Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 71, NWS North Platte, NE

July 5, 1992Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 5, 1992, 6:19 AM CDT for Lincoln County, Nebraska. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jul 5, 1992, 6:19 AM CDT (11:19 UTC)
Expired
Jul 5, 1992, 7:00 AM CDT
In force
41 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, 11.3 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 1992-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4381 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 1992-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
4381 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1331 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
3.7
Supercell composite
25.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 051120
SVRLBF
NEC111-051200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
619 AM CDT SUN JUL 5 1992
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST NEBRASKA
 
   ...EASTERN LINCOLN COUNTY
 
AT 613 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 2- NORTHWEST OF
NORTH PLATTE. THE STORM WAS MOVING SOUTHEAST AT 40 MPH. THIS STORM WILL
HIT NORTH PLATTE AND MAXWELL.
 
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.
 
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.

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 5, 4:47 AM CDT, 1 hour 32 minutes before
NEZ006-051100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
444 AM CDT SUN JUL 5 1992

...INTENSE THNDERSTORMS WILL MOVE INTO GRANT AND HOOKER COUNTIES IN
NEBRASKA IN THE NEXT HOUR...

AT 442 AM CDT OR 330 AM MDT...A LINE OF INTENSE THUNDERSTORMS WERE 20
MILES WIDE FROM 90 MILES NORTHWEST TO 100 MILES NORTHEAST OF NORTH
PLATTE.  THE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL
BE IN THE HYANNIS AND MULLEN TOWNSHIIP WITHIN THE HOUR.

BRIEF HEAVY RAIN...STRONG GUSTY WND AND DEADLY LIGHTNING ARE POSSIBLE
AS THIS STORM MOVING THROUGH GRANT AND HOOKER COUNTIES.

JER
Special weather statement, Jul 5, 4:48 AM CDT, 1 hour 31 minutes before
NEZ006-051100-

SPECIAL WEATHER STATEMENT...CORRECTION ON MDT...
NATIONAL WEATHER SERVICE NORTH PLATTE NE
444 AM CDT SUN JUL 5 1992

...INTENSE THNDERSTORMS WILL MOVE INTO GRANT AND HOOKER COUNTIES IN
NEBRASKA IN THE NEXT HOUR...

AT 442 AM CDT OR 342 AM MDT...A LINE OF INTENSE THUNDERSTORMS WERE 20
MILES WIDE FROM 90 MILES NORTHWEST TO 100 MILES NORTHEAST OF NORTH
PLATTE.  THE STORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL
BE IN THE HYANNIS AND MULLEN TOWNSHIP WITHIN THE HOUR.

BRIEF HEAVY RAIN...STRONG GUSTY WND AND DEADLY LIGHTNING ARE POSSIBLE
AS THIS STORM MOVING THROUGH GRANT AND HOOKER COUNTIES.

JER
Special weather statement, Jul 5, 5:36 AM CDT, 43 minutes before
NEZ006-051140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
530 AM CDT SUN JUL 5 1992

...STRONG THUNDERSTORMS WERE CONTINUING TO MOVE THROUGH WEST CENTRAL
NEBRASKA...

AT 527 AM CDT OR 440 AM MDT...RADAR SHOWED A LINE THUNDERSTORMS...15
MILES WIDE FROM 55 MILES NORTHWEST TO 100 MILES EAST NORTHEAST OF NORTH
PLATTE. THE STRONG STORM WAS 15 MILES SOUTHWEST OF MULLEN OR 53 MILES
SOUTH SOUTHWEST OF VALENTINE.

THE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

SMALL HAIL...HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING ARE
POSSIBLE WITH THESE STORMS.

JER
Special weather statement, Jul 5, 5:42 AM CDT, 37 minutes before
NEZ006-051140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
530 AM CDT SUN JUL 5 1992

...STRONG THUNDERSTORMS WERE CONTINUING TO MOVE THROUGH WEST CENTRAL
NEBRASKA...

AT 527 AM CDT OR 427 AM MDT...RADAR SHOWED A LINE THUNDERSTORMS...15
MILES WIDE...FROM 55 MILES NORTHWEST TO 100 MILES EAST NORTHEAST OF
NORTH PLATTE. THE STRONG STORM WAS 15 MILES SOUTHWEST OF MULLEN OR 53
MILES SOUTH SOUTHWEST OF VALENTINE.

THE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

SMALL HAIL...HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING ARE
POSSIBLE WITH THESE STORMS.

JER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 9:04 PM CDTSevere Thunderstorm WarningLBFPerkins26 min
Jul 4, 10:01 PM CDTSevere Thunderstorm WarningLBFGrant, Hooker29 min
Jul 4, 10:49 PM CDTSevere Thunderstorm WarningLBFLincoln26 min
Jul 4, 11:10 PM CDTSevere Thunderstorm WarningLBFRed Willow35 min
Jul 5, 1:27 AM CDTSevere Thunderstorm WarningLBFKeya Paha36 min
Jul 5, 1:27 AM CDTSevere Thunderstorm WarningLBFRock63 min
Jul 5, 6:11 AM CDTSevere Thunderstorm WarningLBFCherry49 min
Jul 5, 8:15 AM CDTSevere Thunderstorm WarningLBFLincoln30 min
Jul 5, 2:11 PM CDTSevere Thunderstorm WarningLBFLincoln49 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.