Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 96, NWS North Platte, NE

July 11, 1994Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 11, 1994, 11:47 PM CDT for Lincoln County, Nebraska. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1994, 11:47 PM CDT (04:47 UTC)
Expired
Jul 12, 1994, 12:45 AM CDT
In force
58 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Lincoln County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.8 hours before the alert went out and 15 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 1994-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1740 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 1994-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
1740 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
1550 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 120447
SVRLBF
NEC111-120545-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1147 PM CDT MON JUL 11 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1245 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHWEST PART OF NEBRASKA
      WESTERN AND NORTHERN LINCOLN

AT 1140 PM CDT A LINE OF SEVERE THUNDERSTORMS EXTENDS FROM 35
MILES SOUTHWEST OF NORTH PLATTE TO 25 MILES NORTH OF NORTH PLATTE
THE STORMS WERE MOVING NORTHEAST AT 25 MPH.  PEA TO MARBLE SIZE
HAIL OCCURRED IN SUTHERLAND AT 1130 PM CDT NORTH PLATTE AND
HERSHEY WERE IN THE PATH OF THIS STORM.

IF YOU ARE IN THE AREA THREATENED BJY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

 RC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 1:13 AM CDTSevere Thunderstorm WarningLBFLoup47 min
Jul 12, 6:06 PM CDTSevere Thunderstorm WarningLBFGrant54 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning 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.