Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 3, NWS North Platte, NE

June 18, 1997Holt County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 18, 1997, 8:55 PM CDT for Holt County, Nebraska. It was in force for 35 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 18, 1997, 8:55 PM CDT (01:55 UTC)
Expired: Jun 18, 1997, 9:30 PM CDT
In force: 35 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Holt County, NE

The radar

The North Platte radar (KLNX), 158 km from the middle of the area, began a volume at 01:55 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 18, 9:20 PM CDT	Hail 1	Amelia, 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.9 hours before the alert went out and 211 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: 601 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 2921 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

557 
WFUS1 KLBF 190155 RRA
TORLBF
NEC089-190230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
855 PM CDT WED JUN 18 1997

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL NEBRASKA

   ...WESTERN HOLT COUNTY
 
AT 854 PM CDT...A DEVELOPING TORNADO WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 17 MILES WEST NORTHWEST OF O NEILL OR 7 MILES WEST
NORTHWEST OF EMMET MOVING EAST AT 30 MPH.

THE TORNADO IS EXPECTED TO BE NEAR...
  EMMET                        BY 900 PM CDT
 
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.

SPRINGER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:13 PM CDT	Severe Thunderstorm Warning	LBF	Perkins	62 min
Jun 18, 7:38 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Keya Paha, Rock	62 min
Jun 18, 7:45 PM CDT	Severe Thunderstorm Warning	LBF	Custer	60 min
Jun 18, 8:03 PM CDT	Severe Thunderstorm Warning	LBF	Rock	62 min
Jun 18, 8:41 PM CDT	Severe Thunderstorm Warning	LBF	Holt	59 min
Jun 18, 9:31 PM CDT	Severe Thunderstorm Warning	LBF	Holt	64 min
Jun 18, 9:49 PM CDT	Severe Thunderstorm Warning	LBF	Wheeler	66 min
Jun 18, 11:21 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Brown	49 min
Jun 19, 3:33 PM CDT	Severe Thunderstorm Warning	LBF	Garden	47 min
Jun 19, 4:41 PM CDT	Severe Thunderstorm Warning	LBF	Sheridan	64 min
Jun 19, 5:18 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	62 min
Jun 19, 5:32 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	63 min
Jun 19, 6:03 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	62 min
Jun 19, 6:11 PM CDT	Severe Thunderstorm Warning	LBF	Deuel	34 min
Jun 19, 6:22 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	33 min
Jun 19, 6:48 PM CDT	Severe Thunderstorm Warning	LBF	Perkins	62 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.