Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 265, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 20, 1998, 12:00 PM CDT for Moniteau County, Missouri. It was in force for 45 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
- Jun 20, 1998, 12:00 PM CDT (17:00 UTC)
- Expired
- Jun 20, 1998, 12:45 PM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Moniteau County, MO
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 5.0 hours before the alert went out and 220 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
- 2493 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 951 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 383 m²/s²
- 0-3 km storm-relative helicity
- 404 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 201659 RRA SVRSTL MOC135-201745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1200 PM CDT SAT JUN 20 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONITEAU COUNTY IN CENTRAL MISSOURI * UNTIL 1245 PM CDT * AT 1155 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF TIPTON... MOVING TO THE EAST AT 25 MPH. * LOCATIONS THAT WILL BE AFFECTED... AT 1210 PM TIPTON...AND 1240 PM IN CLARKBURG. 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. VA/BW
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.
In the hours before
Local storm report, Jun 20, 7:16 AM CDT, 4 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MISSOURI
716 AM CDT SAT JUN 20 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0500 AM FREDERICKTOWN MO WIND DAMAGE
06/20/98 MADISON TREES BLOWN DOWNLocal storm report, Jun 20, 7:16 AM CDT, 4 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MISSOURI
716 AM CDT SAT JUN 20 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0500 AM FREDERICKTOWN MO WIND DAMAGE
06/20/98 MADISON TREES BLOWN DOWNSpecial weather statement, Jun 20, 11:00 AM CDT, 1 hour before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-202300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 11 AM CDT SAT JUN 20 1998 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. A MODERATE RISK FOR SEVERE THUNDERTORMS IS IN FORECAST FOR THIS AFTERNOON AND TONIGHT FOR AN AREA NORTH OF THE LINE FROM VICHY TO QUINCY ILLONOIS... WITH A SLIGHT RISK FOR SEVERE THUNDERSTORMS OVER THE REST OF THE LOCAL WARNING AREA. AT 1045 AM...SCATTERED THUNDERSTORMS WERE OCCURING IN PORTIONS OF WESTERN MISSOURI...FEW OF THESE STORMS HAVE HISTORY OF 1/2-3/4 SIZE HAIL...VERY HAVY RAIN AND STRONG AND GUSTY WIND UP TO 45 MPH. SPOTTERED ACTIVATION MAY BE REQUIRED FOR THIS AFTERNOON AND TONIGHT.
Special weather statement, Jun 20, 11:00 AM CDT, 1 hour before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-202300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 11 AM CDT SAT JUN 20 1998 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. A MODERATE RISK FOR SEVERE THUNDERTORMS IS IN FORECAST FOR THIS AFTERNOON AND TONIGHT FOR AN AREA NORTH OF THE LINE FROM VICHY TO QUINCY ILLONOIS... WITH A SLIGHT RISK FOR SEVERE THUNDERSTORMS OVER THE REST OF THE LOCAL WARNING AREA. AT 1045 AM...SCATTERED THUNDERSTORMS WERE OCCURING IN PORTIONS OF WESTERN MISSOURI...FEW OF THESE STORMS HAVE HISTORY OF 1/2-3/4 SIZE HAIL...VERY HAVY RAIN AND STRONG AND GUSTY WIND UP TO 45 MPH. SPOTTERED ACTIVATION MAY BE REQUIRED FOR THIS AFTERNOON AND TONIGHT.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 10:04 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade, Osage | 61 min |
| Jun 19, 10:30 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 50 min |
| Jun 19, 11:03 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 62 min |
| Jun 19, 11:39 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 61 min |
| Jun 20, 1:38 AM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 62 min |
| Jun 20, 1:38 AM CDT | Severe Thunderstorm Warning | LSX | Moniteau | 62 min |
| Jun 20, 3:34 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 51 min |
| Jun 20, 4:39 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison | 46 min |
| Jun 20, 12:54 PM CDT | Flash Flood Warning | LSX | Moniteau | 2 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 1998Every severe thunderstorm warning in 1998
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.