Alert archive / Illinois / Tornado Warnings in 2009
Tornado Warning 34, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jun 8, 2009, 5:58 PM CDT for Clinton County, Saint Clair County, Washington County, Illinois. It was in force for 47 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 8, 2009, 5:58 PM CDT (22:58 UTC)
- Expired
- Jun 8, 2009, 6:45 PM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Clinton County, IL, Saint Clair County, IL, Washington County, IL
The radar
The St Louis radar (KLSX), 103 km from the middle of the area, began a volume at 22:58 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 8, 5:58 PM CDT | TSTM WND DMG | Venedy, IL | TREE DOWN NORTH OF VENEDY ON HIGHWAY 12 |
| Jun 8, 6:04 PM CDT | FUNNEL CLOUD | 4 W Okawville, IL | SPOTTER REPORTS A RAIN WRAPPED FUNNEL CLOUD |
| Jun 8, 6:23 PM CDT | HAIL 0.25 | Bartelso, IL | LITTLE BIT BIGGER THAN PEA SIZE HAIL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 8, 4:33 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 210 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
- 972 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KLSX 082258
TORLSX
ILC027-163-189-082345-
/O.NEW.KLSX.TO.W.0034.090608T2258Z-090608T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
558 PM CDT MON JUN 8 2009
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...
SOUTHEASTERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS...
WESTERN WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS...
* UNTIL 645 PM CDT
* AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 5 MILES SOUTH OF MASCOUTAH...AND MOVING SOUTHEAST
AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
ALBERS...NEW MEMPHIS...GERMANTOWN...OKAWVILLE...LIVELY GROVE...
FAYETTEVILLE...DAMIANSVILLE...ST. LIBORY...VENEDY...JOHANNISBURG...
BARTELSO...STONE CHURCH...FROGTOWN...COVINGTON...ADDIEVILLE...
ELKTON...NEW MINDEN AND OAKDALE.
HAIL UP TO GOLFBALL SIZE IS ALSO POSSIBLE WITH THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
&&
LAT...LON 3850 8927 3822 8952 3822 8971 3842 8985
3861 8972
TIME...MOT...LOC 2258Z 312DEG 18KT 3843 8976
$$
BRITT3 follow-up statements
000
WWUS53 KLSX 082312
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
612 PM CDT MON JUN 8 2009
ILC027-163-189-082345-
/O.CON.KLSX.TO.W.0034.000000T0000Z-090608T2345Z/
WASHINGTON IL-ST. CLAIR IL-CLINTON IL-
612 PM CDT MON JUN 8 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHWESTERN CLINTON...SOUTHEASTERN ST. CLAIR AND WESTERN WASHINGTON
COUNTIES...
AT 607 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ST. LIBORY...OR 10
MILES SOUTHEAST OF MASCOUTAH...MOVING SOUTHEAST AT 25 MPH. A FUNNEL
CLOUD WAS REPORTED 4 MILES WEST OF OKAWVILLE AT 604 PM.
LOCATIONS IMPACTED INCLUDE...
OKAWVILLE...LIVELY GROVE...VENEDY...JOHANNISBURG...STONE CHURCH...
FROGTOWN...COVINGTON...ADDIEVILLE...ELKTON...NEW MINDEN...OAKDALE
AND CORDES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS EXPECTED TO PRODUCE
GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS WELL AWAY
FROM THE STORM CENTER.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
&&
LAT...LON 3838 8979 3854 8964 3850 8927 3822 8952
3822 8971
TIME...MOT...LOC 2311Z 309DEG 20KT 3838 8968
$$
BRITT000
WWUS53 KLSX 082325
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
625 PM CDT MON JUN 8 2009
ILC027-163-082332-
/O.CAN.KLSX.TO.W.0034.000000T0000Z-090608T2345Z/
ST. CLAIR IL-CLINTON IL-
625 PM CDT MON JUN 8 2009
...THE TORNADO WARNING FOR SOUTHWESTERN CLINTON AND SOUTHEASTERN ST.
CLAIR COUNTIES IS CANCELLED...
THE STRONG ROTATION ON RADAR HAS MOVED OUT OF THESE COUNTIES...SO
THE TORNADO WARNING IS CANCELLED.
LAT...LON 3822 8952 3822 8971 3837 8971 3844 8966
3844 8964 3847 8961 3848 8952 3846 8948
3848 8946 3850 8927
TIME...MOT...LOC 2322Z 309DEG 20KT 3834 8962
$$
ILC189-082345-
/O.CON.KLSX.TO.W.0034.000000T0000Z-090608T2345Z/
WASHINGTON IL-
625 PM CDT MON JUN 8 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR WESTERN
WASHINGTON COUNTY...
AT 620 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES
THAT THE ROTATION IN THE SEVERE THUNDERSTORM HAS AGAIN STRENGTHENED.
THIS STRONG ROTATION WAS LOCATED NEAR STONE CHURCH...OR 13 MILES
SOUTH OF NEW BADEN...MOVING SOUTHEAST AT 25 MPH.
LOCATIONS IMPACTED INCLUDE...
LIVELY GROVE...FROGTOWN...COVINGTON...ADDIEVILLE...ELKTON...NEW
MINDEN...OAKDALE AND CORDES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES
OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF
NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
IN ADDITION TO THE TORNADO...THIS STORM IS EXPECTED TO PRODUCE
GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS WELL AWAY
FROM THE STORM CENTER.
TO REPORT SEVERE WEATHER...CALL THE NEAREST LAW ENFORCEMENT AGENCY
AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN ST LOUIS.
&&
LAT...LON 3822 8952 3822 8971 3837 8971 3844 8966
3844 8964 3847 8961 3848 8952 3846 8948
3848 8946 3850 8927
TIME...MOT...LOC 2322Z 309DEG 20KT 3834 8962
$$
BRITT000
WWUS53 KLSX 082345
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
645 PM CDT MON JUN 8 2009
ILC189-082356-
/O.EXP.KLSX.TO.W.0034.000000T0000Z-090608T2345Z/
WASHINGTON IL-
645 PM CDT MON JUN 8 2009
...THE TORNADO WARNING FOR WESTERN WASHINGTON COUNTY HAS EXPIRED...
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.
LAT...LON 3822 8952 3822 8971 3837 8971 3844 8966
3844 8964 3847 8961 3848 8952 3846 8948
3848 8946 3850 8927
TIME...MOT...LOC 2325Z 309DEG 20KT 3833 8961
$$
BRITTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 7:41 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 26 min |
| Jun 8, 7:54 AM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Montgomery | 35 min |
| Jun 8, 8:24 AM CDT | Severe Thunderstorm Warning | LSX | Randolph | 38 min |
| Jun 8, 8:44 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 46 min |
| Jun 8, 4:03 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 42 min |
| Jun 8, 4:41 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 49 min |
| Jun 8, 5:06 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair | 24 min |
| Jun 8, 5:20 PM CDT | Tornado Warning | LSX | Saint Clair | 25 min |
| Jun 8, 5:21 PM CDT | Areal Flood Advisory | LSX | Madison | 5 hr |
| Jun 8, 5:35 PM CDT | Tornado Warning | LSX | Saint Clair | 40 min |
| Jun 8, 5:46 PM CDT | Areal Flood Advisory | LSX | Clinton, Saint Clair, Washington | 4 hr |
| Jun 8, 6:36 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 39 min |
| Jun 8, 6:44 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 31 min |
| Jun 8, 6:46 PM CDT | Flash Flood Warning | LSX | Clinton, Saint Clair, Washington | 6 hr |
Nearby
Tornado Warnings in Illinois, 2009Every tornado warning in 2009Tornadoes in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.