Severe Thunderstorm Warning for Lake, IL; McHenry, IL
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Observed
What is happening
At 404 AM CDT, a severe thunderstorm was located over Bull Valley, or near Crystal Lake, moving southeast at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Palatine, Crystal Lake, Algonquin, Lake in...
What the bulletin says to do
For your protection move to an interior room on the lowest floor of a building.
Full official description
Bulletin details
At 404 AM CDT, a severe thunderstorm was located over Bull Valley, or near Crystal Lake, moving southeast at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Palatine, Crystal Lake, Algonquin, Lake in the Hills, McHenry, Woodstock, Huntley, Lake Zurich, Wauconda, Barrington, Island Lake, Marengo, Cary, Hawthorn Woods, Hampshire, Johnsburg, Lakemoor, Lake Barrington, Fox River Grove, Barrington Hills, Wonder Lake, Kildeer, Lakewood, Oakwood Hills, and Prairie Grove.
Lifecycle record
Official revisions
- Update
Severe Thunderstorm Warning issued August 11 at 4:05AM CDT until August 11 at 4:45AM CDT by NWS Chicago IL
Official revision - Alert
Severe Thunderstorm Warning issued August 11 at 3:49AM CDT until August 11 at 4:45AM CDT by NWS Chicago IL
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
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- Last collected