Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 69, NWS North Platte, NE

July 5, 1992Rock County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 5, 1992, 1:27 AM CDT for Rock County, Nebraska. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 5, 1992, 1:27 AM CDT (06:27 UTC)
Expired
Jul 5, 1992, 2:30 AM CDT
In force
63 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Rock County, NE

What was reported inside it

TimeReportWhereRemark
Jul 5, 1:55 AM CDTHail 0.75Rock, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.5 hours before the alert went out and 172 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 KOFK 050627
SVROFK
NEC103-149-050730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
127 AM CDT SUN JUL 5 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 230 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTH CENTRAL PART OF NEBRASKA
      EASTERN KEYA PAHA...ROCK

AT 125 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 40
MILES SOUTHEAST OF VALENTINE...OR 15 MILES NORTH OF AINSWORTH.
MOVEMENT WAS EAST SOUTHEAST AT 25 MPH.  THE COMMUNITIES OF
SPRINGVIEW...BASSETT AND NEWPORT ARE IN THE PATH OF THIS STORM.

PEOPLE IN THE PATH OF THIS STORM SHOULD TAKE SHELTER IMMEDIATELY.
PREPARE FOR DAMAGING WINDS...LARGE HAIL...DEADLY LIGHTNING AND
VERY HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.
REMEMBER SEVERE THUNDERSTORMS CAN ALSO PRODUCE A TORNADO WITH
LITTLE OR NO WARNING.

 MILLER

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 4, 8:21 PM CDT, 5 hours 6 minutes before
NEZ006-007-012-016-017-050215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
820 PM CDT FRI JUL 3 1992

...STRONG THUNDERSTORMS WILL MOVE EAST INTO SOUTHWEST AND WEST CENTRAL
   NEBRASKA DURING THE NEXT FEW HOURS.

AT 818 PM CDT...A VERY STRONG THUNDERSTORM WAS LOCATED 15 MILES WEST
OF ARTHUR OR 70 MILES NORTHWEST OF NORTH PLATTE. THIS VERY STRONG
THUNDERSTORM WILL LIKELY PRODUCE A BRIEF PERIOD OF VERY HEAVY RAIN AND
WIND GUSTS TO 35 MILES AN HOUR. SMALL HAIL IS ALSO POSSIBLE.

OTHER VERY STRONG THUNDERSTORMS WILL INTO WESTERN KEITH AND PERKINS
COUNTIES DURING THE NEXT FEW HOURS. THE THUNDERSTORMS WERE MOVING
SOUTHEAST AT 25 MILES AN HOUR.

REMEMBER A TORNADO WATCH I|S IN EFFECT UNTIL 2 AM CDT FOR ALL OF
SOUTHWEST AND WEST CENTRAL NEBRASKA.
ABBAS

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, 6:11 AM CDTSevere Thunderstorm WarningLBFCherry49 min
Jul 5, 6:19 AM CDTSevere Thunderstorm WarningLBFLincoln41 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.