Alert archive / Illinois / Tornado Warnings in 2006
Tornado Warning 96, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jul 21, 2006, 12:20 PM CDT for Marion County, Illinois. It was in force for 38 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
- Jul 21, 2006, 12:20 PM CDT (17:20 UTC)
- Expired
- Jul 21, 2006, 12:58 PM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
County Marion County, IL
The radar
The Evansville,IN radar (KVWX), 113 km from the middle of the area, began a volume at 17:20 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 |
|---|---|---|---|
| Jul 21, 9:22 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 5.3 hours before the alert went out and 181 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
- 801 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KLSX 211719 TORLSX ILC121-211815- /O.NEW.KLSX.TO.W.0096.060721T1720Z-060721T1815Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1220 PM CDT FRI JUL 21 2006 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN MARION COUNTY IN SOUTH CENTRAL ILLINOIS * UNTIL 115 PM CDT * AT 1216 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 8 MILES WEST OF CENTRALIA...MOVING EAST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE... CENTRALIA... CENTRAL CITY... HELM... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM CDT FRIDAY AFTERNOON FOR SOUTHWESTERN ILLINOIS AND EASTERN MISSOURI. LAT...LON 3859 8915 3848 8915 3848 8871 3858 8871 $$ CVKING
2 follow-up statements
000 WWUS53 KLSX 211742 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1243 PM CDT FRI JUL 21 2006 ILC121-211815- /O.CON.KLSX.TO.W.0096.000000T0000Z-060721T1815Z/ MARION IL- 1243 PM CDT FRI JUL 21 2006 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR SOUTHERN MARION COUNTY... AT 1240 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR KELL...OR ABOUT 7 MILES EAST OF CENTRALIA...MOVING EAST AT 40 MPH. LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE... HELM. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 3859 8915 3848 8915 3848 8871 3858 8871 $$ CVKING
000 WWUS53 KLSX 211758 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1259 PM CDT FRI JUL 21 2006 ILC121-211809- /O.CAN.KLSX.TO.W.0096.000000T0000Z-060721T1815Z/ MARION IL- 1259 PM CDT FRI JUL 21 2006 ...THE TORNADO WARNING FOR SOUTHERN MARION COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY. ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM. LAT...LON 3859 8915 3848 8915 3848 8871 3858 8871 $$ CVKING
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 10:13 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 47 min |
| Jul 21, 10:34 AM CDT | Severe Thunderstorm Warning | LSX | Jersey | 41 min |
| Jul 21, 10:48 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 57 min |
| Jul 21, 10:57 AM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 63 min |
| Jul 21, 11:24 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 66 min |
| Jul 21, 11:35 AM CDT | Tornado Warning | LSX | Madison | 26 min |
| Jul 21, 11:42 AM CDT | Tornado Warning | LSX | Clinton | 63 min |
| Jul 21, 11:59 AM CDT | Tornado Warning | LSX | Washington | 46 min |
Nearby
Tornado Warnings in Illinois, 2006Every tornado warning in 2006Tornadoes in 2006
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.