More Severe Storms Possible Thursday; Still Dry Tomorrow

SPECTACULAR SPRING AFTERNOON: The sky is partly to mostly sunny across the great state of Alabama this afternoon with temperatures in the 70s. Tonight will be fair and cool with a low between 48 and 54. Tomorrow will be another dry day, but clouds will begin to increase slowly by afternoon ahead of the next spring storm system approaching from the west.

SEVERE STORM POTENTIAL THURSDAY: This will be another “two rounder” for Alabama. An organized mass of rain and storms will move through the northern half of the state very early Thursday morning. These, most likely, will be elevated and not surface based. But, they could still pack a punch with potential for hail and strong winds. The main window for the morning storms (“round one”) will come from 2:00 until 8:00 a.m.

Then, “round two” begins by mid to late afternoon as new storms develop, especially south and east of Birmingham, where SPC has defined an “enhanced risk” (level 3/5) of severe thunderstorms. There is a “slight risk” (level 2/5) as far north as Vernon, Guntersville, and Fort Payne, and a “marginal risk” (level 1/5) up to the Tennessee state line.

Most of the “round two” storms will come from 2:00 until 10:00 p.m. The highest tornado probabilities will be over the southern half of the state, where the air will be most unstable. A strong tornado (EF2 or higher) is possible across the southeast part of Alabama. But, severe storms will be possible as far north as I-20 Thursday afternoon. In addition to the threat of tornadoes, storms will be capable of producing large hail and damaging winds. Don’t forget to pay attention to any severe thunderstorm warnings that are needed Thursday.

It will be another day to be sure you are able to receive warnings. The baseline is a NOAA Weather Radio; every Alabama home and business needs one. They work independently of the cellular networks and are very reliable.

FRIDAY AND THE WEEKEND: The day Friday will be dry and mild with a high between 77 and 80 degrees. Then, another fast moving system will bring rain and storms to Alabama late Friday night into Saturday morning, generally in the period from midnight to noon. It remains to be seen if the atmosphere will support strong to severe storms during this window, but it certainly is possible. Drier air moves in Saturday afternoon, and for the first time in three weeks we won’t have to deal with severe thunderstorms Sunday; the day looks great with ample sunshine along with a high around 70 degrees.

NEXT WEEK: Monday and Tuesday will be dry with a high in the 70s; some risk of rain and storms will return by late Wednesday or Thursday. See the Weather Xtreme video for maps, graphics, and more details.

ON THIS DATE IN 1967: Severe thunderstorms spawned 48 tornadoes in the Upper Midwest. Hardest hit was northern Illinois where sixteen tornadoes touched down during the afternoon and evening hours causing fifty million dollars damage. On that Friday afternoon, tornadoes struck Belvidere IL and the Chicago suburb of Oak Lawn, killing 58 persons.

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