Showers/Storms Increase By Wednesday
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RADAR CHECK: As expected, we have a handful of widely scattered showers and storms across the great state of Alabama this afternoon. Most of them are west and south of Birmingham, and they will fade away after the sun goes down later this evening. It is a very warm, muggy afternoon with temperatures in the 80s and dewpoints in the 60s.
TOMORROW: Not much change; warm and humid weather continues with a high between 87 and 90, and a few spots could see a brief afternoon shower or storm in widely scattered places. The high resolution NAM model hints some thunderstorms could move into Alabama late tomorrow night ahead of a large upper trough, now over the western half of the nation.
WEDNESDAY/THURSDAY: Showers and storms become likely statewide Wednesday. SPC has parts of North and West Alabama in the standard “slight risk” of severe weather for Wednesday and Wednesday night…
Looks like a summer setup with high CAPE values (the new model runs show surface based CAPE values exceeding 2,000 j/kg Wednesday afternoon), but with little shear and relatively weak wind fields (low level jet under 30 knots). So, strong storms are certainly possible Wednesday, but if they become severe it looks like hail and gusty winds will be the primary threat. Rain amounts of 1/2 to one inch are likely.
Thursday will be much cooler with rain ending from west to east during the morning. The latest model data hints clouds could hang around all day with temperatures not getting out of the 60s.
FRIDAY AND THE WEEKEND: These three days look generally dry and very pleasant for mid-May, with below average temperatures and low humidity levels. A large upper trough will cover the eastern third of the nation; with short waves rotating though the bottom of the trough, we can’t rule out a shower, or a little light rain somewhere over North Alabama Friday or Saturday, but with low dewpoints the chance of really significant rain for now looks small. Expect partly to mostly sunny days with highs in the 70s.
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Category: Alabama's Weather
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