Alert archive / Illinois / Tornado Warnings in 2011
Tornado Warning 31, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at May 22, 2011, 7:28 PM CDT for Knox County, Peoria County, Stark County, Illinois. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 22, 2011, 7:28 PM CDT (00:28 UTC)
- Expired
- May 22, 2011, 7:49 PM CDT
- In force
- 21 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
Counties Knox County, IL, Peoria County, IL, Stark County, IL
The radar
The Quad Cities radar (KDVN), 97 km from the middle of the area, began a volume at 00:30 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 22, 12:51 PM CDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.5 hours before the alert went out and 93 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
- 1935 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 935 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 19.9
The text
As transmitted, in the capitals the NWS used until 2016.
777 WFUS53 KILX 230028 TORILX ILC095-143-175-230115- /O.NEW.KILX.TO.W.0031.110523T0028Z-110523T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 728 PM CDT SUN MAY 22 2011 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * TORNADO WARNING FOR... EAST CENTRAL KNOX COUNTY IN WEST CENTRAL ILLINOIS... NORTHWESTERN PEORIA COUNTY IN CENTRAL ILLINOIS... SOUTHERN STARK COUNTY IN NORTH CENTRAL ILLINOIS... * UNTIL 815 PM CDT. * AT 725 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD NEAR WILLIAMSFIELD...OR 18 MILES EAST OF GALESBURG. A TORNADO MAY DEVELOP AT ANY TIME. DOPPLER RADAR SHOWED THIS DANGEROUS STORM MOVING NORTHEAST AT 25 MPH. HAIL UP TO THE SIZE OF PING PONG BALLS IS ALSO POSSIBLE WITH THIS STORM. * LOCATIONS IMPACTED INCLUDE... WILLIAMSFIELD...BRIMFIELD...LAURA...ELMORE...WEST JERSEY... PRINCEVILLE...TOULON...MONICA AND DUNCAN. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 61 AND 73. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT WAS IN EFFECT FOR THE SAME AREA. MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4096 8961 4078 8999 4087 9015 4112 8987 TIME...MOT...LOC 0028Z 231DEG 23KT 4088 9003 $$ GEELHART
2 follow-up statements
566 WWUS53 KILX 230040 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 740 PM CDT SUN MAY 22 2011 ILC095-230049- /O.CAN.KILX.TO.W.0031.000000T0000Z-110523T0115Z/ KNOX IL- 740 PM CDT SUN MAY 22 2011 ...THE TORNADO WARNING FOR EAST CENTRAL KNOX COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVE OUT OF THE WARNED AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM. LAT...LON 4096 8961 4078 8999 4100 8998 4112 8987 TIME...MOT...LOC 0039Z 231DEG 23KT 4092 8996 $$ ILC143-175-230115- /O.CON.KILX.TO.W.0031.000000T0000Z-110523T0115Z/ PEORIA IL-STARK IL- 740 PM CDT SUN MAY 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN STARK AND NORTHWESTERN PEORIA COUNTIES UNTIL 815 PM CDT... AT 734 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR WILLIAMSFIELD...OR 21 MILES EAST OF GALESBURG...MOVING NORTHEAST AT 25 MPH. THIS STORM HAS A HISTORY OF PRODUCING FUNNEL CLOUDS. LOCATIONS IMPACTED INCLUDE... LAURA...ELMORE...WEST JERSEY...PRINCEVILLE...TOULON...MONICA AND DUNCAN. THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 69 AND 73. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. && LAT...LON 4096 8961 4078 8999 4100 8998 4112 8987 TIME...MOT...LOC 0039Z 231DEG 23KT 4092 8996 $$ GEELHART
604 WWUS53 KILX 230049 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 749 PM CDT SUN MAY 22 2011 ILC143-175-230059- /O.CAN.KILX.TO.W.0031.000000T0000Z-110523T0115Z/ PEORIA IL-STARK IL- 749 PM CDT SUN MAY 22 2011 ...THE TORNADO WARNING FOR SOUTHERN STARK AND NORTHWESTERN PEORIA COUNTIES IS CANCELLED... THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM. LAT...LON 4096 8961 4078 8999 4100 8998 4112 8987 TIME...MOT...LOC 0049Z 231DEG 23KT 4096 8989 $$ GEELHART
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 7:03 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria | 26 min |
| May 22, 7:42 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria, Stark | 33 min |
| May 22, 8:44 PM CDT | Special Weather Statement | ILX | Sangamon | 31 min |
| May 22, 9:40 PM CDT | Special Weather Statement | ILX | Macon | 35 min |
| May 23, 12:53 PM CDT | Special Weather Statement | ILX | Christian, Clay, Effingham, Moultrie, Shelby | 82 min |
| May 23, 1:21 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Effingham, Moultrie, Shelby | 54 min |
| May 23, 1:49 PM CDT | Special Weather Statement | ILX | Clay, Jasper, Richland | 41 min |
| May 23, 2:14 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Crawford, Jasper, Lawrence, Richland | 61 min |
| May 23, 2:17 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland, Effingham, Jasper, Shelby | 58 min |
| May 23, 2:42 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford, Edgar | 63 min |
| May 23, 2:51 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 54 min |
| May 23, 3:15 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 30 min |
| May 23, 3:16 PM CDT | Areal Flood Advisory | ILX | Clay, Richland | 3 hr |
Nearby
Tornado Warnings in Illinois, 2011Every tornado warning in 2011Tornadoes in 2011
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.