Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 45, NWS North Platte, NE

June 22, 1994Grant County, Hooker County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 22, 1994, 1:19 PM MDT for Grant County, Hooker County, Nebraska. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1994, 1:19 PM MDT (19:19 UTC)
Expired
Jun 22, 1994, 2:15 PM MDT
In force
56 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Grant County, NE, Hooker County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.3 hours before the alert went out and 112 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 1994-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 197 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 1994-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.1939Sfc1 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
197 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
798 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
97 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 
WUUS1 KLBF 221919 RRA
SVRLBF
NEC075-091-222015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
119 PM MDT WED JUN 22 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 215 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTH CENTRAL PART OF NEBRASKA
      WESTERN GRANT...HOOKER

AT 1 PM MDT THE GRANT COUNTY SHERIFF AT HYANNIS REPORTED 55 MILE AN
HOUR WINDS AND VERY HEAVY RAIN AT HYANNIS...75 MILES NORTHWEST OF
NORTH PLATTE.  THIS STORM WILL BE IN THE WHITMAN AREA BY 120 PM MDT
AND IN THE MULLEN AREA BY 200 PM MDT.  THE STORM WAS MOVING TO THE
EAST AT 15 MILES AN HOUR.

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

INTENSE LIGHTNING IS REPORTED WITH THIS STORM.  IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS.  MOVE INDOOR IF POSSIBLE.  WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.

 POWER 1918

What forecasters said that day

The local office's own words before this severe thunderstorm 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 22, 12:53 PM MDT, 26 minutes before
NEZ023-221945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
152 PM CDT WED JUN 22 1994

AT 140 PM CDT AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN...GUSTY WINDS
AND POSSIBLE SMALL HAIL HAD MOVED INTO NORTHWEST GRANT COUNTY...80 MILES
NORTHWEST OF NORTH PLATTE.  THIS THUNDERSTORM WAS MOVING TO THE EAST AT
15 MILES AN HOUR AND WILL AFFECT THE COMMUNITIES OF ASHBY...HYANNIS AND
WHITMAN UNTIL 3PM CDT OR 2PM MDT.

PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK SHELTER AS IT PASSES.

POWER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 1:28 PM MDTSevere Thunderstorm WarningLBFGrant, Hooker62 min
Jun 22, 3:04 PM MDTSevere Thunderstorm WarningLBFLincoln56 min
Jun 22, 3:24 PM MDTSevere Thunderstorm WarningLBFLincoln36 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.