Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 250, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Dec 23, 1996, 3:18 PM CST for Saint Clair County, Washington County, Illinois. It was in force for 27 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
- Dec 23, 1996, 3:18 PM CST (21:18 UTC)
- Expired
- Dec 23, 1996, 3:45 PM CST
- In force
- 27 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Saint Clair County, IL, Washington County, IL
The radar
The St Louis radar (KLSX), 94 km from the middle of the area, began a volume at 21:22 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, 9.3 hours before the alert went out and 214 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
- 70 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 518 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 151 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 232118 RRA SVRSTL ILC189-163-232145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 318 PM CST MON DEC 23 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL ILLINOIS ...WASHINGTON COUNTY IN SOUTHWEST ILLINOIS ...SOUTHEASTERN ST. CLAIR COUNTY AT 318 PM...RADAR INDICATED A SEVERE THUNDERSTORM NEAR MARISSA MOVING NORTHEAST AT 40 MPH. THE TOWNS IN THE PATH OF THE STORM ARE LIVELY GROVE AND NASHVILLE. THIS STORM DAMAGED HOMES IN EVANSVILLE AROUND 300 PM. &
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, Dec 23, 10:33 AM CST, 4 hours 45 minutes before
ILZ064-065-069-070-074-079-100>102-MOZ061>065-072>075-084-085-099- 240230- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1033 AM CST MON DEC 23 1996 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE SOUTHEAST HALF OF THE FORECAST AREA...EAST OF A LINE FROM ROLLA TO 25 MILES NORTHWEST OF ST LOUIS TO 75 MILES NORTHEAST OF ST LOUIS. THE GREATEST THREAT OF SEVERE WEATHER WILL BE DURING THE AFTERNOON AND EARLY EVENING HOURS. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECASTS AND POSSIBLE SKYWARN ACTION. PEDIGO
Special weather statement, Dec 23, 10:40 AM CST, 4 hours 38 minutes before
ILZ064-065-069-070-074-079-100>102-MOZ061>065-072>075-084-085-099- 240230- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 1033 AM CST MON DEC 23 1996 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE SOUTHEAST HALF OF THE FORECAST AREA...EAST OF A LINE FROM ROLLA TO 25 MILES NORTHWEST OF ST LOUIS TO 75 MILES NORTHEAST OF ST LOUIS. THE GREATEST THREAT OF SEVERE WEATHER WILL BE DURING THE AFTERNOON AND EARLY EVENING HOURS. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECASTS AND POSSIBLE SKYWARN ACTION. PEDIGO
Special weather statement, Dec 23, 12:48 PM CST, 2 hours 30 minutes before
ILZ100-102-101-MOZ062-061-063-064-231945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1248 PM CST MON DEC 23 1996 ...STRONG THUNDERSTORMS CONTINUED TO BEAR DOWN ON THE ST LOUIS AREA... AT 1145 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM NORTHERN ST CHARLES COUNTY NEAR OFALLON TO JUST WEST OF DEFIANCE TO EAST OF WASHINTGON. THE STORMS WERE MOVING NORTHEAST AT 40 MPH. BY 115 PM THE STORMS SHOULD EXTEND FROM NEAR PORTAGE DES SIOUX TO NEAR BALLWIN. THE STRONG STORM IN NORTHERN ST CHARLES COUNTY SHOULD MOVE JUST NORTH OF ST PETERS AND THE CITY OF ST CHARLES. ALL OF THESE STORMS HAVE THE POTENTIAL TO PRODUCE HAIL STRONG WINDS. A REPORT OF PEA SIZE HAIL AND 35 TO 50 MPH WINDS WAS RECIEVED FROM THE OFALLON AREA AT 1237 PM. REMEMBER THE AREA REMAINS UNDER A TORNADO WATCH UNTIL 5 PM. DLF/RP
Special weather statement, Dec 23, 12:52 PM CST, 2 hours 26 minutes before
ILZ100-102-101-MOZ062-061-063-064-231945- SPECIAL WEATHER STATEMENT...CORRECTED FOR TIME NATIONAL WEATHER SERVICE ST LOUIS MO 1248 PM CST MON DEC 23 1996 ...STRONG THUNDERSTORMS CONTINUED TO BEAR DOWN ON THE ST LOUIS AREA... AT 1245 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM NORTHERN ST CHARLES COUNTY NEAR OFALLON TO JUST WEST OF DEFIANCE TO EAST OF WASHINTGON. THE STORMS WERE MOVING NORTHEAST AT 40 MPH. BY 115 PM THE STORMS SHOULD EXTEND FROM NEAR PORTAGE DES SIOUX TO NEAR BALLWIN. THE STRONG STORM IN NORTHERN ST CHARLES COUNTY SHOULD MOVE JUST NORTH OF ST PETERS AND THE CITY OF ST CHARLES. ALL OF THESE STORMS HAVE THE POTENTIAL TO PRODUCE HAIL STRONG WINDS. A REPORT OF PEA SIZE HAIL AND 35 TO 50 MPH WINDS WAS RECIEVED FROM THE OFALLON AREA AT 1237 PM. REMEMBER THE AREA REMAINS UNDER A TORNADO WATCH UNTIL 5 PM. DLF/RP
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 11:19 AM CST | Severe Thunderstorm Warning | LSX | Monroe | 41 min |
| Dec 23, 11:43 AM CST | Severe Thunderstorm Warning | LSX | Calhoun | 62 min |
| Dec 23, 11:43 AM CST | Severe Thunderstorm Warning | LSX | Greene | 62 min |
| Dec 23, 2:38 PM CST | Tornado Warning | LSX | Monroe, Randolph | 37 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1996Every severe thunderstorm warning in 1996
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.