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The weather service forecasts a chance of rain and snow showers between 1 and 3 p.m. in Milwaukee, switching to scattered snow showers later in the afternoon and evening. Precipitation chances ...
Intense snow squalls are expected to produce whiteout conditions and icy roads, making travel extremely hazardous. Strong winds, with gusts up to 50 mph, have caused power outages and downed trees.
The components of a winds and temperatures aloft forecast are displayed as DDss+/-TT: Wind direction (DD) and wind speed (ss), displayed as a 4-digit number, e.g. 3127, indicating a wind direction of 310 degrees true north and a wind speed of 27 knots. Note that wind direction is rounded to the nearest 10 degrees and the trailing zero is excluded.
The portal was founded by Ivo Lukačovič in November 2014, [1] [2] initially focusing on wind animation. It has since expanded to include various essential meteorological parameters, such as temperature , pressure , relative humidity , cloud base, and additional panels featuring more advanced data.
Isotach maps, analyzing lines of equal wind speed, [3] on a constant pressure surface of 300 or 250 hPa show where the jet stream is located. Use of constant pressure charts at the 700 and 500 hPa level can indicate tropical cyclone motion.
Travel will become difficult or impossible in some situations. Delay your travel plans until conditions improve. (This story has been updated to add new information.) Contributing: John Bacon, USA ...
Wind speed: Marine or beach hazard warning: Land warning: Tropical cyclone warning(s) Flags: Lights: Beaufort force: 25 to 38 mph (22 to 33 knots) Small craft advisory [56] Wind advisory: Wind advisory or small craft advisory: 6–7 39 to 54 mph (34 to 47 knots) Gale warning [57] High wind warning: Tropical storm warning* 8–9 55 to 73 mph (48 ...
A wind speed of 15 mph and temperature of 15 degrees can make it feel like zero degrees, for instance. Wind chill values near minus 19 degrees mean frostbite is possible within 30 minutes.