Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 3, NWS Indianapolis, IN

March 28, 1997Vigo County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 28, 1997, 5:32 PM EST for Vigo County, Indiana. It was in force for 43 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, 5:32 PM EST (22:32 UTC)
Expired
Mar 28, 1997, 6:15 PM EST
In force
43 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Vigo County, IN

The radar

The Indianapolis radar (KIND), 100 km from the middle of the area, began a volume at 22:36 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, 6:08 PM ESTHail 0.75Terre Haute, 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, 3:15 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 131 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 282237 RRA
SVRIND
INC167-282315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
532 PM EST FRI MAR 28 1997
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL INDIANA
 
   ...VIGO COUNTY
 
AT 530 PM THE NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 5 MILES SOUTHWEST OF TERRE HAUTE. THIS WILL PASS THROUGH
THE CITY OF TERRE HAUTE BY 615 PM EST. LARGE HAIL IS LIKELY WITH THIS
STORM. THE STORM WAS MOVING NORTH NORTHEAST AT 30 MPH.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE rTHUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
BPRUITT

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, 5:49 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, 6:45 PM ESTSevere Thunderstorm WarningINDBrown, Monroe60 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.