Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 244, NWS Indianapolis, IN

July 31, 1995Clay County, Wayne County, Illinois

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 31, 1995, 2:44 PM CDT for Clay County, Wayne County, Illinois. It was in force for 61 min.

The area

The counties it named.

The facts

Issued: Jul 31, 1995, 2:44 PM CDT (19:44 UTC)
Expired: Jul 31, 1995, 3:45 PM CDT
In force: 61 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Clay County, IL, Wayne County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.7 hours before the alert went out and 174 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 327 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1093 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 13 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 KEVV 311945 RRA
SVREVV
ILC025-191-312045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
244 PM CDT MON JUL 31 1995
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST ILLINOIS
 
   ...CLAY COUNTY...WAYNE COUNTY
 
AT 245 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 50 MILES NORTHWEST OF
EVANSVILLE NEAR FAIRFIELD AND WAS MOVING TOWARD CISNE ILLINOIS...THIS
SEVERE STORM WILL REACH FLORA AND CLAY CITY BY 3 PM CDT.
 
IF YOU ARE IN THE PATH OF THIS SEVERE THUNDERSTORM...TAKE COVER
IMMEDIATELY.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOdPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
ZIMMER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 31, 10:29 AM CDT, 4 hours 15 minutes before

INZ002>089-312100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1029 AM EST MON JUL 31 1995

...HOT WEATHER WILL CONTINUE ACROSS INDIANA THIS AFTERNOON AND ACROSS
SOUTHERN INDIANA TUESDAY...

TEMPERATURES WILL RISE INTO THE MIDDLE 90S THIS AFTERNOON. THE
TEMPERATURE COMBINED WITH THE RELATIVE HUMIDITY WILL CREATE HEAT
INDICES BETWEEN 95 AND 105 DURING THE LATE MORNING AND AFTERNOON.
TEMPERATURES WILL REACH THE LOWER TO MIDDLE 90S OVER SOUTHERN INDIANA
TUESDAY. HEAT INDICES WILL AGAIN BE BETWEEN 95 AND 105. NORTH INDIANA
WILL NOT BE AS HOT TUESDAY.

PROLONGED EXPOSURE TO THE HEAT...OR PHYSICAL ACTIVITY IN THE
HEAT...MAY CAUSE HEAT RELATED HEALTH PROBLEMS. DECREASE THE HEAT
STRESS ON YOUR BODY BY DRINKING PLENTY OF WATER. TRY TO GET TO AREAS
OF SHADE OR AN AIR CONDITIONED AREA FREQUENTLY. DO NOT LEAVE CHILDREN
OR ANIMALS UNATTENDED IN VEHICLES.

TMA

Nearby

Severe Thunderstorm Warnings in Illinois, 1995 Every 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.