Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 8, NWS North Platte, NE

June 25, 1997Deuel County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 25, 1997, 3:58 PM MDT for Deuel County, Nebraska. It was in force for 32 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
Jun 25, 1997, 3:58 PM MDT (21:58 UTC)
Expired
Jun 25, 1997, 4:30 PM MDT
In force
32 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Deuel County, NE

The radar

The North Platte radar (KLNX), 174 km from the middle of the area, began a volume at 22:01 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
Jun 25, 4:10 PM MDTHail 2Chappell, NE

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
Jun 25, 1:45 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.0 hours before the alert went out and 145 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, N. Platte/Lee Bi, NE at 12:00Z on 1997-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 1997-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 square meters per square second.19395878Sfc1 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
51 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLBF 252159 RRA
TORLBF
NEC049-252230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
458 PM CDT (358 PM MDT) WED JUN 25 1997

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 430 PM MDT (530 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN THE NEBRASKA PANHANDLE

   ...SOUTHEASTERN DEUEL COUNTY
 
AT 353 PM MDT...A POSSIBLE TORNADO WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 32 MILES WEST SOUTHWEST OF OGALLALA OR 8 MILES
SOUTHEAST OF CHAPPELL MOVING SOUTHEAST AT 25 MPH.  THE
PUBLIC REPORTED FUNNEL CLOUDS SOUTH OF CHAPPELL AT AROUND 345 PM
MDT.

THE POSSIBLE TORNADO IS EXPECTED TO MOVE ACROSS SOUTHEAST DEUEL
COUNTY ALONG AND NEAR I-80.
 
IF YOU ARE IN THE PATH OF THIS TORNADO TAKE SHELTER IMMEDIATELY.
THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE. AVOID WINDOWS.

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 2:10 PM MDTSevere Thunderstorm WarningLBFGarden65 min
Jun 25, 2:56 PM MDTSevere Thunderstorm WarningLBFKeith64 min
Jun 25, 3:14 PM MDTSevere Thunderstorm WarningLBFGarden66 min
Jun 25, 3:27 PM MDTTornado WarningLBFKeith33 min
Jun 25, 3:38 PM MDTSevere Thunderstorm WarningLBFDeuel62 min
Jun 25, 4:03 PM MDTTornado WarningLBFKeith, Perkins62 min
Jun 25, 4:11 PM MDTTornado WarningLBFLincoln64 min
Jun 25, 5:07 PM MDTTornado WarningLBFPerkins63 min
Jun 25, 5:13 PM MDTTornado WarningLBFHayes62 min
Jun 25, 5:15 PM MDTTornado WarningLBFLincoln65 min
Jun 25, 5:32 PM MDTTornado WarningLBFFrontier63 min

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.