Heavy Rain/Strong Storms Through Tomorrow

| December 19, 2017 @ 3:29 pm

BIG SOAKING AHEAD: An upper trough lifting out of the Southwest U.S. will bring lots of rain to Alabama over the next 24 hours. The NWS office in Huntsville has issued a Flash Flood Watch for their counties… up in the Tennessee Valley for the possibility of 2-3 inches of rain…

In addition to the threat of heavy rain, a few strong to severe storms are possible through Central Alabama late tonight into tomorrow morning. SPC maintains a “marginal risk”…

This is the projected sequence of events…

TONIGHT: A band of moderate to heavy rain sets up over the northern third of Alabama. Some thunder is possible, but the severe weather threat will be very low through the night. Flash flooding will be the primary threat.

TOMORROW: Showers and storms will increase south of the big overnight rain mass across Central Alabama during the morning hours. These storms could become strong to severe; the main window for stronger storms will come from 6:00 a.m. until 3:00 p.m. Heavier storms could produce strong gusty winds, and we can’t rule out a brief isolated tornado or two based on the projected shear profile. Winds become unidirectional by afternoon, however. The day will be mild with a high at or just over 70 degrees.

THURSDAY: We project dry, mild weather as Alabama will be in-between waves; with a mix of sun and clouds the high will be pretty close to 70 degrees, about 15 degrees above average for late December.

FRIDAY AND THE WEEKEND: Rain moves back into the state Friday afternoon and Friday night ahead of the Arctic front. This will be the last mild day for a while with a high again close to 70 degrees. A thunderstorm or two is possible Friday night, but for now severe storms are not expected.

Saturday will be wet and cooler. Periods of rain are likely, and temperatures could very well fall from the 50s in the morning into the 40s by mid to late afternoon as winds veer around to the north. Then, by Sunday, the best chance of rain shifts down into South Alabama. Some sun is possible over the northern counties Sunday afternoon with a high in the 40s.

CHRISTMAS DAY: Monday looks mostly sunny but very cold; the high will be close to 40 degrees over the northern half of the state, and some communities could hold in the 30s all day.

REST OF NEXT WEEK: Our weather stays dry and cold through mid-week; then we warm up toward the end of the week, and rain should return by Friday. For now we see no threat of snow or ice issues for Alabama for the next 10 days. See the Weather Xtreme video for maps, graphics, and more details.

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I enjoyed seeing the third graders today at Shades Mountain Elementary in Hoover… be looking for them on the Pepsi KIDCAM today at 5:00 on ABC 33/40 News! The next Weather Xtreme video will be posted here by 7:00 a.m. tomorrow…

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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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