#Fog weather symbols weather channel software#
#Fog weather symbols weather channel code#

One more characteristic of these signs is that they can be combined with various other basic symbols that depict weather. This usually tells us about the approach of a storm. When a cold front overcomes a hot one, it is represented by a purple line, with both rounded and triangular points oriented in the same direction. They can move in a forward and backward direction every day, with all the points showing more or less similar intensity. When both the lines meet at particular areas, they form a stationary front these are boundaries that do not show much movements, and are represented by alternating points of both front types. The warm fronts are represented by curved red-colored lines with rounded/semi-circular points, which are oriented towards the wind current direction. The latter is characterized by decreasing pressure of air which is lifted upwards.Ī cold front is represented by a blue-colored curved line with triangular points, which indicate the direction of the wind currents. The former is characterized by atmospheric air under increasing pressure which sinks towards the land surface. A high pressure area is denoted by ‘H’ in blue, whereas, a low pressure area is denoted by ‘L’ in red. These are also called front line boundaries, and they represent the line of separation between hot and cold air masses which are present in either high or low pressure areas. The following image illustrates the main symbols which are used in describing the weather of a particular region. The type and number of symbols are decided depending on the kind of weather of the region where the readings are taken.

#Fog weather symbols weather channel software#

These values are then processed and interpreted by meteorologists using latest software programs, and conclusions are drawn using this data to prepare weather maps. In the field of meteorology, readings and values of various atmospheric parameters are taken at specific intervals around the globe at weather stations. The same type of graphical map representations are now digitally made, using real-time data. (See examples below.Considered as a class of important tools used by meteorologists, weather maps and associated symbols were manually drawn in the past. For wind speeds higher than 50 knots, long and short barbs are used again in combination with the pennant(s). At 50 knots, the barbs changes to a pennant.

One long barb is used to indicate each 10 knots with the short barb representing 5 knots.

Calm wind is indicated by a large circle drawn around the skycover symbol. A combination of long/short barbs and pennants indicate the speed of the wind in station weather that is rounded to the nearest 5 knots. After frontal passage, higher pressure moves over the station as indicated by the pressure rising more quickly. The steady or falling pressure will be the change in pressure before the front passes over the location.

#Fog weather symbols weather channel code#

It is useful for determining motion of front.įor example, a typical pressure pattern for a cold front that has passed a station would be code 3, falling or steady, then rising or rising, then rising more quickly. These symbols show the pressure trend during the past three hours. Steady or rising, then falling OR falling, then falling more quickly. Rising, then steady OR rising, then rising more slowly.įalling or steady, then rising OR rising, then rising more quickly.įalling, then rising, same OR lower than 3 hours ago.įalling, then steady OR falling, then falling more slowly.