Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 95, NWS North Platte, NE

July 9, 1992Antelope County, Knox County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 1992, 5:25 PM CDT for Antelope County, Knox County, Nebraska. It was in force for 80 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 9, 1992, 5:25 PM CDT (22:25 UTC)
Expired
Jul 9, 1992, 6:45 PM CDT
In force
80 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Antelope County, NE, Knox County, NE

What was reported inside it

TimeReportWhereRemark
Jul 9, 5:43 PM CDTTornado F0Antelope, 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

Omaha, NE (KOVN), launched 12:00Z, 10.4 hours before the alert went out and 180 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, Omaha, NE at 12:00Z on 1992-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Omaha, NE at 12:00Z on 1992-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1585 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 092225
SVROFK
NEC003-107-092345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
525 PM CDT THU JUL 9 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF NEBRASKA
      NORTHERN ANTELOPE...SOUTHERN KNOX

AT 1720 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 TO 10
MILES NORTH OF ROYAL IN NORTHERN ANTELOPE COUNTY MOVING EAST AT
ABOUT 20 MPH.

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.

 A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF NORTHEAST NEBRASKA
 UNTIL 9 PM CDT THIS THURSDAY EVENING.

 VA 2224Z

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 3:44 PM CDTSevere Thunderstorm WarningLBFCherry31 min
Jul 9, 4:08 PM CDTSevere Thunderstorm WarningLBFGrant, Hooker22 min
Jul 9, 4:15 PM CDTSevere Thunderstorm WarningLBFCherry30 min
Jul 9, 4:29 PM CDTSevere Thunderstorm WarningLBFHooker61 min
Jul 9, 4:59 PM CDTSevere Thunderstorm WarningLBFThomas31 min
Jul 9, 5:25 PM CDTSevere Thunderstorm WarningLBFCuster, Logan35 min
Jul 9, 5:51 PM CDTTornado WarningLBFAntelope24 min
Jul 9, 6:15 PM CDTSevere Thunderstorm WarningLBFCuster45 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.