Alert archive / Illinois / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 98, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 6, 1997, 6:53 PM CDT for Saint Clair County, Illinois. It was in force for 52 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 6, 1997, 6:53 PM CDT (23:53 UTC)
- Expired
- Jun 6, 1997, 7:45 PM CDT
- In force
- 52 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Clair County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 7:06 PM CDT | Hail 1 | Fayetteville, IL | County sheriff reported 1 inch hail. |
| Jun 6, 7:06 PM CDT | Thunderstorm Wind 50 | Fayetteville, IL | County sheriff reported thunderstorm wind gusts downed trees and power lines. A mobile home also suffered minor damage. |
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 12:00Z, 11.9 hours before the alert went out and 219 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 062354 SVRSTL ILC163-070045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 653 PM CDT FRI JUN 6 1997 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...SOUTHERN ST. CLAIR COUNTY AT 650 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES EAST OF FREEBURG...OR 10 MILES SOUTHEAST OF BELLEVILLE. THIS STORM IS MOVING TO THE SOUTHEAST AT 15 MPH. COMMUNITIES IN THE PATH OF THIS STORM ARE...RURAL AREAS ALONG AND NEAR HIGHWAY 15. PRIMARY THREAT OF THIS STORM IS HAIL AND POSSIBLE DDAMAGING WINDS. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. PEDIGO
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, 1:22 PM CDT, 5 hours 31 minutes before
ILZ064-069-061930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 121 PM CDT FRI JUN 6 1997 AT 1:20 PM STRONG THUNDERSTORMS HAVE DEVELOPED OVER SOUTHERN BOND AND NORTHERN CLINTON COUNTvIES IN ILLINOIS. THESE STORMS ARE MOVING SOUTHEAST AROUND 15 MPH AND SHOULD BE CROSSING CARLYLE LAKE BY 200 PM. EXPECT GUSTY WIND...HEAVY RAIN...AND SMALL HAIL AS THESE STORMS MOVE ACROSS THE REGION. WDB
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 12:09 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 51 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.