Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 98, NWS Lincoln, IL

July 25, 1995Logan County, Menard County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 25, 1995, 5:31 PM CDT for Logan County, Menard County, Illinois. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jul 25, 1995, 5:31 PM CDT (22:31 UTC)
Expired
Jul 25, 1995, 6:15 PM CDT
In force
44 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Logan County, IL, Menard County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 84 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 1995-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 617 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 1995-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
617 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
53 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 KSPI 252231
SVRSPI
ILC107-129-252315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
531 PM CDT TUE JUL 25 1995
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...SOUTHWESTERN LOGAN COUNTY...EASTERN MENARD COUNTY
 
AT 528 PM CDT...DOPPLER RADAR IN LINCOLN SHOWED A SEVERE THUNDERSTORM IN
NORTH CENTRAL MENARD COUNTY...20 MILES NORTHEAST OF SPRINGFIELD OR JUST
NORTHEAST OF PETERSBURG. THE STORM IS MOVING TO THE SOUTHEAST AT 35 MPH.
 
THE STORM WILL PASS THROUGH MAINLY RURAL AREAS OF EASTERN MENARD
COUNTY...THEN PASS NEAR ELKHART AND BROADWELL IN LOGAN COUNTY.
 
THIS IS A DANGEROUS STORM...CAPABLE OF BLOWING DOWN TREES AND
DAMAGING ROOFS AND WINDOWS. GET INDOORS AND STAY AWAY FROM WINDOWS.
$$
 
GEELHART

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 4:03 PM CDTSevere Thunderstorm WarningILXSchuyler42 min
Jul 25, 4:15 PM CDTSevere Thunderstorm WarningILXCass45 min
Jul 25, 4:18 PM CDTSevere Thunderstorm WarningILXMason27 min
Jul 25, 4:33 PM CDTSevere Thunderstorm WarningILXFulton17 min
Jul 25, 4:33 PM CDTSevere Thunderstorm WarningILXMason29 min
Jul 25, 5:07 PM CDTSevere Thunderstorm WarningILXSangamon68 min
Jul 25, 6:08 PM CDTSevere Thunderstorm WarningILXChristian67 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.