Alert archive / Indiana / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 13, NWS Indianapolis, IN

April 5, 1988Cass County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 5, 1988, 11:24 PM EST for Cass County, Indiana. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Apr 5, 1988, 11:24 PM EST (04:24 UTC)
Expired
Apr 6, 1988, 12:00 AM EST
In force
36 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Cass County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 4.4 hours before the alert went out and 206 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, Dayton/James M C, OH at 00:00Z on 1988-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 79 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 00:00Z on 1988-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 km3 km6 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
79 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
2440 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
256 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 KIND 060423
SVRIND
INC017-060500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1124 PM EST TUE APR 5 1988
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTH CENTRAL INDIANA
          ...EASTERN CASS
 
AT 1115 PM EST INDIANAPOLIS RADAR SHOWED A SEVERE THUNDERSTORM OVER
WEST CENTRAL CASS COUNTY... OR ABOUT 3 TO 5 MILES WEST OF LOGANSPORT,
INDIANA.
 
THIS THUNDERSTORM IS MOVING TO THE EAST AT 40 MILES AN HOUR.
 
PEOPLE IN THE CITY OF LOGANSPORT SHOULD SEEK SHELTER IMMEDIATELY.
 
 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
PRZYBYLINSKI

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, Apr 5, 8:32 PM EST, 2 hours 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
830 PM EST TUE APR 5 1988

AT 825 PM EST...THERE WERE NO SEVERE WEATHER WATCHES VALID OVER
THE STATE OF INDIANA.

HOWEVER A TORNADO WATCH IS IN EFFECT FOR MOST OF ILLINOIS TIL 100 AM
EST WEDNESDAY MORNING.

SEVERAL SEVERE THUNDERSTORMS WERE OCCURING OVER PARTS NORTHERN AND
CENTRAL ILLINOIS BETWEEN 815 PM AND 830 PM EST THIS EVENING.

THESE INTENSE THUNDERSTORMS WILL LIKELYB MOVE ACROSS PARTS OF NORTHERN
AND CENTRAL INDIANA LATER TONIGHT.

PEOPLE IN NORTHERN AND CENTRAL INDIANA SHOULD CONTINUE TO MONITOR THE
WEATHER CONDITIONS FOR THE POTENTIAL SEVERE WEATHER.
PRZYBYLINSKI
Special weather statement, Apr 5, 9:51 PM EST, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
950 PM EST TUE APR 5 1988

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF NORTHERN AND
CENTRAL INDIANA FROM 10 PM EST THIS EVENING UNTIL 3 AM EST WEDNESDAY
MORNING.

THIS WATCH IS NORTH OF A LINE FROM TERRE HAUTE TO RUSHVILLE...AND
WEST OF A LINE FROM RUSHVILLE IN EAST CENTRAL INDIANA TO ANGOLA IN
EXTREME NORTHEAST INDIANA.

STRONG THUNDERSTORMS WERE OCCURRING WEST OF INDIANA THIS EVENING IN
ADVANCE OF A COLD FRONT.

AT 945 PM EST SHOWERS AND THUNDERSTORMS HAD JUST ENTERED THE EXTREME
NORTHWEST CORNER OF INDIANA. OTHER THUNDERSTORMS WERE OVER EASTERN
ILLINOIS. THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

PRICE
Special weather statement, Apr 5, 10:40 PM EST, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1038 PM EST TUE APR 5 1988

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTHERN HALF OF
INDIANA TIL 300 AM EST THIS WEDNESDAY MORNING.

NO SEVERE WEATHER HAS BEEN REPORTED OVER CENTRAL SECTIONS OF INDIANA
BETWEEN 1000 AND 1030 PM EST.

AT 1030 PM EST WEATHER SERVICE RADAR AT INDIANAPOLIS SHOWED A AREA
OF VERY STRONG THUNDERSTORMS EXTENDING ACROSS PARTS OF NORTHWEST AND
WEST CENTRAL INDIANA...AND EXTREME EAST CENTRAL ILLINOIS.

THE AREA OF THUNDERSTORMS EXTEDED FROM 40 MILES NORTHWEST OF LAFAYETTE
TO 60 MILES SOUTHWEST OF LAFAYETTE TO 50 MILES NORTHWEST OF TERRE HAUTE.

THE STRONGEST THUNDERSTORMS WERE LOCATED ABOUT 30 MILES WEST SOUTHWEST
OF LAFAYETTE...NEAR WILLIAMSPORT AND 40 MILES WEST NORTHWEST OF
TERRE HAUTE.
.
STRONG AND GUSTY SURFACE WINDS...HEAVY DOWNPOURS...SOME HAIL AND
DANGEROUS LIGHTNING WILL ACCOMPANY SOME OF THE STRONGER THUNDERSTORMS.

THE THUNDERSTORMS WERE MOVING NORTHEAST 35 TO 40 MILES AN HOUR.
PRZYBYLINSKI
Special weather statement, Apr 5, 11:00 PM EST, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1055 PM EST TUE APR 5 1988

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTHERN HALF OF
INDIANA TIL 300 AM EST THIS WEDNESDAY MORNING.

BETWEEN 1040 AND 1045 PM EST AN AMATEUR RADIO OPERATOR REPORTED WINDS
OF 50 TO 55 MILES AN HOUR IN NORTHWEST CARROLL COUNTY IN PATTON.

AT 1045 PM EST THE LAFAYETTE AIRPORT MEASURED A WIND GUST OF NEAR
55 MILES AN HOUR.

THESE STRONG WINDS WERE OCCURRING ABOUT 5 MILES AHEAD OF A LINE
OF THUNDERSTORMS. WINDS TO 50 MILES AN HOUR CAN BE EXPECTED IN
NORTH CENTRAL INDIANA COUNTIES FROM LAFAYETTE TO PERU BETWEEN
11PM AND 1130 PM EST.
EDWARDS

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 5, 10:38 PM ESTSevere Thunderstorm WarningINDLaPorte37 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1988Every severe thunderstorm warning in 1988

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.