Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 24, NWS Cheyenne, WY

July 6, 1997Kimball County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jul 6, 1997, 5:09 PM MDT for Kimball County, Nebraska. It was in force for 31 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
Jul 6, 1997, 5:09 PM MDT (23:09 UTC)
Expired
Jul 6, 1997, 5:40 PM MDT
In force
31 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Kimball County, NE

The radar

The Cheyenne radar (KCYS), 91 km from the middle of the area, began a volume at 23:10 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
Jul 6, 5:20 PM MDTTornado F0Kimball, NEBrief touchdown in open country.

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
Jul 6, 3:15 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.2 hours before the alert went out and 153 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, Denver, CO at 12:00Z on 1997-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1997-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 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
46 J/kg
Mixed-layer CIN
-461 J/kg
Mixed-layer LCL
2062 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
222 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 KCYS 062310 RRA
TORCYS
NEC105-062340-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
509 PM MDT SUN JUL 6 1997

* TORNADO WARNING FOR
  SOUTH CENTRAL AND SOUTHEASTERN KIMBALL COUNTY IN WESTERN NEBRASKA
  PANHANDLE

* UNTIL 540 PM MDT

* THIS STORM IS EXPECTED TO REMAIN IN RURAL AREAS.

* AT 507 PM MDT...A TORNADO WAS REPORTED BY A SPOTTER 5 TO 10 MILES
  SOUTH OF KIMBALL OR 5 MILES SOUTH OF INTERSECTION OF I-80 AND 71
  MOVING EAST AT 20 MPH.


 
NEVER TRY TO OUTRUN A TORNADO IN YOUR VEHICLE!  STOP...GET OUT...AND
SEEK SHELTER IN A BASEMENT OR LIE FLAT IN A DITCH AND COVER YOUR HEAD.
 
 
JAD

Nearby

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