Alert archive / Illinois / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 98, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Jul 20, 2019, 3:55 PM CDT for 7 counties in Illinois. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2019, 3:55 PM CDT (20:55 UTC)
- Expired
- Jul 20, 2019, 5:00 PM CDT
- In force
- 65 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Boone County, IL, DeKalb County, IL, Kane County, IL, Lake County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL
The radar
The Chicago radar (KLOT), 81 km from the middle of the area, began a volume at 20:55 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 20, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 20, 3:21 PM CDT, 34 minutes earlier.
Area forecast discussion, Jul 20, 3:21 PM CDT, 34 minutes before
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Special weather statement, Jul 20, 3:29 PM CDT, 26 minutes before
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</html>Special weather statement, Jul 20, 3:42 PM CDT, 13 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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</html>Local storm report, Jul 20, 3:43 PM CDT, 12 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 1:28 PM CDT | Special Marine Warning | LOT | 92 min | |
| Jul 20, 1:33 PM CDT | Special Marine Warning | LOT | 117 min | |
| Jul 20, 3:29 PM CDT | Special Weather Statement | LOT | Boone, Winnebago | 31 min |
| Jul 20, 3:42 PM CDT | Special Weather Statement | LOT | Lake | 33 min |
| Jul 20, 3:46 PM CDT | Special Marine Warning | LOT | 119 min | |
| Jul 20, 4:05 PM CDT | Special Weather Statement | LOT | DeKalb, Kane, Lee | 40 min |
| Jul 20, 4:21 PM CDT | Special Weather Statement | LOT | Kane | 24 min |
| Jul 20, 4:25 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 50 min |
| Jul 20, 4:35 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane, Lake, McHenry | 40 min |
| Jul 20, 4:49 PM CDT | Special Weather Statement | LOT | DuPage | 26 min |
| Jul 20, 4:52 PM CDT | Areal Flood Advisory | LOT | Cook, Lake | 3 hr |
| Jul 20, 5:08 PM CDT | Special Weather Statement | LOT | Cook | 22 min |
| Jul 20, 5:23 PM CDT | Special Weather Statement | LOT | Kendall, Will | 37 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2019Every severe thunderstorm warning in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.