Alert archive / Illinois / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 21, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 8, 1988, 4:34 PM CDT for Brown County, Pike County, Scott County, Illinois. It was in force for 41 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 8, 1988, 4:34 PM CDT (21:34 UTC)
- Expired
- May 8, 1988, 5:15 PM CDT
- In force
- 41 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Brown County, IL, Pike County, IL, Scott County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 8, 4:45 PM CDT | Hail 1.75 | Pike, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Peoria Regional, IL (KPIA), launched 12:00Z, 9.6 hours before the alert went out and 139 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
- 1404 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 082131
SVRSTL
ILC009-149-171-082215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
434 PM CDT SUN MAY 8 1988
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN WEST CENTRAL ILLINOIS
...SOUTHEASTERN BROWN...NORTHEASTERN PIKE
...NORTHWESTERN SCOTT
RADAR INDICATES A SEVERE THUNDERSTORM 30 MILES EAST OF HANNIBAL
MISSOURI MOVING TO THE NORTHEAST AT 40 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 4:53 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 37 min |
| May 8, 5:26 PM CDT | Severe Thunderstorm Warning | LSX | Jersey | 49 min |
| May 8, 5:48 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 42 min |
| May 8, 6:13 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Monroe, Saint Clair | 47 min |
| May 8, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 36 min |
| May 8, 6:55 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton | 35 min |
| May 8, 6:55 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 35 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1988Every severe thunderstorm warning in 1988
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.