Alert archive / Nebraska / Tornado Warnings in 1991

Tornado Warning 29, NWS North Platte, NE

June 4, 1991Cuming County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 4, 1991, 6:17 PM CDT for Cuming County, Nebraska. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1991, 6:17 PM CDT (23:17 UTC)
Expired
Jun 4, 1991, 7:00 PM CDT
In force
43 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Cuming County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 12:00Z, 11.3 hours before the alert went out and 75 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 042317
TOROFK
NEC039-050000-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTHEAST PART OF NEBRASKA
      CUMING

AT 612 PM CDT RADAR INDICATED A POSSIBLE TORNADO 25 MILES SOUTHEAST
OF NORFOLK...ON THE STANTON-CUMING COUNTY LINE JUST NORTH OF
HOWELLS.  THE TORNADO WAS MOVING TO THE NORTHEAST AT 10 TO 15 MPH.

AREAS FROM JUST NORTH OF HOWELLS TO THE WISNER AND BEEMER AREAS
ARE UNDER THE POSSIBLE PATH OF THIS TORNADO.

TAKE SHELTER IMMEDIATELY...GET TO A BASEMENT IF PO;SSIBLE.  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 THE WARNED AREA 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, 5 hours 34 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, 5:35 PM CDTTornado WarningLBFStanton40 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.