Alert archive / Nebraska / Tornado Warnings in 1994

Tornado Warning 20, NWS North Platte, NE

July 1, 1994Logan County, McPherson County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 1, 1994, 4:52 PM CDT for Logan County, McPherson County, Nebraska. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 1, 1994, 4:52 PM CDT (21:52 UTC)
Expired
Jul 1, 1994, 5:45 PM CDT
In force
53 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Logan County, NE, McPherson County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.9 hours before the alert went out and 51 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 12:00Z on 1994-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2518 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 12:00Z on 1994-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
2518 J/kg
Mixed-layer CIN
-252 J/kg
Mixed-layer LCL
1213 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 012152
TORLBF
NEC113-117-012245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
452 PM CDT FRI JUL 1 1994

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

   IN THE NORTH CENTRAL PART OF NEBRASKA
      LOGAN...EASTERN MCPHERSON

AT 440  PM CDT SEVERE THUNDERSTORMS POSSIBLY PRODUCING TORNADOS
WERE MOVING INTO EASTERN MCPHERSON AND LOGAN COUNTIES.  THE
STORMS WERE MOVING SOUTHEAST AT 20 MPH AND WILL PASS NEAR TRYON
NEBRASKA AROUND 5 PM CDT.  THESE STORMS WERE ABOUT 40 MILES NORTH
OF NORTH PLATTE.

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.

REPORTS OF TORNADOS OR TORNADO DAMAGE SHOULD BE GIVEN TO A LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

THIS IS A DANGEROUS STORM.  ACT QUICKLY.  IF YOU ARE IN THE PATH
OF THIS TORNADO MOVE TO A SHELTER BELOW GROU$ND 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 GET INTO A DITCH OR CULVERT.

 RC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 9:55 PM CDTSevere Thunderstorm WarningLBFCedar, Knox55 min
Jul 1, 2:49 PM CDTSevere Thunderstorm WarningLBFMadison, Platte41 min
Jul 1, 3:29 PM CDTSevere Thunderstorm WarningLBFColfax, Madison, Platte, Stanton46 min
Jul 1, 3:29 PM CDTSevere Thunderstorm WarningLBFCuming46 min
Jul 1, 3:48 PM CDTSevere Thunderstorm WarningLBFCherry27 min
Jul 1, 4:38 PM CDTTornado WarningLBFHooker52 min
Jul 1, 4:43 PM CDTTornado WarningLBFThomas32 min
Jul 1, 5:11 PM CDTSevere Thunderstorm WarningLBFAntelope, Garfield, Holt, Knox, Wheeler49 min
Jul 1, 5:37 PM CDTSevere Thunderstorm WarningLBFCuster68 min
Jul 1, 6:30 PM CDTSevere Thunderstorm WarningLBFMadison, Pierce, Stanton, Wayne60 min

Nearby

Tornado Warnings in Nebraska, 1994Every tornado warning in 1994Tornadoes in 1994

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.