Mon-Wed, May 27-29th Severe weather Threat Update #7

(11:45AM - 5/29/19) Another storm system pushing across the region is bringing another multi-day period of severe weather potential to portions of the state Monday through Wednesday.

Monday recap...
On Monday, areas of showers and t'storms moved across portions of Northern and Central Illinois during the morning into early afternoon. In the wake of this activity, scattered shower and t'storm development occurred, with a numerous storms being severe, across much of Northern and portions of Central Illinois. All modes of severe weather occurred, including some tornadoes.

Tuesday recap...
​On Tuesday, areas of showers and t'storms moved across portions of Northern and Central Illinois during the morning into early afternoon. In the wake of this activity, scattered shower and t'storm development occurred across Central Illinois, with widely scattered to scattered t'storms having been severe. Wind and hail were the main threats seen with this activity. Additionally, large complexes of rain and t'storms push across much of Northern and Central Illinois Tuesday evening through Tuesday night. Widely scattered severe t'storms occurred with this activity, with wind and hail being the main threats that were seen.

This morning through tonight...
Areas of scattered shower and t'storms have been ongoing this morning across portions of Central and Southern Illinois...though this activity has now exited the state to the east. Development of additional scattered showers and t'storms will be likely in the vicinity and south of a front across, Central and Southern Illinois during the afternoon and evening. An environment in place featuring moderate instability, good moisture and good shear will be in place. This environment will help support up to a widely scattered severe t’storm threat across portions of Central and Southern Illinois during the afternoon and evening. Wind and hail will be the main threats with this activity, though an isolated tornado cannot be ruled out. Additional periods of showers and t’storms from activity occurring across states to the southwest will also push across much of the state this evening into night. An environment in place featuring moderate instability, good moisture and good shear will be in place. This environment will help support up to a scattered severe t’storm threat across Central and Southern Illinois this evening into tonight, with an isolated severe t'storm threat across Northern Illinois. Wind and hail will be the main threats, though an isolated tornado cannot be ruled out.

Below is the updated TAM severe weather forecast for the last day of this multi-day event.

JP

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