Alert archive / Missouri / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 132, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 9, 2000, 1:19 PM CDT for Madison County, Missouri. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 9, 2000, 1:19 PM CDT (18:19 UTC)
- Expired
- May 9, 2000, 1:55 PM CDT
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Madison County, MO
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 6.3 hours before the alert went out and 297 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
- 122 J/kg
- Mixed-layer CIN
- -548 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
165 WUUS53 KLSX 091820 SVRSTL MOC123-091855- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 119 PM CDT TUE MAY 9 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MADISON COUNTY MISSOURI IN SOUTHEASTERN MISSOURI * UNTIL 155 PM CDT * AT 118 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF FREDERICKTOWN... MOVING NORTHEAST AT 35 MPH.. * LOCATIONS THAT WILL BE AFFECTED... MILL CREEK FREDERICKTOWN JUNCTION CITY SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 60 MPH...DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OR YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TRUETT/TES
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 9, 4:22 AM CDT, 8 hours 57 minutes earlier.
Area forecast discussion, May 9, 4:22 AM CDT, 8 hours 57 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 420 AM TUE MAY 9 2000 GOT A LATE START DUE TO EARLIER SVR WX...SO WL KEEP THIS VERY SHORT. CDFNT TO CLEAR THE AREA THIS EVE TO BE REPLACED BY A SFC RIDGE BY WED MORN. HOW MUCH RAIN FALLS IN THE MEANTIME IS THE CONCERN. ETA/AVN CONV-Q FIELDS SHOW GREATEST FORCING TO NORTH AND SOUTH BUT ENOUGH MARGINAL SUPPORT OVER STL CWFA TO KEEP CONVECTION GOING ALL DAY. ETA 300MB DVRG PATTERN WITH JET COUPLING ALSO SHOWS BEST SUPPORT TO NORTH AND SOUTH. NGM PLACES BEST 300MB DVRG OVER ECNTRL MO BY 12Z TODAY...BUT DOES NOT SEEM TO MATCH CURRENT RADAR PICS VERY WELL. EVEN SO...COUNTY FLASH FLOOD GUIDANCE INDICATES TOTALS AROUND 2 INCHES MIGHT CAUSE PROBLEMS...SO WENT AHEAD AND ISSUED FFW FOR THE MOST VULNERABLE AREAS. RUC SFC-BASED LI OF -10 BY 18Z NOT TOO FAR TO OUR SOUTH IS ALSO CAUSE FOR CAUTION. .STL...A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR PORTIONS OF CENTRAL AND EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS. LENNING
In the hours before
Special weather statement, May 9, 11:40 AM CDT, 1 hour 39 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-100930- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1140 AM CDT TUE MAY 9 2000 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL...AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING OVER THE EXTREME SOUTHEASTERN PORTION OF THE COUNTY WARNING AREA. THE AREA AFFECTED GENERALLY IS SOUTH AND EAST OF A LINE FROM VANDALIA ILLINOIS TO WATERLOO ILLINOIS CONTINUING TO FESTUS MISSOURI...POTOSI...AND REYNOLDS MISSOURI. THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG AND AHEAD OF A SLOW-MOVING COLD FRONT MOVING INTO SOUTHERN ILLINOIS AND SOUTHEAST MISSOURI THIS AFTERNOON. ABUNDANT MOISTURE AND FAVORABLE UPPER LEVEL WINDS WILL CREATE CONDITIONS THAT MAY SUPPORT SEVERE STORM DEVELOPMENT. SKYWARN SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD REMAIN ALERT FOR POSSIBLE WATCHES OR WARNINGS. BECHTOLD
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:08 PM CDT | Severe Thunderstorm Warning | LSX | Boone | 52 min |
| May 8, 7:42 PM CDT | Severe Thunderstorm Warning | LSX | Audrain | 48 min |
| May 8, 7:52 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 38 min |
| May 8, 7:55 PM CDT | Severe Thunderstorm Warning | LSX | Boone | 50 min |
| May 8, 8:08 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway | 52 min |
| May 8, 8:12 PM CDT | Severe Thunderstorm Warning | LSX | Moniteau | 48 min |
| May 8, 8:22 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 53 min |
| May 8, 8:36 PM CDT | Severe Thunderstorm Warning | LSX | Cole | 39 min |
| May 8, 8:38 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Ralls | 52 min |
| May 8, 9:10 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 50 min |
| May 8, 9:57 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 48 min |
| May 8, 10:38 PM CDT | Severe Thunderstorm Warning | LSX | Moniteau | 37 min |
| May 8, 11:31 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 44 min |
| May 9, 12:04 AM CDT | Severe Thunderstorm Warning | LSX | Boone, Moniteau | 46 min |
| May 9, 1:01 AM CDT | Severe Thunderstorm Warning | LSX | Cole | 44 min |
| May 9, 1:41 AM CDT | Severe Thunderstorm Warning | LSX | Gasconade | 34 min |
| May 9, 1:49 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 41 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; the sounding from the Mesonet's radiosonde archive.