Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >
Overview
A small complex of fast-moving storms developed late in the afternoon on Thursday Feb 8th, 2024. Environmental parameters were supportive of strong storms across north-central Illinois, with a few of them developing rotation as observed by the NWS Lincoln WSR-88D doppler radar. The storms initially produced hail, with sizes ranging from peas to one inch. One storm intensified to the point of producing a tornado in northern Marshall County, around 2 miles south of Henry. The tornado moved at 45 mph to the northeast, crossing into Putnam county around 4:44 PM CST. The tornado damaged some grain bins and outbuildings along with uprooting or snapping several large trees along it's nearly 10 mile path.Tornadoes
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Henry Tornado
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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Radar
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| 4:37 PM - 3 mins before tornado development | 4:40 PM CT - Time of tornado touchdown | 4:42 PM CT - 2 minutes after tornado touchdown | 4:44 PM CT - 4 minutes after touchdown and the time it crossed into Putnam County |
Storm Reports
NWUS53 KILX 090144
LSRILX
Preliminary Local Storm Report...Summary
National Weather Service Lincoln IL
744 PM CST Thu Feb 8 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0440 PM Tornado 2 S Henry 41.08N 89.36W
02/08/2024 EF1 Marshall IL NWS Storm Survey
Tornado developed 2 miles south of Henry and
tracked northeast through rural portions of
northern Marshall and southeast Putnam
Counties, damaging trees and outbuildings.
The tornado dissipated 2 miles south of
McNabb. Path length 9.9 miles, max width 100
yards. Max wind speed estimated 110 mph.
This updates previous LSR.
0541 PM Hail 3 SE South Pekin 40.46N 89.62W
02/08/2024 E0.88 inch Tazewell IL Emergency Mngr
0540 PM Hail Metamora 40.79N 89.36W
02/08/2024 E0.88 inch Woodford IL Emergency Mngr
0530 PM Hail Manito 40.43N 89.78W
02/08/2024 E0.88 inch Mason IL Broadcast Media
Pea to nickel size hail.
0520 PM Hail Bellevue 40.69N 89.68W
02/08/2024 E1.00 inch Peoria IL Public
0517 PM Hail Havana 40.30N 90.06W
02/08/2024 E0.70 inch Mason IL Public
Photo from social media.
0510 PM Hail Mapleton 40.57N 89.73W
02/08/2024 E1.00 inch Peoria IL Broadcast Media
Time estimated from radar.
0453 PM Tstm Wnd Gst Marshall County Airport 41.02N 89.39W
02/08/2024 M63 MPH Marshall IL AWOS
REPORTED AT KC75.
0445 PM Hail Saint David 40.49N 90.05W
02/08/2024 M0.75 inch Fulton IL Public
0442 PM Tornado 2 S Henry 41.08N 89.36W
02/08/2024 Marshall IL Broadcast Media
Brief touchdown in open field.
0442 PM Hail Henry 41.11N 89.36W
02/08/2024 E0.75 inch Marshall IL Trained Spotter
0419 PM Hail 5 SE Camp Grove 41.03N 89.55W
02/08/2024 E0.75 inch Marshall IL Public
Report from mPING: Dime (0.75 in.).
0351 PM Hail Brimfield 40.84N 89.88W
02/08/2024 E0.75 inch Peoria IL Public
Report from mPING: Dime (0.75 in.).
0349 PM Hail Brimfield 40.84N 89.88W
02/08/2024 M0.88 inch Peoria IL Broadcast Media
0342 PM Hail 1 N Galesburg 40.97N 90.36W
02/08/2024 E0.50 inch Knox IL Public
Report from mPING: Half-inch (0.50 in.).
0338 PM Hail Galesburg 40.95N 90.37W
02/08/2024 M0.75 inch Knox IL Broadcast Media
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