Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 39, NWS North Platte, NE

August 28, 1997Sheridan County, Nebraska

NWS North Platte, NE issued this tornado warning at Aug 28, 1997, 6:00 PM MDT for Sheridan County, Nebraska. It was in force for 50 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: Aug 28, 1997, 6:00 PM MDT (00:00 UTC)
Expired: Aug 28, 1997, 6:50 PM MDT
In force: 50 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Sheridan County, NE

The radar

The North Platte radar (KLNX), 163 km from the middle of the area, began a volume at 00:04 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
Aug 28, 6:05 PM MDT	Tornado F0	Rushville, NE	A weak tornado made a brief 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 nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 0.0 hours before the alert went out and 178 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: 1026 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 2590 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 11 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 KLBF 290000 RRA
TORLBF
NEC161-290050-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
700 PM CDT (600 PM MDT) THU AUG 28 1997

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 650 PM MDT (750 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN THE NEBRASKA PANHANDLE

   ...NORTHERN SHERIDAN COUNTY
 
AT 558 PM MDT...A DEVELOPING TORNADO WAS REPORTED BY A SPOTTER 31
MILES EAST OFL CHADRON OR 2 MILES WEST NORTHWEST OF CLINTON MOVING
EAST AT 5 MPH.

THE TORNADO IS EXPECTED TO BE NEAR...
  CLINTON                      BY 610 PM MDT
 

&

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 6:15 PM MDT	Severe Thunderstorm Warning	LBF	Hayes, Lincoln	65 min
Aug 28, 6:46 PM MDT	Severe Thunderstorm Warning	LBF	Perkins	34 min
Aug 28, 6:54 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	61 min
Aug 28, 7:18 PM MDT	Severe Thunderstorm Warning	LBF	Hayes	62 min
Aug 28, 8:03 PM MDT	Severe Thunderstorm Warning	LBF	Perkins	32 min
Aug 28, 8:20 PM MDT	Severe Thunderstorm Warning	LBF	Hayes	65 min
Aug 28, 8:47 PM MDT	Flash Flood Warning	LBF	Hayes	3 hr
Aug 28, 9:16 PM MDT	Severe Thunderstorm Warning	LBF	Frontier	64 min
Aug 28, 9:45 PM MDT	Flash Flood Warning	LBF	Lincoln, Perkins	3 hr
Aug 29, 3:13 PM MDT	Severe Thunderstorm Warning	LBF	Keya Paha	62 min
Aug 29, 3:44 PM MDT	Severe Thunderstorm Warning	LBF	Boyd	61 min
Aug 29, 3:56 PM MDT	Severe Thunderstorm Warning	LBF	Boyd	64 min
Aug 29, 4:59 PM MDT	Severe Thunderstorm Warning	LBF	Boyd	46 min
Aug 29, 5:27 PM MDT	Severe Thunderstorm Warning	LBF	Brown, Rock	63 min
Aug 29, 5:41 PM MDT	Severe Thunderstorm Warning	LBF	Blaine, Loup	64 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.