Alert archive / Illinois / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 113, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 10, 2007, 1:52 PM CDT for Madison County, Saint Clair County, Illinois. It was in force for 38 min. 1 report 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
- May 10, 2007, 1:52 PM CDT (18:52 UTC)
- Expired
- May 10, 2007, 2:30 PM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Madison County, IL, Saint Clair County, IL
The radar
The St Louis radar (KLSX), 67 km from the middle of the area, began a volume at 18:53 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 |
|---|---|---|---|
| May 10, 1:53 PM CDT | HAIL 1 | Collinsville, IL | SEVERAL REPORTS OF HAIL IN COLLINSVILLE...RANGING FROM PEA TO QUARTER SIZE HAIL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.9 hours before the alert went out and 198 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2262 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 101852 SVRLSX ILC119-163-101930- /O.NEW.KLSX.SV.W.0113.070510T1852Z-070510T1930Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 152 PM CDT THU MAY 10 2007 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MADISON COUNTY IN SOUTHWEST ILLINOIS NORTHERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS * UNTIL 230 PM CDT * AT 148 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR COLLINSVILLE...AND MOVING EAST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE... TROY... SCOTT AFB... LEBANON... ST. JACOB... MARINE... HIGHLAND... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. LAT...LON 3875 9007 3857 9005 3848 8973 3890 8965 $$ GLASS
2 follow-up statements
000 WWUS53 KLSX 101914 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 211 PM CDT THU MAY 10 2007 ILC119-163-101930- /O.CON.KLSX.SV.W.0113.000000T0000Z-070510T1930Z/ ST. CLAIR IL-MADISON IL- 211 PM CDT THU MAY 10 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR SOUTHERN MADISON AND NORTHEASTERN ST. CLAIR COUNTIES... AT 207 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR TROY...MOVING EAST AT 20 MPH. LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... LEBANON...KUHN...SUMMERFIELD...ST. JACOB...MARINE AND HIGHLAND. HAIL UP TO THE SIZE OF NICKELS HAS BEEN REPORTED IN COLLINSVILLE WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LAT...LON 3875 9007 3857 9005 3848 8973 3890 8965 $$ GLASS
000 WWUS53 KLSX 101932 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 231 PM CDT THU MAY 10 2007 ILC119-163-101939- /O.EXP.KLSX.SV.W.0113.000000T0000Z-070510T1930Z/ ST. CLAIR IL-MADISON IL- 231 PM CDT THU MAY 10 2007 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MADISON AND NORTHERN ST. CLAIR COUNTIES EXPIRES AT 230 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER APPEARED TO BE SEVERE. AT 229 PM CDT...A STRONG THUNDERSTORM WAS LOCATED BETWEEN COLLINSVILLE AND LEBANON...MOVING EAST AT 10 MPH. WHILE THIS STORM NO LONGER APPEARED TO BE SEVERE...IT WILL BE CAPABLE OF HEAVY RAIN AND FREQUENT LIGHTNING AS IT MOVES SLOWLY EAST. LAT...LON 3875 9007 3857 9005 3848 8973 3890 8965 $$ GLASS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 2:52 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 38 min |
| May 10, 2:55 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 28 min |
| May 10, 3:32 PM CDT | Flash Flood Warning | LSX | Madison | 4 hr |
| May 10, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 47 min |
| May 10, 3:52 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 38 min |
| May 10, 4:06 PM CDT | Flash Flood Warning | LSX | Jersey | 4 hr |
| May 10, 5:02 PM CDT | Flash Flood Warning | LSX | Greene | 4 hr |
| May 10, 6:25 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 50 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2007Every severe thunderstorm warning in 2007
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.