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Via Satellite Interviews Spacebridge

The vanguard of an advancing warmer air mass, the passage of which commonly brings cloud and precipitation followed by rising temperature and/or humidity. The leading edge of an advancing colder air mass. Its passage is normally marked by cloud and precipitation, followed by a drop in temperature and/or humidity. This picture shows the different scales on which snow can happen. The large snow band extending across the determine is associated with a large storm system moving throughout the country.

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This picture reveals the reflectivity field from the eye wall of Hurricane Andrew. The symmetry proven on this picture indicates that Andrew was a very well developed hurricane. The ring of orange are the high reflectivities associated with the convection discovered within the eye wall.

The tighter the packing, the stronger the winds are. The 500 mb heights are also known as the sterring winds of the atmosphere. Following a selected shade will present the place the winds and thus strain systems (cyclones and anticyclones) will move.

If the circulate is from north to south, the climate might be genreally collder than regular. If the circulate is from south to north, the weather shall be warmer than regular. Contours of equal mean sea-level strain (MSLP), measured in hectopascals (hPa). MSLP maxima (anticyclones) and minima (depressions) are marked by the letters H (High) and L (Low) on climate charts.

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The strain contours or isobars are drawn every 4 millibars. Cold fronts usually follow the strain trough flowing south and west from the low stress system. Warm fronts could be located at occasions as pressure troughs going east out of a low however are usually exhausting to search out. Surface winds are associated to the packing of the stress contours (isobars).