Alert archive / Nebraska / Tornado Warnings in 1991

Tornado Warning 28, NWS North Platte, NE

June 4, 1991Stanton County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 4, 1991, 5:35 PM CDT for Stanton County, Nebraska. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1991, 5:35 PM CDT (22:35 UTC)
Expired
Jun 4, 1991, 6:15 PM CDT
In force
40 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Stanton County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 12:00Z, 10.6 hours before the alert went out and 95 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, Omaha, NE at 12:00Z on 1991-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1264 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, Omaha, NE at 12:00Z on 1991-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
1264 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 042235
TOROFK
NEC167-042315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
535 PM CDT TUE JUN 4 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTHEAST PART OF NEBRASKA
      STANTON

AT 530 PM SPOTTERS REPORTED A TORNADO ON THE GROUND 4 MILES NORTH
OF CLARKSON.  THE TORNADO WAS MOVING NORTH AT ABOUT 15 MPH.

PERSONS NORTH OF CLARKSON TOWARD STANTON SHOULD TAKE COVER
IMMEDIATELY.

TAKE SHELTER IMMEDIATELY...GET TO A BASEMENT IF POSSIBLE.  OTHERWISE
GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.  ABANDON CARS AND
MOBILE HOMES...TAKE SHELTER IN A REINFORCED BUILDING.

 A TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST NEBRASKA UNTIL
 9 PM.

 DK

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 4, 12:43 PM CDT, 4 hours 52 minutes before
NEZ006-007-012-016-017-041900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
145 PM CDT TUE JUN 4 1991

NOAA WEATHER RADIO WXL 68 ORIGINATING FROM THE WEATHER SERVICE OFFICE
AT NORTH! PLATTE...WILL BE DOWN FOR MAINTENANCE UNTILL ABOUT 2 PM CDT
THIS AFTERNOON.

RN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 1:09 PM CDTTornado WarningLBFHolt36 min
Jun 4, 2:37 PM CDTSevere Thunderstorm WarningLBFAntelope, Knox68 min
Jun 4, 3:15 PM CDTTornado WarningLBFMadison30 min
Jun 4, 3:47 PM CDTSevere Thunderstorm WarningLBFMadison, Pierce58 min
Jun 4, 3:51 PM CDTTornado WarningLBFMadison, Stanton39 min
Jun 4, 4:31 PM CDTTornado WarningLBFMadison, Pierce, Stanton, Wayne44 min
Jun 4, 4:46 PM CDTFlash Flood WarningLBFMadison, Pierce, Stanton, Wayne4 hr
Jun 4, 5:18 PM CDTSevere Thunderstorm WarningLBFMadison, Stanton, Wayne57 min
Jun 4, 6:17 PM CDTTornado WarningLBFCuming43 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.