ABC 33/40 Weather Blog
Some very heavy downpours are over the Birmingham area right now. An areal flood advisory for Jefferson County.
The heaviest rainfall extends from the Oxmoor Valley near Ross Bridge to Green Springs and Homewood. There is a little bit of lightning in the Birmingham area, but not much.
Other heavy cells are east of Jasper, in the Chelsea area. Others are west of Centreville/Brent.
Everything is moving east northeast.
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RADAR CHECK: We have scattered to numerous showers and thunderstorms across Alabama this afternoon thanks to an upper trough passing overhead.
The rain is heavy in spots, but there is very little lighting, and most places are rain cooled with temperatures only in the 70s.
TOMORROW: The day should be drier as the trough axis moves west of the state. Afternoon showers should be widely spaced, the sky will be partly sunny, and the high will be in the mid 80s.
TO THE WEST: SPC has the standard “slight risk” of severe weather up from Mississippi to Texas, where severe storms will likely develop ahead of another upper trough. Some of these storms could move into Alabama late tomorrow night, but they should be in a weakening phase when they arrive here.
On Friday we will forecast scattered to numerous showers and storms, with a few strong ones possible, as the trough swings through. It won’t rain all day, however, and the sun could peek out at times.
OUR WEEKEND: The weather trends drier. We will mention scattered, mostly afternoon and evening showers and storms Saturday with a mix of sun and clouds. Chance of any one spot getting wet Saturday is about one in three, and the best chance of a shower or storm will come from about 2:00 p.m. until 8:00 p.m. Then, Sunday looks mostly dry with only widely scattered afternoon showers or thunderstorms. Temperatures will rise into the upper 80s both days.
NEXT WEEK: An upper high will build over the region, meaning hotter afternoon temperatures and fewer showers. There is always some risk of a shower or storm on summer afternoons in Alabama, but they should be few and far between during the first half of the week. Highs will be at or just over 90 degrees.
AT THE BEACH: About 5 to 7 hours of sunshine each day through Sunday with a few scattered showers and storms. Showers should be most numerous on Friday. Highs in the 80s from Panama City over to Gulf Shores, with sea water temperatures mostly in the low to mid 80s. No sign of any tropical issues anytime soon as the Atlantic basin is quiet.
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Showers are forming this afternoon ahead of our approaching upper level trough. The radar looks like it has acquired a case of the measles.
The showers have reached heights of about 25,000 feet so it won’t be long until we see some lightning.
Here is a close up of the radar:
We are using the composite reflectivity product, which shows the amount of precipitation held aloft as well and can show where heavy precipitation is about to fall as well as might be falling.
No severe weather is expected this afternoon but be alert for brief heavy rain and lightning.
We should find ourselves on the back side of the trough tonight leading to sinking air and fewer showers late tonight and tomorrow.