Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 142, NWS North Platte, NE

September 3, 1994Custer County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Sep 3, 1994, 7:55 PM CDT for Custer County, Nebraska. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Sep 3, 1994, 7:55 PM CDT (00:55 UTC)
Expired
Sep 3, 1994, 9:00 PM CDT
In force
65 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Custer County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.9 hours before the alert went out and 79 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 1994-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2081 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 1994-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 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
2081 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1805 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
370 m²/s²
Significant tornado parameter
0.9
Supercell composite
9.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 040055 RRA
SVRLBF
NEC041-040200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
755 PM CDT SAT SEP 3 1994
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL NEBRASKA
 
   ...NORTHERN CUSTER COUNTY
 
AT 750 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF
ANSELMO IN CUSTER COUNTY WHICH IS ABOUT 60 MILES NORTHEAST OF NORTH
PLATTE. THIS STORM WAS MOVING EAST AT 30 MILES AN HOUR. THE COMMUNITY OF
ANSELMO IS IN THE PATH OF THIS STORM. LARGE HAIL IS LIKELY WITH THIS
STORM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE zWARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
MONSON 0055Z

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, Sep 3, 4:45 PM CDT, 3 hours 10 minutes before
NEZ023>025-035>038-057>059-069>071-032245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
445 PM CDT SAT SEP 3 1994

...A TORNADO WATCH IS IN EFFECT UNTIL 11 PM CDT (10 PM MDT) FOR
   SOUTHWEST AND WEST CENTRAL  NEBRASKA...

AT 430 PM CDT (330 MDT)...RADAR INDICATED AN AREA OF STRONG
THUNDERSTORMS FROM 60 MILES WEST TO 50 MILES SOUTHWEST OF NORTH PLATTE.
THE STRONGEST PART OF THESE THUNDERSTORMS WERE 5 MILES NORTHWEST OF
BIG SPRINGS IN DEUEL COUNTY WHICH IS 65 MILES WEST OF NORTH PLATTE.
THIS STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR.

ANOTHER STORM WAS LOCATED 5 MILES NORTHEAST OF GRANT IN PERKINS COUNTY
WITH IS 55 MILES SOUTHWEST OF NORTH PLATTE.  THIS STORM WAS MOVING
NORTHEAST AT 20 MILES AN HOUR.

STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND
SMALL HAIL MAY ACCOMPANY THE STRONGER STORMS.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES AND POSSIBLE WARNINGS CONCERNING THIS DANGEROUS
WEATHER SITUATION.

DALEY
Special weather statement, Sep 3, 5:46 PM CDT, 2 hours 9 minutes before
NEZ005-040000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
445 PM MDT (545 PM CDT) SAT SEP 3 1994

...TORNADO WATCH FOR CHERRY COUNTY UNTIL 10 PM MDT / 11 PM CDT...

AT 443 PM MDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS OVER THE
SOUTHEASTERN PART OF CHERRY COUNTY.  THE LINE EXTENDED FROM 20 MILES
SOUTHEAST OF VALENTINE...TO 30 MILES SOUTH OF VALENTINE...TO 65 MILES
SOUTHWEST OF VALENTINE.  THE LINE WAS MOVING EAST AT 35 MILES AN HOUR.

A TORNADO WATCH CONTINUES IN EFFECT UNTIL 10 PM MDT FOR CHERRY COUNTY.

THIS LINE OF STORMS WILL LIKELY PRODUCE HEAVY RAIN...GUSTY WIND...SMALL
HAIL AND DEADLY LIGHTNING AS IT MOVES OVER SOUTHEASTERN CHERRY COUNTY
UNTIL 600 PM MDT / 700 PM CDT.
EMANUEL
Special weather statement, Sep 3, 7:02 PM CDT, 53 minutes before
NEZ005-040100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
601 PM MDT (701 PM CDT) SAT SEP 3 1994

...TORNADO WATCH IN EFFECT FOR CHERRY COUNTY UNTIL 630 PM MDT...

THE TORNADO WATCH FOR CHERRY COUNTY OF NORTH CENTRAL NEBRASKA WILL BE IN
EFFECT UNTIL 630 PM MDT/730 PM CDT.

AT 6 PM MDT/7 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS OVER
SOUTHERN CHERRY COUNTY.  THE STORMS WERE 45 MILES SOUTH OF
VALENTINE...OR JUST A FEW MILES EAST OF BROWNLEE.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH.

PEOPLE IN THE SOUTHEASTERN PART OF CHERRY COUNTY SHOULD BE AWARE BRIEF
HEAVY RAIN...SMALL HAIL...DANGEROUS LIGHTNING AND GUSTY WINDS IN THE
PATHS OF THESE STORMS THROUGH 8 PM CDT.
KYLE

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.