Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 19, NWS Lincoln, IL

May 9, 1995Knox County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 9, 1995, 5:43 PM CDT for Knox County, Illinois. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
May 9, 1995, 5:43 PM CDT (22:43 UTC)
Expired
May 9, 1995, 6:30 PM CDT
In force
47 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Knox County, IL

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.7 hours before the alert went out and 80 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 12:00Z on 1995-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1995-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939587897Sfc1 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
142 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIA 092245
SVRPIA
ILC095-092330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEORIA IL
543 PM CDT TUE MAY 9 1995
 
THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING  EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ILLINOIS
 
   ...KNOX COUNTY
 
AT 543 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM OVER WESTERN KNOX
COUNTY. THE STORM WAS MOVING NORTHEAST AT 30 MPH...AND WILL AFFECT THE
TOWNS OF WATAGA AND ONEIDA BY 600 PM CDT.
 
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.
 
HUNTER

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 4:17 PM CDTSevere Thunderstorm WarningILXSchuyler58 min
May 9, 4:29 PM CDTSevere Thunderstorm WarningILXStark24 min
May 9, 4:39 PM CDTSevere Thunderstorm WarningILXMenard, Morgan, Sangamon51 min
May 9, 4:49 PM CDTSevere Thunderstorm WarningILXMason41 min
May 9, 4:55 PM CDTTornado WarningILXSangamon35 min
May 9, 5:10 PM CDTSevere Thunderstorm WarningILXFulton50 min
May 9, 5:15 PM CDTTornado WarningILXLogan, Menard45 min
May 9, 5:26 PM CDTTornado WarningILXSangamon34 min
May 9, 5:35 PM CDTTornado WarningILXFulton40 min
May 9, 5:45 PM CDTTornado WarningILXLogan45 min
May 9, 5:51 PM CDTTornado WarningILXTazewell54 min
May 9, 5:57 PM CDTTornado WarningILXDeWitt, Logan48 min
May 9, 6:08 PM CDTTornado WarningILXPeoria52 min
May 9, 6:33 PM CDTSevere Thunderstorm WarningILXChristian42 min
May 9, 6:36 PM CDTTornado WarningILXWoodford69 min
May 9, 6:44 PM CDTTornado WarningILXTazewell46 min
May 9, 6:45 PM CDTTornado WarningILXDeWitt, Logan45 min
May 9, 6:47 PM CDTTornado WarningILXMcLean58 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1995Every severe thunderstorm warning in 1995

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.