Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 9, NWS Cheyenne, WY

June 7, 1992Morrill County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 7, 1992, 6:28 PM MDT for Morrill County, Nebraska. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1992, 6:28 PM MDT (00:28 UTC)
Expired
Jun 7, 1992, 7:06 PM MDT
In force
38 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Morrill County, NE

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 0.5 hours before the alert went out and 206 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, Denver, CO at 00:00Z on 1992-06-08Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1992-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939Sfc1 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
1991 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBFF 080028
SVRBFF
NEC123-080130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
628 PM MDT SUN JUN 7 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE PANHANDLE OF NEBRASKA
      MORRILL

AT 626 PM MDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 5 MILES
NORTHWEST OF BRIDGEPORT OR 25 MILES SOUTHEAST OF SCOTTSBLUFF IN
MORRILL COUNTY.  THIS STORM WAS MOVING TO THE SOUTHEAST AT 25 MPH.

IF THREATENING WEATHER APPROACHES...TAKE SHELTER INSIDE A REINFORCED
BUILDING.  STAY AWAY FROM WINDOWS.  A BASEMENT...INTERIOR HALLWAY...
OR A ROOM ON THE LOWEST FLOOR IS THE SAFEST PLACE IN MOST BUILDINGS.
MOTORISTS SHOULD AVOID LOW WATER CROSSINGS.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING.

SALMONS

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 7, 2:13 PM MDT, 4 hours 15 minutes before
WYZ066-071>073-072200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
215 PM MDT SUN JUN 7 1992

...THUNDERSTORMS HAVE DEVELOPED IN SOUTHEAST WYOMING...

A LARGE AREA OF SHOWERS AND SOME THUNDERSTORMS HAVE DEVELOPED OVER THE
SOUTHERN LARAMIE RANGE.  AT 2PM THE STRONGEST STORM WAS ABOUT 12 MILES
SOUTH OF CHEYENNE...NEAR THE COLORADO BORDER.  WEAKER ONES WERE ABOUT
FIVE MILES WEST OF CHEYENNE.  THEY WERE ALL MOVING EAST AROUND 20
MILES AN HOUR.

SHOWERS AND THUNDERSTORMS CAN BE EXPECTED TO CONTINUE OVER THE
SOUTHEAST CORNER OF WYOMING FOR THE NEXT HOUR OR TWO.  DANGEROUS
LIGHTNING CAN ALSO BE EXPECTED.  IF OUTDOORS AND THREATENING WEATHER
APPROACHES...TAKE SHELTER INSIDE.

CGB
Special weather statement, Jun 7, 3:17 PM MDT, 3 hours 11 minutes before
NEZ001-005-011-072315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
315 PM MDT SUN JUN 7 1992

...THUNDERSTORMS OVER SOUTHERN NEBRASKA PANHANDLE...

AT 313 PM MDT...ISOLATED THUNDERSTORMS WERE LOCATED OVER THE SOUTHERN
HALF OF THE NEBRASKA PANHANDLE.  THE STRONGEST STORM WAS 20 MILES
NORTHEAST OF KIMBALL AND 20 MILES NORTHWEST OF SIDNEY.  ANOTHER STRONG
THUNDERSTORMS WERE ON THE KIMBALL AND CHEYENNE COUNTY LINE BETWEEN
KIMBALL AND SIDNEY AS WELL AS IN WESTERN KIMBALL COUNTY.  THESE
THUNDERSTORMS WERE MOVE TO THE NORTHEAST AT 25 MPH.

LOCALLY HEAVY RAIN...BRIEF GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH
THE STORMS AS THEY ACROSS KIMBALL AND CHEYENNE COUNTIES AND INTO
MORRILL COUNTY UNTIL 515 PM MDT.
SALMONS
Special weather statement, Jun 7, 3:51 PM MDT, 2 hours 37 minutes before
NEZ001-005-011-072330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
350 PM MDT SUN JUN 7 1992

...THUNDERSTORMS OVER SOUTHERN NEBRASKA PANHANDLE...

AT 344 PM MDT...SCATTERED THUNDERSTORMS WERE LOCATED OVER THE SOUTHERN
HALF OF THE NEBRASKA PANHANDLE.  THE STRONGEST STORM WAS 5 MILES WEST OF
OSHKOSH OR 25 MILES NORTHEAST OF SIDNEY.  ALL THUNDERSTORMS WERE MOVING
TO THE EAST AT 25 MPH.

LOCALLY HEAVY RAIN...BRIEF GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH
THESE STORMS AS THEY MOVE ACROSS KIMBALL...CHEYENNE...DEUEL...MORRILL
AND GARDEN COUNTIES UNTIL 530 PM MDT.
SALMONS
Special weather statement, Jun 7, 6:15 PM MDT, 13 minutes before
NEZ001-005-011-080115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
615 PM MDT SUN JUN 7 1992

...STRONG THUNDERSTORMS OVER SOUTHERN NEBRASKA PANHANDLE...

AT 612 PM MDT...STRONG THUNDERSTORMS WERE LOCATED OVER THE SOUTHERN
HALF OF THE NEBRASKA PANHANDLE.  STRONGEST STORM WAS 15 MILES EAST OF
SCOTTSBLUFF OR 30 MILES SOUTHWEST OF ALLIANCE.  THESE STORMS WERE
MOVING TO THE SOUTHEAST AT 25 MPH.

LOCALLY HEAVY RAIN...BRIEF GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH
THE STORMS AS THEY ACROSS MORRILL...CHEYENNE...DEUEL AND GARDEN COUNTIES
UNTIL 715 PM MDT.
SALMONS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 6:59 PM MDTTornado WarningCYSDeuel16 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.