Severe storms, tornadoes likely Sunday and Monday

While severe weather is possible at any given time throughout the year, we've entered what's climatologically the secondary severe weather season where the frequency of severe weather tends to increase and colder, drier air from Canada and the Pacific clashes with relatively warmer, moister Gulf airmasses. Unfortunately, overnight Saturday and early Sunday morning, severe weather spawned tornadoes in central Oklahoma that caused significant damage around Oklahoma City.

Additional severe weather is forecast today and tomorrow across parts of the Southern Plains and South, into the Midwest. A potent, slow-moving upper-level storm system is responsible for the severe weather late last week and on Saturday and is the culprit for the severe weather over the next 36 hours.

This storm system will bring adequate shear and lift, paired with enough instability-or storm energy-to increase the severe and tornado risk for these areas with a greater tornado concern for southern and eastern Oklahoma extending into northern Texas and southeastern Kansas and southwestern Missouri. There's a level 1 [green], level 2 [yellow] and level 3 [orange] severe risk for this region today and tomorrow.

The greatest severe risk this afternoon and evening lies across mainly southern and southeastern Oklahoma, extending into far northern Texas. These areas have the highest probability to see severe wind gusts up to 75 mph and tornadoes.

Sunday's severe risk

Sunday's tornado probability forecast

These same areas will see severe weather late Monday morning into the afternoon and evening hours, but the area of concern expands into all of eastern Oklahoma, southeastern Kansas, southwestern Missouri and western Arkansas. Numerous severe storms, including tornadoes are possible for these areas.

Monday's severe risk

Monday's tornado probability forecast

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