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A Short-Term Forecast NOW (alt., NOWcast) is an event-driven narrative outlook of near-term weather conditions within the Weather Forecast Office’s area of responsibility, typically valid for a three- to seven-hour period. The product outlines any ongoing or recently occurring conditions—based on radar analysis, satellite imagery and other ...
Whiteout conditions pose threats to mountain climbers, skiers, aviation, and mobile ground traffic. Motorists, especially those on large high-speed routes, are also at risk. There have been many major multiple-vehicle collisions associated with whiteout conditions. One forward motorist may come to a complete stop when they cannot see the road ...
Weather map; Weather Prediction Center (WPC) Weather radar; Weather satellite; Weather surveillance radar (WSR) Weatherwise – A photographically adorned general interest weather magazine that frequently publishes articles on tornadoes and other severe weather. Wedge tornado – (slang) Storm chaser slang for a very large tornado. Typically a ...
A severe thunderstorm warning (SAME code: SVR) is a type of public warning for severe weather that is issued by weather forecasting agencies worldwide when one or more severe thunderstorms have been detected by Doppler weather radar, observed by weather spotters, or reported by an emergency management agency, law enforcement, or the general ...
Weather radar in Norman, Oklahoma with rainshaft Weather (WF44) radar dish University of Oklahoma OU-PRIME C-band, polarimetric, weather radar during construction. Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.).
Bear Valley, Boreal Mountain and Woodward Tahoe and Donner Ski Ranch were among the resorts which closed due to too much snow, high winds and generally unsafe conditions. California’s extreme ...
Temperatures will drop again on Wednesday for many areas outside the Midwest. Wednesday is likely to be the coolest day since spring for millions, and in many locations, it’ll feel more like ...
Outflow boundary on radar with radial velocity and frontal boundary drawn in.. An outflow boundary, also known as a gust front, is a storm-scale or mesoscale boundary separating thunderstorm-cooled air from the surrounding air; similar in effect to a cold front, with passage marked by a wind shift and usually a drop in temperature and a related pressure jump.