Alert archive / Missouri / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 201, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 4, 2000, 5:35 PM CDT for Audrain County, Boone County, Missouri. It was in force for 55 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
- Jun 4, 2000, 5:35 PM CDT (22:35 UTC)
- Expired
- Jun 4, 2000, 6:30 PM CDT
- In force
- 55 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Audrain County, MO, Boone County, MO
The radar
The St Louis radar (KLSX), 144 km from the middle of the area, began a volume at 22:38 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 4, 6:10 PM CDT | Hail 1 | Hallsville, MO | Storm spotters reported 1 inch hail. |
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
Springfield, MO (KSGF), launched 12:00Z, 10.6 hours before the alert went out and 294 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
- 83 J/kg
- Mixed-layer CIN
- -292 J/kg
- Mixed-layer LCL
- 977 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 042236 SVRSTL MOC007-019-042330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 535 PM CDT SUN JUN 4 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN AUDRAIN COUNTY IN CENTRAL MISSOURI BOONE COUNTY IN CENTRAL MISSOURI * UNTIL 630 PM CDT * AT 534 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED TWO SEVERE THUNDERSTORMS. ONE WAS LOCATED 4 MILES WEST OF STURGEON. THE SECOND WAS LOCATED 10 MILES WEST OF COLUMBIA. BOTH STORMS WERE MOVING EAST AT 30 MPH. * LOCATIONS THAT WILL BE AFFECTED... HALLSVILLE CENTRALIA THOMPSON MEXICO COLUMBIA ASHLAND 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. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT ORe SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. LAT...LON 3935 9241 3918 9248 3898 9216 3926 9154
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 47 min |
| Jun 4, 5:47 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 43 min |
| Jun 4, 5:55 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Ralls | 50 min |
| Jun 4, 6:25 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Moniteau | 50 min |
| Jun 4, 6:30 PM CDT | Tornado Warning | LSX | Montgomery | 30 min |
| Jun 4, 6:51 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole | 54 min |
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; radar from the NEXRAD Level II archive.