Alert archive / Nebraska / Tornado Warnings in 1992

Tornado Warning 11, NWS Cheyenne, WY

June 30, 1992Dawes County, Sheridan County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jun 30, 1992, 3:01 PM MDT for Dawes County, Sheridan County, Nebraska. It was in force for 29 min.

The area

The counties it named.

The facts

Issued: Jun 30, 1992, 3:01 PM MDT (21:01 UTC)
Expired: Jun 30, 1992, 3:30 PM MDT
In force: 29 min
Issued by: NWS Cheyenne, WY
Area: Whole counties

Counties Dawes County, NE, Sheridan County, NE

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 9.0 hours before the alert went out and 162 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

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

000 
TTAA00 KBFF 302101 RRA
TORBFF
NEC045-161-302130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
301 PM MDT TUE JUN 30 1992

THE NATIONAL WEATHER SERVICE H-AS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 330 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE PANHANDLE OF NEBRASKA
      EASTERN DAWES...NORTHERN SHERIDAN

AT 257 PM MDT A TORNADO WAS INDICATED BY RADAR 20 MILES SOUTHEAST OF
CHADR

What forecasters said that day

The local office's own words before this tornado 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, 34 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, 3:34 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes, Sheridan	26 min
Jun 30, 4:02 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Sheridan	28 min
Jun 30, 4:37 PM MDT	Severe Thunderstorm Warning	CYS	Sheridan	38 min

Nearby

Tornado Warnings in Nebraska, 1992 Every tornado warning in 1992 Tornadoes 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.