Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 11, NWS Indianapolis, IN

March 28, 1997Tipton County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 28, 1997, 6:54 PM EST for Tipton County, Indiana. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 28, 1997, 6:54 PM EST (23:54 UTC)
Expired
Mar 28, 1997, 7:45 PM EST
In force
51 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Tipton County, IN

The radar

The Indianapolis radar (KIND), 70 km from the middle of the area, began a volume at 23:54 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.

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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.9 hours before the alert went out and 216 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, Cncnati-Daytn, OH at 12:00Z on 1997-03-28Temperature 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, Cncnati-Daytn, OH at 12:00Z on 1997-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2613 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
122 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 KIND 282356 RRA
SVRIND
INC159-290045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
654 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 LOCATION...
 
IN CENTRAL INDIANA
 
   ...TIPTON COUNTY
 
AT 655 PM...A SEVERE THUNDERSTORM WAS NEAR TIPTON AND MOVING EAST AT 30
MPH. THIS STORM WILL MOVE THROUGH TIPTON AND HOBBS BY 730 PM.
 
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 CHAdNGING 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, 19 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, 17 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, 6:45 PM ESTSevere Thunderstorm WarningINDBrown, Monroe60 min
Mar 28, 6:50 PM ESTSevere Thunderstorm WarningINDHancock55 min
Mar 28, 6:51 PM ESTSevere Thunderstorm WarningINDKnox69 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.