Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 14, NWS Indianapolis, IN

March 28, 1997Martin County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 28, 1997, 7:40 PM EST for Martin County, Indiana. It was in force for 35 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
Mar 28, 1997, 7:40 PM EST (00:40 UTC)
Expired
Mar 28, 1997, 8:15 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Martin County, IN

What was reported inside it

TimeReportWhereRemark
Mar 28, 7:50 PM ESTThunderstorm WindLoogootee, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 28, 6:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.7 hours before the alert went out and 223 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, Lincoln, IL at 00:00Z on 1997-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 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, Lincoln, IL at 00:00Z on 1997-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 square meters per square second.1939587897Sfc1 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
158 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 290043 RRA
SVRIND
INC101-290115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
740 PM EST FRI MAR 28 1997
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST INDIANA
 
   ...MARTIN COUNTY
 
A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED FOR MARTIN COUNTY OF
SOUTHWEST INDIANA UNTIL 815 PM EST. SEVERE THUNDERSTORMS HAVE MOVED FROM
THE KNOX COUNTY AREA AT 40 MPH AND HAVE MOVED INTO THE WESTERN EDGE OF
MARTIN COUNTY AT 742 PM EST.
 
REPORTS OF HEAVY-DUTY ELECTRICAL POWER TRANSMISSION TOWER BEING TOPPLED
IN THE MONROE CITY AREA OF KNOX COUNTY. THESE STORMS HAVE THE POTENTIAL
OF DEADLY LIGHTNING...LARGE HAIL AND VERY DAMAGING THUNDERSTORM WINDS.
 
 
 
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.
 
 
BPRUITT
&

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, Mar 28, 6:35 PM EST, 1 hour 5 minutes before
INZ054-062-290000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
635 PM EST FRI MAR 28 1997

AT 629 PM EST...AMATEUR RADIO SPOTTERS REPORTED NICKEL SIZED HAIL ON
US37 JUST SOUTH OF THE MORGAN COUNTY LINE.

IF DANGEROUS WEATHER APPROACHES...TAKE COVER.

CONLEY

&
Special weather statement, Mar 28, 6:37 PM EST, 1 hour 3 minutes before
INZ054-062-290000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
635 PM EST FRI MAR 28 1997

AT 629 PM EST...AMATEUR RADIO SPOTTERS REPORTED NICKEL SIZED HAIL ON
US37 JUST SOUTH OF THE MORGAN COUNTY LINE.

IF DANGEROUS WEATHER APPROACHES...TAKE COVER.

CONLEY

&
Local storm report, Mar 28, 7:06 PM EST, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
706 PM EST FRI MAR 28 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

704 PM                                    HAIL
3/28/97    MONROE                    IN   NICKEL TO QUARTER SIZED
LC
Local storm report, Mar 28, 7:09 PM EST, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
706 PM EST FRI MAR 28 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

704 PM                                    HAIL
3/28/97    MONROE                    IN   NICKEL TO QUARTER SIZED
LC

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 7:07 PM ESTTornado WarningINDHancock68 min
Mar 28, 7:21 PM ESTSevere Thunderstorm WarningINDJohnson54 min
Mar 28, 7:26 PM ESTSevere Thunderstorm WarningINDDaviess49 min
Mar 28, 7:30 PM ESTTornado WarningINDHenry60 min
Mar 28, 7:56 PM ESTSevere Thunderstorm WarningINDShelby34 min
Mar 28, 8:02 PM ESTSevere Thunderstorm WarningINDHancock58 min
Mar 28, 8:09 PM ESTSevere Thunderstorm WarningINDCarroll36 min
Mar 28, 8:26 PM ESTTornado WarningINDRush49 min
Mar 28, 8:27 PM ESTSevere Thunderstorm WarningINDCass, Miami48 min
Mar 28, 8:42 PM ESTSevere Thunderstorm WarningINDJennings48 min
Mar 28, 8:53 PM ESTTornado WarningINDDecatur52 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1997Every severe thunderstorm warning in 1997

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.