Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 2, NWS Northern Indiana

April 14, 1987Huntington County, Whitley County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 14, 1987, 4:00 PM EST for Huntington County, Whitley County, Indiana. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Apr 14, 1987, 4:00 PM EST (21:00 UTC)
Expired
Apr 14, 1987, 4:30 PM EST
In force
30 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Huntington County, IN, Whitley 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 12:00Z, 9.0 hours before the alert went out and 163 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 12:00Z on 1987-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Dayton/James M C, OH at 12:00Z on 1987-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
909 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
156 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 KFWA 142100
SVRFWA
INC069-183-142130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WAYNE IN
400 PM EST TUE APR 14 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 430 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

NORTHEAST INDIANA...NORTHWEST HUNTINGTON AND WHITLEY

AT 354 PM EST RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES
SOUTHWEST OF FORT WAYNE INDIANA OR 10 MILES WEST OF HUNTINGTON
IN NORTHEAST INDIANA MOVING TOWARD THE NORTHEAST AT 40 MPH.

AT 345 PM 3/4 INCH HAIL WAS REPORTED AT WABASH INDIANA.

REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING..AND HEAVY RAIN THAT CAN
QUICKLY FLOOD A LOW LYING AREA. REPORT SEVERE WEATHER TO THE NEAREST
LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

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 14, 2:51 PM EST, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
250 PM EST TUE APR 14 1987

...THUNDERSTORMS MOVING TOWARD NORTHEAST INDIANA...

AT 245 PM EST THUNDERSTORMS WITH HEAVY RAIN WERE LOCATED FROM 30 MILES
SOUTHWEST OF MARION IN GRANT COUNTY OF NORTHEAST INDIANA TO 10 MILES
NORTHWEST OF KOKOMO IN HOWARD COUNTY OF NORTH CENTRAL INDIANA. THESE
THUNDERSTORMS WERE MOVING NORTH NORTHEAST AT 30 MPH. BY 345PM EST THESE
THUNDERSTORMS WILL BE LOCATED FROM MARION TO 45 MILES WEST OF FORT WAYNE
OR NEAR AKRON IN FULTON COUNTY INDIANA.

THESE THUNDERSTORMS WILL PRODUCE HEAVY RAIN, SMALL HAIL AND STRONG GUSTY
WINDS AS THEY MOVE INTO NORTHEAST INDIANA.
HAYES
Special weather statement, Apr 14, 3:02 PM EST, 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
300 PM EST TUE APR 14 1987

...THUNDERSTORMS OVER NORTHWEST INDIANA AND SHOWERS IN SOUTHWEST
LOWER MICHIGAN...

AT 3PM EST...SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER NORTHWEST
INDIANA...SOUTHERN LAKE MICHIGAN...NORTHEST ILLINOIS...AND SOUTHWEST
LOWER MICHIGAN.

THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL AND POSSIBLY SOME STRONG
GUSTY WINDS WERE LOCATED FROM GARY INDIANA TO VALPARAISO INDIANA
AND NEAR WINAMAC AND LOGANSPORT INDIANA.

OTHER SHOWERS WERE OVER SOUTHWEST LOWER MICHIGAN FROM STURGIS TO
DECATUR AND IN THE BARRIEN SPRINGS AREA.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTH AROUND 40 MPH.
MOWERY
Special weather statement, Apr 14, 3:40 PM EST, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
340 PM EST TUE APR 14 1987

...THUNDERSTORMS INTENSIFING IN NORTHERN INDIANA...

AT 330 PM EST...THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN A LINE
ABOUT 10 MILES WIDE THAT EXTENDED FROM JUST WEST OF MICHIGAN CITY
INDIANA...25 MILES WEST OF SOUTH BEND...THROUGH ROCHESTER INDIANA...
40 MILES SOUTH OF SOUTH BEND...TO NEAR WABASH INDIANA.

STRONG GUSTY WINDS ALONG WITH BRIEF FLOODING OF STREETS AND RAODWAYS
WILL LIKELY OCCUR WITH THE LINE OF THUNDERSTORMS AS IT MOVES NORTH
AT 30 MPH.

OTHER SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER MOST OF NORTHWEST
INDIANA...SOUTHWEST LOWER MICHIGAN...AND SOUTHERN LAKE MICHIGAN.
MOWERY

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 14, 3:31 PM ESTSevere Thunderstorm WarningIWXWabash29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1987Every severe thunderstorm warning in 1987

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.