Alert archive / Missouri / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Feb 9, 2001, 7:13 AM CST for Franklin County, Saint Charles County, Warren County, Missouri. It was in force for 32 min. 5 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
- Feb 9, 2001, 7:13 AM CST (13:13 UTC)
- Expired
- Feb 9, 2001, 7:45 AM CST
- In force
- 32 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Franklin County, MO, Saint Charles County, MO, Warren County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 9, 7:20 AM CST | Thunderstorm Wind 55 E | Sullivan, MO | Storm spotters reported trees down. |
| Feb 9, 7:25 AM CST | Thunderstorm Wind 55 E | Warrenton, MO | |
| Feb 9, 7:30 AM CST | Thunderstorm Wind 55 E | Marthasville, MO | |
| Feb 9, 7:35 AM CST | Thunderstorm Wind 55 E | Union, MO | |
| Feb 9, 7:40 AM CST | Thunderstorm Wind 55 E | Defiance, 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 1.2 hours before the alert went out and 280 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
- 681 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 455 m²/s²
- 0-3 km storm-relative helicity
- 527 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
339 WUUS53 KLSX 091313 SVRSTL MOC055-071-183-219-091345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 713 AM CST FRI FEB 9 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI FRANKLIN COUNTY IN EAST CENTRAL MISSOURI WESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI WARREN COUNTY IN EAST CENTRAL MISSOURI * UNTIL 745 AM CST * AT 713 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 8 MILES NORTHWEST OF TRELOAR TO 18 MILES WEST OF BOURBON...MOVING NORTHEAST AT 60 MPH. * LOCATIONS IN THE PATH... NEW HAVEN TRELOAR TRUESDALE BOURBON BEAUFORT WRIGHT CITY SULLIVAN MARTHASVILLE DUTZOW WASHINGTON 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 3877 9132 3805 9144 3827 9076 3893 9078
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 7:13 AM CST | Severe Thunderstorm Warning | LSX | Crawford | 32 min |
| Feb 9, 7:37 AM CST | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 38 min |
| Feb 9, 7:37 AM CST | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 38 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2001Every severe thunderstorm warning in 2001
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.