Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS North Platte, NE

June 6, 1994Perkins County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 6, 1994, 5:44 PM MDT for Perkins County, Nebraska. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1994, 5:44 PM MDT (23:44 UTC)
Expired
Jun 6, 1994, 6:30 PM MDT
In force
46 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Perkins County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.7 hours before the alert went out and 93 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 1994-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 887 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1994-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 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
887 J/kg
Mixed-layer CIN
-288 J/kg
Mixed-layer LCL
1403 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
-7 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 
WUUS1 KLBF 062346 RRA
SVRLBF
NEC135-070030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
644 PM CDT (544 PM MDT) MON JUN 6 1994
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT (630 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST NEBRASKA
 
   ...WESTERN PERKINS COUNTY
 
AT 540 PM MDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 5 MILES NORTH
OF VENANGO OR ABOUT 55 MILES WEST SOUTHWEST OF NORTH PLATTE. THIS STORM
WAS MOVING NORTHEAST AT 20 MILES AN HOUR.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
 MONSON 2344Z

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 6, 3:24 PM MDT, 2 hours 20 minutes before
NEZ023>025-035>037-057-059-071-062225-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
424 PM CDT (324 PM MDT) MON JUN 6 1994

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF WEST CENTRAL AND
   SOUTHWEST NEBRASKA UNTIL 10 PM CDT(9 PM MDT)...

AT 420 PM CDT(320 PM MDT)...RADAR INDICATED NO THUNDERSTORMS IN THE
WATCH AREA.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...XMOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

DALEY
Special weather statement, Jun 6, 4:42 PM MDT, 1 hour 2 minutes before
NEZ023>025-035>037-057>059-069-071-062340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
541 PM CDT (441 PM MDT) MON JUN 6 1994

...A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT (9 PM MDT)
   FOR MUCH OF WEST CENTRAL NEBRASKA...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT (9 PM MDT)
FOR GRANT...HOOKER...THOMAS...ARTHUR...MCPHERSON...LOGAN...
KEITH...AND LINCOLN COUNTIES OF NEBRASKA.

AT 430 PM MDT RADAR SHOWED THE STRONGEST THUNDERSTORMS LOCATED
IN SOUTHEAST SHERIDAN COUNTY...ABOUT 30 MILES NORTHEAST OF ALLIANCE.

ANOTHER GROUP OF THUNDERSTORMS HAD FORMED IN NORTHEAST COLORADO...
WITH ONE THUNDERSTORM WITH VERY HEAVY RAIN AND SMALL HAIL LOCATED
ABOUT 75 MILES WEST SOUTHWEST OF NORTH PLATTE...OR ABOUT 10 MILES
TO THE NORTHWEST OF VENANGO...IN THE SOUTHWEST CORNER OF PERKINS
COUNTY IN SOUTHWEST NEBRASKA.

ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AROUND 30 MILES
AN HOUR.

PERSONS TRAVEL<ING OR VENTURING OUTDOORS THIS EVENING SHOULD KEEP AN
EYE TO THE SKY AND PREPARE FOR THE POSSIBILITY OF THREATENING WEATHER.
Special weather statement, Jun 6, 5:17 PM MDT, 27 minutes before
NEZ005-070015-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF
517 PM MDT MON JUN 6 1994

...TORNADO WATCH FOR NORTHCENTRAL NEBRASKA UNTIL 10PM CDT (9PM MDT)...

AT 610 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 25 MILES NORTHWEST OF
THE CITY OF VALENITNE NEBRASKA.  THE STORM WAS MOVING NORTHEAST AT 25
MPH.

ADVANCE PLANNING IS ESSENTIAL DURING A TORNADO WATCH. YOU SHOULD
KNOW WHERE THE SAFEST AREAS OF YOUR HOME OR BUSINESS ARE...SUCH AS
INTERIOR ROOMS ON THE LOWEST FLOOR POSSIBLE.

RENZ
Special weather statement, Jun 6, 5:40 PM MDT, 4 minutes before
NEZ023>025-035>037-057>059-069-071-070040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
638 PM CDT (538 PM MDT) MON JUN 6 1994

...A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT (9 PM MDT)
   FOR MUCH OF WEST CENTRAL NEBRASKA...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT (9 PM MDT)
FOR GRANT...HOOKER...THOMAS...ARTHUR...MCPHERSON...LOGAN...
KEITH...AND LINCOLN COUNTIES OF NEBRASKA.

AT 530 PM MDT RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS
STRETCHING FROM 55 MILES WEST OF NORTH PLATTE...NEAR OGALLALA...TO 70
MILES SOUTHWEST OF NORTH PLATTE...NEAR VENANGO.  A VERY STRONG THUNDERSTORM
WAS LOCATED 9 MILES NORTH OF VENANGO OR ABOUT 65 MILES WEST SOUTHWEST OF
NORTH PLATTE.  ANOTHER STRONG THUNDERSTORM WAS 15 MILES NORTH OF VENANGO
OR ABOUT 65 MILES WEST OF NORTH PLATTE.  THESE STORMS WERE MOVING TO THE
NORTHEAST AT 20 MILES AN HOUR.  THESE STORMS PRODUCED PEA-SIZED HAIL AS THEY
MOVED THROUGH NORTHEAST COLORADO AND WILL LIKELY CONTINUE PRODUCING SMALL
HAIL...BRIEF HEAVY RAIN AND GUSTY WINDS AS THEY MOVE INTO WESTERN
PERKINS AND SOUTHWEST KEITH COUNTIES.

PERSONS TRAVELING OR VENTURING OUTDOORS THIS EVENING SHOULD KEEP AN
EYE TO THE SKY AND PREPARE FOR THE POSSIBILITY OF THREATENING WEATHER.

FAUCETTE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 5:23 PM MDTSevere Thunderstorm WarningLBFCherry37 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.