Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 235, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 18, 1998, 7:01 PM CDT for Callaway County, Missouri. It was in force for 49 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 18, 1998, 7:01 PM CDT (00:01 UTC)
- Expired
- Jun 18, 1998, 7:50 PM CDT
- In force
- 49 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Callaway County, MO
The radar
The St Louis radar (KLSX), 109 km from the middle of the area, began a volume at 00:01 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 0.0 hours before the alert went out and 271 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
- 3542 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1049 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 190001 RRA SVRSTL MOC027-190050- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 701 PM CDT THU JUN 18 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CALLAWAY COUNTY IN CENTRAL MISSOURI * UNTIL 750 PM CDT * AT 658 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR JEFFERSON CITY TO FULTON... MOVING EAST NORTHEAST AT 40 MPH. * LOCATIONS THAT WILL BE AFFECTED... FULTON HOLTS SUMMIT WILLIAMSBURG PORTLAND SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 60 MPH...DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTEHRIOR 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. GKS/FG
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
Special weather statement, Jun 18, 6:24 PM CDT, 37 minutes before
MOZ009-010-018-019-026-190130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 624 PM CDT THU JUN 18 1998 ...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHEAST MISSOURI HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH FOR SCOTLAND...CLARK...KNOX...LEWIS AND SHELBY COUNTIES IN NORTHEAST MISSOURI IS NO LONGER IN EFFECT. THE SEVERE THUNDERSTORMS HAVE MOVED EAST OF THE AREA. FERRY
Special weather statement, Jun 18, 6:24 PM CDT, 37 minutes before
MOZ009-010-018-019-026-190130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 624 PM CDT THU JUN 18 1998 ...THE SEVERE THUNDERSTORM WATCH FOR PARTS OF NORTHEAST MISSOURI HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH FOR SCOTLAND...CLARK...KNOX...LEWIS AND SHELBY COUNTIES IN NORTHEAST MISSOURI IS NO LONGER IN EFFECT. THE SEVERE THUNDERSTORMS HAVE MOVED EAST OF THE AREA. FERRY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:09 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 46 min |
| Jun 18, 7:14 PM CDT | Tornado Warning | LSX | Osage | 36 min |
| Jun 18, 7:28 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Warren | 52 min |
| Jun 18, 8:45 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Washington | 50 min |
| Jun 18, 9:07 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 48 min |
| Jun 18, 9:25 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 35 min |
| Jun 18, 10:10 PM CDT | Tornado Warning | LSX | Reynolds | 65 min |
| Jun 18, 10:25 PM CDT | Severe Thunderstorm Warning | LSX | Iron | 65 min |
| Jun 18, 10:59 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Francois | 46 min |
| Jun 18, 11:10 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 50 min |
| Jun 18, 11:14 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 51 min |
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; radar from the NEXRAD Level II archive.