Alert archive / Illinois / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 255, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Sep 26, 2023, 11:45 PM CDT for Christian County, Shelby County, Illinois. It was in force for 30 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
- Sep 26, 2023, 11:45 PM CDT (04:45 UTC)
- Expired
- Sep 27, 2023, 12:15 AM CDT
- In force
- 30 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Christian County, IL, Shelby County, IL
The radar
The Lincoln radar (KILX), 80 km from the middle of the area, began a volume at 04:47 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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.8 hours before the alert went out and 85 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
- 353 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1610 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
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 Sep 26, 6:25 PM CDT, 5 hours 20 minutes earlier.
Area forecast discussion, Sep 26, 6:25 PM CDT, 5 hours 20 minutes before
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Hazardous Weather Outlook National Weather Service Lincoln IL 308 PM CDT Tue Sep 26 2023 ILZ027>031-036>038-041>046-271100- Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Mason- Logan-De Witt-Piatt-Champaign-Vermilion- 308 PM CDT Tue Sep 26 2023 This Hazardous Weather Outlook is for central Illinois, east central Illinois and west central Illinois, mainly north of a Canton to Danville line. .DAY ONE...Tonight. Scattered thunderstorms will continue through this evening. A few of the storms will be strong to locally severe. Hail to around 1 inch in diameter is the main threat, though there is also an isolated tornado threat along and northeast of I-74. Locally heavy rainfall will also occur. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Scattered thunderstorms are also expected Wednesday, though severe weather is not likely. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required through about 9 pm. Expected storm motion will be toward the northeast around 20 mph. ILZ040-047>051-271100- Schuyler-Cass-Menard-Scott-Morgan-Sangamon- 308 PM CDT Tue Sep 26 2023 This Hazardous Weather Outlook is for west central Illinois. .DAY ONE...Tonight. Scattered thunderstorms will continue through this evening. While some of the storms may contain gusty winds and small hail, it appears any severe weather threat should be further north and east. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Scattered thunderstorms are also expected Wednesday, though severe weather is not likely. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. ILZ052>057-061>063-066>068-071>073-271100- Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-Cumberland-Clark- Effingham-Jasper-Crawford-Clay-Richland-Lawrence- 308 PM CDT Tue Sep 26 2023 This Hazardous Weather Outlook is for east central Illinois and southeast Illinois. .DAY ONE...Tonight. Scattered thunderstorms will continue into this evening. A few of the storms will be strong to locally severe. Hail to around 1 inch in diameter is the main threat. Locally heavy rainfall will also occur. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Scattered thunderstorms are also expected Wednesday, lingering through the night south of I-70. The severe weather threat looks like it will be further south. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required through about 9 pm. Expected storm motion will be toward the northeast around 20 mph. Geelhart
In the hours before
Special weather statement, Sep 26, 6:40 PM CDT, 5 hours 5 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 |
|---|---|---|---|---|
| Sep 26, 7:05 PM CDT | Special Weather Statement | ILX | Knox, Stark | 25 min |
| Sep 26, 7:12 PM CDT | Special Weather Statement | ILX | Christian | 18 min |
| Sep 26, 8:11 PM CDT | Special Weather Statement | ILX | Sangamon | 19 min |
| Sep 26, 8:29 PM CDT | Special Weather Statement | ILX | Sangamon | 16 min |
| Sep 26, 9:02 PM CDT | Special Weather Statement | ILX | Christian | 13 min |
| Sep 26, 9:03 PM CDT | Special Weather Statement | ILX | Morgan | 27 min |
| Sep 26, 9:23 PM CDT | Special Weather Statement | ILX | Sangamon | 22 min |
| Sep 26, 9:42 PM CDT | Special Weather Statement | ILX | Sangamon | 18 min |
| Sep 26, 10:35 PM CDT | Special Weather Statement | ILX | Tazewell | 25 min |
| Sep 26, 10:49 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 41 min |
| Sep 27, 12:13 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 15 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2023Every severe thunderstorm warning in 2023
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.