Alert archive / Nebraska / Tornado Warnings in 1993

Tornado Warning 14, NWS Cheyenne, WY

June 23, 1993Box Butte County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jun 23, 1993, 2:21 PM MDT for Box Butte County, Nebraska. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jun 23, 1993, 2:21 PM MDT (20:21 UTC)
Expired
Jun 23, 1993, 3:00 PM MDT
In force
39 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Box Butte County, NE

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 8.4 hours before the alert went out and 206 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, Rapid City, SD at 12:00Z on 1993-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Rapid City, SD at 12:00Z on 1993-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
311 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 KBFF 232021
TORBFF
NEC013-232100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
221 PM MDT WED JUN 23 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 300 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE PANHANDLE OF NEBRASKA
      SOUTHERN BOX BUTTE...THE CITY OF ALLIANCE

AT 219 PM MDT A TORNADO WAS REPORTED TO BE 5 MILES SOUTHWEST OF
ALLIANCE.

MOVEMENT WAS NORTHEAST AT 25 MPH.

GIVE REPORTS OF SEVERE WEATHER OR DAMAGE TO A LAW ENFORCEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

THIS TORNADO WARNING REPLACES THE PREVIOUSLY ISSUED SEVERE
THUNDERSTORM WARNING FOR SOUTHERN BOX BUTTE COUNTY.

KYLE

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, Jun 23, 1:22 PM MDT, 59 minutes before
WYZ068-069-070-071-072-232030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
121 PM MDT WED JUN 23 1993

...TORNADO WATCH NUMBER 482 IS IN EFFECT FOR THE SOUTHEAST CORNER OF
WYOMING UNTIL 800 PM MDT...

AT 115 PM MDT...SEVERAL STRONG THUNDERSTORMS WERE MOVING THROUGH
PLATTE...GOSHEN...AND LARAMIE COUNTIES. NO SEVERE WEATHER WAS REPORTED.
HOWEVER...RADAR INDICATED THAT THESE THUNDERSTORMS WERE CAPABLE OF
PRODUCING HALF INCH HAIL.  WIND GUSTS TO 45 MILES AN HOUR AND VERY HEAVY
RAIN ARE ALSO LIKELY.

THE STRONGEST GROUP OF STORMS WAS LOCATED ALONG INTERSTATE 25 BETWEEN
25 AND 40 MILES NORTH OF CHEYENNE. THEY WILL BE APPROACHING THE TOWN OF
CHUGWATER...IN SOUTHERN PLATTE COUNTY BY 145 PM MDT.

SEEK INDOOR SHELTER WHEN THUNDERSTORMS ARE IN THE AREA. LIGHTNING IS A
MAJOR THREAT.

WCJIN-WYSE
CAS
Special weather statement, Jun 23, 1:35 PM MDT, 46 minutes before
WYZ068-069-070-071-072-232030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
135 PM MDT WED JUN 23 1993

...STRONG THUNDERSTORMS ARE MOVING INTO SOUTHWEST GOSHEN COUNTY...

AT 130 PM MDT...STRONG THUNDERSTORMS JUST EAST OF INTERSTATE 25 IN
NORTHERN LARAMIE AND SOUTHERN PLATTE COUNTIES. THE STORMS WERE MOVING
INTO THE SOUTHWEST CORNER OF GOSHEN COUNTY. BY 145 PM MDT...THE STORMS
WILL BE APPROACHING THE TOWNS OF HAWK SPRINGS AND LA GRANGE. RADAR
INDICATED MOVEMENT TO THE NORTHEAST AT 30 MILES AN HOUR.

HALF INCH HAIL...WIND GUSTS TO 45 MILES AN HOUR...FREQUENT
LIGHTNING...AND LOCALLY HEAVY RAIN ARE LIKELY. THE STORMS WERE MOVING
INTO MORE UNSTABLE...MOIST AIR...AND COULD EASILY INTENSIFY BETWEEN NOW
AND 215 PM MDT. SOUTHERN GOSHEN COUNTY SHOULD BE ON THE ALERT FOR
POSSIBLE SEVERE THUNDERSTORMS OR EVEN TORNADOES.

MOVE INDOORS WHEN THUNDERSTORMS ARE IN THE AREA. DO NOT SEEK SHELTER
UNDER A TREE WHERE LIGHTNING IS LIKELY TO STRIKE. HEAVY RAIN CAN CAUSE
LOCALIZED FLOODING. DO NOT DRIVE OR WADE THROUGH WATER COVERED ROADS.

A TORNADO WATCH IS IN EFFECT FOR THE AREA UNTIL 800 PM MDT.

WCJIN-WYSE
CAS
Special weather statement, Jun 23, 1:38 PM MDT, 43 minutes before
WYZ068-069-070-071-072-232030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
135 PM MDT WED JUN 23 1993

...STRONG THUNDERSTORMS ARE MOVING INTO SOUTHWEST GOSHEN COUNTY...

AT 130 PM MDT...STRONG THUNDERSTORMS JUST EAST OF INTERSTATE 25 IN
NORTHERN LARAMIE AND SOUTHERN PLATTE COUNTIES. THE STORMS WERE MOVING
INTO THE SOUTHWEST CORNER OF GOSHEN COUNTY. BY 145 PM MDT...THE STORMS
WILL BE APPROACHING THE TOWNS OF HAWK SPRINGS AND LA GRANGE. RADAR
INDICATED MOVEMENT TO THE NORTHEAST AT 30 MILES AN HOUR.

HALF INCH HAIL...WIND GUSTS TO 45 MILES AN HOUR...FREQUENT
LIGHTNING...AND LOCALLY HEAVY RAIN ARE LIKELY. THE STORMS WERE MOVING
INTO MORE UNSTABLE...MOIST AIR...AND COULD EASILY INTENSIFY BETWEEN NOW
AND 215 PM MDT. SOUTHERN GOSHEN COUNTY SHOULD BE ON THE ALERT FOR
POSSIBLE SEVERE THUNDERSTORMS OR EVEN TORNADOES.

MOVE INDOORS WHEN THUNDERSTORMS ARE IN THE AREA. DO NOT SEEK SHELTER
UNDER A TREE WHERE LIGHTNING IS8 LIKELY TO STRIKE. HEAVY RAIN CAN CAUSE
LOCALIZED FLOODING. DO NOT DRIVE OR WADE THROUGH WATER COVERED ROADS.

A TORNADO WATCH IS IN EFFECT FOR THE AREA UNTIL 800 PM MDT.

WCJIN-WYSE
CAS
Special weather statement, Jun 23, 1:39 PM MDT, 42 minutes before
WYZ068-069-070-071-072-232030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
135 PM MDT WED JUN 23 1993

...STRONG THUNDERSTORMS ARE MOVING INTO SOUTHWEST GOSHEN COUNTY...

AT 130 PM MDT...STRONG THUNDERSTORMS JUST EAST OF INTERSTATE 25 IN
NORTHERN LARAMIE AND SOUTHERN PLATTE COUNTIES. THE STORMS WERE MOVING
INTO THE SOUTHWEST CORNER OF GOSHEN COUNTY. BY 145 PM MDT...THE STORMS
WILL BE APPROACHING THE TOWNS OF HAWK SPRINGS AND LA GRANGE. RADAR
INDICATED MOVEMENT TO THE NORTHEAST AT 30 MILES AN HOUR.

HALF INCH HAIL...WIND GUSTS TO 45 MILES AN HOUR...FREQUENT
LIGHTNING...AND LOCALLY HEAVY RAIN ARE LIKELY. THE STORMS WERE MOVING
INTO MORE UNSTABLE...MOIST AIR...AND COULD EASILY INTENSIFY BETWEEN NOW
AND 215 PM MDT. SOUTHERN GOSHEN COUNTY SHOULD BE ON THE ALERT FOR
POSSIBLE SEVERE THUNDERSTORMS OR EVEN TORNADOES.

MOVE INDOORS WHEN THUNDERSTORMS ARE IN THE AREA. DO NOT SEEK SHELTER
UNDER A TREE WHERE LIGHTNING IS< LIKELY TO STRIKE. HEAVY RAIN CAN CAUSE
LOCALIZED FLOODING. DO NOT DRIVE OR WADE THROUGH WATER COVERED ROADS.

A TORNADO WATCH IS IN EFFECT FOR THE AREA UNTIL 800 PM MDT.

WCJIN-WYSE
CAS
Special weather statement, Jun 23, 2:15 PM MDT, 6 minutes before
WYZ068-069-070-071-072-232230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
215 PM MDT WED JUN 23 1993

...STRONG THUNDERSTORMS CONTINUE OVER SOUTHEAST WYOMING...

AT 205 PM...STRONG THUNDERSTORMS WERE LOCATED OVER THE EAST PART OF
GOSHEN COUNTY.  THE STRONGEST STORM WAS 10 MILES SOUTH OF TORRINGTON.
THUNDERSTORMS WERE ALSO DEVELOPING INTO CENTRAL LARAMIE COUNTY...
JUST NORTH OF CHEYENNE.  THE THUNDERSTORMS WERE MOVING EAST AT 25 MILES
AN HOUR.

BETWEEN 200 PM AND 205 PM...THE HAWK SPRINGS AREA...ABOUT 20 MILES
SOUTH OF TORRINGTON...OBSERVED HEAVY RAIN AND PEA SIZED HAIL.

THE STRONG THUNDERSTORMS IN SOUTHEAST WYOMING WILL CONTINUE TO PRODUCE
HEAVY RAIN...HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING.  THESE STORMS
WILL CONTINUE THROUGH THE REST OF THE AFTERNOON.
<
IN ADDITION...A TORNADO WATCH IS IN EFFECT FOR THE AREA UNTIL 800 PM.

IF A THUNDERSTORM APPROACHES...MOVE AWAY FROM METAL OBJECTS...LAKES
AND RIVERS AND TALL OBJECTS.  A SAFE PLACE IS INSIDE A STURDY BUILDING.

WCJIN-WYSE
WEILAND
Special weather statement, Jun 23, 2:19 PM MDT, 2 minutes before
WYZ068-069-070-071-072-232230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
215 PM MDT WED JUN 23 1993

...STRONG THUNDERSTORMS CONTINUE OVER SOUTHEAST WYOMING...

AT 205 PM...STRONG THUNDERSTORMS WERE LOCATED OVER THE EAST PART OF
GOSHEN COUNTY.  THE STRONGEST STORM WAS 10 MILES SOUTH OF TORRINGTON.
THUNDERSTORMS WERE ALSO DEVELOPING INTO CENTRAL LARAMIE COUNTY...
JUST NORTH OF CHEYENNE.  THE THUNDERSTORMS WERE MOVING EAST AT 25 MILES
AN HOUR.

BETWEEN 200 PM AND 205 PM...THE HAWK SPRINGS AREA...ABOUT 20 MILES
SOUTH OF TORRINGTON...OBSERVED HEAVY RAIN AND PEA SIZED HAIL.

THE STRONG THUNDERSTORMS IN SOUTHEAST WYOMING WILL CONTINUE TO PRODUCE
HEAVY RAIN...HAIL...GUSTY WINDS AND DANGEROUS LIGHTNING.  THESE STORMS
WILL CONTINUE THROUGH THE REST OF THE AFTERNOON.
<
IN ADDITION...A TORNADO WATCH IS IN EFFECT FOR THE AREA UNTIL 800 PM.

IF A THUNDERSTORM APPROACHES...MOVE AWAY FROM METAL OBJECTS...LAKES
AND RIVERS AND TALL OBJECTS.  A SAFE PLACE IS INSIDE A STURDY BUILDING.

WCJIN-WYSE
WEILAND

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 1:50 PM MDTTornado WarningCYSBox Butte25 min
Jun 23, 2:08 PM MDTSevere Thunderstorm WarningCYSBox Butte37 min
Jun 23, 2:45 PM MDTSevere Thunderstorm WarningCYSMorrill30 min
Jun 23, 3:19 PM MDTSevere Thunderstorm WarningCYSMorrill26 min
Jun 23, 3:45 PM MDTSevere Thunderstorm WarningCYSGarden15 min
Jun 23, 3:53 PM MDTSevere Thunderstorm WarningCYSKimball37 min
Jun 23, 4:12 PM MDTSevere Thunderstorm WarningCYSCheyenne33 min
Jun 23, 4:25 PM MDTSevere Thunderstorm WarningCYSGarden50 min
Jun 23, 4:34 PM MDTSevere Thunderstorm WarningCYSCheyenne56 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.