Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 31, NWS Northern Indiana

September 22, 1990Wells County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Sep 22, 1990, 5:42 PM EST for Wells County, Indiana. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Sep 22, 1990, 5:42 PM EST (22:42 UTC)
Expired
Sep 22, 1990, 6:15 PM EST
In force
33 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Wells 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, 10.7 hours before the alert went out and 126 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 1990-09-22Temperature 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 1990-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -101 square meters per square second.1939587897Sfc1 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
1090 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-101 m²/s²
0-3 km storm-relative helicity
-28 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 222242
SVRFWA
INC179-222315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE FORT WAYNE IN
542 PM EST SAT SEP 22 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 615 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF INDIANA
      CENTRAL SOUTH WELLS

AT 535 PM EST RADAR SHOWED A SEVERE THUNDERSTORM LOCATED 15 MILES
SOUTH OF FORT WAYNE OR NEAR BLUFFTON INDIANA.  AMATEUR RADIO
OPERATORS AND RETIRED WEATHER SERVICE PERSONNEL REPORTED 3/4 INCH
DIAMETER HAIL WITH THIS THUNDERSTORM.

THE STORM IS MOVING SOUTHEAST AT 15 MILES AN HOUR.

PEOPLE IN THE AREA AROUND THE CITY OF BLUFFTON INDIANA
ARE IN THE PATH OF THIS STORM SHOULD SEEK SHELTER IN A STRONG
BUILDING. DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES
UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD AVOID LOW WATER
CROSSINGS.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 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.

SALSBURY

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, Sep 22, 5:01 PM EST, 41 minutes before
INZ003-005-OHZ001-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
500 PM EST SAT SEP 22 1990

...HAIL FALLING OVER SOUTH HALF OF FORT WAYNE...

AT 450 PM EST...AMATEUR RADIO OPERATORS AND OFF DUTY WEATHER SERVICE
PERSONNEL REPORTED DIME TO NICKLE SIZE HAIL IN THE VICINITY OF
SOUTHGATE MALL.  THE THUNDERSTORM PRODUCING THE HAIL WAS MOVING
SOUTHEAST AT 15 MILES AN HOUR.

PERSONS IN THE SOUTHEAST PART OF FORT WAYNE SHOULD BjE ALERT FOR THIS
THUNDERSTORM AND TAKE PROTECTIVE MEASURES IF NECESSARY.

A LINE OF THUNDERSTORMS WAS LOCATED FROM DEFIANCE OHIO TO FORT WAYNE TO
MARION INDIANA.  THIS LINE WAS MOVING SOUTHEAST AT 15 MILES AN HOUR.

SALSBURY

Nearby

Severe Thunderstorm Warnings in Indiana, 1990Every severe thunderstorm warning in 1990

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.