Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 153, NWS St. Louis, MO

May 27, 1996Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 27, 1996, 7:45 PM CDT for Adams County, Brown County, Pike County, Illinois. It was in force for 45 min. 4 reports 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 27, 1996, 7:45 PM CDT (00:45 UTC)
Expired
May 27, 1996, 8:30 PM CDT
In force
45 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Adams County, IL, Brown County, IL, Pike County, IL

The radar

The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 00:46 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

TimeReportWhereRemark
May 27, 7:55 PM CDTHail 1.25Payson, IL
May 27, 8:30 PM CDTTornado F0Griggsville, IL
May 27, 8:35 PM CDTHail 1East Hannibal, IL
May 27, 8:40 PM CDTTornado F0Beverly, 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

Davenport, (KDVN), launched 00:00Z, 0.8 hours before the alert went out and 199 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 1996-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 1996-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTL 280046
SVRSTL
ILC001-009-149-280130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
745 PM CDT MON MAY 27 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ILLINOIS
 
   ...SOUTHERN ADAMS COUNTY...BROWN COUNTY...NORTHERN PIKE COUNTY
 
AT 744 PM...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHWEST
ADAMS COUNTY NEAR PAYSON.
 
THE STORM CONTINUED MOVING EAST AT 30 MPH...AND WILL BE AFFECTING THE
TOWNS OF PAYSON...KINGSTON...BUCKHORN...VERSAILLES...AND FISHHOOK.
 
REMEMBER...A TORNADO WATCH IS ALSO IN EFFECT F
OR THE WARNED AREA.
IF OUTDOORS...SEEK INSIDE SHELTER IMMEDIATELY. STAY AWAY FROM
WINDOWS.
 
TRUETT/GKS

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 7:04 PM CDTSevere Thunderstorm WarningLSXAdams41 min
May 27, 8:05 PM CDTTornado WarningLSXAdams, Brown, Pike40 min
May 27, 8:43 PM CDTTornado WarningLSXPike32 min
May 27, 9:33 PM CDTSevere Thunderstorm WarningLSXPike42 min
May 27, 10:25 PM CDTSevere Thunderstorm WarningLSXGreene, Macoupin50 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.