Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 174, NWS Indianapolis, IN

October 3, 1990Hamilton County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Oct 3, 1990, 9:40 PM EST for Hamilton County, Marion County, Indiana. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Oct 3, 1990, 9:40 PM EST (02:40 UTC)
Expired
Oct 3, 1990, 10:15 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Hamilton County, IN, Marion 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, 2.7 hours before the alert went out and 162 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 1990-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1990-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
442 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 040245
SVRIND
INC057-095-097-040315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
940 PM EST WED OCT 3 1990
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN CENTRAL INDIANA
          ...EASTERN HAMILTON...MADISON...MARION
 
A LINE OF SEVERE THUNDERSTORMS WAS FROM 15 MILES NORTHWEST OF ANDERSON
TO THE WEST SIDE OF INDIANAPOLIS MOVING EAST AT 45 MPH AT 945 PM EST.
THE STORMS BLEW DOWN TREE LIMBS AND POWER LINES IN SHERIDAN...20 MILES
NORTH OF INDIANAPOLIS AT 935 PM.
 
PEOPLE IN ANDERSON...AND INDIANAPOLIS SHOULD STAY INDOORS AWAY FROM
WINDOWS TIL THE STORMS PASS.
 
ALLSOPP

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, Oct 3, 9:16 PM EST, 24 minutes before
INZ005-007-008-009-012-040300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
915 PM EST WED OCT 3 1990

A LINE OF STRONG THUNDERSTORMS WAS PRODUCING STRONG GUSTY WINDS AND
TORRENTIAL RAIN AS IT MOVED RAPIDLY EAST THROUGH INDIANA THIS EVENING.

AT 905 PM EST CLINTON COUNTY SHERIFFS DEPARTMENT REPORTED THAT TREES
WERE KNOCKED DOWN BY GUSTY WINDS IN FRANKFORT...40 MILES NORTHWEST OF
INDIANAPOLIS. STATE POLICE REPORTED A FEW LIMBS DOWN AT ROACHDALE AND
NORTH SALEM...30 MILES WEST OF INDIANAPOLIS.

AT 910 PM THE LINE OF STORMS WAS FROM KOKOMO TO DANVILLE TO SULLIVAN.
THE STORMS WERE MOVING EAST AT 40 TO 50 MPH AND WILL MOVE THROUGH
TIPTON...NOBLESVILLE...INDIANAPOLIS...MOORSEVILLE AND SPENCER BETWEEN
915 AND 10 PM.

PEOPLE IN CENTRAL INDIANA SHOULD STAY INDOORS AWAY FROM WINDOWS TIL THE
STORMS PASS. GUSTY WINDS MAY DOWN TREE LIMBS AND POWER LINES. HEAVY
RAIN WILL BRIEFLY DROP VISIBILITY TO NEAR ZERO AND CAUSE PONDIN}G OF
WATER ON ROADS.

ALLSOPP
Local storm report, Oct 3, 9:35 PM EST, 5 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
930 PM EST WED OCT 3 1990

AT 900 PM THUNDERSTORM WINDS CAUSED EXTENSIVE DAMAGE IN THE FRANKFORT
AREA...IN CLINTON COUNTY. TREES WERE BLOWN DOWN OR UPROOTED. SIGNS WERE
KNOCKED DOWN...AND A CAR WAS SPUN AROUND IN THE ROAD. A BARN WAS
DESTROYED A MILE EAST OF FRANKFORT.

ALLSOPP

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 3, 9:40 PM ESTSevere Thunderstorm WarningINDMadison35 min

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.