Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 57, NWS North Platte, NE

June 30, 1992Logan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 30, 1992, 11:52 PM CDT for Logan County, Nebraska. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1992, 11:52 PM CDT (04:52 UTC)
Expired
Jul 1, 1992, 12:25 AM CDT
In force
33 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Logan County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.9 hours before the alert went out and 50 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 1992-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2015 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 1992-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
2015 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1798 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.4
Supercell composite
9.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 010453
SVRLBF
NEC113-010545-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1152 PM CDT TUE JUN 30 1992
 
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NEBRASKA
 
   ...LOGAN COUNTY
 
AT 1147 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
NORTHWEST OF STAPLETON OR 35 MILES NORTHEAST OF NORTH PLATTE. THIS
STORM WAS MOVING SOUTHEAST AT 15 MILES AN HOUR AND WILL MOVE INTO THE
COMMUNITY OF STAPLETON BY 1210 AM CDT. RESIDENTS SHOULD TAKE COVER.
 
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 DAMAGAING 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.
 
MONSON 0451Z

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 30, 7:37 PM CDT, 4 hours 15 minutes before
NEZ006-010130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
630 PM MDT TUE JUN 30 1992

...THUNDERSTORMS WERE MOVING INTO GRANT COUNTY NEBRASKA...
...TORNADO WATCH UNTIL 9 PM MDT...

AT 630 PM MDT THUNDERSTORMS WERE MOVING INTO GRANT COUNTY NEAR
THE CITY OF WHITMAN NEBRASKA OR 75 MILES NORTHWEST OF NORTH PLATTE.
THUNDERSTORM HAS BEEN MOVING EAST SOUTHEAST AT 35 MILES PER HOUR.

BRIEF HEAVY RAIN...HAIL..GUSTY SURFACE WIND ANOD DANGEROUS LIGHTNING
LIGHTNING...HAS THIS THUNDERSTORMS MOVE ACROSS THE NORTHERN
PORTIONS OF GRANT COUNTY.

IF THREATENING WEATHER APPROACHES BE PREPARED TO MOVE TO A PLACE OF
SAFETY.
HETZKE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:14 PM CDTSevere Thunderstorm WarningLBFCherry31 min
Jun 30, 7:44 PM CDTSevere Thunderstorm WarningLBFCherry31 min
Jun 30, 8:04 PM CDTSevere Thunderstorm WarningLBFGrant26 min
Jun 30, 8:14 PM CDTSevere Thunderstorm WarningLBFCherry31 min
Jun 30, 8:37 PM CDTSevere Thunderstorm WarningLBFHooker, McPherson53 min
Jun 30, 9:36 PM CDTSevere Thunderstorm WarningLBFHooker, McPherson54 min
Jun 30, 11:04 PM CDTSevere Thunderstorm WarningLBFMcPherson56 min
Jul 1, 12:04 AM CDTSevere Thunderstorm WarningLBFMcPherson56 min
Jul 1, 12:57 AM CDTSevere Thunderstorm WarningLBFMcPherson63 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.