Alert archive / Illinois / Tornado Warnings in 2009
Tornado Warning 32, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jun 8, 2009, 5:20 PM CDT for Saint Clair County, Illinois. It was in force for 25 min. 15 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, 5:20 PM CDT (22:20 UTC)
- Expired
- Jun 8, 2009, 5:45 PM CDT
- In force
- 25 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
County Saint Clair County, IL
The radar
The St Louis radar (KLSX), 76 km from the middle of the area, began a volume at 22:24 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, 5:20 PM CDT | TSTM WND DMG | O'Fallon, IL | 2 FOOT DIAMETER TREE DOWN ON A CAR AT INTERSECTION OF 3RD STREET AND GREENMOUNT NEAR HIGHWAY 50. |
| Jun 8, 5:20 PM CDT | TORNADO | O'Fallon, IL | SPOTTER OBSERVED STRONG ROTATION AND A DEBRIS CLOUD AROUND I 64 AND GREEN MOUNTAIN |
| Jun 8, 5:20 PM CDT | TORNADO | Shiloh, IL | ROOF DAMAGE...FENCES DOWN...AND SMALL SHEDS DESTROYED IN THE EAGLES LANDING SUBDIVISION |
| Jun 8, 5:22 PM CDT | HAIL 1 | O'Fallon, IL | |
| Jun 8, 5:23 PM CDT | TORNADO | Shiloh, IL | DEBRIS VISIBLE WITH CIRCULATION FROM SOUTH OF LEBANON AVENUE AND EAST OF GREEN MOUNT ROAD. EVENT HAD ENDED BEFORE CALL WAS MADE. |
| Jun 8, 5:25 PM CDT | HAIL 1 | Shiloh, IL | |
| Jun 8, 5:30 PM CDT | TSTM WND GST 60 | O'Fallon, IL | PEA SIZED HAIL ALSO OBSERVED |
| Jun 8, 5:31 PM CDT | HAIL 0.88 | Scott Afb, IL | |
| Jun 8, 5:35 PM CDT | TORNADO | 2 W Mascoutah, IL | STORAGE BUILDING DESTROYED AND TREES UPROOTED. |
| Jun 8, 5:35 PM CDT | TORNADO | 5 E Belleville, IL | TORNADO LOCATED 0.25 MILE SOUTHWEST OF SCOTT AFB. TORNADO IS SOUTH OF 161 BETWEEN BELLEVILLE AND SCOTT AFB. |
| Jun 8, 5:36 PM CDT | TORNADO | 1 S Scott Afb, IL | DEBRIS VISIBLE WITH A RAIN WRAPPED TORNADO. DISTANCE ESTIMATED. CIRCULATION BECOMING MORE VISIBLE. |
| Jun 8, 5:45 PM CDT | HAIL 1.75 | Mascoutah, IL | |
| Jun 8, 5:45 PM CDT | HAIL 2 | Mascoutah, IL | HAIL FELL FOR ROUGHLY 5 MINUTES |
| Jun 8, 5:46 PM CDT | HAIL 1.75 | Mascoutah, IL | |
| Jun 8, 5:48 PM CDT | HAIL 1.75 | Mascoutah, IL | QUARTER TO GOLFBALL SIZED 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, 10.3 hours before the alert went out and 209 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 082220 TORLSX ILC163-082245- /O.NEW.KLSX.TO.W.0032.090608T2220Z-090608T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 520 PM CDT MON JUN 8 2009 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS... * UNTIL 545 PM CDT * AT 520 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR OFALLON...AND MOVING SOUTHEAST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... OFALLON...SHILOH...LEBANON...SCOTT AFB...MASCOUTAH AND SUMMERFIELD. 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. && LAT...LON 3839 8978 3857 8999 3865 8994 3865 8971 TIME...MOT...LOC 2220Z 307DEG 12KT 3859 8992 $$ BRITT
1 follow-up statement
000 WWUS53 KLSX 082230 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 530 PM CDT MON JUN 8 2009 ILC163-082245- /O.CON.KLSX.TO.W.0032.000000T0000Z-090608T2245Z/ ST. CLAIR IL- 530 PM CDT MON JUN 8 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR NORTHEASTERN ST. CLAIR COUNTY... AT 526 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR SHILOH...MOVING SOUTHEAST AT 20 MPH. A TRAINED SPOTTER REPORTED A TORNADO WITH THIS STORM AT INTERSTATE 64 AND GREEN MOUNT ROAD AT 520 PM. ROOF DAMAGE HAS ALSO BEEN REPORTED TO FULTON JUNIOR HIGH IN O FALLON. LOCATIONS IMPACTED INCLUDE... SCOTT AFB...MASCOUTAH AND SUMMERFIELD. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3839 8978 3857 8999 3865 8994 3865 8971 TIME...MOT...LOC 2229Z 334DEG 16KT 3854 8991 $$ BRITT
The 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, 5:21 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, 5:58 PM CDT | Tornado Warning | LSX | Clinton, Saint Clair, Washington | 47 min |
| 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.