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Convective mesoscale discussions are issued by the National Oceanic and Atmospheric Administration’s Storm Prediction Center based on the National Weather Center in Norman, Oklahoma. [ 1 ] [ 2 ] One type of mesoscale discussion is a meso-gamma mesoscale discussion , which are for tornadoes believed to be at least EF2 on the Enhanced Fujita ...
The Storm Prediction Center (SPC) is a US government agency that is part of the National Centers for Environmental Prediction (NCEP), operating under the control of the National Weather Service (NWS), [1] which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the United States Department of Commerce (DoC).
This image is in the public domain because it was stored on the web servers of the U.S. Storm Prediction Center, which is part of National Weather Service.NWS-created images are automatically public domain in the U.S. since the NWS is a part of the U.S. government.
Although, the temporal resolution of forecast model soundings is greater than the direct measurements, where the former can have plots for intervals of up to every 3 hours, and the latter as having only 2 per day (although when a convective event is expected a special sounding might be taken outside of the normal schedule of 00Z and then 12Z ...
AccuWeather meteorologists say wildfires will likely burn between 5 and 6.5 million acres across the U.S. this year, below the historical average of 7 million and less than last year's total area ...
At the 1630 UTC update on March 2, however, the 15% hatched area was removed due to lingering uncertainty about the timing of the most favorable wind shear for tornadoes versus the convective mode of the ongoing storms.
In a typical year, the driest months for London include the stretch from February to May, when average values for each month often range between 1.3 and 1.5 inches (33 and 38 mm) in the city.
These storms entered an environment of richer moisture, with dewpoints into the low 60s °F northward to near I-40, and modest instability on the order of 500–1,000 J/kg. Despite the presence of a capping inversion , strong forcing along the cold front was expected to erode inhibition, while low-level winds topping 70 knots (80 mph; 130 km/h ...