Winter Wx Update – 9:45pm Thursday Night #alwx @wvua23
January 5, 2017 Leave a comment
Good Thursday evening! As of 9:45pm, new forecast model data is coming in and the high resolution data supports the current idea of a wintry mix near and south of I-20 to mostly light snow to the near or to the north of I-20 to a freezing rain to sleet to snow for areas near and south of HWY 80 beginning Friday morning and ending late Friday night. It’s also time to start looking at what is actually happening to our west, and everything supports our current thinking. See the map above for where you live. It is not a 100% guarantee that everyone on the map above gets snow on the ground, but that’s where there is a possibility to experience wintry weather.
A large mass of precip will build along the Gulf Coast tonight and work northward into west and central Alabama by early tomorrow morning. Temperatures will gradually cool several thousand feet above the ground through the day on Friday, changing a wintry mix over to snow for some by Friday afternoon and Friday night. The big question is how far north does the precipitation shield extend and how far south does the deep layer of cold air extend. Most events like this are often too far south with the expected north end of the precipitation. If this event is like some others in the past, we will see wintry precipitation extend well north of I-20 beginning Friday morning and continuing through Friday night. Travel issues are a good possibility, especially during the onset of the wintry precip and into the overnight hours Friday night. If you get wintry weather in your area, it may be midday Saturday before roads improve.
Winter weather events in the deep south are incredibly complicated and often throw some curve balls. Some of you will get more winter weather than expected and some of you will not get any wintry weather. I think the “sweet spot” for the best chance of getting snow on the ground will be along the I-20 corridor and southward to the US HWY 80 corridor. Could accumulating snow occur to the north of I-20 and to the south of HWY 80? Yes. This is an event that will continue to evolve and change as things get started. Keep checking back with updates and we’ll work to provide the best information as possible.
For more updates, go to the weather blog at wvua23.com, scroll to the weather tab and click weather blog. Updates are also on our Facebook and Twitter page. My twitter is @RichardWVUA23 and facebook is WVUA23RichardScott
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WVUA Chief Meteorologist