Alert archive / Illinois / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 94, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 6, 1997, 12:09 PM CDT for Madison County, Illinois. It was in force for 51 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 6, 1997, 12:09 PM CDT (17:09 UTC)
- Expired
- Jun 6, 1997, 1:00 PM CDT
- In force
- 51 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Madison County, IL
The radar
The St Louis radar (KLSX), 69 km from the middle of the area, began a volume at 17:08 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, 5.2 hours before the alert went out and 185 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
- 413 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 780 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 061710 SVRSTL ILC119-061800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1209 PM CDT FRI JUN 6 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...SOUTHEASTERN MADISON COUNTY A SEVERE THUNDERSTORM IS LOCATED 5 MILES EAST OF EDWARDSVILLE ILLINOIS...MOVING SOUTHEAST AT 15 MPH. TOWNS IN THE PATH OF THIS STORM ARE HIGHLAND ILLINOIS. SEEK SHELTER IN A STURDY BUILDING. REMEMBER SEVERE THUNDERSTORMS OFTEN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. WDB
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 6, 6:22 AM CDT, 5 hours 47 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-065-052-085-027-047- 051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095- 064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074- 061600- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 620 AM CDT FRI JUN 6 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. THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS OVER PARTS OF EASTERN MISSOURI AND SOUTHWEST ILLINOIS THIS AFTERNOON AND EVENING. THE MAIN SEVERE WEATHER THREAT IS ALONG AND EAST OF A C8ENTERVILLE MISSOURI... STEELVILLE MISSOURI...QUINCY ILLINOIS LINE. EMERGENCY MANAGERS AND STORM SPOTTERS GROUPS SHOULD MONITOR LATER FORECASTS FOR POSSIBLE SKYWARN ACTION. TRUETT
Special weather statement, Jun 6, 11:05 AM CDT, 1 hour 4 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-065-052-085-027-047- 051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095- 064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074- 060000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1105 AM CDT THU JUN 6 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. ALTHOUGH THERE IS A CHANCE OF THUNDERSTORMS OVER PARTS OF THE AREA BY TONIGHT...NO SEVERE THUNDERSTORMS ARE ANTICIPATED ACROSS THE AREA THIS AFTERNOON OR TONIGHT. METZE
Special weather statement, Jun 6, 11:07 AM CDT, 1 hour 2 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-065-052-085-027-047- 051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095- 064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074- 062300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1100 AM CDT FRI JUN 6 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. THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS OVER PARTS OF EASTERN MISSOURI AND SOUTHWEST ILLINOIS THIS AFTERNOON AND EVENING. THE MAIN SEVERE WEATHER THREAT IS ALONG AND EAST OF A SALEM MISSOURI...ST LOUIS ...LITCHFIELD ILLINOIS...TO TAYLORVILLE ILLINOIS LINE. A WEAK COLD FRONT WAS LOCATED FROM NORTHERN MISSOURI INTO CENTRAL ILLINOIS...WITH MOIST AND SLIGHTLTY UNSTABLE AIR TO ITS SOUTH. AS THE DAY PROGRESSES...THE AIR SOUTH OF THIS FRONT WILL BECOME INCREASINGLY UNSTABLE. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND EVENING ALONG AND AHEAD OF THE FRONT AS IT MOVES SOUTHWARD AND INTERACTS WITH THE UNSTABLE AIR. IT APPEARS THE MAIN SEVERE WEATHER THREAT SHOULD BE LARGE HAIL...ALTHOUGH LOCALLY DAMAGING WINDS ARE ALSO POSSIBLE. EMERGENCY MANAGERS AND STORM SPOTTERS GROUPS SHOULD MONITOR LATER FORECASTS FOR POSSIBLE SKYWARN ACTION. GLASS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 6:53 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 52 min |
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.