by Steve Dunford
The Storm Prediction Center has upgraded all of Southern Illinois to a moderate risk (level 4) for severe weather tomorrow.
The wind advisory for area lakes is still in effect today. Models are showing that we will be under the gun here in Franklin County from about 5:00 tomorrow until about 2:00 A.M. on Sunday morning.
Highs will reach into the upper 80’s tomorrow with a lot of humidity. Ahead of a couple waves of storms that is projected to come through between 10:00 p.m. and midnight, and pop up storm that would form can quickly become severe. The SPC said these storms could be explosive.
This is what has my concern, and prompted the moderate risk. You can see in the graphic that most of Missouri and Southern Illinois is n the 45% range with hash marks.
This means there is a 45% chance within a 25 mile area that severe weather could occur. The definition of severe weather is straight line winds over 58mph, one inch hail, and tornadoes.
Dr Greg Forbes has his TORCON value unchanged at three. KFVS has the probability of tornadoes in their coverage area at 4 on a scale to 10. For large hail and damaging winds it is a 6.
The Lake Wind advisory is still in effect. Memorial day weekend is a time for outdoor activities. Below is some outdoor safety tips in severe weather. I posted them yesterday.
I will do my best to keep you informed of this upcoming weather event.
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