Alert archive / Illinois / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 271, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 22, 1998, 7:01 AM CDT for Brown County, Illinois. It was in force for 34 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 22, 1998, 7:01 AM CDT (12:01 UTC)
- Expired
- Jun 22, 1998, 7:35 AM CDT
- In force
- 34 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Brown County, IL
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 0.0 hours before the alert went out and 184 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
- 307 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1177 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
033 WUUS1 KSTL 221202 RRA SVRSTL ILC009-221235- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 701 AM CDT MON JUN 22 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BROWN COUNTY IN WEST CENTRAL ILLINOIS * UNTIL 735 AM CDT * AT AT 659 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER MOUNT STERLING... MOVING NORTHEAST AT 30 MPH. * LOCATIONS THAT WILL BE AFFECTED... RIPLEY COOPERSTOWN LA GRANGE THIS IS A DANGEROUS STORM BE PREPARED FOR DAMAGING WINDS...HAIL... AND DEADLY LIGHTNING. STAY INDOORS AWAY FROM WINDOWS. AS/LEWIS
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 22, 6:00 AM CDT, 1 hour 1 minute 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>075-084-085-099-221700- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 600 AM CDT MON JUN 22 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 COMPLEX OF SHOWERS AND THUNDERSTORMS COVERED MUCH OF THE NORTHERN HALF OF MISSOURI EARLY THIS MORNING. VERY HEAVY RAIN WAS OCCURING WITH SOME OF THE STORMS. A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR CENTRAL MISSOURI. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE ENTIRE AREA TODAY AND TONIGHT. GUSTY DAMAGING WIND WILL BE THE MAIN SEVERE WEATHER THREAT. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD MONITOR WEATHER DEVELOPMENTS THROUGHOUT THE DAY FOR POSSIBLE SKYWARM ACTION. TPS
Special weather statement, Jun 22, 6:00 AM CDT, 1 hour 1 minute 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>075-084-085-099-221700- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 600 AM CDT MON JUN 22 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 COMPLEX OF SHOWERS AND THUNDERSTORMS COVERED MUCH OF THE NORTHERN HALF OF MISSOURI EARLY THIS MORNING. VERY HEAVY RAIN WAS OCCURING WITH SOME OF THE STORMS. A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR CENTRAL MISSOURI. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE ENTIRE AREA TODAY AND TONIGHT. GUSTY DAMAGING WIND WILL BE THE MAIN SEVERE WEATHER THREAT. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD MONITOR WEATHER DEVELOPMENTS THROUGHOUT THE DAY FOR POSSIBLE SKYWARM ACTION. TPS
Nearby
Severe Thunderstorm Warnings in Illinois, 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.