Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 151, NWS Cheyenne, WY

September 4, 1992Sheridan County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Sep 4, 1992, 8:24 PM MDT for Sheridan County, Nebraska. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Sep 4, 1992, 8:24 PM MDT (02:24 UTC)
Expired
Sep 4, 1992, 9:00 PM MDT
In force
36 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Sheridan County, NE

The nearest sounding before it

Rapid City, SD (KRAP), launched 00:00Z, 2.4 hours before the alert went out and 178 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, Rapid City, SD at 00:00Z on 1992-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 366 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, Rapid City, SD at 00:00Z on 1992-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
366 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
2879 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBFF 050224
SVRBFF
NEC161-050300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
824 PM MDT FRI SEP 4 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 900 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE PANHANDLE OF NEBRASKA
      NORTHERN SHERIDAN

AT 824 PM MDT...SEVERE THUNDERSTORMS EXTENDED FROM 25 MILES
SOUTHEAST OF CHADRON TO 40 MILES NORTHEAST OF CHADRON.  THE STORMS
WERE MOVING NORTHEAST AT 25 MILES AN HOUR.

THIS WARNING INCLUDES THE COMMUNITIES OF RUSHVILLE AND GORDON.

PREPARE FOR LARGE HAIL...DAMAGING WIND...HEAVY RAIN AND DANGEROUS
LIGHTNING BY TAKING COVER.  STAY AWAY FROM AREAS WHERE LOOSE ITEMS
CAN BECOME DANGEROUS FLYING DEBRIS.

GIVE REPORTS OF SEVERE WEATHER OR DAMAGE TO A LAW ENFORCEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

PEEK

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, Sep 4, 5:24 PM MDT, 3 hours before
NEZ001-005-011-050025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
524 PM MDT FRI SEP 4 1992

...A STRONG THUNDERSTORM IS OVER THE NORTHWEST NEBRASKA PANHANDLE...

AT 522 PM MDT...RADAR SHOWED A STRONG THUNDERSTORM OVER THE NORTHWEST
PART OF THE NEBRASKA PANHANDLE.  THE STORMS WAS LOCATED 50 MILES
NORTHWEST OF SCOTTSBLUFF...OR 8 MILES SOUTHWEST OF HARRISON...OVER
NORTHERN SIOUX COUNTY.  THE STORM WAS MOVING NORTHEAST AT 25 MILES AN
HOUR.

BRIEF HEAVY RAIN...GUSTY WIND...SMALL HAIL AND DEADLY LIGHTNING WILL BE
POSSIBLE WITH THIS STORM OVER NORTHERN SIOUX COUNTY UNTIL 625 PM MDT.
EMANUEL
Special weather statement, Sep 4, 8:16 PM MDT, 8 minutes before
NEZ001-005-011-050315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
816 PM MDT FRI SEP 4 1992

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT IN THE NEBRASKA
PANHANDLE UNTIL 11 PM MDT...
...STRONG THUNDERSTORMS RAPIDLY FORM IN THE NORTHEAST NEBRASKA
PANHANDLE...

AT 814 PM MDT...STRONG THUNDERSTORMS WERE LOCATED 30 MILES EAST OF
CHADRON...EXTENDING TO THE SOUTH DAKOTA STATE LINE.  THE STORMS WERE
MOVING NORTHEAST AT 25 MILES AN HOUR.

PEOPLE IN NORTH SHERIDAN COUNTY...INCLUDING THE COMMUNITIES OF GORDON
AND RUSHVILLE...SHOULD BE AWARE OF WEATHER CONDITIONS AND KEEP AN EYE TO
THE SKY.

THUNDERSTORMS ARE CAPABLE OF PRODUCING DEADLY LIGHTNING...STRONG GUSTY
WIND...SMA
LL HAIL AND HEAVY RAIN.
PEEK

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 4, 9:45 PM MDTSevere Thunderstorm WarningCYSGarden45 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.