Alert archive / Illinois / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 125, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 27, 1997, 4:03 PM CDT for Monroe County, Illinois. It was in force for 42 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 27, 1997, 4:03 PM CDT (21:03 UTC)
- Expired
- Jun 27, 1997, 4:45 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Monroe County, IL
The radar
The St Louis radar (KLSX), 64 km from the middle of the area, began a volume at 21:06 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 12:00Z, 9.1 hours before the alert went out and 248 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
- 1497 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
395 WUUS1 KSTL 272105 SVRSTL ILC133-272145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 403 PM CDT FRI JUN 27 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...MONROE COUNTY AT 400 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CROSSING THE MISSISSIPPI RIVER INTO MONROE COUNTY. THE STORM WAS JUST NORTH OF VALMEYER AND WAS MOVING TO THE NORTHEAST AT 15 MPH. THE TOWNS OF COLUMBIA...CENTERVILLE...AND MILLSTADT ARE IN THE PATH OF THE STORM. THIS IS A DANGEROUS STORM BE PREPARED FOR DAMAGING WINDS...LARGE HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. AMS/ST
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 27, 11:15 AM CDT, 4 hours 48 minutes 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>075-084-085-099-281000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1115 AM CDT FRI JUN 27 1997 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND EAST CENTRAL MISSOURI...AND EXTREME SOUTHWEST ILLINOIS. NO SEVERE WEATHER IS ANTICIPATED TODAY. SLOW MOVING THUNDERSTORMS IN CENTRAL MISSOURI ARE EXPECTED TO MOVE SLOWLY NORTHEASTWARD INTO EASTERN MISSOURI BY LATE THIS AFTERNOON OR EARLY THIS EVENING. SOME OF THESE STORMS MAY PRODUCE LOCALLY HEAVY RAIN BUT THE THUNDERSTORMS ARE EXPECTED TO REMAIN BELOW SEVERE LEVELS. SKYWARN ACTIVATION IS NOT ANTICIPATED AT THIS TIME. GKS
Special weather statement, Jun 27, 11:28 AM CDT, 4 hours 35 minutes 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>075-084-085-099-281000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1115 AM CDT FRI JUN 27 1997 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND EAST CENTRAL MISSOURI...AND EXTREME SOUTHWEST ILLINOIS. NO SEVERE WEATHER IS ANTICIPATED TODAY. SLOW MOVING THUNDERSTORMS IN CENTRAL MISSOURI ARE EXPECTED TO MOVE SLOWLY NORTHEASTWARD INTO EASTERN MISSOURI BY LATE THIS AFTERNOON OR EARLY THIS EVENING. SOME OF THESE STORMS MAY PRODUCE LOCALLY HEAVY RAIN BUT THE THUNDERSTORMS ARE EXPECTED TO REMAIN BELOW SEVERE LEVELS. SKYWARN ACTIVATION IS NOT ANTICIPATED AT THIS TIME. GKS
Nearby
Severe Thunderstorm Warnings in Illinois, 1997Every severe thunderstorm warning in 1997
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.