Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 121, NWS Cheyenne, WY

July 28, 1992Garden County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 28, 1992, 5:06 PM MDT for Garden County, Nebraska. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1992, 5:06 PM MDT (23:06 UTC)
Expired
Jul 28, 1992, 5:45 PM MDT
In force
39 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Garden County, NE

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 11.1 hours before the alert went out and 276 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 12:00Z on 1992-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1992-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2322 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 28, 2:09 PM MDT, 2 hours 57 minutes before
NEZ001-005-011-282100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
209 PM MDT TUE JUL 28 1992

...STRONG THUNDERSTORMS OVER THE NORTH NEBRASKA PANHANDLE...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE PANHANDLE UNTIL 7 PM
MDT...

AT 207 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS OVER NORTHERN SIOUX
COUNTY...15 MILES NORTH OF HARRISON OR 42 MILES WEST OF CHADRON.

THE THUNDERSTORMS WERE MOVING EAST AT 35 MPH.

PEOPLE IN SIOUX AND DAWES COUNTIES SHOULD BE ALERT TO BRIEF HEAVY RAIN...
STRONG GUSTY WIND...HAIL AND DANGEROUS LIGHTNING FOR THE NEXT HOUR OR
SO.
KYLE
Special weather statement, Jul 28, 3:02 PM MDT, 2 hours 4 minutes before
NEZ001-005-011-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
302 PM MDT TUE JUL 28 1992

...STRONG THUNDERSTORMS OVER THE NORTH NEBRASKA PANHANDLE...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE PANHANDLE UNTIL 7 PM
MDT...

AT 258 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS OVER WESTERN DAWES
COUNTY.  THE STORM WAS FROM CRAWFORD TO 10 MILES NORTHEAST OF CRAWFORD...
FROM 10 MILES WEST OF CHADRON TO 23 MILES WEST OF CHADRON.

PEA SIZE HAIL HAS BEEN REPORTED WITH THESE THUNDERSTORMS.

THE STORMS WERE MOVING EAST AT 30 TO 35 MPH AND SHOULD BE IN THE
CHADRON STATE PARK VICINITY AROUND 330 PM MDT.

PEOPLE IN DAWES COUNTY SHOULD BE ALERT TO BRIEF HEAVY RAIN...STLRONG
GUSTY WIND...HAIL AND DANGEROUS LIGHTNING FOR THE NEXT HOUR OR SO.
KYLE
Special weather statement, Jul 28, 3:08 PM MDT, 1 hour 58 minutes before
NEZ001-005-011-282200-

SPECIAL WEATHER STATEMENT...CORRECTED FOR WORDING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
302 PM MDT TUE JUL 28 1992

...STRONG THUNDERSTORMS OVER THE NORTH NEBRASKA PANHANDLE...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE PANHANDLE UNTIL 7 PM
MDT...

AT 258 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS OVER WESTERN DAWES
COUNTY.  THE STORMS WERE FROM CRAWFORD TO 10 MILES NORTHEAST OF CRAWFORD
...OR FROM 10 MILES WEST TO 23 MILES WEST OF CHADRON.

PEA SIZE HAIL HAS BEEN REPORTED WITH THESE THUNDERSTORMS.

THE STORMS WERE MOVING EAST AT 30 TO 35 MPH AND SHOULD BE IN THE
CHADRON STATE PARK VICINITY AROUND 330 PM MDT.

PEOPLE IN DAWES COUNTY SHOULD BE ALERT TO BRIEF HEAVY RAIN...STRONG
GUSTY WIND...HAIL AND DANGEROUS LIGHTNING FOR THE NEXT HOUR OR SO.
KYLE
Special weather statement, Jul 28, 5:06 PM MDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:30 PM MDTSevere Thunderstorm WarningCYSBox Butte30 min
Jul 28, 3:52 PM MDTTornado WarningCYSBox Butte38 min
Jul 28, 4:30 PM MDTSevere Thunderstorm WarningCYSBox Butte30 min
Jul 28, 4:57 PM MDTSevere Thunderstorm WarningCYSSheridan23 min
Jul 28, 5:45 PM MDTSevere Thunderstorm WarningCYSGarden30 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.