Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 208, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 14, 1998, 5:59 AM CDT for Montgomery County, Missouri. It was in force for 31 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 14, 1998, 5:59 AM CDT (10:59 UTC)
- Expired
- Jun 14, 1998, 6:30 AM CDT
- In force
- 31 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Montgomery County, MO
The radar
The St Louis radar (KLSX), 73 km from the middle of the area, began a volume at 11:01 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 14, 6:11 AM CDT | Thunderstorm Wind 61 | Montgomery City, MO | |
| Jun 14, 6:16 AM CDT | Thunderstorm Wind 61 | Bellflower, MO |
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
Lincoln, IL (KILX), launched 00:00Z, 11.0 hours before the alert went out and 280 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1590 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
310 WUUS1 KSTL 141058 RRA SVRSTL MOC139-141130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 559 AM CDT SUN JUN 14 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONTGOMERY COUNTY MISSOURI IN EASTERN MISSOURI * UNTIL 630 AM CDT * AT 557 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTH OF WELLSVILLE ... MOVING EAST AT 35 MPH. * LOCATIONS THAT WILL BE AFFECTED... MONTGOMERY CITY...MIDDLETON...AND HIGH HILL. 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. WDB
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 3:33 AM CDT | Severe Thunderstorm Warning | LSX | Monroe | 32 min |
| Jun 14, 4:46 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway | 49 min |
| Jun 14, 6:17 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Warren | 48 min |
| Jun 14, 7:13 AM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 47 min |
| Jun 14, 2:15 PM CDT | Tornado Warning | LSX | Audrain | 15 min |
| Jun 14, 2:18 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 32 min |
| Jun 14, 2:29 PM CDT | Tornado Warning | LSX | Pike | 36 min |
| Jun 14, 2:39 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 46 min |
| Jun 14, 2:57 PM CDT | Tornado Warning | LSX | Scotland | 33 min |
| Jun 14, 2:57 PM CDT | Tornado Warning | LSX | Clark, Scotland | 38 min |
| Jun 14, 3:05 PM CDT | Tornado Warning | LSX | Pike | 35 min |
| Jun 14, 3:29 PM CDT | Tornado Warning | LSX | Clark | 46 min |
| Jun 14, 3:35 PM CDT | Tornado Warning | LSX | Pike | 65 min |
| Jun 14, 3:40 PM CDT | Tornado Warning | LSX | Lewis | 50 min |
| Jun 14, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 52 min |
| Jun 14, 4:14 PM CDT | Tornado Warning | LSX | Clark | 31 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.