Thunderstorm Update

4:00pm UPDATE:  Showers and thunderstorms have diminished in coverage locally, with severe weather affecting suburban Chicago.  It appears that the threat for any strong thunderstorms has moved out of the Stateline area.

4PM ExacTrack Radar

4PM ExacTrack Radar

(2:24 PM) nwsbot: Local Storm Report by NWS MKX: Como [Walworth Co, WI] trained spotter reports HEAVY RAIN of M1.02 INCH at 02:15 PM CDT — 1.02 inches of rain in 1/2 hour ending at 215 pm.

(1:57 PM) nwsbot: Local Storm Report by NWS LOT: N Capron [Boone Co, IL] public reports HAIL of penny size (M0.75 INCH) at 01:37 PM CDT — relayed via media.

(1:56 PM) nwsbot: Local Storm Report by NWS LOT: Harvard [Mchenry Co, IL] public reports HAIL of penny size (M0.75 INCH) at 01:35 PM CDT — relayed via media.

(1:54 PM) nwsbot: Local Storm Report by NWS LOT: N Capron [Boone Co, IL] cocorahs reports TSTM WND GST of E50 MPH at 01:40 PM CDT — winds estimated around 50 mph and heavy rain.

1:45pm UPDATE: Severe Thunderstorm Warning for Walworth County in Wisconsin until 2:30pm. Moderate-to-large hail (up to half-dollar size) is the main concern, with heavy rain and gusty wind likely as well.

ORIGINAL POST: Saturday morning’s extensive cloud cover, which limited the heating and energy from the sun—one of the components for stronger thunderstorms—has helped to lower our already small severe weather threat.

Minimal-to-Low Severe Risk

Minimal-to-Low Severe Risk

With the cold front pushing its way across the Mississippi River accompanied by light showers, the best chance for strong-to-severe weather appears to be focused east of Interstate 39.  This is great news, considering this system produced tornadoes in Iowa on Friday.  I’ve lowered our Threatrack to Level 1 west of I-39 and kept it at Level 2 east of I-39, where a few storms from central Illinois could brush our eastern coverage area.

1:30pm ExacTrack Radar

1:30pm ExacTrack Radar

Until the cold front passes, pop-up showers and thunderstorms will contain heavy downpours with potentially small hail.  An isolated stronger storm may also contain gusty wind.  By dinnertime, the front should be east of our area.  Keep it tuned to the weather blog for more updates as necessary.

 

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Posted under Exactrack|HD, severe weather, Threatrack, weather

This post was written by qni_it on October 5, 2013

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