Tuesday, August 18, 2015

tornado watch (partial coverage)

A tornado watch has been issued for western areas of the Chicago metro, including DuPage, Kane, Will, McHenry, and Grundy counties. This extends a previous watch that was further west of us, and it is in effect until 10pm.

Severe/tornadic storms are moving out of Iowa into western and central Illinois. These are not hte most impressive storms but they have the potential to continue developing for several hours. The main threat lies to our west, as indicated by the location of the watch area, but certainly the threat cannot be ruled out in the Chicago area. 

Thunderstorms -- severe/tornadic or otherwise -- may well come into the area this afternoon and through the overnight hours. 

As a sidenote, I hope everyone has dried out after the deluge last night. Parts of the northern and southern burbs got little if any rain, but a corridor along the Ike and through the city got blasted with 2-3+ inches of heavy rain with significant street flooding. It was a fairly compact little storm that got somewhat stuck over one area, and that's a really hard situation to deal with -- even NWS was very late in issuing a Flash Flood warning. So I apologize that there wasn't more notice but there is not a lot that can be done in advance of those situations.

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