Alert archive / Illinois / Tornado Warnings in 2003
Tornado Warning 17, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 6, 2003, 7:46 PM CDT for Monroe County, Illinois. It was in force for 59 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 6, 2003, 7:46 PM CDT (00:46 UTC)
- Expired
- May 6, 2003, 8:45 PM CDT
- In force
- 59 min
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
County Monroe County, IL
The radar
The St Louis radar (KLSX), 64 km from the middle of the area, began a volume at 00:45 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 6, 5:40 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.8 hours before the alert went out and 251 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
- 208 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1589 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
055
WFUS53 KLSX 070046
TORLSX
ILC133-070145-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
746 PM CDT TUE MAY 6 2003
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
MONROE COUNTY IN SOUTHWEST ILLINOIS
* UNTIL 845 PM CDT
* AT 746 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM WITH STRONG ROTATION 6 MILES SOUTHWEST OF
CHALFIN BRIDGE. THE STORM WAS MOVING EAST AT 50 MPH...AND MAY
PRODUCE A TORNADO AT ANY TIME
* LOCATIONS IMPACTED INCLUDE...
WARTBURG
RENAULT
NEW DESIGN
BURKSVILLE
HECKER
WATERLOO
THIS IS AN EXTREMELY DANGEROUS AND LIFE-THREATENING SITUATION. MOVE
IMMEDIATELY TO A BASEMENT OR BELOW GROUND SHELTER. IF UNDERGROUND
SHELTER IS NOT AVAILABLE...TAKE COVER ON THE LOWEST FLOOR OF A STURDY
BUILDING OR HOME IN A SMALL INTERIOR ROOM...SUCH AS A CLOSET OR
HALLWAY. HIDE UNDER A MATRESS OR USE BLANKETS OR PILLOWS TO COVER
YOUR BODY.
IF YOU LIVE IN A MOBILE HOME OR TRAILER...ABANDON IT IMMEDIATELY AND
SEEK SHELTER IN A MORE SUBSTANTIAL SHELTER.
THE TORNADO WITH THIS STORM WILL LIKELY BE WRAPPED IN RAIN. DO NOT BE
LULLED INTO THINKING THE THREAT IS OVER DUE TO THE RAINFALL. STAY IN
SHELTER UNTIL THE LATEST WEATHER INFORMATION INDICATES THE THREAT HAS
PASSED.
THIS STORM WILL ALSO PRODUCE LARGE DESTRUCTIVE HAIL AND DAMAGING
WINDS IN EXCESS OF 80 MPH.
LAT...LON 3828 9036 3813 9024 3815 9004 3827 8994
3849 9024
$$
BRITTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 7:53 PM CDT | Tornado Warning | LSX | Randolph | 52 min |
| May 6, 7:55 PM CDT | Flash Flood Warning | LSX | Monroe | 4 hr |
| May 6, 8:06 PM CDT | Tornado Warning | LSX | Saint Clair | 54 min |
| May 6, 8:35 PM CDT | Tornado Warning | LSX | Washington | 55 min |
| May 6, 8:41 PM CDT | Tornado Warning | LSX | Randolph | 49 min |
| May 6, 9:24 PM CDT | Tornado Warning | LSX | Washington | 36 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.