Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 14, NWS North Platte, NE

June 25, 1997Frontier County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 25, 1997, 6:32 PM CDT for Frontier County, Nebraska. It was in force for 63 min. 3 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: Jun 25, 1997, 6:32 PM CDT (23:32 UTC)
Expired: Jun 25, 1997, 7:35 PM CDT
In force: 63 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Frontier County, NE

The radar

The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 23:34 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
Jun 25, 6:50 PM CDT	Hail 1.75	Maywood, NE	Extensive tree damage incurred.
Jun 25, 7:10 PM CDT	Thunderstorm Wind	Curtis, NE	Wind and hail broke windows throughout Curtis. A center pivot irrigation system was blown over 2 miles northeast of Curtis.
Jun 25, 7:40 PM CDT	Thunderstorm Wind	Curtis, NE	Thunderstorm winds blew a tool shed 100 feet from foundation.

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
Jun 25, 5:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.5 hours before the alert went out and 69 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: 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.

598 
WFUS1 KLBF 252333 RRA
TORLBF
NEC063-260035-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
632 PM CDT WED JUN 25 1997

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 735 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWESTERN NEBRASKA

   ...FRONTIER COUNTY
 
AT 628 PM CDT...A LARGE SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO
WAS INDICATED BY NORTH PLATTE DOPPLER RADAR 29 MILES SOUTH OF NORTH
PLATTE OR 6 MILES NORTHWEST OF MAYWOOD MOVING EAST SOUTHEAST AT 25
MPH.

THE STORM IS EXPECTED TO BE NEAR...
  MAYWOOD                      BY 640 PM CDT
  CURTIS                       BY 650 PM CDT
  MOOREFIELD                   BY 655 PM CDT.

PEOPLE IN AND NEAR THESE AREAS SHOULD TAKE COVER NOW.
 
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.


FS/SP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 3:10 PM CDT	Severe Thunderstorm Warning	LBF	Garden	65 min
Jun 25, 3:56 PM CDT	Severe Thunderstorm Warning	LBF	Keith	64 min
Jun 25, 4:14 PM CDT	Severe Thunderstorm Warning	LBF	Garden	66 min
Jun 25, 4:27 PM CDT	Tornado Warning	LBF	Keith	33 min
Jun 25, 4:38 PM CDT	Severe Thunderstorm Warning	LBF	Deuel	62 min
Jun 25, 4:58 PM CDT	Tornado Warning	LBF	Deuel	32 min
Jun 25, 5:03 PM CDT	Tornado Warning	LBF	Keith, Perkins	62 min
Jun 25, 5:11 PM CDT	Tornado Warning	LBF	Lincoln	64 min
Jun 25, 6:07 PM CDT	Tornado Warning	LBF	Perkins	63 min
Jun 25, 6:13 PM CDT	Tornado Warning	LBF	Hayes	62 min
Jun 25, 6:15 PM CDT	Tornado Warning	LBF	Lincoln	65 min

Nearby

Tornado Warnings in Nebraska, 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.