Alert archive / Missouri / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 430, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 23, 2000, 10:45 PM CDT for Ralls County, Missouri. It was in force for 30 min. 1 report 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, 10:45 PM CDT (03:45 UTC)
- Expired
- Aug 23, 2000, 11:15 PM CDT
- In force
- 30 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Ralls County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 23, 10:50 PM CDT | Thunderstorm Wind 60 E | Vandalia, MO | Amateur radio spotters reported trees and power lines downed by near 70 mph wind gusts. |
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
Davenport, (KDVN), launched 00:00Z, 3.8 hours before the alert went out and 262 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
- 996 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1022 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 240347 SVRSTL MOC173-240415- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1045 PM CDT WED AUG 23 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN RALLS COUNTY IN NORTHEAST MISSOURI * UNTIL 1115 PM CDT * AT 1045 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS OVER SOUTHERN RALLS COUNTY..SOUTH AND SOUTHEAST OF PERRY...MOVING EAST AT 30 MPH. THIS IS A DANGEROUS STORM! WINDS FROM A SEVERE THUNDERSTORM CAN PRODUCE DAMAGE SIMILAR TO THAT OF A TORNADO...AND VERY LARGE HAIL CAN CAUSE SERIOUS INJURY AND SEVERE PROPERTY DAMA<GE. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS...AND STAY AWAY FROM WINDOWS! LAT...LON 3947 9175 3932 9172 3931 9142 3952 9135 TRUETT
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, 10:46 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, 11:07 PM CDT | Severe Thunderstorm Warning | LSX | Warren | 53 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.