Tue-Sat, June 25-July 6th Severe T'storm Threat Update #10

(9:30PM - 6/29/19) Several smaller disturbances moving through the region will bring the chance for severe t'storms to portions of the state through Saturday July 6th.

Tuesday Morning-Night (June 25th) Recap...
Scattered showers and t'storms developed and pushed across portions of Northern Illinois Tuesday afternoon. Some of these t'storms were severe, with wind and hail being the main threats that occurred. Tuesday evening into Tuesday night, a complex of rain and t'storms that developed across Southern Iowa pushed across Western and Central Illinois. Severe t'storms were widespread with this activity across Western Illinois, waning with time across Central Illinois. Wind and hail were the main threats that occurred with this activity.

Wednesday Morning-Night (June 26th) Recap...
Scattered showers and t'storms developed across Western and Southwest Illinois Wednesday afternoon. This activity grew upscale into a large complex, which pushed across portions of Central and much of Southern Illinois from the afternoon into night. Isolated to widely scattered severe t'storms occurred with this activity, with wind and hail being the threats that occurred. Further north, scattered showers and t'storms developed across portions of Northern Illinois late in the afternoon and evening. This activity spread across portions of Northern Illinois into the night. Isolated to widely scattered t'storms occurred with this activity, with wind and hail being the threats that occurred.

Thursday Morning-Thursday Night (June 27th)...
The southern end of a complex of rain and t'storms pushed across portions of Northern Illinois Thursday afternoon and evening. A few isolated t'storms were severe, with wind and hail being the main threats that occurred.

Friday Morning-Friday Night (June 28th) Recap…
A weakening complex of rain and t'storms pushed across portions of Northern Illinois Friday morning. The western end of this complex regenerated, and moved across portions of Central and Southern Illinois during the afternoon and evening. Widely scattered severe t'storms occurred with this activity, producing wind and hail.

Saturday Morning-Saturday Night (June 29th) Recap...
​Scattered t'storms developed and moved across portions of Northern and Central Illinois during the afternoon and evening. Isolated t'storms were severe, producing wind and hail.

Sunday Morning-Sunday Night...
A complex of rain and t'storms will be pushing across Minnesota and Wisconsin Sunday morning. This complex will likely push across much of Northern and Central Illinois Sunday afternoon into night, potentially making it into portions of Southern Illinois Sunday night as well. Development of scattered showers and t'storms will also be likely ahead of this main complex across portions of Northern Illinois during the afternoon. An environment characterized by high instability, high moisture and low shear will be in place across the state. This will help support 

A severe t'storm threat will likely continue into Saturday July 6th for portions of the state. This will be discussed further in upcoming updates as the time approaches.

Below is the updated TAM severe t’storm forecast for Sunday/Sunday Night.​

JP

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