Alert archive / Nebraska / Tornado Warnings in 1991

Tornado Warning 8, NWS North Platte, NE

May 28, 1991Chase County, Hayes County, Nebraska

NWS North Platte, NE issued this tornado warning at May 28, 1991, 6:21 PM MDT for Chase County, Hayes County, Nebraska. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
May 28, 1991, 6:21 PM MDT (00:21 UTC)
Expired
May 28, 1991, 7:30 PM MDT
In force
69 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Chase County, NE, Hayes County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.4 hours before the alert went out and 94 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, N. Platte/Lee Bi, NE at 00:00Z on 1991-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1333 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, N. Platte/Lee Bi, NE at 00:00Z on 1991-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1333 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1561 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 290023 COR
TORLBF
NEC029-085-290130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
721 PM CDT TUE MAY 28 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

   IN THE SOUTHWEST PART OF NEBRASKA
      SOUTHEAST CHASE...SOUTHWEST HAYES

AT 555 PM MDT PUBLIC REPORTED A FUNNEL CLOUD 4 MILES SOUTH OF
WAUNETA...WHICH IS 45 MILES SOUTHWEST OF NORTH PLATTE.  RADAR
INDICATES A POSSIBLE TORNADO 5 MILES NORTH OF WAUNETA MOVING
BNORTHEAST AT 30 MILES AN HOUR.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE TO BE IS IN
A BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...FIND SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

THIS IS A DANGEROUS STORM.  ACT QUICKLY.  IF YOU ARE IN THE PATH
OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES...TAKE
COVER IN A REINFORCED BUILDING OR GETq INTO A DITCH OR CULVERT.

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 28, 12:32 PM MDT, 5 hours 49 minutes before
NEZ006-007-012-016-017-281930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
135 PM CDT TUE MAY 28 1991

AT 130 PM CDT A THUNDERSTORM WHICH DEVELOPED EARLIER TO THE SOUTHWEST
OF NORTH PLATTE HAS INTENSIFIED AND MOVED NORTH NORTHEAST.  THIS
THUNDERSTORM HAS BECOME QUITE STRONG AND IS NOW LOCATED JUST NORTHWEST
OF TRYON OR ABOUT 30 MILES NORTH NORTHWEST OF NORTH PLATTE.  THIS
THUNDERSTORM HAS INTENSIFIED VERY RAPIDLY AND MAY PRODUCE SOME HAIL
ALONG WITH BRIEF HEAVY RAIN.

THE THUNDERSTORM HAS BEEN MOVING TO THE NORTH NORTHEAST AT ABOUT 30
MILES AN HOUR.

MONSON
Special weather statement, May 28, 1:10 PM MDT, 5 hours 11 minutes before
NEZ006-007-012-016-017-282000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
210 PM CDT TUE MAY 28 1991

AT 205 PM CDT A STRONG THUNDERSTORM WAS CENTERED BETWEEN MULLEN AND
THEDFORD OR ABOUT 55 MILES SOUTH SOUTHWEST OF VALENTINE.  THIS
THUNDERSTORM CONTINUES TO MOVE RAPIDLY NORTH NORTHEAST AND WILL BE
MOVING INTO SOUTHERN CHERRY COUNTY BY 215 PM CDT.  SO FAR ONLY BRIEF
HEAVY RAIN HAS BEEN REPORTED WITH THIS THUNDERSTORM HOWEVERM THE MAIN
PART OF THE THUNDERSTORM IS OVER OPEN COUNTRY.

BRIEF HEAVY RAIN ALONG WITH SOME SMALL HAIL IS LIKELY AS THIS
THUNDERSTORM CONTINUES TO MOVE NORTH NORTHEAST AT 35 MILES AN HOUR.

MONSON
Special weather statement, May 28, 4:04 PM MDT, 2 hours 17 minutes before
NEZ006-007-012-016-017-290000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
500 PM CDT TUE MAY 28 1991

....TORNADO WATCH 415 IN EFFECT UNTIL 9PM MDT FOR..KEITH..PERKINS
...CHASE AND DUNDY COUNTIES OF SOUTHWEST NEBRASKA...

AT 500 PM CDT SOME LIGHT SHOWERS WERE IN WEST CENTRAL NEBRASKA.
THE SHOWERS WAS IN A 20 MILE BAND FROM WHITMAN IN NORTHEAST GRANT
COUNTY OR 57 MILES EAST OF ALLIANCE TO 30 MILES NORTHWEST OF
OGALLALA IN KIETH COUNTY OR 50 MILES WEST OF NORTH PLATTE.
THE SHOWERS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.

NO SEVERE WEATHER WAS OCCURING IN THE WATCH AREA IN SOUTHWEST
NEBRASKA.  THE CITIES INCLUDED IN THE WATCH AREA ARE OGALLALA
AND IMPERIAL.
HETZKE
Special weather statement, May 28, 4:45 PM MDT, 1 hour 36 minutes before
NEZ006-007-012-016-017-290100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
540 PM CDT TUE MAY 28 1991

....TORNADO WATCH 415 IN EFFECT UNTIL 9PM MDT FOR..KEITH..PERKINS
...CHASE AND DUNDY COUNTIES OF SOUTHWEST NEBRASKA...

AT 540 PM CDT SOME LIGHT SHOWERS WERE IN WEST CENTRAL NEBRASKA.
THE SHOWERS WAS IN A 10 MILE BAND FROM 20 MILES SOUTHWEST OF MULLEN
IN HOOKER COUNTY OR 53 MILES SOUTH SOUTHWEST OF VALENTINE TO
10 MILES SOUTHWEST OF ARTHUR IN ARTHUR COUNTY OR 55 MILES
WEST NORTH WEST OF NORTH PLATTE. THESE SHOWERS WERE MOVING
NORTHEAST AT 30 MILES AN HOUR.

NO SEVERE WEATHER WAS OCCURING IN THE WATCH AREA IN SOUTHWEST
NEBRASKA.  THE CITIES INCLUDED IN THE /WATCH AREA ARE OGALLALA
AND IMPERIAL. STRONG THUNDERSTORMS WERE IN NORTHEAST COLORADO
AND WILL BE MOVING INTO SOUTHWEST NEBRASKA BY 500 PM MDT.
HETZKE
Special weather statement, May 28, 5:20 PM MDT, 1 hour 1 minute before
NEZ006-007-012-016-017-290130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
615 PM CDT TUE MAY 28 1991

....TORNADO WATCH 415 IN EFFECT UNTIL 9PM MDT FOR..KEITH..PERKINS
...CHASE AND DUNDY COUNTIES OF SOUTHWEST NEBRASKA...

AT 615 PM CDT STRONG THUNDERSTORMS WERE MOVING OUT OF COLORADO
INTO SOUTHWEST NEBRASKA. A 60 MILE BAND OF STRONG THUNDERSTORMS
EXTENDING FROM 20 MILES NORTH OF OGALLALA IN KEITH COUNTY OR 60
MILES WEST OF NORTH PLATTE TO 20 MILES SOUTHWEST OF IMPERIAL
IN CHASE COUNTY OR 65 MILES SOUTHWEST OF NORTH PLATTE.
THIS BAND OF THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH.

BRIEF HEAVY RAIN..GUSTY SURFACE WINDS AND HAIL WITH THESE
THUNDERSTORMS. IF THLREATENING WEATHER APPROACHES GO TO A
BASEMENT OR INTERIOR ROOM.

HETZKE

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 6:43 PM MDTTornado WarningLBFLincoln32 min
May 28, 6:57 PM MDTSevere Thunderstorm WarningLBFLincoln33 min
May 28, 7:08 PM MDTTornado WarningLBFLincoln, Logan37 min
May 28, 7:09 PM MDTTornado WarningLBFLincoln36 min
May 28, 7:15 PM MDTTornado WarningLBFLogan30 min
May 28, 7:58 PM MDTSevere Thunderstorm WarningLBFBlaine, Brown47 min
May 28, 8:07 PM MDTSevere Thunderstorm WarningLBFCuster48 min
May 28, 9:33 PM MDTSevere Thunderstorm WarningLBFHolt42 min
May 28, 10:25 PM MDTSevere Thunderstorm WarningLBFBoone35 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.