Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 121, NWS North Platte, NE

July 29, 1992Hitchcock County, Red Willow County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 29, 1992, 8:06 PM CDT for Hitchcock County, Red Willow County, Nebraska. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1992, 8:06 PM CDT (01:06 UTC)
Expired
Jul 29, 1992, 8:45 PM CDT
In force
39 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Hitchcock County, NE, Red Willow County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.1 hours before the alert went out and 107 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 1992-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2413 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 1992-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
2413 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
1144 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
324 m²/s²
Significant tornado parameter
2.7
Supercell composite
14.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 300108
SVRLBF
NEC087-145-300145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
806 PM CDT WED JUL 29 1992
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  835 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST NEBRASKA
 
   ...SOUTHEASTERN HITCHCOCK COUNTY...SOUTHWESTERN RED-WILLOW COUNTY
 
AT 802 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF
MCCOOK OR 5 MILES SOUTHEAST OF CULBERTSON. THE STORM WAS MOVING
SOUTHEAST AT 30 MILES AN HOUR. MCCOOK AND CULBERTSON ARE ABOUT 60
MILES SOUTH OF NORTH PLATTE.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED 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.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
ABBAS

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 29, 3:35 PM CDT, 4 hours 31 minutes before
NEZ006-012-016-017-292130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
335 PM CDT WED JUL 29 1992

...A TORNADO WATCH IS IN EFFECT UNTIL 8 PM MDT OR 9 PM CDT FOR
   GRANT..ARTHUR AND KEITH COUNTIES IN WEST CENTRAL NEBRASKA...

AT 332 PM CDT...A THUNDERSTORM WITH VERY HEAVY RAIN AND POSSIBLY
SMALL HAIL AND GUSTY WINDS WAS LOCATED 10 MILES NORTH OF THEDFORD
OR 65 MILES NORTH OF NORTH PLATTE. THIS THUNDERSTORM WAS MOVING
EAST BSOUTHEAST AT 20 MILES AN HOUR.

OTHER THUNDERSTORMS WERE OCCURRING IN THE NEBRASKA PANHANDLE AND
WILL LIKELY MOVE INTO ARTHUR AND KEITH COUNTIES AROUND 530 PM CDT.

ABBAS
Special weather statement, Jul 29, 4:15 PM CDT, 3 hours 51 minutes before
NEZ006-012-292215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
413 PM CDT WED JUL 29 1992

...A TORNADO WATCH IS IN EFFECT UNTIL 8 PM MDT OR 9 PM CDT FOR
   GRANT..ARTHUR AND KEITH COUNTIES IN WEST CENTRAL NEBRASKA...

AT 410 PM CDT...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE
LOCATED OVER WEST CENTRAL NEBRASKA.  THE STRONGEST THUNDERSTORM
WAS LOCATED 15 MILES NORTHEAST OF STAPLETON OR 40 MILES NORTHEAST
OF NORTH PLATTE. THIS THUNDERSTORM WILL LIKELY PRODUCE A BRIEF PERIOD
OF HEAVY RAIN.  SMALL HAIL AND GUSTY WINDS WILL ALSO BE POSSIBLE.

OTHER THUNDERSTORMS WERE LOCATED OVER THE NEBRASKA PANHANDLE. A FEW
OF THESE THUNDERSTORMS WILL MOVE INTO KEITH AND ARTHUR COuUNTIES
AROUND 5 PM CDT.

THE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 30 MILES AN HOUR.
ABBAS
Special weather statement, Jul 29, 5:10 PM CDT, 2 hours 56 minutes before
NEZ006-012-292300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
410 PM MDT WED JUL 29 1992

...SHOWERS AND THUNDERSTORMS WERE MOVING INTO SOUTHWEST AND
   WEST CENTRAL NEBRASKA FROM THE PANHANDLE AND NORTHEAST COLORADO...

AT 405 PM MDT...A STRONG THUNDERSTORM WAS LOCATED 15 MILES WEST OF
GRANT OR 65 MILES WEST SOUTHWEST OF NORTH PLATTE. THIS THUNDERSTORM
WILL PRODUCE A BRIEF PERIOD OF VERY HEAVY RAIN.  SMALL HAIL AND
GUSTY WINDS WILL ALSO BE POSSIBLE.

THIS STRONG THUNDERSTORM WAS PART OF A LARGER AREA OF SHOWERS AND
THUNDERSTORMS LOCATED FROM 10 MILES SOUTHWEST OF ARTHUR TO NEAR
VENANGO. ARTHUR AND VENANGO ARE LOCATED 55 MILES WEST NORTHWEST
AND 65 MILES WEST SOUTHWEST OF NORTH PLATTE.

THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.
ABBAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 7:22 PM CDTSevere Thunderstorm WarningLBFLincoln53 min
Jul 29, 8:00 PM CDTTornado WarningLBFFrontier, Lincoln30 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1992Every severe thunderstorm warning in 1992

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.