Alert archive / Nebraska / Tornado Warnings in 1997

Tornado Warning 20, NWS Cheyenne, WY

June 25, 1997Banner County, Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jun 25, 1997, 12:54 PM MDT for Banner County, Scotts Bluff County, Nebraska. It was in force for 31 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, 12:54 PM MDT (18:54 UTC)
Expired
Jun 25, 1997, 1:25 PM MDT
In force
31 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Banner County, NE, Scotts Bluff County, NE

The radar

The Cheyenne radar (KCYS), 110 km from the middle of the area, began a volume at 18:58 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, 1:15 PM MDTHail 0.88Harrisburg, 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

Denver, CO (KDNR), launched 12:00Z, 6.9 hours before the alert went out and 207 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, Denver, CO 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1997-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
51 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
1628 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
122 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.

476 
WFUS1 KCYS 251855 RRA
TORCYS
NEC157-251925-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTION
NATIONAL WEATHER SERVICE CHEYENNE WY
1254 PM MDT WED JUN 25 1997

* TORNADO WARNING FOR
  EASTERN BANNER COUNTY IN WESTERN NEBRASKA PANHANDLE

* UNTIL 125 PM MDT

* THIS STORM IS EXPECTED TO AFFECT HARRISBURG BY 110 PM.

* AT 1251 PM MDT...A TORNADO WAS REPORTED BY LAW ENFORCEMENT
  OFFICIALS 22 MILES NORTHWEST OF KIMBALL OR 22 MILES SOUTH OF SCOTTS
  BLUFF NATIONAL MONUMENT MOVING EAST AT 25 MPH.



SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A BATHROOM OR SMALL CLOSET ON
THE LOWEST FLOOR OF YOUR HOUSE AND COVER YOUR HEAD.

JMH
&
1 follow-up statement
499 
WFUS1 KCYS 251859 RRB
TORCYS
NEC007-251925-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTION
NATIONAL WEATHER SERVICE CHEYENNE WY
1254 PM MDT WED JUN 25 1997

* TORNADO WARNING FOR
  EASTERN BANNER COUNTY IN WESTERN NEBRASKA PANHANDLE

* UNTIL 125 PM MDT

* THIS STORM IS EXPECTED TO AFFECT HARRISBURG BY 110 PM.

* AT 1251 PM MDT...A TORNADO WAS REPORTED BY LAW ENFORCEMENT
  OFFICIALS 22 MILES NORTHWEST OF KIMBALL OR 22 MILES SOUTH OF SCOTTS
  BLUFF NATIONAL MONUMENT MOVING EAST AT 25 MPH.



SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A BATHROOM OR SMALL CLOSET ON
THE LOWEST FLOOR OF YOUR HOUSE AND COVER YOUR HEAD.

JMH
&

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 1:26 PM MDTTornado WarningCYSBanner34 min
Jun 25, 1:47 PM MDTSevere Thunderstorm WarningCYSKimball43 min
Jun 25, 1:54 PM MDTTornado WarningCYSKimball36 min
Jun 25, 2:13 PM MDTSevere Thunderstorm WarningCYSCheyenne, Morrill32 min
Jun 25, 2:29 PM MDTSevere Thunderstorm WarningCYSKimball46 min
Jun 25, 2:33 PM MDTTornado WarningCYSCheyenne27 min
Jun 25, 2:44 PM MDTSevere Thunderstorm WarningCYSCheyenne31 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.