Alert archive / Illinois / Tornado Warnings in 2003
Tornado Warning 25, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 8, 2003, 3:02 PM CDT for Macoupin County, Montgomery County, Illinois. It was in force for 28 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
- May 8, 2003, 3:02 PM CDT (20:02 UTC)
- Expired
- May 8, 2003, 3:30 PM CDT
- In force
- 28 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Macoupin County, IL, Montgomery County, IL
The radar
The St Louis radar (KLSX), 94 km from the middle of the area, began a volume at 20:05 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 |
|---|---|---|---|
| May 8, 12:20 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.0 hours before the alert went out and 152 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
- 797 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
922 WFUS53 KLSX 082002 TORLSX ILC117-135-082030- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 302 PM CDT THU MAY 8 2003 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS SOUTHEASTERN MACOUPIN COUNTY IN SOUTHWEST ILLINOIS * UNTIL 330 PM CDT * AT 302 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION NEAR STAUNTON. THE STORM WAS MOVING EAST AT 25 MPH...AND MAY PRODUCE A TORNADO AT ANY TIME * LOCATIONS IMPACTED INCLUDE... MOUNT OLIVE WALSHVILLE TAYLOR SPRINGS HILLSBORO BUTLER THIS TORNADO WARNING IS AN UPGRADE TO THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR THE WARNED AREA. IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW MOVE TO A BASEMENT...UNDERGROUND STORM SHELTER...OR AN INTERIOR ROOM OR HALLWAY ON THE LOWEST LEVEL OF A STURDY BUILDING. LAT...LON 3909 8993 3900 8989 3903 8938 3923 8945 $$ TRUETT
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 1:29 PM CDT | Flash Flood Warning | LSX | Calhoun | 3 hr |
| May 8, 1:55 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 50 min |
| May 8, 2:08 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 52 min |
| May 8, 2:56 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 49 min |
| May 8, 3:11 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 64 min |
| May 8, 3:16 PM CDT | Tornado Warning | LSX | Bond, Montgomery | 29 min |
| May 8, 3:27 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 48 min |
| May 8, 3:41 PM CDT | Tornado Warning | LSX | Bond, Fayette | 49 min |
| May 8, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Randolph, Saint Clair | 62 min |
| May 8, 3:59 PM CDT | Tornado Warning | LSX | Marion | 31 min |
| May 8, 4:03 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 57 min |
| May 8, 4:09 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 66 min |
| May 8, 4:29 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 31 min |
Nearby
Tornado Warnings in Illinois, 2003Every tornado warning in 2003Tornadoes in 2003
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.