Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 97, NWS Lincoln, IL

July 25, 1995Sangamon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 25, 1995, 5:07 PM CDT for Sangamon County, Illinois. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Jul 25, 1995, 5:07 PM CDT (22:07 UTC)
Expired
Jul 25, 1995, 6:15 PM CDT
In force
68 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Sangamon County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.1 hours before the alert went out and 100 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 252209 RRA
SVRSPI
ILC167-252315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
507 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 LOCATION...
 
IN CENTRAL ILLINOIS
 
   ...SANGAMON COUNTY
 
AT 505 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES WEST OF
SPRINGFIELD...JUST SOUTH OF PLEASANT PLAINS. THE STORM IS MOVING TO THE
SOUTHEAST AT 35 MPH.
 
TOWNS IN THE PATH OF THIS STORM ARE FARMINGDALE...BRADFORDTON...AND
SPRINGFIELD.
 
 
 
TAKE SHELTER IN A SUBSTANTIAL BUILDING. STAY AWAY FROM WINDOWS.
LIGHTNING KILLS...SO STAY AWAY FROM TELEPHONES. REMEMBER...A
SEVERE THUNDERSTORM MAY PRODUCE A TORNADO AT ANY TIME.
$$
 
PEARSON
 
&

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, 5:31 PM CDTSevere Thunderstorm WarningILXLogan, Menard44 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.