Alert archive / Indiana / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 12, NWS Indianapolis, IN

April 5, 1988LaPorte County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 5, 1988, 10:38 PM CDT for LaPorte County, Indiana. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 5, 1988, 10:38 PM CDT (03:38 UTC)
Expired
Apr 5, 1988, 11:15 PM CDT
In force
37 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County LaPorte County, IN

The radar

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

What was reported inside it

TimeReportWhereRemark
Apr 5, 10:45 PM CDTThunderstorm Wind 61La Porte, IN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 3.6 hours before the alert went out and 282 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 CDT, 2 hours 6 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 CDT, 47 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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 11:24 PM CDTSevere Thunderstorm WarningINDCass36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.