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The first Weather Bureau radiosonde was launched in Massachusetts in 1937, which prompted a switch from routine aircraft observation to radiosondes within two years. The Bureau prohibited the word "tornado" from being used in any of its weather products out of concern for inciting panic (a move contradicted in its intentions by the high death tolls in past tornado outbreaks due to the lack of ...
Cold-weather warfare, also known as cold-region warfare, arctic warfare or winter warfare, encompasses military operations affected by snow, ice, thawing conditions, or cold, both on land and at sea, as well as the strategies and tactics used by military forces in these situations and environments.
The WSR-1 or Weather Surveillance Radar-1 was one of the first weather radars and the first used by a civilian organization in the US. [2] The WSR-1 series was a modified version of the AN/APS-2F radar, which the Weather Bureau (now the National Weather Service) acquired from the Navy. The WSR-1A, WSR-3, and WSR-4 were also variants of this ...
In 1943, the United States Weather Bureau recognized their observations as "indispensable" for the war effort. [ 1 ] The flying of fighter aircraft between North America , Greenland and Iceland led to the deployment of two more weather ships in 1943 and 1944.
These are issued to advise of ongoing or imminent hazardous convective weather expected to continue/dissipate or expand/decrease in geographical coverage within the next one to two hours, major events forecast to occur beyond a six-hour timeframe (such as substantial temperature changes, dense fog and winter weather events), sub-severe ...
The Weather Prediction Center (WPC), located in College Park, Maryland, is one of nine service centers under the umbrella of the National Centers for Environmental Prediction (NCEP), a part of the National Weather Service (NWS), which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the U.S. Government.
January 4–6 — A small but violent tornado outbreak across the South—Central United States kills 47 people and injures at least 412 others. L. H. Seamon with the U.S. Weather Bureau, the predecessor of the National Weather Service, later stated this was the "most disastrous" tornado event of the year. [5] [3]
The Armistice Day Blizzard (or the Armistice Day Storm) took place in the Midwest region of the United States on November 11 (Armistice Day) and November 12, 1940.The intense early-season "panhandle hook" winter storm cut a 1,000-mile-wide (1600 km) swath through the middle of the country from Kansas to Michigan.