Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 67, NWS Cheyenne, WY

June 25, 1997Kimball County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 25, 1997, 2:29 PM MDT for Kimball County, Nebraska. It was in force for 46 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
Jun 25, 1997, 2:29 PM MDT (20:29 UTC)
Expired
Jun 25, 1997, 3:15 PM MDT
In force
46 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Kimball County, NE

The radar

The Cheyenne radar (KCYS), 91 km from the middle of the area, began a volume at 20:28 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, 2:40 PM MDTHail 1.5Kimball, NE
Jun 25, 2:58 PM MDTHail 1.75Kimball, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 25, 1:45 PM MDTTornado WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 8.5 hours before the alert went out and 153 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°0°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.

158 
WUUS1 KCYS 252030 RRA
SVRCYS
NEC105-252115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
229 PM MDT WED JUN 25 1997

* SEVERE THUNDERSTORM WARNING FOR
  SOUTHERN AND EASTERN KIMBALL COUNTY IN WESTERN NEBRASKA PANHANDLE

* UNTIL 315 PM MDT

* SOME AFFECTED LOCATIONS INCLUDE
  KIMBALL THROUGH 240 PM
  DIX THROUGH 240 PM

* AT 228 PM MDT...DOPPLER RADAR IN CHEYENNE SHOWED A LINE OF SEVERE
  THUNDERSTORMS FROM 10 MILES EAST KIMBALL TO 5 MILES SOUTHEAST OF
  KIMBALL. THESE STORMS WERE MOVING EAST AT 20 MPH.  GOLFBALL SIZED
  HAIL WAS REPORTED ON I-80 NEAR KIMBALL AT 228 PM.

A TORNADO WATCH IS ALSO IN EFFECT.  SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES.
 
 
IF YOU ARE DRIVING AND ENCOUNTER HEAVY RAIN OR HAIL...SLOW DOWN OR
PULL TO THE SIDE OF THE ROAD UNTIL THE STORM PASSES.

&
JBS

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 25, 9:56 AM MDT, 4 hours 33 minutes before
WYZ059>070-NEZ001>003-019>021-054-055-260000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
956 AM MDT WED JUN 25 1997

THE SEVERE WEATHER POTENTIAL IN THE CHEYENNE NWS COUNTY WARNING AREA
IS MODERATE TODAY IN LARAMIE COUNTY AND THE SOUTHERN NEBRASKA
PANHANDLE.  THE POTENTIAL IS LOW OVER THE REST OF THE AREA.

SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON FOR THESE AREAS.

DISCUSSION...THE AIR MASS OVER LARAMIE COUNTY AND THE SOUTHERN
NEBRASKA PANHANDLE WILL BE MOIST AND UNSTABLE THIS AFTERNOON.  IN
ADDITION...THE WIND DIRECTIONS AS ONE GOES UP IN ALTITUDE WILL BE
FAVORABLE FOR THE FORMATION OF STRONG THUNDERSTORMS.  THE STORMS WILL
DEVELOP AFTER 300 PM IN LARAMIE COUNTY AND AFTER 400 PM IN THE SOUTHERN
NEBRASKA PANHANDLE.  THE STORMS WILL PRODUCE HAIL AND HEAVY RAIN AND
POSSIBLE AREAS OF FLOODING.  THE STORMS WILL MOVE EAST AT 25 MPH.

WCJIN-WYSE-WYNE
WEILAND
Special weather statement, Jun 25, 9:58 AM MDT, 4 hours 31 minutes before
WYZ059>070-NEZ001>003-019>021-054-055-260000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
956 AM MDT WED JUN 25 1997

THE SEVERE WEATHER POTENTIAL IN THE CHEYENNE NWS COUNTY WARNING AREA
IS MODERATE TODAY IN LARAMIE COUNTY AND THE SOUTHERN NEBRASKA
PANHANDLE.  THE POTENTIAL IS LOW OVER THE REST OF THE AREA.

SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON FOR THESE AREAS.

DISCUSSION...THE AIR MASS OVER LARAMIE COUNTY AND THE SOUTHERN
NEBRASKA PANHANDLE WILL BE MOIST AND UNSTABLE THIS AFTERNOON.  IN
ADDITION...THE WIND DIRECTIONS AS ONE GOES UP IN ALTITUDE WILL BE
FAVORABLE FOR THE FORMATION OF STRONG THUNDERSTORMS.  THE STORMS WILL
DEVELOP AFTER 300 PM IN LARAMIE COUNTY AND AFTER 400 PM IN THE SOUTHERN
NEBRASKA PANHANDLE.  THE STORMS WILL PRODUCE HAIL AND HEAVY RAIN AND
POSSIBLE AREAS OF FLOODING.  THE STORMS WILL MOVE EAST AT 25 MPH.

WCJIN-WYSE-WYNE
WEILAND
Special weather statement, Jun 25, 2:00 PM MDT, 29 minutes before
WYZ067>070-NEZ019>021-054-055-260200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
200 PM MDT WED JUN 25 1997

...A TORNADAO WATCH HAS BEEN USSUED FOR EXTREME SOUTHEAST WYOMING AND
THE SOUTHERN PART OF THE NEBRASKA PANHANDLE...

THIS TORNADO WATCH IS VALID UNTIL 8 PM MDT THIS WEDNESDAY EVENING.

COUNTIES IN WYOMING IN THE WATCH ARE LARAMIE...SOUTHERN PLATTE AND
SOUTHERN GOSHEN INCLUDING THE CITIES OF CHEYENNE...PINE BLUFFS...
WHEATLAND AND TORRINGTON.

COUNTIES IN NEBRASKA IN THE WATCH ARE SCOTTS BLUFF...BANNER...KIMBALL
...MORRILL AND CHEYENNE INCLUDING THE CITIES OF SCOTTSBLUFF
...HARRISBURG...KIMBALL...BRIDGEPORT AND SIDNEY.

THE AIRMASS OVER THE SOUTHEAST CORNER OF WYOMING AND THE SOUTHERN
NEBRASKA PANHANDLE IS MOIST AND VERY UNSTABLE.  IN ADDITION...AN UPPER
LEVEL DISTURBANCE MOVING ACROSS THE AREA THIS AFTERNOON AND EARLY
EVENING WILL AID IN THE FORMATION OF STRONG THUNDERSTORMS.  SOME OF
THESE STORMS WILL BE SEVERE AND COULD PRODUCE TORNADOES.

PEOPLE IN THE SOUTHEAST CORNER OF WYOMING AND THE SOUTHERN NEBRASKA
PANHANDLE SHOULD BE PREPARED FOR SEVERE STORMS THIS AFTERNOON AND
EVENING.  BE READY TO SEEK SHELTER IN A BASEMENT OR INTERIOR ROOM.
LISTEN TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION STATIONS AND
YOUR CABLE TELEVISION STATION FOR WARNING AND STATEMENTS.

WCJIN-WYSE
JMH
Special weather statement, Jun 25, 2:03 PM MDT, 26 minutes before
WYZ067>070-NEZ019>021-054-055-260200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
200 PM MDT WED JUN 25 1997

...A TORNADAO WATCH HAS BEEN USSUED FOR EXTREME SOUTHEAST WYOMING AND
THE SOUTHERN PART OF THE NEBRASKA PANHANDLE...

THIS TORNADO WATCH IS VALID UNTIL 8 PM MDT THIS WEDNESDAY EVENING.

COUNTIES IN WYOMING IN THE WATCH ARE LARAMIE...SOUTHERN PLATTE AND
SOUTHERN GOSHEN INCLUDING THE CITIES OF CHEYENNE...PINE BLUFFS...
WHEATLAND AND TORRINGTON.

COUNTIES IN NEBRASKA IN THE WATCH ARE SCOTTS BLUFF...BANNER...KIMBALL
...MORRILL AND CHEYENNE INCLUDING THE CITIES OF SCOTTSBLUFF
...HARRISBURG...KIMBALL...BRIDGEPORT AND SIDNEY.

THE AIRMASS OVER THE SOUTHEAST CORNER OF WYOMING AND THE SOUTHERN
NEBRASKA PANHANDLE IS MOIST AND VERY UNSTABLE.  IN ADDITION...AN UPPER
LEVEL DISTURBANCE MOVING ACROSS THE AREA THIS AFTERNOON AND EARLY
EVENING WILL AID IN THE FORMATION OF STRONG THUNDERSTORMS.  SOME OF
THESE STORMS WILL BE SEVERE AND COULD PRODUCE TORNADOES.

PEOPLE IN THE SOUTHEAST CORNER OF WYOMING AND THE SOUTHERN NEBRASKA
PANHANDLE SHOULD BE PREPARED FOR SEVERE STORMS THIS AFTERNOON AND
EVENING.  BE READY TO SEEK SHELTER IN A BASEMENT OR INTERIOR ROOM.
LISTEN TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION STATIONS AND
YOUR CABLE TELEVISION STATION FOR WARNING AND STATEMENTS.

WCJIN-WYSE
JMH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 12:54 PM MDTTornado WarningCYSBanner, Scotts Bluff31 min
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, 2:33 PM MDTTornado WarningCYSCheyenne27 min
Jun 25, 2:44 PM MDTSevere Thunderstorm WarningCYSCheyenne31 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1997Every severe thunderstorm warning 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.