Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 95, NWS Indianapolis, IN

July 9, 1990Boone County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 9, 1990, 5:12 PM EST for Boone County, Indiana. It was in force for 33 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
Jul 9, 1990, 5:12 PM EST (22:12 UTC)
Expired
Jul 9, 1990, 5:45 PM EST
In force
33 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Boone 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
Jul 9, 5:25 PM ESTThunderstorm Wind 0Boone, 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 12:00Z, 10.2 hours before the alert went out and 194 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 1990-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1078 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 12:00Z on 1990-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
1078 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 092218
SVRIND
INC011-092245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
512 PM EST MON JUL 9 1990
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL INDIANA
          ...BOONE
 
NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM 25 MILES
SOUTHEAST OF LAFAYETTE NEAR THORNTOWN AT 510 PM EST. THE STORM WAS
MOVING EAST SOUTHEAST AT 25 MILES PER HOUR TOWARD THE TOWN OF LEBANON.
PEOPLE IN THE PATH OF THE STORM SHOULD TAKE COVER IMMEDIATELY.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND 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 ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Jul 9, 3:13 PM EST, 1 hour 59 minutes before
INZ004>010-100200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
313 PM EST MON JUL 9  1990

IN INDIANA THIS SEVERE THUNDERSTORM WATCH IS IN EFFECT
UNTIL 900 PM EST AND INCLUDES THAT PART OF INDIANA...
NORTH OF A LINE FROM 10 WEST OF TERRE HAUTE TO 40 MILES SOUTH
OF RICHMOND...AND SOUTH OF A LINE FROM 30 MILES NORTHEAST OF
FORT WAYNE TO 40 SOUTH OF GARY.

SOME CITIES INCLUDED ARE... FORT WAYNE...INDIANAPOLIS...MUNCIE
...KOKOMO...RICHMOND...ANDERSON...LAFAYETTE AND TERRE HAUTE.

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.

WJG
Special weather statement, Jul 9, 4:03 PM EST, 1 hour 9 minutes before
INZ004>010-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
400 PM EST MON JUL 9  1990

AT 350 PM EST RADAR SHOWED THUNDERTORMS FROM MUNCIE WEST TO LAFAYETTE.

THESE STORMS WERE EAST SOUTHEAST AT 30 MILES AN HOUR AND WILL
MOVE INTO THE AREA FROM MUNCIE WEST THROUGH ANDERSON...ARCADIA...
KIRKLIN...AND LINDEN WHICH IS 10 MILES NORTH OF CRAWFORDSVILLE BY
BY 430 PM EST.

PEOPLE IN THE PATH OF THESE STORMS SHOULD BE ALE}RT FOR DAMAGING WINDS
...LARGE HAIL AND HEAVY RAIN FALL.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR
MUCH OF NORTHERN AND CENTRAL INDIANA.

WJG
Special weather statement, Jul 9, 4:07 PM EST, 1 hour 5 minutes before
INZ004>010-092100-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
400 PM EST MON JUL 9  1990

AT 350 PM EST RADAR SHOWED THUNDERTORMS FROM MUNCIE WEST TO LAFAYETTE.

THESE STORMS WERE MOVING EAST SOUTHEAST AT 30 MILES AN HOUR AND WILL
MOVE INTO THE AREA FROM MUNCIE WEST THROUGH ANDERSON...ARCADIA...
KIRKLIN...AND LINDEN WHICH IS 10 MILES NORTH OF CRAWFORDSVILLE BY
BY 430 PM EST.

PEOPLE IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR DAMAGING WINDS
...LARGE HAIL AND HEAVY RAIN FALL.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR
MUCH OF NORTHERN AND CENTRAL INDIANA.

WJG
ADD WORD TO 2ND PARO
Local storm report, Jul 9, 4:30 PM EST, 42 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
430 PM EST MON JUL 9 1990

340 PM EST TWO TREES DOWN ACROSS THE ROAD IN THE TOWN OF NORTH
           GROVE IN SOUTHEAST MIAMI COUNTY.

412 PM EST  FUNNEL CLOUD NEAR GASTON IN NORTHWEST DELAWARE COUNTY.
            ALSO 50 MILE PER HOUR WINDS IN SAME LOCATION.

MPD
Special weather statement, Jul 9, 4:49 PM EST, 23 minutes before
INZ004>010-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
447 PM EST MON JUL 9  1990

THE SEVERE THUUNDERSTORM WARNING FOR NORTHERN BOONE AND NORTHEAST
MONTGOMERY COUNTIES HAS EXPIRED.

AT 445 PM EST STRONG THUNDERSTORMS WERE STILL OVER PARTS OF BOONE AND
HENDRICKS COUNTIES.

STRONG THUNDERSTORMS WILL BE MOVING INTO THE INDIANAPOLOS METROPOLITAN
AREA BETWEEN 5 AND 530 PM EST.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST FOR MUCH OF
CENTRAL AND NORTHERN INDIANA.

PRICE
Special weather statement, Jul 9, 5:03 PM EST, 9 minutes before
INZ010-092230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
501 PM EST MON JUL 9  1990

THE SEVERE THUUNDERSTORM WARNING FOR DELAWARE COUNTY HAS EXPIRED.

AT 5 PM EST SHOWERS AND THUNDERSHOWERS WERE STILL OVER DELAWARE COUNTY
BUT THE STRONG THUNDERSTORMS HAVE MOVED OUT OF THE COUNTY.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST FOR MUCH OF
CENTRAL AND NORTHERN INDIANA.

PRICE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 3:14 PM ESTSevere Thunderstorm WarningINDTipton31 min
Jul 9, 4:10 PM ESTSevere Thunderstorm WarningINDBoone, Montgomery35 min
Jul 9, 4:25 PM ESTSevere Thunderstorm WarningINDDelaware35 min
Jul 9, 4:56 PM ESTSevere Thunderstorm WarningINDRandolph34 min
Jul 9, 5:43 PM ESTSevere Thunderstorm WarningINDBoone47 min
Jul 9, 6:19 PM ESTFlash Flood WarningINDBoone3 hr

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.