2 weeks Ago By WIAT Birmingham
Good Sunday evening, everyone. Our latest forecast for the snow potential on Tuesday continues to trend drier and further south. This was a possibility we mentioned all week, being the air may become so cold and so dry, it will suppress any moisture to our south.
With that being said, we are still within the 48-hour window, so changes are still likely. A Winter Storm Watch has been issued for our southern-most counties; Greene, Hale, Bibb, Chilton, and Coosa counties until Wednesday morning at 6 AM. This will likely be upgraded to a Winter Storm Warning sometime this evening or early Monday.
A Winter Weather Advisory may be issued for counties just north of the current watch area. To begin, the Tuesday morning commute will be just cloudy and dry. No snow is expected until the afternoon hours.
Light snow should begin falling near the Demopolis and Moundville areas just a little after lunch on Tuesday. This will then quickly spread northeast, overspreading the southern half of the area by mid-afternoon. Even in areas where the snow is more persistent, it’s a quick-hitting event, seeing no more than a 2-4 hour window of snow.
Once the snow begins falling in your area, roads will quickly become snow-covered and slick. There will not be any melting prior to accumulation like we usually see here. By the early evening, the bulk of the steady snowfall is out of here with a few lingering snow showers south of I-20.
All of the snow should have exited central Alabama by 7-9 PM Tuesday evening. Here, we have highlighted counties that should be prepared for slick travel. The areas in dark blue (Green, Hale, Bibb, Chilton, southern Shelby, southern Talladega, Coosa, and Clay counties) is where travel impacts may be more widespread.
For the counties in lighter blue (Pickens, Tuscaloosa, Jefferson, St. Clair, and Etowah), the impacts should be more minimal and spotty depending on who sees a dusting and who does not. We included these counties out of caution in case the system trends north a bit.
Our first look at potential snowfall amounts is shown above. Perhaps some flurries at best north of the I-20 corridor. South of there, a dusting is possible in spots.
Our confidence is higher the further south you go into our southern-most counties where up to an inch is possible. Amounts increase and impacts worsen the closer you travel toward the southern half of the state. Model guidance is still struggling on exact amounts, but this model seems to match our thinking.
Less than a half-inch is most likely for portions of Greene, Hale, Bibb, Chilton, and Coosa counties with up to an inch in isolated spots. Remember, it only takes a trace of snow to cause problems. This event won’t be nearly as impressive as the previous storm, but the impacts will still be far-reaching in places that receive any accumulation at all.
In these events, it’s important to pay more attention to the impacts and less on forecast snow totals. We will provide another update on the CBS-42 News at 10 tonight and Meteorologist Alex Puckett will have another update early Monday morning. Stay tuned for any changes! Be sure to follow the CBS 42 Storm Team: Follow Us on Facebook : Chief Meteorologist Dave Nussbaum , Meteorologist Michael Haynes , Meteorologist Alex Puckett , and Meteorologist Jacob Woods .
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