Alert archive / Nebraska / Tornado Warnings in 1991

Tornado Warning 17, NWS Cheyenne, WY

June 3, 1991Banner County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jun 3, 1991, 5:20 PM MDT for Banner County, Nebraska. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jun 3, 1991, 5:20 PM MDT (23:20 UTC)
Expired
Jun 3, 1991, 5:45 PM MDT
In force
25 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Banner County, NE

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 11.3 hours before the alert went out and 191 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 1991-06-03Temperature 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 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 1991-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -55 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1454 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-55 m²/s²
0-3 km storm-relative helicity
142 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 032320
TORBFF
NEC007-032345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
520 PM MDT MON JUN 3 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 545 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE PANHANDLE OF NEBRASKA
      EASTERN BANNER

AT 515 PM MDT A FUNNEL CLOUD WAS SIGHTED 25 MILES SOUTH OF
SCOTTSBLUFF NEBRASKA...IN EASTERN BANNER COUNTY OF THE NEBRASKA
PANHANDLE.  THE STORM IS MOVING TO THE NORTH AT 20 MPH.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...TAKE SHELTER IN A CULVERT...DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

DO NOT TRY TO OUTRUN A TORNADO IN A CAR.  CARS ARE EASILY TOSSED
AROUND BY TORNADOES.  IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...
LEAVE THE CAR AND GO TO A REINFORCED BUILDING.  IF NO STRUCTURE IS
NEARBY...TAKE SHELTER IN A DITCH OR LOW SPOT AWAY FROM THE VEHICLE.

KIRK

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 3, 11:21 AM MDT, 5 hours 59 minutes before
NEZ001-005-011-031815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
1121 AM MDT MON JUN 3 1991

...INCREASING THUNDERSTORMS ACROSS THE SOUTHERN NEBRASKA PANHANDLE...

AT 1119 AM MDT...RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING FROM
30 MILES SOUTHEAST OF SCOTTSBLUFF TO 10 MILES NORTH OF SIDNEY TO 40
MILES EAST OF SIDNEY.  THE STORMS WERE MOVING NORTH AT 25 MPH.

BRIEF HEAVY RAIN...STRONG GUSTY WIND AND SMALL HAIL ARE POSS`IBLE WITH
THESE STORMS AS THEY MOVE ACROSS EASTERN BANNER...SOUTHERN MORRILL...
NORTHERN CHEYENNE AND DEUEL COUNTIES UNTIL 1215 PM MDT.
PEEK
Special weather statement, Jun 3, 11:21 AM MDT, 5 hours 59 minutes before
WYZ016-017-031830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1120 AM MDT MON JUN 3 1991

SCATTERED THUNDERSTORMS HAD ALREADY DEVELOPED OVER THE SOUTHEAST
CORNER OF WYOMING LATE THIS MORNING.  A FEW OF THESE WERE PRODUCING
LOCALLY HEAVY RAIN AND SMALL HAIL AS THEY MOVED NORTH AROUND
15 MILES AN HOUR.

THUNDERSTORMS WILL CONTINUE OVER THE SOUTHEAST CORNER OF WYOMING
THROUGH THE EVENING.  WHILE NO SEVERE WEATHER IS EXPECTED...SOME OF
THE STORMS WILL CAUSE LOCALLY HEAVY RAIN AND SMALL HAIL.

WITH THE GROUND ALREADY SOAKED FROM PREVIOUS RAINFALL SATURDAY AND
SUNDAY...ANY RAIN TODAY WILL ONLY ADD TO FLOODING PROBLEMS.  SOME
ADDITIONAL MINOR FLOODING OF SMALL CREEKS AND STREAMS IS LIKELY LATER
TODAY INTO THIS EVENING.

PEOPLE IN THE SOUTHEAST CORNER OF WYOMING SHOULD AVOID SMALL CREEKS
AND STREAMS.  SHOULD YOU ENCOUNTER RISING WATER...CLIMB TO HIGHER
GROUND IMMEDIATELY.  MOTORISTS SHOULD NEVER ATTEMPT TO CROSS WvATER
OF AN UNKNOWN DEPTH.

HATTEN
Special weather statement, Jun 3, 12:20 PM MDT, 5 hours before
NEZ001-005-011-031915

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
1220 PM MDT MON JUN 3 1991

...THUNDERSTORMS IN THE CENTRAL NEBRASKA PANHANDLE...

AT 1218 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS FROM JUST SOUTH
OF SCOTTSBLUFF TO 23 MILES SOUTHWEST OF ALLIANCE TO 40 MILES NORTHEAST
OF SIDNEY.  OTHER STRONG STORMS WERE LOCATED FROM 30 MILES WEST OF
ALLIANCE INTO THE ALLIANCE AREA.  ALL STORMS WERE MOVING NORTH AT
20 MPH.

BRIEF HEAVY RAIN...STRONG GUSTY WIND AND SMALL HAIL ARE POSSIBLE WITH
THESE STORMS AS THEY MOVE ACROSS SCOTTS BLUFF...MORRILL...GARDEN....BOX
BUTTE AND SOUTHERN SHERIDAN COUNTIES UNTIL 115 PM MDT.
PEEK
Special weather statement, Jun 3, 4:00 PM MDT, 1 hour 20 minutes before
NEZ001-005-011-032245

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
400 PM MDT MON JUN 3 1991

...THUNDERSTORMS IN THE SOUTHERN NEBRASKA PANHANDLE...

AT 358 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS 12 MILES NORTH OF
SIDNEY NEAR DALTON...AND 15 MILES WEST OF SIDNEY.  THE STORMS WERE
MOVING NORTH AT 30 MPH.

BRIEF HEAVY RAIN...STRONG GUSTY WIND AND DEADLY LIGHTNING ARE POSSIBLE
WITH THESE STORMS AS THEY MOVE ACROSS CHEYEN`NE AND KIMBALL COUNTIES
UNTIL 445 PM MDT.
PEEK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 12:52 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes38 min
Jun 3, 1:23 PM MDTTornado WarningCYSSioux37 min
Jun 3, 1:56 PM MDTSevere Thunderstorm WarningCYSDawes34 min
Jun 3, 4:49 PM MDTTornado WarningCYSBanner26 min
Jun 3, 5:09 PM MDTSevere Thunderstorm WarningCYSSheridan36 min

Nearby

Tornado Warnings in Nebraska, 1991Every tornado warning in 1991Tornadoes in 1991

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.