Alert archive / Illinois / Tornado Warnings in 2011
Tornado Warning 16, NWS Chicago, IL
NWS Chicago, IL issued this tornado warning at Jun 9, 2011, 5:09 PM CDT for Ford County, Iroquois County, Illinois. It was in force for 39 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
- Jun 9, 2011, 5:09 PM CDT (22:09 UTC)
- Expired
- Jun 9, 2011, 5:48 PM CDT
- In force
- 39 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
Counties Ford County, IL, Iroquois County, IL
The radar
The Lincoln radar (KILX), 115 km from the middle of the area, began a volume at 22:11 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, 10.2 hours before the alert went out and 59 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
- 2009 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
492
WFUS53 KLOT 092209
TORLOT
ILC053-075-092300-
/O.NEW.KLOT.TO.W.0016.110609T2209Z-110609T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
509 PM CDT THU JUN 9 2011
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN FORD COUNTY...
SOUTHWESTERN IROQUOIS COUNTY...
* UNTIL 600 PM CDT
* AT 505 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR GIBSON CITY...AND MOVING EAST AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
PAXTON...CLAYTONVILLE...BUCKLEY...CISSNA PARK...MELVIN AND LODA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4042 8835 4056 8836 4063 8775 4048 8775
4048 8793 4040 8793 4039 8793
TIME...MOT...LOC 2210Z 269DEG 23KT 4050 8826
$$
MDB3 follow-up statements
098
WWUS53 KLOT 092223
SVSLOT
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
523 PM CDT THU JUN 9 2011
ILC053-075-092300-
/O.CON.KLOT.TO.W.0016.000000T0000Z-110609T2300Z/
IROQUOIS IL-FORD IL-
523 PM CDT THU JUN 9 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN FORD AND
SOUTHWESTERN IROQUOIS COUNTIES UNTIL 600 PM CDT...
AT 518 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 8 MILES NORTHWEST OF PAXTON...MOVING EAST AT 20
MPH.
THIS DANGEROUS STORM WILL BE NEAR...
PAXTON AROUND 540 PM CDT.
BUCKLEY AROUND 550 PM CDT.
CISSNA PARK AROUND 600 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS TORNADO INCLUDE LODA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4042 8832 4056 8832 4063 8775 4048 8775
4048 8793 4039 8793
TIME...MOT...LOC 2223Z 271DEG 17KT 4051 8820
$$
SHEA175
WWUS53 KLOT 092235
SVSLOT
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
535 PM CDT THU JUN 9 2011
ILC053-075-092300-
/O.CON.KLOT.TO.W.0016.000000T0000Z-110609T2300Z/
IROQUOIS IL-FORD IL-
535 PM CDT THU JUN 9 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN FORD AND
SOUTHWESTERN IROQUOIS COUNTIES UNTIL 600 PM CDT...
AT 533 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR PAXTON...MOVING EAST AT 30 MPH.
THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN FORD AND
SOUTHWESTERN IROQUOIS COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4041 8824 4057 8823 4063 8775 4048 8775
4048 8793 4039 8793
TIME...MOT...LOC 2235Z 288DEG 26KT 4041 8802
$$
MDB794
WWUS53 KLOT 092248
SVSLOT
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
548 PM CDT THU JUN 9 2011
ILC053-075-092258-
/O.CAN.KLOT.TO.W.0016.000000T0000Z-110609T2300Z/
IROQUOIS IL-FORD IL-
548 PM CDT THU JUN 9 2011
...THE TORNADO WARNING FOR SOUTHEASTERN FORD AND SOUTHWESTERN
IROQUOIS COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED...HOWEVER GUSTY
WINDS ARE STILL POSSIBLE ACROSS EXTREME SOUTHEASTERN FORD COUNTY.
LAT...LON 4041 8824 4057 8823 4063 8775 4048 8775
4048 8793 4039 8793
TIME...MOT...LOC 2248Z 288DEG 26KT 4038 8790
$$
MDBThe office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 8:46 PM CDT | Special Weather Statement | LOT | Boone, McHenry | 29 min |
| Jun 8, 9:10 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 65 min |
| Jun 8, 9:12 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Jun 8, 9:27 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 50 min |
| Jun 8, 9:47 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Lee, Ogle, Winnebago | 58 min |
| Jun 8, 9:55 PM CDT | Special Marine Warning | LOT | 95 min | |
| Jun 8, 10:14 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 61 min |
| Jun 8, 10:20 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Kane, McHenry | 55 min |
| Jun 8, 10:30 PM CDT | Areal Flood Advisory | LOT | Boone, Lake, McHenry, Winnebago | 6 hr |
| Jun 8, 10:44 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Lee, Ogle, Winnebago | 61 min |
| Jun 8, 11:01 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Lake | 59 min |
| Jun 8, 11:15 PM CDT | Special Marine Warning | LOT | 60 min | |
| Jun 8, 11:30 PM CDT | Special Marine Warning | LOT | 60 min | |
| Jun 8, 11:43 PM CDT | Severe Thunderstorm Warning | LOT | Kendall | 47 min |
| Jun 8, 11:55 PM CDT | Areal Flood Advisory | LOT | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 7 more | 6 hr |
| Jun 9, 1:44 AM CDT | Special Weather Statement | LOT | McHenry | 46 min |
| Jun 9, 2:02 AM CDT | Special Weather Statement | LOT | Winnebago | 43 min |
| Jun 9, 2:30 AM CDT | Special Weather Statement | LOT | Lee | 30 min |
| Jun 9, 2:33 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kendall, Will | 57 min |
| Jun 9, 2:37 AM CDT | Special Marine Warning | LOT | 83 min | |
| Jun 9, 3:13 AM CDT | Severe Thunderstorm Warning | LOT | Cook | 37 min |
| Jun 9, 3:20 AM CDT | Severe Thunderstorm Warning | LOT | Lee | 55 min |
| Jun 9, 4:04 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle | 56 min |
| Jun 9, 4:05 AM CDT | Small Craft Advisory | LOT | 29 hr | |
| Jun 9, 4:17 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee, Ogle | 45 min |
| Jun 9, 5:33 AM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Grundy, Kane, Kendall and 4 more | 6 hr |
| Jun 9, 6:00 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle, Lee | 60 min |
| Jun 9, 6:40 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage | 5 hr |
| Jun 9, 7:53 AM CDT | Special Weather Statement | LOT | Grundy, Livingston, Will | 37 min |
| Jun 9, 10:28 AM CDT | River Flood Warning | LOT | Cook | 43 hr |
| Jun 9, 10:35 AM CDT | River Flood Warning | LOT | Bureau, LaSalle | 9 days |
| Jun 9, 10:41 AM CDT | River Flood Advisory | LOT | LaSalle | 5 hr |
| Jun 9, 11:11 AM CDT | River Flood Warning | LOT | Will | 34 hr |
| Jun 9, 11:11 AM CDT | River Flood Warning | LOT | Will | 43 hr |
| Jun 9, 11:26 AM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Grundy, Kane, Kankakee and 5 more | 6 hr |
| Jun 9, 2:14 PM CDT | River Flood Advisory | LOT | Cook | 32 hr |
| Jun 9, 2:59 PM CDT | River Flood Advisory | LOT | DeKalb | 18 hr |
| Jun 9, 3:08 PM CDT | River Flood Warning | LOT | LaSalle | 42 hr |
| Jun 9, 3:18 PM CDT | River Flood Advisory | LOT | Kane, Kendall | 42 hr |
| Jun 9, 3:18 PM CDT | River Flood Advisory | LOT | Kankakee | 7 hr |
| Jun 9, 3:18 PM CDT | River Flood Advisory | LOT | Cook | 31 hr |
| Jun 9, 3:24 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 7 more | 17 hr |
| Jun 9, 3:54 PM CDT | River Flood Warning | LOT | Grundy | 43 hr |
| Jun 9, 3:54 PM CDT | River Flood Warning | LOT | LaSalle | 61 hr |
| Jun 9, 5:00 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 60 min |
| Jun 9, 5:52 PM CDT | Areal Flood Warning | LOT | Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and 2 more | 24 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.