Alert archive / Illinois / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 171, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 20, 2019, 11:35 AM CDT for Edgar County, Vermilion County, Illinois. It was in force for 40 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
- Aug 20, 2019, 11:35 AM CDT (16:35 UTC)
- Expired
- Aug 20, 2019, 12:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Edgar County, IL, Vermilion County, IL
The radar
The Indianapolis radar (KIND), 127 km from the middle of the area, began a volume at 16:39 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 |
|---|---|---|---|
| Aug 20, 6:18 AM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 4.6 hours before the alert went out and 77 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2352 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1046 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 20, 10:30 AM CDT, 1 hour 5 minutes earlier.
Area forecast discussion, Aug 20, 10:30 AM CDT, 1 hour 5 minutes before
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</html>Hazardous weather outlook, Aug 20, 6:12 AM CDT, 5 hours 23 minutes before
Hazardous Weather Outlook National Weather Service Lincoln IL 612 AM CDT Tue Aug 20 2019 ILZ027>031-036>038-040>057-061>063-066>068-071>073-211115- Cass-Champaign-Christian-Clark-Clay-Coles-Crawford-Cumberland- De Witt-Douglas-Edgar-Effingham-Fulton-Jasper-Knox-Lawrence-Logan- Macon-Marshall-Mason-McLean-Menard-Morgan-Moultrie-Peoria-Piatt- Richland-Sangamon-Schuyler-Scott-Shelby-Stark-Tazewell-Vermilion- Woodford- 612 AM CDT Tue Aug 20 2019 This Hazardous Weather Outlook is for portions of central Illinois, east central Illinois, southeast Illinois and west central Illinois. .DAY ONE...TODAY AND TONIGHT... A cluster of strong to severe thunderstorms will accelerate across central and southeast Illinois this morning through mid afternoon. The primary hazard will be damaging wind gusts in excess of 60 mph. Hail to the size of quarters will be possible. While the threat is low, an isolated tornado cannot be ruled out. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... Storm chances will continue Wednesday and Thursday, especially south of I-74. .SPOTTER INFORMATION STATEMENT... Spotter activation will be needed this morning through 3 pm. Shimon
In the hours before
Local storm report, Aug 20, 10:25 AM CDT, 1 hour 10 minutes before
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</html>Local storm report, Aug 20, 10:42 AM CDT, 53 minutes before
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</html>Local storm report, Aug 20, 10:44 AM CDT, 51 minutes before
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</html>Local storm report, Aug 20, 10:49 AM CDT, 46 minutes before
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</html>Local storm report, Aug 20, 10:53 AM CDT, 42 minutes before
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</html>Local storm report, Aug 20, 11:29 AM CDT, 6 minutes before
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</html>The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 8:20 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria, Schuyler, Stark | 70 min |
| Aug 20, 9:31 AM CDT | Special Weather Statement | ILX | Cass, Logan, McLean, Marshall, Mason, Menard and 3 more | 59 min |
| Aug 20, 10:06 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Macon, Piatt, Sangamon and 1 more | 54 min |
| Aug 20, 10:17 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Morgan, Sangamon | 45 min |
| Aug 20, 10:42 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, Douglas, Macon, Moultrie, Piatt | 18 min |
| Aug 20, 11:05 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, Douglas, Moultrie, Piatt, Vermilion | 55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.