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Showers and storms are increasing across Alabama during the heat of the day; the NWS office in Huntsville just issued a severe thunderstorm warning for Madison County as I write this.
No doubt scattered showers and storms will be more active through Friday as a surface front stalls out over Tennessee, all of the storms that form will be slow movers, so some spots will see heavy amounts of rain. And, the storms will also have some potential for wet microbursts. These pulse type severe storms are very difficult to warn for, as long time readers know.
Heat levels will back down as showers and storms increase; both the NAM and the GFS hint that we will stay under 90 both tomorrow and Friday.
WEEKEND OUTLOOK: The front to the north will dissipate late Friday, leaving Alabama in a moist, tropical airmass over the weekend, which means the chance of scattered, mainly afternoon showers and storms will continue. And, the GFS shows another surface front approaching from the north Sunday, which might enhance shower and storm formation.
NEXT WEEK: The 12Z GFS still tries to push a little dry air in here Tuesday of next week, but I am not convinced. We will roll with a persistence forecast through most of next week (hot, humid, an afternoon storm in spots) until we get firm evidence of dry air getting in here.
VOODOO LAND: The 12Z GFS also continues the idea of the hottest weather in the nation remaining over the western U.S. through most of July; around here we can expect near average temperatures and rain.
BERTHA: NHC keeps Bertha at category one status through most of the weekend as it recurves east of Bermuda. Then, it weakens into a tropical storm by Monday of next week as cooler water begins to take its toll. Bertha remains no threat to land.
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Look for the next Weather Xtreme video here by 7:00 a.m. tomorrow… J.B. will keep you updated on the thunderstorm situation for the rest of the afternoon…
