(9:30AM - 5/22/19) A main storm system pushing across the region will bring the chance for severe t’storms to portions of the state through Thursday.
On Tuesday, a round of rain and isolated t’storms pushed across portions of the state during the morning. A second round of rain and t’storms pushed across much of the state during the afternoon into night. Scattered severe t’storms occurred across portions of Central and Southern Illinois. Wind and hail were the common occurrence, but a few isolated tornadoes also occurred.
This afternoon into tonight...
A front is expected to push southeastward across the state this afternoon into tonight. Development of scattered showers and t’storms is likely in the vicinity of this front during the afternoon, across portions of Oklahoma, Kansas and Missouri...potentially up into Iowa and Western Illinois as well. This activity will then push northeastward across a good portion of the state, this evening through tonight. An environment in place featuring low to moderate instability, good moisture and average to good shear will be in place. This environment will help support an isolated strong to severe t’storm threat across a good portion of the state, with a better chance of widely scattered severe t’storms across Western Illinois. Wind and hail will be the main threats, though an isolated tornado cannot be ruled out.
Thursday afternoon into night...
An isolated shower or t’storm may be ongoing across portions of Central and Southern Illinois Thursday morning...left over remnants of activity from Wednesday night. The aforementioned front pushing through on Wednesday will stall across Southern Illinois on Thursday, and eventually begin to lift back north was a warm front. Isolated to scattered showers and t’storms will develop in the vicinity of this front across portions of Central and Southern Illinois during the afternoon and evening, then continuing into Thursday night. An environment in place featuring low to moderate instability, good moisture and average shear will be in place. This environment will help support an isolated strong to severe t’storm threat across a good portion of the state. Wind and hail will be the main threats.
Below are the updated TAM severe weather forecast for each upcoming day of this multi-day event.
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