Alert archive / Missouri / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 434, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 23, 2000, 11:07 PM CDT for Warren County, Missouri. It was in force for 53 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Aug 23, 2000, 11:07 PM CDT (04:07 UTC)
- Expired
- Aug 24, 2000, 12:00 AM CDT
- In force
- 53 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Warren County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 23, 11:10 PM CDT | Thunderstorm Wind 60 E | Warrenton, MO | |
| Aug 23, 11:15 PM CDT | Thunderstorm Wind 60 E | Wright City, MO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 23, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.1 hours before the alert went out and 265 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
- 1082 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1541 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 240409 SVRSTL MOC219-240500- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1107 PM CDT WED AUG 23 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WARREN COUNTY IN EAST CENTRAL MISSOURI * UNTIL MIDNIGHT CDT * AT 1107 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM BOWLING GREEN TO FULTON MOVING SOUTHEAST AT 45 MPH. * LOCATIONS IN THE PATH... WARRENTON TRUESDALE MARTHASVILLE THIS STORM HAS A HISTORY OF DAMAGING WINDS. TAKE SHELTER IN A STURDY BUILDING IMMEDIATELY. TORNADOES MAY OCCUR WITH LITTLE ADVANCE W?ARNING. LAT...LON 3895 9123 3873 9138 3860 9101 3887 9098 GKS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 9:52 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 38 min |
| Aug 23, 10:03 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Monroe | 42 min |
| Aug 23, 10:03 PM CDT | Severe Thunderstorm Warning | LSX | Boone | 42 min |
| Aug 23, 10:04 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 41 min |
| Aug 23, 10:36 PM CDT | Severe Thunderstorm Warning | LSX | Audrain | 39 min |
| Aug 23, 10:40 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 50 min |
| Aug 23, 10:45 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 30 min |
| Aug 23, 10:46 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 59 min |
| Aug 23, 10:58 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 62 min |
| Aug 23, 11:02 PM CDT | Tornado Warning | LSX | Montgomery | 28 min |
| Aug 23, 11:21 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 54 min |
| Aug 23, 11:40 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 65 min |
| Aug 23, 11:45 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 45 min |
| Aug 23, 11:57 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 63 min |
| Aug 24, 1:36 AM CDT | Flash Flood Warning | LSX | Audrain, Montgomery | 5 hr |
| Aug 24, 2:28 AM CDT | Flash Flood Warning | LSX | Franklin, Warren | 5 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.