Alert archive / Illinois / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 138, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 20, 2025, 7:20 PM 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
- May 20, 2025, 7:20 PM CDT (00:20 UTC)
- Expired
- May 20, 2025, 8:00 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 00:24 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 |
|---|---|---|---|
| May 20, 1:42 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.3 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
- 23 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1347 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 May 20, 6:13 PM CDT, 1 hour 7 minutes earlier.
Area forecast discussion, May 20, 6:13 PM CDT, 1 hour 7 minutes before
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</html>Hazardous weather outlook, May 20, 2:53 PM CDT, 4 hours 27 minutes before
Hazardous Weather Outlook National Weather Service Lincoln IL 253 PM CDT Tue May 20 2025 ILZ027>031-036>038-040>057-061>063-066>068-071>073-212000- Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler- Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott- Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby- Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence- 253 PM CDT Tue May 20 2025 This Hazardous Weather Outlook is for central Illinois, east central Illinois, southeast Illinois and west central Illinois. .DAY ONE...Tonight. Scattered thunderstorms will progress west to east across the area this evening, posing a threat of tornadoes, large hail, damaging winds, and locally heavy rainfall. Storms should exit eastern Illinois by 8 PM this evening, after which point the rest of the night should be free of hazardous weather. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed this afternoon through 8 PM. Expected storm motion is toward the northeast around 40 mph. Erwin
In the hours before
Local storm report, May 20, 5:27 PM CDT, 1 hour 53 minutes before
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</html>Local storm report, May 20, 5:28 PM CDT, 1 hour 52 minutes before
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</html>Local storm report, May 20, 5:40 PM CDT, 1 hour 40 minutes before
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</html>Local storm report, May 20, 6:16 PM CDT, 1 hour 4 minutes before
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</html>Local storm report, May 20, 6:21 PM CDT, 59 minutes before
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</html>Local storm report, May 20, 6:22 PM CDT, 58 minutes before
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</html>Nearby
Severe Thunderstorm Warnings in Illinois, 2025Every severe thunderstorm warning in 2025
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.