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Wind direction is usually reported in cardinal (or compass) direction, or in degrees. Consequently, a wind blowing from the north has a wind direction referred to as 0° (360°); a wind blowing from the east has a wind direction referred to as 90°, etc. Weather forecasts typically give the direction of the wind along with its speed, for ...
32-point compass rose. The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography.A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each separated by 90 degrees, and secondarily divided by four ordinal (intercardinal) directions—northeast, southeast, southwest, and ...
It is described by wind speed and the inverse of wind direction. Note that by convention wind direction is given as the direction the wind is from. In a vector diagram such as the wind triangle, wind direction must be stated as the direction the wind is blowing to, or 180 degrees different from the convention.
The atypical wind direction can pose a specific risk for boats and maritime infrastructure, as harbors that are usually well protected on the leeward side of the Channel Islands are suddenly ...
Along with wind direction, cloud cover is one of the oldest atmospheric conditions to be coded on a station model. [ 7 ] [ 8 ] The circle in the middle of the station model represents cloud cover. In the United Kingdom , when the observation is taken from an automated weather observation site, the shape is a triangle. [ 10 ]
A view from the top of the observatory tower at Mount Washington State Park, where the wind chill dropped to 105 degrees below zero Fahrenheit (-79 Celsius) is seen in a still image from a live ...
Note that wind direction is rounded to the nearest 10 degrees and the trailing zero is excluded. Temperature (TT), displayed as a +/- two-digit number, indicating temperature in degrees Celsius. Above 24,000 feet, the format changes by omitting a +/- sign on temperature. Temperatures at high aviation altitudes are below zero Celsius.
On Monday, the polar vortex will reach the Deep South, with temperatures down to the freezing point of 32 degrees Fahrenheit in Atlanta. Wind chills will be in the 20s.