Alert archive / Indiana / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 149, NWS Indianapolis, IN

August 3, 1991Martin County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 3, 1991, 4:41 PM EST for Martin County, Indiana. It was in force for 28 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 3, 1991, 4:41 PM EST (21:41 UTC)
Expired
Aug 3, 1991, 5:09 PM EST
In force
28 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Martin County, IN

What was reported inside it

TimeReportWhereRemark
Aug 3, 4:44 PM ESTThunderstorm Wind 0Martin, 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

Paducah/Barkley, KY (KPAH), launched 12:00Z, 9.7 hours before the alert went out and 247 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 12:00Z on 1991-08-03Temperature 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 12:00Z on 1991-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 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
5 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 3, 4:34 PM EST, 7 minutes before
INZ008-012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
430 PM EST SAT AUG 3 1991

AT 425 PM EST...THERE WAS A CLUSTER OF VERY STRONG THUNDERSTORMS ALONG
THE GRRENE/KNOX COUNTY LINE OR ABOUT 30 MILES SOUTHEAST OF TERRE HAUTE.
THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR.

ONE OF THE STRONG STORMS WAS JUST SOUTH OF LINTON AND WILL BE IN THE
NEWBERRY...LYONS AND BLOOMFIELD AREA BY 445 PM. THESE STORMS WERE
PRODUCING HEAVY RAINFALL...FREQUENT LIGHTNING AND STRONG GUSTY WINDS.

AS THESE STORMS APPROACH YOU SHOULD MOVE INDOOR..STAY AWAY FROM WINDOWS...
AND DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORMS PASS.

BPRUITT
Special weather statement, Aug 3, 4:41 PM EST, 0 minutes before
INZALL-040200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
440 PM EST SAT AUG  3 1991

IN INDIANA THIS SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST
AND INCLUDES THAT PART OF INDIANA...

SOUTH OF A LINE FROM 25 MILES SOUTH OF TERRE HAUTE TO 15 MILES NORTH
OF LAWRENCEBURG.

SOME CITIES INCLUDED ARE... SULLIVAN...BEDFORD...PAOLI...
VERSAILLES...EVANSVILLE...TELL CITY...SALEM AND MADISON.

REMEMBER...A WATCH MEANS TDHAT 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

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 3:58 PM ESTSevere Thunderstorm WarningINDKnox32 min
Aug 3, 4:13 PM ESTSevere Thunderstorm WarningINDDaviess32 min
Aug 3, 6:11 PM ESTSevere Thunderstorm WarningINDMorgan34 min
Aug 3, 6:42 PM ESTSevere Thunderstorm WarningINDJohnson33 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1991Every severe thunderstorm warning in 1991

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.