A First Alert Weather Day is in effect Sunday for heat index values in the triple digits, as well as a significant threat for large hail, tornadoes and destructive winds Sunday night.
Environmental factors are extremely favorable for storm development. There is a sufficient amount of moisture, instability and warmth ahead of a potent front. The cold front will tap into an abundance of convective available potential energy, CAPE, which will ignite numerous severe storms.
The Storm Prediction Center highlighted aModerate Risk, level 4 out of 5, indicating the confidence is high for widespread severe weather Sunday night. There is a significant risk for wind and hail.
A significant wind threat means that winds 70 mph or stronger will be a possibility. To put this into perspective, these straight-line winds could get up to category 1 hurricane strength…