Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 53, NWS Cheyenne, WY

June 30, 1992Box Butte County, Sheridan County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 30, 1992, 4:02 PM MDT for Box Butte County, Sheridan County, Nebraska. It was in force for 28 min.

The area

The counties it named.

The facts

Issued: Jun 30, 1992, 4:02 PM MDT (22:02 UTC)
Expired: Jun 30, 1992, 4:30 PM MDT
In force: 28 min
Issued by: NWS Cheyenne, WY
Area: Whole counties

Counties Box Butte County, NE, Sheridan County, NE

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 10.0 hours before the alert went out and 190 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 12 J/kg
Mixed-layer CIN: -520 J/kg
Mixed-layer LCL: 599 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 310 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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, Jun 30, 2:27 PM MDT, 1 hour 35 minutes before

NEZ001-005-011-302125-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
227 PM MDT MON JUN 29 1992

...STRONG THUNDERSTORMS DEVELOPED IN THE NORTH NEBRASKA PANHANDLE...

AT 225 PM MDT...STRONG THUNDERSTORMS WERE LOCATED 5 MILES SOUTHEAST AND
10 MILES SOUTH OF CHADRON...MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.

PEOPLE IN NORTH SHERIDAN AND THE SOUTH AND EAST PARTS OF DAWES COUNTIES
SHOULD BE ALERT TO RAPIDLY-CHANGING CONDITIONS.  THESE THUNDERSTORMS ARE
CAPABLE OF PRODUCING BREIF HEAVY RAIN...STRONG GUSTY WIND...DEADLY
LIGHTNING AND SMALL HAIL.
PEEK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 2:37 PM MDT	Tornado Warning	CYS	Dawes	38 min
Jun 30, 3:01 PM MDT	Tornado Warning	CYS	Dawes, Sheridan	29 min
Jun 30, 3:34 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes, Sheridan	26 min
Jun 30, 4:37 PM MDT	Severe Thunderstorm Warning	CYS	Sheridan	38 min
Jun 29, 6:03 PM MDT	Severe Thunderstorm Warning	CYS	Sheridan	27 min
Jun 29, 6:59 PM MDT	Severe Thunderstorm Warning	CYS	Platte	46 min
Jun 29, 7:37 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	53 min
Jun 29, 7:55 PM MDT	Tornado Warning	CYS	Platte	35 min
Jun 29, 8:31 PM MDT	Tornado Warning	CYS	Goshen, Platte	29 min
Jun 30, 12:51 PM MDT	Severe Thunderstorm Warning	CYS	Big Horn	32 min
Jun 30, 2:56 PM MDT	Severe Thunderstorm Warning	CYS	Johnson	26 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1992 Every 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.