Alert archive / Nebraska / Tornado Warnings in 1996

Tornado Warning 6, NWS Cheyenne, WY

May 30, 1996Banner County, Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this tornado warning at May 30, 1996, 5:23 PM MDT for Banner County, Scotts Bluff County, Nebraska. It was in force for 27 min. 5 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
May 30, 1996, 5:23 PM MDT (23:23 UTC)
Expired
May 30, 1996, 5:50 PM MDT
In force
27 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 23:27 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
May 30, 5:30 PM MDTHail 1.75Gering, NE
May 30, 5:30 PM MDTHail 2.5Gering, NE
May 30, 5:35 PM MDTHail 2.75Scottsbluff, NE
May 30, 5:45 PM MDTHail 1.75Gering, NE
May 30, 6:00 PM MDTHail 2.75Melbeta, 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, 11.4 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 1996-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 104 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 1996-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897Sfc1 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
104 J/kg
Mixed-layer CIN
-437 J/kg
Mixed-layer LCL
1441 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
47 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 KCYS 302325
TORCYS
NEC007-157-310000-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
523 PM MDT THU MAY 30 1996
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  550 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN THE NEBRASKA PANHANDLE
 
   ...NORTHERN BANNER COUNTY...SCOTTS BLUFF COUNTY
 
A SEVERE THUNDERSTORM WAS LOCATED OVER WESTERN SCOTTS BLUFF COUNTY AND
NORTHERN BANNER COUNTY. THIS THUNDERSTORM WAS MOVING TO THE EAST AT 20
MPH AND IS EXPECTED TO AFFECT THE COMMUNITIES OF SCOTTSBLUFF AND GERING
IN THE NEXT HALF HOUR.
 
THIS THUNDERSTORM IS CAPABLE OF PRODUCING HEAVY RAIN...LARGE HAIL UP TO
TWO INCHES IN DIAMETERh...WIND GUSTS IN EXCESS OF 60 MPH AND DANGEROUS
LIGHTNING.
 
ABANDON MOBILE HOMES!  GO IN A NEARBY STURDY BUILDING!  AS A LAST
RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD.
 
LRE

What forecasters said that day

The local office's own words before this tornado 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, May 30, 2:56 PM MDT, 2 hours 27 minutes before
WYZ060-067-068-069-070-NEZ001-002-003-019-020-021-054-055-302300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
254 PM MDT THU MAY 30 1996

...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHEAST WYOMING
AND THE NEBRASKA PANHANDLE UNTIL 9 PM THIS EVENING...

THE AIRMASS OVER SOUTHEAST WYOMING AND THE NEBRASKA PANHANDLE IS
QUITE MOIST AND UNSTABLE THIS AFTERNOON.  FORECASTED SCATTERED
THUNDERSTORMS THIS AFTERNOON AND THIS EVENING HAVE ALREADY STARTED
DEVELOPING.  A STORM OVER PLATTE COUNTY WYOMING HAS ALREADY BECOME
SEVERE WITH THREE QUARTER INCH HAIL REPORTED EARLIER.  MEANWHILE
THE WIND ENVIRONMENT IS FAVORABLE FOR THE THE POSSIBLE FORMATION
OF SOME TORNADOES.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM THIS EVENING
FOR SOUTHERN NIOBRARA...PLATTE...GOSHEN AND LARAMIE COUNTIES OF
SOUTHEAST WYOMING.

THE TORNADO WATCH ALSO INCLUDES THE FOLLOWING COUNTIES IN THE NEBRASKA
PANHANDLE...  BANNER...BOX BUTTE...CHEYENNE...DAWES...DEUEL...GARDEN...
KIMBALL...MORRILL...SCOTTS BLUFF...SHERIDAN...AND SIOUX.

WCJIN-WYSE-WYNE
PAL

&
Special weather statement, May 30, 4:35 PM MDT, 48 minutes before
WYZ055-058>060-310030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
434 PM MDT THU MAY 30 1996

...A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF NORTHEAST AND EAST
CENTRAL WYOMING THROUGH 1100 PM...

THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR A SMALL
PART OF EAST CENTRAL AND NORTHEAST WYOMING UNTIL 1100 PM.  THIS WATCH
INCLUDES WESTON AND NIOBRARA COUNTIES IN WYOMING.  SOME CITIES IN THE
WATCH ARE LUSK AND NEWCASTLE.

A WATCH MEANS THAT WEATHER CONDITIONS ARE FAVROABLE FOR THE FORMATION
OF STRONG THUNDERSTORMS AND POSSIBLY TORNADOES.

AT 425 PM...SEVERE THUNDERSTORMS WERE LOCATED IN SOUTHERN GOSHEN
COUNTY IN WYOMING.

PEOPLE IN THE WATCH AREA SHOULD BE ALERT TO THE POSSIBILITY OF SEVERE
THUNDERSTORMS THIS EVENING...SOME OF WHICH MAY PRODUCE TORNADOES.  IF
A STORM APPROACHES MOVE TO AN INDOOR SHELTER AND BOATER SHOULD BE
PREPARED TO MOVE OFF OF THE WATER QUICKLY.  ANOTHER TORNADO WATCH IS
ALSO IN EFFECT UNTIL 900 PM FOR MUCH OF SOUTHEAST WYOMING.

WCJIN-WYNE-
WEILAND
Special weather statement, May 30, 4:51 PM MDT, 32 minutes before
NEZ019>021-054-055-310030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
447 PM MDT THU MAY 30 1996

...A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF THE NEBRASKA
PANHANDLE AND SOUTHEAST WYOMING UNTIL 900 PM THIS EVENING...

THUNDERSTORMS IN NORTHEAST COLORADO HAVE BEEN SEVERE AND SINCE 430 PM
ARE STARTING TO MOVE INTO SOUTHWEST CHEYENNE COUNTY.  BY 600 PM...
INTENSE THUNDERSTORMS WILL BE OVER MUCH OF CHEYENNE COUNTY AS WELL AS
THE EAST PART OF KIMBALL COUNTY.  THESE STORMS HAVE A HISTORY OF
PRODUCING HAIL THREE QUARTERS OF AN INCH TO ONE INCH DIAMETER HAIL AND
AND THE WIND ENVIRONMENT REMAINED FAVORABLE FOR THE POSSIBLE FORMATION
OF TORNADOES.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MPH.

BE AWARE OF CHANGING WEATHER CONDITIONS.  IF YOU ARE IN THE PATH OF
THESE STORMS TAKE COVER INSIDE A BUILDING AND STAY AWAY FROM WINDOWS.
THESE ARE DANGEROUS STORMS AND ALL NECESSARY PRECAUTIONS SHOULD BE
TAKEN.

JMR
Special weather statement, May 30, 5:18 PM MDT, 5 minutes before
NEZ054-055-310015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
516 PM MDT THU MAY 30 1996

...A TORNADO WATCH IS IN EFFECT UNTIL 9PM FOR THE PANHANDLE OF
NEBRASKA...

...STRONG THUNDERSTORMS WERE BEGINNING TO MOVE INTO KIMBALL AND CHEYENNE
COUNTIES...

SEVERAL STRONG THUNDERSTORMS WERE BEGINNING TO ENTER KIMBALL AND
CHEYENNE COUNTIES FROM THE SOUTH. THESE THUNDERSTORMS WERE JUST SOUTH OF
THE BORDER WITH COLORADO.  THESE THUNDERSTORMS WERE MOVING TO THE
NORTHEAST AT 25 MPH. AT THIS TIME THESE THUNDERSTORMS ARE CAPABLE OF
PRODUCING HEAVY RAIN...PEA SIZE HAIL...STRONG WINDS AND DANGEROUS
LIGHTNING.

COMMUNITIES IN THE PATH OF THESE STORMS INCLUDE SIDNEY AND KIMBALL.T

LRE

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 4:58 PM MDTTornado WarningCYSBanner, Scotts Bluff32 min
May 30, 5:41 PM MDTSevere Thunderstorm WarningCYSMorrill34 min
May 30, 5:58 PM MDTSevere Thunderstorm WarningCYSScotts Bluff32 min

Nearby

Tornado Warnings in Nebraska, 1996Every tornado warning in 1996Tornadoes in 1996

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.