, the work of the respiratory tract is impaired, gas exchange in the lungs is hindered, during which bacteria and viruses enter our body more easily. The reason is a persistent cough, an increase in mucus production. Then, bronchospasm occurs and dyspnea intensifies. The substances in the polluted air are highly allergenic, causing asthma. While staying in polluted air, we can notice increased symptoms of a cold, recovery time may be extended, and various complications may occur many times.</p><p><br /></p><h2 style="text-align: left;">Symptoms for concern about our health are:</h2><p>• Headaches, nervous system disorders</p><p>• Chronic lung disease, lung cancer, asthma</p><p>• Ischemic heart disease, including myocardial infarction</p><p>• Liver problems</p><p><br /></p><h2 style="text-align: left;">How to protect yourself from dangerous smog?</h2><p>1. A very good solution is to wear special masks that cover the nose and mouth. Remember, however, that they must be masks with a special filter that protects against contaminated particles larger than 0.3 µm (micrometer).</p><p>2. Another way out of the situation of being in the air during smog is to avoid leaving the house if there is no such necessity or simply avoid moving along the busiest streets of the city, choose me crowded streets, even though our way to the destination may be longer.</p><p>3. Enjoy walking on <a href="https://www.radar-live.com/p/wind-speed-map.html">windy days</a> when the air is cleaner</p><p>4. Supplement your diet with the intake of appropriate vitamins in the form of supplements, especially vitamins. C, A, E and selenium.</p><p>5. Special purifiers can be used to purify the air in our homes. These devices will remove dust that may have entered from the outside, but also microbes, mold, dust, fungi and mites.</p><p>Dirty, polluted air is very dangerous for the societies of many developed countries. Most often, people complain about poor air quality in the autumn and winter period. When going for a walk in this period, we can expect a headache or a scratching throat, coughing. In addition, smog also affects human skin.</p><p><br />In order to be able to enjoy long health and life, we must not only remember the above methods of preventing air pollution, but also change our habits and way of thinking.</p>airplanetriphttp://www.blogger.com/profile/16275446842706085048noreply@blogger.com