Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 60, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 28, 1996, 4:40 PM CDT for Madison County, Saint Clair County, Illinois; Saint Louis County, City of Saint Louis, Missouri. It was in force for 50 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
- Apr 28, 1996, 4:40 PM CDT (21:40 UTC)
- Expired
- Apr 28, 1996, 5:30 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Madison County, IL, Saint Clair County, IL, City of Saint Louis, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 49 km from the middle of the area, began a volume at 21:43 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, 9.7 hours before the alert went out and 212 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
- 898 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 313 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 282141 SVRSTL ILC119-163-MOC189-510-282230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 440 PM CDT SUN APR 28 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...MADISON COUNTY...ST. CLAIR COUNTY IN EAST CENTRAL MISSOURI ...SOUTHEASTERN ST. LOUIS COUNTY AND THE INDEPENDENT CITY OF ...ST. LOUIS CITY AT 438 PM...RADAR WAS DETECTING A SEVERE STORM 5 MILES SOUTHWEST OF ST LOUIS. IT WAS MOVING TO THE NORTHEAST AT 50 MPH. IT WILL MOVE THROUGH THE CITY OF ST LOUIS...GRANITE CITY AND EDWARDSVILLE. A SECOND SEVERE STORM WAS ENTERING SOUTHERN ST CLAIR COUNTY. IT WILL MOVE THROUGH THE TOWNS OF NEW ATHENS AND FREEBURG. HAIL UP TO THE SIZE OF ONE INCH CAN BE EXPECTED. THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWA Y FROM WINDOWS. GKS/RP
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, Apr 28, 11:04 AM CDT, 5 hours 36 minutes before
ILZ100>102-MOZ060>065-281700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1058 AM CDT SUN APR 28 1996 ...HIGH WIND WARNING FOR EAST CENTRAL MISSOURI AND PORTIONS OF SOUTHWESTERN ILLINOIS HAS BEEN CANCELLED... THE STRONG GUSTY WINDS THAT OCCURRED AS THE PRECIPITATION ENDED HAVE MOVED EAST OUT OF THE AREA...AND THE HIGH WIND WARNING IS CANCELLED. WINDS WILL CONTINUE TO BE GUSTY FROM THE EAST AT 15 TO 25 MPH THROUGHOUT THE LATE `MORNING AND AFTERNOON. . WDB
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 4:45 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 45 min |
| Apr 28, 6:05 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 40 min |
| Apr 28, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 32 min |
| Apr 28, 5:32 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 28 min |
| Apr 28, 5:32 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 28 min |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Gasconade | 5 hr |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Franklin, Jefferson, Saint Louis | 5 hr |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Saint Charles | 5 hr |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | City of Saint Louis | 5 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 1996Severe Thunderstorm Warnings in Missouri, 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.