Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 101, NWS North Platte, NE

July 12, 1994Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 12, 1994, 9:26 PM CDT for Lincoln County, Nebraska. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1994, 9:26 PM CDT (02:26 UTC)
Expired
Jul 12, 1994, 10:20 PM CDT
In force
54 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, 2.4 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 1994-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2329 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 1994-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 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
2329 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
1.4
Supercell composite
13.8

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KLBF 130226 RRA
SVRLBF
NEC111-130320-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
926 PM CDT TUE JUL 12 1994
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1020 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST NEBRASKA
 
   ...WESTERN LINCOLN COUNTY
 
AT 920 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM LOCATED NEAR
SUTHERLAND RESERVOIR...OR ABOUT 20 MILES WEST OF NORTH PLATTE. MOVEMENT
WAS TO THE SOUTHEAST AT AROUND 30 MILES PER HOUR.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
FAUCETTE

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, Jul 12, 4:41 PM CDT, 4 hours 45 minutes before
NEZ023>025-035>037-057>059-122240-

SPECIAL WEATHER STATEMENT...CORRECTED TYPO
NATIONAL WEATHER SERVICE NORTH PLATTE NE
438 PM CDT (338 PM MDT) TUE JUL 12 1994

...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF WEST CENTRAL AND SOUTHWEST
   NEBRASKA UNTIL 900 PM CDT...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GRANT...HOOKER...THOMAS
...ARTHUR...MCPHERSON...LOGAN...KEITH...LINCOLN AND PERKINS COUNTIES
UNTIL 9 PM CDT (8 PM MDT).

AT 430 PM CDT RADAR INDICATED STRONG THUNDERSTORMS MOVING INTO KEITH
COUNTY.  THESE THUNDERSTORMS WERE JUST WEST OF THE KEITH/GARDEN COUNTY
LINE AND WERE MOVING TO THE EAST AT 25 MILES PER HOUR.  THE STORMS
STRETCHED FROM 70 MILES WEST NORTHWEST OF NORTH PLATTE OR 25 MILES
NORTHWEST OF OGALLALA TO 75 MILES WEST OF NORTH PLATTE OR 28 MILES WEST
OF OGALLALA.

THESE STORMS LIKELY WILL PRODUCE HEAVY RAIN...GUSTY WINDS AND SMALL

HAIL AS THEY INTO WESTERN KEITH COUNTY BY 300 PM MDT.

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

FAUCETTE
Special weather statement, Jul 12, 5:35 PM CDT, 3 hours 51 minutes before
NEZ005-122330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
434 PM MDT (534 PM CDT) TUE JUL 12 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM MDT / 9 PM CDT...

AT 432 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS WERE OVER THE
NORTHWEST PART OF CHERRY COUNTY.  THE STORMS WERE FROM 50 MILES WEST
TO 70 MILES WEST OF VALENTINE...OR FROM 10 MILES SOUTH TO 25 MILES
SOUTHWEST OF MERRIMAN NEBRASKA.  THE STORMS WERE MOVING TO THE EAST
AT 20 MILES AN HOUR AND WILL LIKELY PRODUCE HEAVY RAIN...SMALL HAIL...
GUSTY WIND AND DEADLY LIGHTNING ALONG THEIR TRACK.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CHERRY COUNTY UNTIL 8 PM
MDT / 9 PM CDT.  RESIDENTS OF WESTERN CHERRY COUNTY SHOULD BE ALERT TO
THESE THUNDERSTORMS AS THEY MOVE ACROSS THEIR AREA THROUGH 530 PM
MDT / 630 PM CDT.
EMANUEL
Special weather statement, Jul 12, 5:38 PM CDT, 3 hours 48 minutes before
NEZ023>025-035>037-057>059-069>071-122340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
539 PM CDT (439 PM MDT) TUE JUL 12 1994

...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF WEST CENTRAL AND SOUTHWEST
   NEBRASKA UNTIL 900 PM CDT...
...SEVERE THUNDERSTORM WATCH FOR SOUTHWEST NEBRASKA UNTIL 1100 PM CDT...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GRANT...HOOKER...THOMAS
...ARTHUR...MCPHERSON...LOGAN...KEITH...LINCOLN AND PERKINS COUNTIES
UNTIL 9 PM CDT (8 PM MDT).  A SEVERE THUNDERSTORM WATCH IS IN EFFECT
FOR CHASE...HAYES AND FRONTIER COUNTIES UNTIL 11 PM CDT (10 PM MDT).

AT 530 PM CDT RADAR INDICATED A STRONG THUNDERSTORM MOVING ACROSS
WESTERN KEITH COUNTY.  THIS STORM WAS LOCATED 60 MILES WEST OF NORTH
PLATTE OR ABOUT 15 MILES WEST OGALLALA AND WAS MOVING TO THE EAST AT 20
MILES PER HOUR.  SMALL HAIL...GUSTY WINDS AND BRIEF HEAVY RAIN IS
POSSIBLE WITH THIS STORM.

OTHER STRONG THUNDERSTORMS WERE LOCATED IN NORTHEAST COLORADO AND WILL
LIKELY MOVE INTO PERKINS AND CHASE COUNTIES BY 530 PM MDT.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

FAUCETTE
Special weather statement, Jul 12, 6:34 PM CDT, 2 hours 52 minutes before
NEZ005-130030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
533 PM MDT (633 PM CDT) TUE JUL 12 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM MDT / 9 PM CDT...

AT 531 PM MDT...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS OVER
WESTERN CHERRY COUNTY.  THE STORMS EXTENDED FROM 15 MILES WEST OF
VELENTINE TO 75 MILES SOUTHWEST OF VALENTINE.  THESE STORMS WERE
MOVING TO THE SOUTHEAST AT 20 MILES AN HOUR AND WILL LIKELY PRODUCE
HEAVY RAIN...SMALL HAIL...GUSTY WIND AND DEADLY LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR CHERRY COUNTY UNTIL
8 PM MDT / 9 PM CDT.  RESIDENTS OF CHERRY COUNTY SHOULD BE ALERT TO
THESE THUNDERSTORMS AS THEY MOVE ACROSS THEIR AREA THROUGH 630 PM
MDT / 730 PM CDT.
EMANUEL
Special weather statement, Jul 12, 7:05 PM CDT, 2 hours 21 minutes before
NEZ023>025-035>038-057>059-069>071-130105-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
706 PM CDT TUE JUL 12 1994

...SEVERE THUNDERSTORM WATCH UNTIL 9 PM CDT FOR A LARGE PART OF WEST
   CENTRAL AND SOUTHWEST NEBRASKA...

...SEVERE THUNDERSTORM WATCH FOR THE REMAINDER OF SOUTHWEST NEBRASKA
   UNTIL 11 PM CDT...

THE LINE OF STORMS...SOME SEVERE...WHICH WERE MOVING SOUTHEAST ACROSS
WESTERN GRANT COUNTY HAVE DECREASED SOME IN INTENSITY AND ARE NO LONGER
SEVERE. AT 705 PM CDT THE MOST INTENSE PART OF THIS LINE OF STORMS WAS
ABOUT 5 MILES NORTHWEST OF ARTHUR OR ABOUT 60 MILES WEST NORTHWEST OF
NORTH PLATTE EXTENDING SOUTHWEST TO ABOUT 10 MILES WEST OF ARTHUR.
THESE STORMS IN THIS LINE ARE STILL CAPABLE OF PRODUCING PEA TO MARBLE
SIZE HAIL ALONG WITH WINDS FROM 40 TO 50 MILES AN HOUR AS THEY MOVE
SOUTHEAST ACROSS ARTHUR COUNTY AT 20 MILES AN HOUR.  RESIDENTS OF THE
COMMUNITY OF ARTHUR SHOULD BE PREPARED TO TAKE COVER AS THESE STORMS
APPROACH.

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

MONSON
Special weather statement, Jul 12, 7:26 PM CDT, 2 hours before
NEZ023>025-035>038-057>059-069>071-130130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
727 PM CDT TUE JUL 12 1994

...SEVERE THUNDERSTORM WATCH UNTIL 9 PM CDT FOR A LARGE PART OF WEST
   CENTRAL AND SOUTHWEST NEBRASKA...

...SEVERE THUNDERSTORM WATCH FOR THE REMAINDER OF SOUTHWEST NEBRASKA
   UNTIL 11 PM CDT...

AT 625 PM MDT INTENSE THUNDERSTORMS WERE CONTINUING TO MOVE SOUTHEAST
AT 15 MILES AN HOUR ACROSS ARTHUR COUNTY.  THESE STORMS WERE JUST
NORTHWEST OF ARTHUR OR ABOUT 55 MILES WEST NORTHWEST OF NORTH PLATTE
EXTENDING SOUTHWEST TO ABOUT 30 MILES SOUTHWEST OF ARTHUR.  PEA TO
MARBLE SIZE HAIL ALONG WITH 40 TO 50 MILE AN HOUR WINDS ARE LIKELY
WITH THESE STORMS AS THEY MOVE THROUGH THE COMMUNITY OF ARTHUR.
RESIDENTS OF ARTHUR SHOULD MOVE TO A PLACE OF SHELTER AS THESE STORMS
APPROACH.

ANOTHER INTENSE THUNDERSTORM WAS ABOUT 5 MILES NORTHEAST OF MULLEN IN
HOOKER COUNTY OR ABOUT 50 MILES SOUTH OF VALENTINE.  THIS STORM HAS
BEEN INCREASING IN INTENSITY AND MAY ALSO PRODUCE SMALL HAIL ALONG
WITH 40 TO 50 MILE AN HOUR WINDS AS IT MOVES ACROSS WESTERN THOMAS
COUNTY.

IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER
INFORMATION AND KEEP A WEATHER EYE ON THE SKY.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
FOR THE LATEST WEATHER INFORMATION.

MONSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 7:30 PM CDTTornado WarningLBFArthur30 min
Jul 12, 7:57 PM CDTSevere Thunderstorm WarningLBFArthur, Keith48 min
Jul 12, 8:47 PM CDTSevere Thunderstorm WarningLBFKeith58 min
Jul 13, 1:03 AM CDTFlash Flood WarningLBFCedar, Knox, Madison, Pierce, Stanton, Wayne3 hr

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.