Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 34, NWS North Platte, NE

August 22, 1997Cherry County, Nebraska

NWS North Platte, NE issued this tornado warning at Aug 22, 1997, 6:56 PM MDT for Cherry County, Nebraska. It was in force for 64 min. 2 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
Aug 22, 1997, 6:56 PM MDT (00:56 UTC)
Expired
Aug 22, 1997, 8:00 PM MDT
In force
64 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Cherry County, NE

What was reported inside it

TimeReportWhereRemark
Aug 22, 7:16 PM MDTHail 1Wood Lake, NE
Aug 22, 7:50 PM MDTHail 0.75Wood Lake, 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, 0.9 hours before the alert went out and 163 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 00:00Z on 1997-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1907 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 00:00Z on 1997-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
1907 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1169 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
1.4
Supercell composite
13.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 230055 RRA
TORLBF
NEC031-230200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
756 PM CDT (656 PM MDT) FRI AUG 22 1997

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL NEBRASKA

   ...EAST CENTRAL CHERRY COUNTY
 
AT 754 PM CDT...A DEVELOPING TORNADO WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 18 MILES SOUTHEAST OF VALENTINE OR 5 MILES NORTH
NORTHWEST OF WOOD LAKE MOVING SOUTH SOUTHWEST AT 15 MPH.

THE TORNADO IS EXPECTED TO PASS FROM 4 MILES NORTH TO 2 MILES
WEST OF WOOD LAKE...HOWEVER LARGE HAIL IS
EXPECTED NEAR...
  WOOD LAKE                    BY 805 PM CDT
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THIS REPLACES THE SEVERE THUNDERSTORM WARNING ISRSUED EARLIER FOR
EAST CENTRAL CHERRY COUNTY.

SLM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 6:23 PM MDTSevere Thunderstorm WarningLBFBrown62 min
Aug 22, 6:41 PM MDTSevere Thunderstorm WarningLBFCherry64 min
Aug 23, 5:31 PM MDTSevere Thunderstorm WarningLBFCherry64 min
Aug 23, 5:40 PM MDTSevere Thunderstorm WarningLBFThomas65 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.