Alert archive / Indiana / Tornado Warnings in 1997

Tornado Warning 7, NWS Indianapolis, IN

April 30, 1997Parke County, Vermillion County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 30, 1997, 5:04 PM EST for Parke County, Vermillion County, Indiana. It was in force for 26 min. 2 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: Apr 30, 1997, 5:04 PM EST (22:04 UTC)
Expired: Apr 30, 1997, 5:30 PM EST
In force: 26 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Parke County, IN, Vermillion County, IN

The radar

The Indianapolis radar (KIND), 91 km from the middle of the area, began a volume at 22:04 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

Time	Report	Where	Remark
Apr 30, 5:10 PM EST	Thunderstorm Wind	Turkey Run Sp, IN
Apr 30, 5:22 PM EST	Thunderstorm Wind	Cayuga, 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.

Issued	Product	Office	Lasted
Apr 30, 2:30 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.1 hours before the alert went out and 114 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1130 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 166 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 302206 RRA
TORIND
INC121-165-302230-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
504 PM EST WED APR 30 1997
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  530 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL INDIANA
 
   ...PARKE COUNTY...SOUTHERN VERMILLION COUNTY
 
AT 500 PM EST NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE
TORNADO 20 MILES NORTHWEST OF TERRE HAUTE...NEAR PARIS ILLINOIS.
THIS STORM WAS MOVING NORTHEAST AT 45 MPH. THE TOWN OF CLINTON IS
IN THE PATH OF THIS STORM.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 
CS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 5:32 PM EST	Severe Thunderstorm Warning	IND	Montgomery	28 min
Apr 30, 5:52 PM EST	Severe Thunderstorm Warning	IND	Knox	38 min
Apr 30, 6:06 PM EST	Severe Thunderstorm Warning	IND	Daviess	39 min
Apr 30, 6:24 PM EST	Severe Thunderstorm Warning	IND	Greene	36 min
Apr 30, 6:32 PM EST	Severe Thunderstorm Warning	IND	Monroe	28 min
Apr 30, 6:39 PM EST	Severe Thunderstorm Warning	IND	Hendricks	36 min
Apr 30, 6:43 PM EST	Severe Thunderstorm Warning	IND	Daviess, Knox	32 min
Apr 30, 6:52 PM EST	Severe Thunderstorm Warning	IND	Brown	38 min

Nearby

Tornado Warnings in Indiana, 1997 Every tornado warning in 1997 Tornadoes 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.