Alert archive / Indiana / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 67, NWS Indianapolis, IN

June 8, 1990Knox County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 8, 1990, 7:09 PM EST for Knox County, Indiana. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1990, 7:09 PM EST (00:09 UTC)
Expired
Jun 8, 1990, 7:45 PM EST
In force
36 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Knox 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

Paducah/Barkley, KY (KPAH), launched 00:00Z, 0.2 hours before the alert went out and 212 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, Paducah/Barkley, KY at 00:00Z on 1990-06-09Temperature 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, Paducah/Barkley, KY at 00:00Z on 1990-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939Sfc1 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
0 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
-11 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 KEVV 090010
SVREVV
INC083-090045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
709 PM CDT (709 PM EST) FRI JUN 8 1990
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM CDT (745 PM EST)
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHWEST INDIANA
          ...KNOX
 
AT 708 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTH
OF VINCENNES INDIANA. NICKEL SIZE HAIL WAS REPORTED WITH THIS STORM
AT 700 PM. THE STORM WAS MOVING EAST AT 30 MPH...AND WILL MOVE INTO
THE BICKNELL AND WESTPHALIA AREAS BY 715. TAKE COVER IMEDIATELY IF YOU
ARE IN THE PATH OF THIS STORM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
WHEN THUNDERSTORMS ARE OCCURRI^NG...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
RUNNELS

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, Jun 8, 4:25 PM EST, 2 hours 44 minutes before
INZALL-082300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
424 PM EST FRI JUN 8 1990

AT 420 PM EST ISOLATED THUNDERSTORMS WERE 10 MILES SOUTHWEST AND
10 MILES NORTHEAST OF MARION. THE STORM NORTHEAST OF MARION WAS
PRODUCING 40 MPH WINDS AND TORRENTIAL RAIN NEAR I-69 AT 420 PM.

OTHER THUNDERSTORMS WERE WIDELY SCATTERED IN CENTRAL AND SOUTH ILLINOIS
AND IN EXTREME SOUTHERN INDIANA NEAR THE OHIO RIVER.

THERE IS A TORNADO WATCH IN EFFECT FOR CENTRAL AND PART OF NORTHEAST
INDIANA UNTIL 900 PM EST. PEOPLE IN THE TORNADO WATCH SHOULD BE ALERT
TO THE POTENTIAL FOR SEVERE THUNDERSTORMS WITH TORRENTIAL RAIN...HAIL
...DAMAGING WINDS AND THE POSSIBILITY OF TORNADOES.

LISTEzN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

ALLSOPP
Special weather statement, Jun 8, 5:01 PM EST, 2 hours 8 minutes before
INZALL-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
500 PM EST FRI JUN 8 1990

A TORNADO WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND NORTHEAST INDIANA
UNTIL 900 PM EST AND FOR SOUTHWEST INDIANA UNTIL 1100 PM EST. LAFAYETTE
...FORT WAYNE...TERRE HAUTE...INDIANAPOLIS...MUNCIE...RICHMOND...AND
EVANSVILLE ARE IN THE WATCH.

AT 455 PM EST RADAR SHOWED NEW THUNDERSTORMS DEVELOPING FROM JUST
SOUTHWEST OF BEDFORD TO NORTH OF NASHVILLE TO 15 MILES EAST OF
BEDFORD.

A STRONG THUNDERSTORM WAS 10 MILES NORTHWEST OF TERRE HAUTE NEAR PARIS
ILLINOIS.

THESE STORMS MAY PRODUCE TORRENTIAL RAIN...FREQUENT DANGEROUS LIGHTNING
...GUSTY WINDS AND POSSIBLY SMALL HAIL. THE STORMS WERE MOVING EAST AT
35 MPH.

STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

ALLSOPP
Special weather statement, Jun 8, 5:27 PM EST, 1 hour 42 minutes before
INZALL-092330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
527 PM EST FRI JUN 8 1990

A TORNADO WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND NORTHEAST INDIANA
UNTIL 900 PM EST AND FOR SOUTHWEST INDIANA UNTIL 1100 PM EST. LAFAYETTE
...FORT WAYNE...TERRE HAUTE...INDIANAPOLIS...MUNCIE...RICHMOND...AND
EVANSVILLE ARE IN THE WATCH.

AT 525 PM EST RADAR SHOWED WIDELY SCATTERED THUNDERSTORMS IN A NARROW
LINE FROM JUST NORTH OF TERRE HAUTE TO CRAWFORDSVILLE...FRANKFORT AND
KOKOMO AND EAST TO 10 MILES NORTH OF MUNCIE. AN ISOLATED THUNDERSTORM
WAS NEAR VINCENNES IN SOUTHWEST INDIANA.

THESE STORMS MAY PRODUCE BRIEF HEAVY RAIN AND LIGHTNING AS THEY MOVE
EAST AT 35 MPH.

STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

ALLSOPP
Special weather statement, Jun 8, 6:07 PM EST, 1 hour 2 minutes before
INZ011>015-090400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
605 PM EST FRI JUN 8 1990

IN INDIANA TORNADO  WATCH NUMBER 423 IS IN EFFECT
UNTIL 11 PM  EST AND INCLUDES THAT PART OF INDIANA...

EAST OF A LINE FROM 10 MILES SOUTH OF GREENCASTLE TO TELL CITY...AND
SOUTH OF A LINE FROM 10 MILES SOUTH OF GREENCASTLE TO 20 MILES SOUTH
OF RICHMOND.

SOME CITIES INCLUDED ARE... BLOMINGTON...BEDFORD...COLUMBUS...
SEYMOUR...BROOKVILLE AND MADISON.

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.
STEIGERWALDT
Special weather statement, Jun 8, 6:23 PM EST, 46 minutes before
INZ004>015-090030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
622 PM EST FRI JUN 8 1990

A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND PART OF NORTHEAST INDIANA
UNTIL 900 PM EST AND FOR SOUTHERN INDIANA UNTIL 1100 PM EST. ALL OF
INDIANA EXCEPT THE FAR NORTH IS NOW UNDER A TORNADO WATCH.

AT 620 PM EST RADAR SHOWED ISOLATED VERY STRONG THUNDERSTORMS FROM
NORTH OF A VINCENNES TO NORTH OF WASHINGTON AND JUST EAST OF JASPER
IN SOUTHWEST INDIANA. AN ISOLATED THUNDERSHOWER WAS 5 MILES WEST OF
BEDFORD IN SOUTH CENTRAL INDIANA AND 10 MILES SOUTH OF MARION IN
EAST CENTRAL INDIANA.

OTHER THUNDERSHOWERS WERE IN CENTRAL ILLINOIS. SHOWERS AND
THUNDERSTORMS WERE MOVING EAST  AT 35 MPH.

LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

ALLSOPP
Special weather statement, Jun 8, 6:56 PM EST, 13 minutes before
INZ004>015-090030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
655 PM EST FRI JUN 8 1990

A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND PART OF NORTHEAST INDIANA
UNTIL 900 PM EST AND FOR SOUTHERN INDIANA UNTIL 1100 PM EST. ALL OF
INDIANA EXCEPT THE FAR NORTH IS NOW UNDER A TORNADO WATCH.

AT 650 PM EST RADAR SHOWED ISOLATED VERY STRONG THUNDERSTORMS FROM
JUST NORTH OF A VINCENNES TO SOUTHWEST OF PAOLI. THESE STORMS WERE
PRODUCING TORRENTIAL RAIN AND SMALL HAIL.

AN ISOLATED THUNDERSHOWER WAS 20 MILES SOUTH OF LAWRENCEBURG IN
EXTREME SOUTHEAST INDIANA. THERE WAS NO PRECIPITATION IN NORTH OR
CENTRAL INDIANA OR CENTRAL ILLINOIS.

LISTEN FOR LATER STATEMENTS.

ALNLSOPP
ALLSOPP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 3:51 AM ESTSevere Thunderstorm WarningINDDelaware, Madison39 min
Jun 9, 4:44 AM ESTFlash Flood WarningINDDelaware, Madison2 hr
Jun 9, 5:06 AM ESTFlash Flood WarningINDRandolph2 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; the sounding from the Mesonet's radiosonde archive.