Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 106, NWS Lincoln, IL

August 9, 1995Champaign County, Douglas County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 9, 1995, 5:19 PM CDT for Champaign County, Douglas County, Illinois. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Aug 9, 1995, 5:19 PM CDT (22:19 UTC)
Expired
Aug 9, 1995, 6:00 PM CDT
In force
41 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Champaign County, IL, Douglas County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.3 hours before the alert went out and 40 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, Lincoln, IL at 12:00Z on 1995-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3029 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, Lincoln, IL at 12:00Z on 1995-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
3029 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 092221 RRA
SVRSPI
ILC019-041-092300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
519 PM CDT WED AUG 9 1995
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL ILLINOIS
 
   ...SOUTHERN CHAMPAIGN COUNTY...NORTHERN DOUGLAS COUNTY
 
AT 518 PM...RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 10 MILES SOUTH
OF CHAMPAIGN...NEAR TOLONO.
 
THE STORM WAS SLOWLY MOVING TO THE SOUTH SOUTHWEST AT 10 MPH AND WILL
AFFECT THE FOLLOWING TOWNS...TOLONO...PESOTUM...VILLA GROVE AND TUSCOLA.
 
TAKE SHELTER IN A SUBSTANTIAL BUILDING. STAY 6AWAY FROM WINDOWS.
LIGHTNING KILLS...SO STAY AWAY FROM TELEPHONES. REMEMBER...A
SEVERE THUNDERSTORM MAY PRODUCE A TORNADO AT ANY TIME.
 
$$
BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 3:16 PM CDTSevere Thunderstorm WarningILXClark, Edgar44 min
Aug 9, 4:05 PM CDTSevere Thunderstorm WarningILXClark, Cumberland40 min
Aug 9, 4:45 PM CDTSevere Thunderstorm WarningILXCumberland45 min
Aug 9, 4:55 PM CDTTornado WarningILXVermilion35 min
Aug 9, 5:40 PM CDTTornado WarningILXVermilion35 min
Aug 9, 6:29 PM CDTSevere Thunderstorm WarningILXMcLean61 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.