Alert archive / Illinois / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 180, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 3, 1998, 9:50 PM CDT for Madison County, Saint Clair County, Illinois; City of Saint Louis, Missouri. It was in force for 65 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 3, 1998, 9:50 PM CDT (02:50 UTC)
- Expired
- Jun 3, 1998, 10:55 PM CDT
- In force
- 65 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Madison County, IL, Saint Clair County, IL, City of Saint Louis, MO
The radar
The St Louis radar (KLSX), 59 km from the middle of the area, began a volume at 02:53 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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 207 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 468 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
214 WUUS1 KSTL 040252 RRA SVRSTL ILC119-163-MOC510-040355- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 950 PM CDT WED JUN 3 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN MADISON COUNTY ILLINOIS IN SOUTHWESTERN ILLINOIS NORTHERN ST CLAIR COUNTY IN SOUTHWESTERN ILLINOIS ST LOUIS CITY IN EAST CENTRAL MISSOURI * UNTIL 1055 PM CDT * AT 949 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN ST LOUIS CITY... MOVING EAST AT 35 MPH. * LOCATIONS THAT WILL BE AFFECTED... ST LOUIS CITY GRANITE CITY COLLINSVILLE EAST ST LOUIS 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. DM/VA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 11:32 AM CDT | Flash Flood Warning | LSX | Gasconade, Osage | 2 hr |
| Jun 4, 11:32 AM CDT | Flash Flood Warning | LSX | Cole | 2 hr |
| Jun 4, 2:59 PM CDT | Severe Thunderstorm Warning | LSX | Moniteau | 46 min |
| Jun 4, 5:50 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway | 50 min |
| Jun 4, 6:13 PM CDT | Severe Thunderstorm Warning | LSX | Audrain | 32 min |
| Jun 4, 6:35 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 35 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1998Severe 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.