Alert archive / Illinois / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 195, NWS Lincoln, IL

July 31, 2024Crawford County, Lawrence County, Richland County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 31, 2024, 12:46 PM CDT for Crawford County, Lawrence County, Richland County, Illinois. It was in force for 44 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 31, 2024, 12:46 PM CDT (17:46 UTC)
Expired: Jul 31, 2024, 1:30 PM CDT
In force: 44 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Crawford County, IL, Lawrence County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 62 km from the middle of the area, began a volume at 17:47 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 12:00Z, 5.8 hours before the alert went out and 162 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2615 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.6

Open this sounding in Storm Lab

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 Jul 31, 12:27 PM CDT, 19 minutes earlier.

Area forecast discussion, Jul 31, 12:27 PM CDT, 19 minutes before

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Hazardous weather outlook, Jul 31, 12:15 PM CDT, 31 minutes before

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In the hours before

Local storm report, Jul 31, 10:05 AM CDT, 2 hours 41 minutes before

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Local storm report, Jul 31, 10:11 AM CDT, 2 hours 35 minutes before

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Local storm report, Jul 31, 10:21 AM CDT, 2 hours 25 minutes before

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Local storm report, Jul 31, 10:34 AM CDT, 2 hours 12 minutes before

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Local storm report, Jul 31, 11:35 AM CDT, 1 hour 11 minutes before

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Special weather statement, Jul 31, 12:38 PM CDT, 8 minutes before

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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 31, 6:05 AM CDT	Severe Thunderstorm Warning	ILX	Fulton, Schuyler	55 min
Jul 31, 6:45 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Mason, Menard, Morgan	45 min
Jul 31, 7:04 AM CDT	Special Weather Statement	ILX	Tazewell	41 min
Jul 31, 7:15 AM CDT	Special Weather Statement	ILX	Logan, Menard, Sangamon	45 min
Jul 31, 7:29 AM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard	35 min
Jul 31, 8:03 AM CDT	Special Weather Statement	ILX	DeWitt, Piatt	27 min
Jul 31, 8:17 AM CDT	Special Weather Statement	ILX	Schuyler	28 min
Jul 31, 8:39 AM CDT	Special Weather Statement	ILX	Champaign	36 min
Jul 31, 9:16 AM CDT	Special Weather Statement	ILX	Vermilion	29 min
Jul 31, 9:35 AM CDT	Severe Thunderstorm Warning	ILX	Vermilion	25 min
Jul 31, 9:42 AM CDT	Special Weather Statement	ILX	Morgan, Scott	33 min
Jul 31, 9:44 AM CDT	Severe Thunderstorm Warning	ILX	Edgar, Vermilion	28 min
Jul 31, 11:02 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Moultrie	43 min
Jul 31, 11:47 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Cumberland, Edgar	25 min
Jul 31, 12:38 PM CDT	Special Weather Statement	ILX	Crawford, Lawrence	37 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2024 Every severe thunderstorm warning in 2024

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.