Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 8, NWS Indianapolis, IN

March 28, 1997Brown County, Monroe County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 28, 1997, 6:45 PM EST for Brown County, Monroe County, Indiana. It was in force for 60 min. 3 reports 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, 6:45 PM EST (23:45 UTC)
Expired
Mar 28, 1997, 7:45 PM EST
In force
60 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Brown County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 59 km from the middle of the area, began a volume at 23:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Mar 28, 6:46 PM ESTHail 1.75Unionville, IN
Mar 28, 7:10 PM ESTThunderstorm WindNashville, IN
Mar 28, 7:45 PM ESTThunderstorm WindBean Blossom, 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 12:00Z, 11.8 hours before the alert went out and 219 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 12:00Z on 1997-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 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 12:00Z on 1997-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 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
127 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
815 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
211 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 282346 RRA
SVRIND
INC013-105-290045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
645 PM EST FRI MAR 28 1997
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL INDIANA
 
   ...BROWN COUNTY...MONROE COUNTY
 
AT 640 PM...A SEVERE THUNDERSTORM WAS IN THE BLOOMINGTON AREA AND WAS
MOVING EAST AT 30 MPH. THEIS STROM WILL MOVE THROUGH THE NASHVILLE AREA
BY 730 PM.
 
AT 640 PM...A SPOTTER IN UNIONSVILLE REPORTED PEA TO MARBLE SIZE HAIL.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORM2S CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
EDDY

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, 10 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, 8 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

&

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 5:03 PM ESTSevere Thunderstorm WarningINDPutnam42 min
Mar 28, 5:22 PM ESTSevere Thunderstorm WarningINDHendricks53 min
Mar 28, 5:32 PM ESTSevere Thunderstorm WarningINDVigo43 min
Mar 28, 5:49 PM ESTSevere Thunderstorm WarningINDMarion56 min
Mar 28, 6:06 PM ESTSevere Thunderstorm WarningINDGreene69 min
Mar 28, 6:14 PM ESTSevere Thunderstorm WarningINDClay, Vigo61 min
Mar 28, 6:27 PM ESTTornado WarningINDClay, Vigo63 min
Mar 28, 6:28 PM ESTTornado WarningINDMarion32 min
Mar 28, 6:40 PM ESTSevere Thunderstorm WarningINDMonroe65 min
Mar 28, 6:50 PM ESTSevere Thunderstorm WarningINDHancock55 min
Mar 28, 6:51 PM ESTSevere Thunderstorm WarningINDKnox69 min
Mar 28, 6:54 PM ESTSevere Thunderstorm WarningINDTipton51 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; radar from the NEXRAD Level II archive.