Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 135, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 25, 1996, 8:40 PM CDT for Fayette County, Illinois. It was in force for 50 min. 1 report 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
- May 25, 1996, 8:40 PM CDT (01:40 UTC)
- Expired
- May 25, 1996, 9:30 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Fayette County, IL
The radar
The Lincoln radar (KILX), 131 km from the middle of the area, began a volume at 01:40 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 25, 8:50 PM CDT | Hail 0.75 | Vandalia, IL |
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 00:00Z, 1.7 hours before the alert went out and 133 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
- 13 J/kg
- Mixed-layer CIN
- -191 J/kg
- Mixed-layer LCL
- 821 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, May 25, 8:15 PM CDT, 25 minutes before
ILZ058-095>102-MOZ009-010-018-019-026-027-034>036-041-042-047>052- 059>065-072>075-084-085-099-260315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 815 PM CDT SAT MAY 25 1996 ...SEVERE THUNDERSTORM WATCH NUMBER 433 NO LONGER IN EFFECT... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR MUCH OF EASTERN MISSOURI EXPIRED AT 800 PM. THE SEVERE THUNDERSTORMS THAT MOVED THROUGH EASTERN MISSOURI EARLIER THIS EVENING HAVE MOVED EAST INTO SOUTHWESTERN ILLINOIS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN ILLINOIS. SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE OVER EASTERN MISSOURI AND EXTEND SOUTHWESTWARD INTO CENTRAL MISSOURI. THE SHOWERS ARE MOVING EAST AROUND 35 MPH. HEAVY RAINS...STRONG GUSTY WINDS...AND FREQUENT LIGHTNING WILL ACCOMPANY THESE STORMS. BECHTOLD
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 7:09 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 66 min |
| May 26, 2:15 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson | 45 min |
| May 25, 7:00 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin | 60 min |
| May 25, 7:38 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 67 min |
| May 25, 7:40 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 65 min |
| May 25, 7:45 PM CDT | Tornado Warning | LSX | Macoupin, Montgomery | 45 min |
| May 25, 8:01 PM CDT | Severe Thunderstorm Warning | LSX | Bond | 44 min |
| May 25, 8:40 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 60 min |
| May 25, 8:45 PM CDT | Tornado Warning | LSX | Marion | 45 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.