Alert archive / Nebraska / Tornado Warnings in 1993

Tornado Warning 26, NWS Cheyenne, WY

August 25, 1993Kimball County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Aug 25, 1993, 6:14 PM MDT for Kimball County, Nebraska. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Aug 25, 1993, 6:14 PM MDT (00:14 UTC)
Expired
Aug 25, 1993, 6:45 PM MDT
In force
31 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Kimball County, NE

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 0.2 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 00:00Z on 1993-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 00:00Z on 1993-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
106 J/kg
Mixed-layer CIN
-171 J/kg
Mixed-layer LCL
2864 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBFF 260014
TORBFF
NEC105-260045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
614 PM MDT WED AUG 25 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 645 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE PANHANDLE OF NEBRASKA
      NORTHERN KIMBALL

AT 612 PM MDT A TORNADO WAS INDICATED BY RADAR AND REPORTED BY A
CITIZEN TO BE 7 MILES NORTHEAST OF KIMBALL NEBRASKA.

MOVEMENT WAS NORTHEAST AT 15 MPH.

TAKE SHELTER IN A BASEMENT IF AVAILABLE.  OTHERWISE GO TO A SMALL
INTERIOR ROOM ON THE LOWEST FLOOR.  STAY AWAY FROM WINDOWS.  ABANDON
CARS AND MOBILE HOMES.

THIS WARNING REPLACES THE PREVIOUSLY ISSUED SEVERE THUNDERSTORM
WARNING FOR KIMBALL COUNTY.

RENZ

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, Aug 25, 3:40 PM MDT, 2 hours 34 minutes before
NEZ002-252215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
340 PM MDT WED AUG 25 1993

...AN ISOLATED THUNDERSTORM OVER WESTERN CHERRY COUNTY...

AT 337 PM MDT...RADAR INDICATED AN ISOLATED THUNDERSTORM OVER WESTERN
CHERRY COUNTY.  THE STORM WAS 26 MILES SOUTHWEST OF MERRIMAN...OR 73
MILES SOUTHWEST OF VALENTINE.

THE THUNDERSTORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR.

BRIEF HEAVY RAIN...GUSTY WIND AND SMALL HAIL WILL BE POSSIBLE WITH
THIS THUNDERSTORM OVER WESTERN CHERRY COUNTY THROUGH 415 PM MDT.
KYLE
Special weather statement, Aug 25, 3:58 PM MDT, 2 hours 16 minutes before
NEZ001-005-011-252300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
358 PM MDT WED AUG 25 1993

...THUNDERSTORMS DEVELOP OVER THE NORTHEAST NEBRASKA PANHANDLE...

AT 355 PM MDT...RADAR INDICATED THUNDERSTORMS OVER SHERIDAN COUNTY.
THE STORMS WERE 25 MILES NORTHEAST OF ALLIANCE...OR 25 MILES NORTHWEST
OF BINGHAM.

THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR.

BRIEF HEAVY RAIN...SMALL HAIL AND DANGEROUS LIGHTNING WILL BE POSSIBLE
WITH THESE THUNDERSTORMS OVER SHERIDAN COUNTY THROUGH 5 PM MDT.
KYLE
Special weather statement, Aug 25, 3:58 PM MDT, 2 hours 16 minutes before
NEZ001-005-011-252300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
358 PM MDT WED AUG 25 1993

...THUNDERSTORMS DEVELOP OVER THE NORTHEAST NEBRASKA PANHANDLE...

AT 355 PM MDT...RADAR INDICATED THUNDERSTORMS OVER SHERIDAN COUNTY.
THE STORMS WERE 25 MILES NORTHEAST OF ALLIANCE...OR 25 MILES NORTHWEST
OF BINGHAM.

THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR.

BRIEF HEAVY RAIN...SMALL HAIL AND DANGEROUS LIGHTNING WILL BE POSSIBLE
WITH THESE THUNDERSTORMS OVER SHERIDAN COUNTY THROUGH 5 PM MDT.
KYLE
Special weather statement, Aug 25, 4:14 PM MDT, 2 hours before
NEZ002-252315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
414 PM MDT WED AUG 25 1993

...STRONG THUNDERSTORMS OVER WESTERN CHERRY COUNTY...

AT 411 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS OVER WESTERN
CHERRY COUNTY.  THE STORMS WERE 24 MILES SOUTHWEST OF MERRIMAN...OR 70
MILES SOUTHWEST OF VALENTINE.

THE THUNDERSTORM WAS MOVING NORTHEAST AT 5 TO 10 MILES AN HOUR.

HEAVY RAIN...DANGEROUS LIGHTNING AND SMALL HAIL WILL BE POSSIBLE WITH
THESE THUNDERSTORMS OVER WESTERN CHERRY COUNTY THROUGH 515 PM MDT.
KYLE
Special weather statement, Aug 25, 6:09 PM MDT, 5 minutes before
WYZ073-260100

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
610 PM MDT WED AUG 25 1992

...A STRONG THUNDERSTORM WAS OVER THE FAR SOUTHEAST CORNER OF WYOMING
AT 600 PM...

THE STORM WAS AFFECTING THE PINE BLUFFS AREA...ABOUT 40 MILES EAST OF
CHEYENNE.  MARBLE SIZE HAIL AND HEAVY RAIN OCCURRED THERE AROUND 550
PM.  AT 610 PM...RADAR SHOWED THAT THE STRONGEST PART OF THE STORM HAD
MOVED INTO NEBRASKA.

OTHER STORMS WERE DEVELOPING OVER NORTHEAST COLORADO HOWEVER...AND
MOVING NORTHEAST AT 20 MPH.  THESE STORMS COULD MOVE OVER THE PINE
BLUFFS AREA THROUGH ABOUT 730 PM...AND PRODUCE HEAVY RAIN AND HAIL.

PEOPLE IN FAR SOUTHEAST LARAMIE COUNTY SHOULD STAY ALERT TO ANY
THUNDERSTORMS IN YOUR AREA.  STAY INDOORS DURING THUNDERSTORMS AWAY
FROM WINDOWS AND ELECTRICAL EQUIPMENT.
WCJIN-WYSE

JAD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 6:17 PM MDTSevere Thunderstorm WarningCYSMorrill50 min
Aug 25, 6:35 PM MDTSevere Thunderstorm WarningCYSSheridan55 min

Nearby

Tornado Warnings in Nebraska, 1993Every tornado warning in 1993Tornadoes in 1993

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.