Strong Storms Move Into Alabama Late Tonight

| April 26, 2017 @ 6:36 am

WARM, DRY DAY AHEAD: We expect a good supply of sunshine across Alabama today with a high up in the mid 80s this afternoon. But, to the west, severe thunderstorms will form, and SPC has defined a “moderate risk” of severe storms for parts of North Louisiana and South Arkansas. Those storms will enter far West Alabama around midnight tonight, and we have a “marginal risk” defined for the western counties of our state in the Day One outlook that runs through 7:00 a.m. tomorrow…

In the SPC “Day 2” outlook for tomorrow that begins at 7:00 a.m… there is a “marginal risk” defined for roughly the eastern half of the state…

The primary limiting factor for severe weather in Alabama will be the lack of instability, and the fact that the main upper support will be passing to the north of the state. But, there will be a significant amount of shear, and strong to severe storms are possible.

TIMING: The window for strong to severe storms will come from 12 midnight tonight through 9:00 a.m. tomorrow. The line enters far West Alabama around midnight, and it pushes out of the state by mid-morning tomorrow. The should be in the Birmingham metro sometime between 3 and 6 a.m.

THREATS: Heavier storms could produce small hail and strong straight line winds. An isolated small tornado can’t be ruled out.

RAIN: Rain amounts of around 1/2 inch are likely; no flooding issues.

The sky becomes partly to mostly sunny tomorrow afternoon as drier air returns; the high will be between 77 and 80 degrees.

FRIDAY/SATURDAY: These days will be almost summer-like with afternoon highs between 87 and 90 degrees. The sky will be partly sunny, and we will mention only isolated afternoon and evening thunderstorms. Most communities will be dry.

To the west, a significant severe weather event will unfold on these two days.

STORMY SUNDAY: The storm system to the west will push strong to severe thunderstorms into Alabama at some point Sunday. For now it looks like the main event will come sometime Sunday between 12 noon and 12 midnight. It is simply too early to know the magnitude of the threat, or the modes of severe weather to expect. Once we get the storms out of here tomorrow morning, we will get focused on the Sunday event.

It does look like beneficial rain will fall Sunday with amounts at least in the 1-2 inch range.

NEXT WEEK: Monday and Tuesday look dry and pleasant with highs in the 70s and lows in the 50s; colder pockets should be in the 40s early Tuesday morning. Next chance of showers and storms will come later in the week, most likely on Thursday. See the Weather Xtreme video for maps, graphics, and more details.

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James Spann is one of the most recognized and trusted television meteorologists in the industry. He holds the AMS CCM designation and television seals from the AMS and NWA. He is a past winner of the Broadcast Meteorologist of the Year from both professional organizations.

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