Alert archive / Illinois / Tornado Warnings in 2008
Tornado Warning 39, NWS Chicago, IL
NWS Chicago, IL issued this tornado warning at Aug 5, 2008, 6:04 AM CDT for Iroquois County, Kankakee County, Illinois. It was in force for 26 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
- Aug 5, 2008, 6:04 AM CDT (11:04 UTC)
- Expired
- Aug 5, 2008, 6:30 AM CDT
- In force
- 26 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
Counties Iroquois County, IL, Kankakee County, IL
The radar
The Chicago radar (KLOT), 73 km from the middle of the area, began a volume at 11:07 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 |
|---|---|---|---|
| Aug 5, 2:55 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 11.1 hours before the alert went out and 104 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
- 7429 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 819 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 3.9
- Supercell composite
- 20.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KLOT 051104
TORLOT
ILC075-091-051130-
/O.NEW.KLOT.TO.W.0039.080805T1104Z-080805T1130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
604 AM CDT TUE AUG 5 2008
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN IROQUOIS COUNTY IN EAST CENTRAL ILLINOIS...
SOUTHERN KANKAKEE COUNTY IN NORTHEAST ILLINOIS...
* UNTIL 630 AM CDT...
* AT 559 AM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG
ROTATION IN A SEVERE THUNDERSTORM 11 MILES NORTHWEST OF CLIFTON...
MOVING EAST AT 60 MPH.
* THE TORNADO WILL BE NEAR...
CLIFTON...AND CHEBANSE BY 610 AM...
6 MILES SOUTH OF ST. ANNE BY 615 AM...
TAKE COVER NOW IF NO BASEMENT IS AVAILABLE...MOVE TO AN INTERIOR
ROOM ON THE LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE
ABANDONED FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS
LAT...LON 4091 8814 4100 8813 4101 8816 4105 8814
4103 8753 4079 8753
TIME...MOT...LOC 1103Z 283DEG 52KT 4099 8804
$$3 follow-up statements
000 WWUS53 KLOT 051114 SVSLOT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 614 AM CDT TUE AUG 5 2008 ILC091-051124- /O.CAN.KLOT.TO.W.0039.000000T0000Z-080805T1130Z/ KANKAKEE IL- 614 AM CDT TUE AUG 5 2008 ...THE TORNADO WARNING FOR SOUTHERN KANKAKEE COUNTY IS CANCELLED... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM TUESDAY MORNING FOR NORTHEASTERN ILLINOIS. LAT...LON 4092 8789 4101 8789 4101 8754 4079 8753 TIME...MOT...LOC 1114Z 283DEG 52KT 4095 8783 $$ ILC075-051130- /O.CON.KLOT.TO.W.0039.000000T0000Z-080805T1130Z/ IROQUOIS IL- 614 AM CDT TUE AUG 5 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR NORTHEASTERN IROQUOIS COUNTY... AT 612 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 8 MILES WEST OF PAPINEAU...MOVING EAST AT 60 MPH. THE TORNADO WILL BE NEAR... MARTINTON...AND PAPINEAU BY 620 AM... DONOVAN...AND BEAVERVILLE BY 625 AM... IROQUOIS BY 630 AM... LAT...LON 4092 8789 4101 8789 4101 8754 4079 8753 TIME...MOT...LOC 1114Z 283DEG 52KT 4095 8783 $$
000 WWUS53 KLOT 051125 SVSLOT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 625 AM CDT TUE AUG 5 2008 ILC075-051130- /O.CON.KLOT.TO.W.0039.000000T0000Z-080805T1130Z/ IROQUOIS IL- 625 AM CDT TUE AUG 5 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR EAST CENTRAL IROQUOIS COUNTY... AT 620 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR IROQUOIS...MOVING SOUTHEAST AT 47 MPH. LAT...LON 4084 8766 4087 8763 4087 8754 4079 8753 TIME...MOT...LOC 1125Z 293DEG 41KT 4083 8756 $$
000 WWUS53 KLOT 051132 SVSLOT SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 632 AM CDT TUE AUG 5 2008 ILC075-051142- /O.EXP.KLOT.TO.W.0039.000000T0000Z-080805T1130Z/ IROQUOIS IL- 632 AM CDT TUE AUG 5 2008 ...THE TORNADO WARNING FOR EAST CENTRAL IROQUOIS COUNTY EXPIRED AT 630 AM CDT... WHILE THE THUNDERSTORM NO LONGER APPEARS SEVERE...GUSTY WINDS...SMALL HAIL...AND HEAVY RAIN MAY STILL OCCUR ALONG WITH FREQUENT LIGHTNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM TUESDAY MORNING FOR PORTIONS OF NORTHEASTERN ILLINOIS. LAT...LON 4084 8766 4087 8763 4087 8754 4079 8753 TIME...MOT...LOC 1125Z 281DEG 41KT 4081 8755 $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 7:18 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Cook, DuPage, Grundy, Kendall, Lake and 4 more | 72 min |
| Aug 4, 7:22 PM CDT | Tornado Warning | LOT | DeKalb, Kane | 23 min |
| Aug 4, 7:29 PM CDT | Tornado Warning | LOT | Cook, DuPage, Kane | 20 min |
| Aug 4, 7:33 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle, Lee | 57 min |
| Aug 4, 7:45 PM CDT | Tornado Warning | LOT | Cook, DuPage | 30 min |
| Aug 4, 7:47 PM CDT | Areal Flood Advisory | LOT | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more | 4 hr |
| Aug 4, 7:51 PM CDT | Tornado Warning | LOT | Cook, DuPage, Will | 24 min |
| Aug 4, 7:58 PM CDT | Tornado Warning | LOT | Cook | 32 min |
| Aug 4, 8:14 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kankakee, Will | 76 min |
| Aug 4, 8:17 PM CDT | Tornado Warning | LOT | Cook | 28 min |
| Aug 4, 8:22 PM CDT | Tornado Warning | LOT | Kankakee, Will | 30 min |
| Aug 4, 8:26 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle, Will | 39 min |
| Aug 4, 8:28 PM CDT | Special Marine Warning | LOT | 81 min | |
| Aug 4, 8:55 PM CDT | Areal Flood Advisory | LOT | Cook, Grundy, Kendall, Will | 2 hr |
| Aug 4, 9:59 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane, Lake, McHenry | 61 min |
| Aug 4, 10:41 PM CDT | Tornado Warning | LOT | Iroquois | 49 min |
| Aug 4, 11:09 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 4, 11:14 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 61 min |
| Aug 4, 11:50 PM CDT | Flash Flood Warning | LOT | Cook, DuPage | 3 hr |
| Aug 5, 4:10 AM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Lee | 50 min |
| Aug 5, 4:57 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle | 63 min |
| Aug 5, 5:29 AM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee, Livingston | 49 min |
| Aug 5, 5:40 AM CDT | Areal Flood Warning | LOT | Iroquois | 12 hr |
Nearby
Tornado Warnings in Illinois, 2008Every tornado warning in 2008Tornadoes in 2008
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.