Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 161, NWS North Platte, NE

September 17, 1992Holt County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Sep 17, 1992, 7:33 PM CDT for Holt County, Nebraska. It was in force for 27 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
Sep 17, 1992, 7:33 PM CDT (00:33 UTC)
Expired
Sep 17, 1992, 8:00 PM CDT
In force
27 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Holt County, NE

What was reported inside it

TimeReportWhereRemark
Sep 17, 7:44 PM CDTHail 1.75Holt, 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, 0.6 hours before the alert went out and 211 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 1992-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 442 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 1992-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
442 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
3085 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 180034
SVROFK
NEC089-180100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
733 PM CDT THU SEP 17 1992
 
THE NATIONAL WEATHER SERVICE IN NORFOLK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NEBRASKA
 
   ...EASTERN HOLT COUNTY
 
AT 731 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTHEAST OF
ONEILL MOVING NORTHEAST AT NEARLY 40 MPH.
 
THIS STORM IS LIKELY TO CONTAIN LARGE HAIL AND POSSIBLY DAMAGING WINDS.
 
THE TOWN OF INMAN IS IN THE PATH OF THIS STORM.
 
 
IF YOU ARE OUTSIDE...TAKE SHELTER IN A STRONG BUILDING.  REMAIN
INSIDE AWAY FROM WINDOWS UNTIrL THE STORM HAS PASSED.  TAKE SHELTER
IN AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
 
KLEFFMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 17, 7:49 PM CDTSevere Thunderstorm WarningLBFAntelope, Knox41 min
Sep 17, 8:34 PM CDTSevere Thunderstorm WarningLBFPierce41 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.