Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 140, NWS Indianapolis, IN

August 28, 1990Hamilton County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 28, 1990, 10:39 PM EST for Hamilton County, Marion County, Indiana. It was in force for 51 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
Aug 28, 1990, 10:39 PM EST (03:39 UTC)
Expired
Aug 28, 1990, 11:30 PM EST
In force
51 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.

What was reported inside it

TimeReportWhereRemark
Aug 28, 10:45 PM ESTHail 0.75Hamilton, 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, 3.7 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 1990-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1965 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 1990-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1965 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1458 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KIND 290339
SVRIND
INC057-097-290430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1039 PM EST TUE AUG 28 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1130 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF INDIANA
      SOUTHERN HAMILTON...EASTERN MARION

AT 1030 PM EST RADAR SHOWED A SEVERE THUNDERSTORM IN SOUTHERN
HAMILTON COUNTY. THIS STORM WAS MOVING SOUTHEAST AT 30 MILES AN
HOUR AND WILL BE MOVING INTO NORTHEAST MARION BY 1050 PM EST THIS
EVENING. PERSONS IN THE TOWNS OF WESTFIELD...NOBLESVILLE AND NORTH-
EAST MARION COUNTY SHOULD BE ALERT TO THIS APPROACHING STORM. IF
THREATENING CONDITIONS ARE SIGHTED MOVE TO A SAFE PLACE AT ONCE.

IF YOU ARE CAUGHT OUTSIDE...FIND 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 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.  HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

 KOLDITZ

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, Aug 28, 7:21 PM EST, 3 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
720  PM EST TUE AUG 28 1990

IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 696 IS IN EFFECT
UNTIL 100  AM EST AND INCLUDES THAT PART OF INDIANA...
NORTH OF A LINE FROM VINCENNES TO MADISON AND SOUTH OF A LINE FROM
10 MILES NORTH WEST OF FAWLER TO BLUFFTON. A SEVERE THUNDERSTORM WATCH
CONTINUES IN EFFECT UNTIL 800PM FOR NORTHWEST INDIANA AND UNTIL 900 PM
FOR NORTHEAST INDIANA.

SOME CITIES INCLUDED ARE... INDIANAPOLIS...MUNCIE...LAFAYETTE...
TERRE HAUTE AND BLOOMINGTON.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 7:00 PM ESTSevere Thunderstorm WarningINDDelaware, Madison45 min
Aug 28, 7:33 PM ESTSevere Thunderstorm WarningINDHancock, Marion42 min
Aug 28, 7:43 PM ESTSevere Thunderstorm WarningINDRandolph, Wayne47 min
Aug 28, 8:13 PM ESTSevere Thunderstorm WarningINDDelaware, Madison47 min
Aug 28, 8:19 PM ESTSevere Thunderstorm WarningINDHoward, Tipton41 min
Aug 28, 8:31 PM ESTSevere Thunderstorm WarningINDRandolph29 min
Aug 28, 8:42 PM ESTSevere Thunderstorm WarningINDFayette33 min
Aug 28, 9:00 PM ESTSevere Thunderstorm WarningINDHamilton, Madison45 min
Aug 28, 9:14 PM ESTSevere Thunderstorm WarningINDHenry46 min
Aug 28, 9:48 PM ESTSevere Thunderstorm WarningINDRush42 min
Aug 28, 9:54 PM ESTSevere Thunderstorm WarningINDWayne36 min
Aug 28, 10:14 PM ESTSevere Thunderstorm WarningINDHancock46 min
Aug 28, 10:21 PM ESTSevere Thunderstorm WarningINDFayette, Union39 min
Aug 28, 11:02 PM ESTFlash Flood WarningINDFayette, Henry, Rush118 min
Aug 28, 11:07 PM ESTSevere Thunderstorm WarningINDHancock53 min
Aug 29, 4:04 AM ESTSevere Thunderstorm WarningINDParke, Vigo41 min
Aug 29, 4:16 AM ESTSevere Thunderstorm WarningINDPutnam29 min
Aug 29, 4:38 AM ESTSevere Thunderstorm WarningINDMorgan37 min
Aug 29, 4:56 AM ESTSevere Thunderstorm WarningINDJohnson34 min
Aug 29, 5:25 AM ESTSevere Thunderstorm WarningINDGreene30 min
Aug 29, 5:29 AM ESTSevere Thunderstorm WarningINDBartholomew31 min
Aug 29, 5:37 AM ESTSevere Thunderstorm WarningINDJackson23 min
Aug 29, 5:38 AM ESTSevere Thunderstorm WarningINDMartin37 min
Aug 29, 5:43 AM ESTSevere Thunderstorm WarningINDJennings32 min
Aug 29, 5:57 AM ESTFlash Flood WarningINDFayette, Rush2 hr
Aug 29, 6:06 AM ESTFlash Flood WarningINDJohnson114 min
Aug 29, 8:46 AM ESTSevere Thunderstorm WarningINDSpencer25 min
Aug 29, 10:57 AM ESTSevere Thunderstorm WarningINDPike33 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.