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High wind warning HWW – Strong sustained winds of 40 to 73 miles per hour (64 to 117 km/h) for one hour or longer, or wind gusts of 58 miles per hour (93 km/h) or greater for any duration that are not associated with thunderstorms are occurring or will occur within six to 12 hours. Wind speeds may pose a hazard to pedestrian and vehicular ...
Western New York was hit hard by high winds, with winds gusting to 74 mph (119 km/h) in Dunkirk and 78 mph (126 km/h) in Watertown; [26] the National Weather Service's Buffalo office warned in an Area Forecast Discussion that gusts from the southeast descending from Tug Hill could reach "potentially generational" levels. [27]
A slight risk day typically will indicate that the threat exists for scattered severe weather, including scattered wind damage (produced by straight-line sustained winds and/or gusts of 60 to 70 mph), scattered severe hail (varying in size from 0.25 inches (0.64 cm) to 1.75 inches (4.4 cm)) and/or isolated tornadoes (often of shorter duration ...
Maps show the areas impacted by storm surge, rainfall levels and more as Helene, once a major hurricane and now a tropical storm, moves inland from Florida's Gulf Coast over Georgia.
Wind gusts are reaching up to 80 mph posing an "extreme" and widespread wildfire risk conditions for most of Los Angeles and Ventura counties, including areas that are still-recovering from last ...
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 ...
According to the NHC's latest update, Helene — with maximum sustained winds of 130 mph — was located about 145 miles west-southwest of Tampa, Fla., and was moving north-northeast at 21 mph.
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.