Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 155, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 27, 1996, 10:25 PM CDT for Greene County, Macoupin County, Illinois. 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
- May 27, 1996, 10:25 PM CDT (03:25 UTC)
- Expired
- May 27, 1996, 11:15 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Greene County, IL, Macoupin County, IL
The radar
The St Louis radar (KLSX), 82 km from the middle of the area, began a volume at 03:26 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
Davenport, (KDVN), launched 00:00Z, 3.4 hours before the alert went out and 259 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
- 493 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 305 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 280327 SVRSTL ILC117-061-280415- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1025 PM CDT MON MAY 27 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL ILLINOIS ...NORTHERN MACOUPIN COUNTY IN SOUTHWEST ILLINOIS ...NORTHEASTERN GREENE COUNTY AT 1025 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS DETECTING SEVERE STORMS JUST EAST OF WHITE HALL. THE STORMS WERE MOVING EAST AT 30 MPH. THEY WILL MOVE THROUGH THE TOWNS OF ATHENSVILLE...SCOTTVILLE...PALMYRA. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGINzG WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. GKS/ST
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 27, 8:31 PM CDT, 1 hour 54 minutes before
ILZ098>102-MOZ009-010-018-019-026-027-034>036-041-042-047>052-059> 065-072>075-084-085-099-280230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 828 PM CDT MON MAY 27 1996 TORNADO WATCH #464 THAT COVERED NORTHEAST...CENTRAL AND EAST CENTRAL MISSOURI HAS EXPIRED. WIDELY SCATTERED THUNDERSTORMS ARE STILL POSSIBLE THE REST OF THIS EVENING NEAR THE MISSISSIPPI RIVER IN NORTHEAST AND EAST CENTRAL MISSOURI AND OVER MOST OF SOUTHEAST MISSOURI. HOWEVER THESE STORMS SHOULD REMAIN BELOW SEVERE LIMITS. FERRY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:04 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 41 min |
| May 27, 7:45 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 45 min |
| May 27, 8:05 PM CDT | Tornado Warning | LSX | Adams, Brown, Pike | 40 min |
| May 27, 8:43 PM CDT | Tornado Warning | LSX | Pike | 32 min |
| May 27, 9:33 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 42 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.