A 4WARN Weather Alert is in effect for Friday night for the possibility of strong to severe thunderstorms. As you know a warm moist spring-like air mass is hanging over Middle Tennessee. A cold front in moving out the plains and mid west and set to arrive here tomorrow evening. That is setting the perfect recipe for strong to severe thunderstorms to develop. More on this in a moment.
Today the high reached 75 in Nashville, not a record, but very warm for late February. Tomorrow a new record will likely be set with a forecast of 80 degrees. The old record is 77.
Another high number tomorrow will be the pollen count in the medium high category.
The front will approach tomorrow evening. The Storm Prediction Center has areas north of I-40 in a “Slight Risk” zone, 2 on a 1-5 scale and the rest of Middle Tennessee in a “Marginal Risk” zone, 1 on a 1-5 scale.
The greatest threat will be from damaging wind, but heavy downpours and some hail is possible. Isolated tornadoes can not be ruled out.
The timing is tomorrow night 6pm to 12mid, moving across the area west to east. Here’s the latest Futurecast depiction.
Cold air spills in for the weekend. Saturday will be a very chilly 49 degrees for the high and it will be dry. Sunday dry during the day with a high of 55 degrees, some showers move Sunday night. Temperatures continue rise Monday into the low 60s. There will be a greater chance of rain.
I’ll have an update coming up tonight on Channel 4 News at 10pm.