Alert archive / Nebraska / Tornado Warnings in 1996

Tornado Warning 8, NWS Cheyenne, WY

June 5, 1996Sioux County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jun 5, 1996, 7:10 PM MDT for Sioux County, Nebraska. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 5, 1996, 7:10 PM MDT (01:10 UTC)
Expired
Jun 5, 1996, 7:30 PM MDT
In force
20 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Sioux County, NE

The radar

The Cheyenne radar (KCYS), 172 km from the middle of the area, began a volume at 01:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 1.2 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-pSkew-T log-p diagram, Rapid City, SD at 00:00Z on 1996-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 1996-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939587897117Sfc1 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
2 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
2305 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
242 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 KCYS 060112
TORCYS
NEC165-060130-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
710 PM MDT WED JUN 5 1996
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  730 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN THE NEBRASKA PANHANDLE
 
   ...SOUTHEASTERN SIOUX COUNTY
 
AT 710 PM MDT...DOPPLER RADAR INDICATED A POSSIBLE TORNADO 25 MILES
NORTH OF SCOTTSBLUFF JUST EAST OF HIGHWAY 7r1. THIS STORM WAS MOVING
SOUTHEAST AT 35 TO 40 MILES AN HOUR AND WILL BE MOVING INTO
BOX BUTTE COUNTY AROUND 730 PM.
 
GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

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 5, 6:35 PM MDT, 35 minutes before
NEZ001>003-060130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
635 PM MDT WED JUN 5 1996

...A FEW STRONG THUNDERSTORMS WERE MOVING ACROSS THE FAR NORTHWEST
PART OF THE NEBRASKA PANHANDLE AT 630 PM...

THE STRONGEST STORMS WERE LOCATED ABOUT 30 MILES WEST OF CHADRON
IN NORTH CENTRAL SIOUX COUNTY.  ANOTHER STRONG STORM WAS LOCATED
ABOUT 20 MILES NORTH OF TORRINGTON ALONG THE WYOMING-NEBRASKA
BORDER.

THESE STORMS WERE MOVING EAST SOUTHEAST AT ABOUT 40 MPH...AND WILL
BE AFFECTING PARTS OF THE NORTHERN PANHANDLE THROUGH 730 PM.
SMALL HAIL AND BRIEF HEAVY RAIN WILL BE THE MAIN HAZARDS WITH THESE
STORMS...ALONG WITH DANGEROUS LIGHTNING.  BE SURE TO STAY INDOORS
WHEN STORMS ARE IN YOUR AREA.

JAD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 6:41 PM MDTSevere Thunderstorm WarningCYSSioux34 min
Jun 5, 7:01 PM MDTSevere Thunderstorm WarningCYSDawes29 min
Jun 5, 7:25 PM MDTSevere Thunderstorm WarningCYSBox Butte35 min
Jun 5, 7:50 PM MDTSevere Thunderstorm WarningCYSMorrill25 min
Jun 5, 8:14 PM MDTSevere Thunderstorm WarningCYSMorrill26 min
Jun 5, 9:31 PM MDTSevere Thunderstorm WarningCYSBox Butte44 min
Jun 5, 9:39 PM MDTTornado WarningCYSBox Butte36 min
Jun 5, 9:48 PM MDTTornado WarningCYSBox Butte12 min
Jun 5, 9:55 PM MDTSevere Thunderstorm WarningCYSMorrill35 min
Jun 5, 11:03 PM MDTSevere Thunderstorm WarningCYSScotts Bluff42 min
Jun 5, 11:10 PM MDTSevere Thunderstorm WarningCYSSioux35 min
Jun 5, 11:45 PM MDTSevere Thunderstorm WarningCYSMorrill30 min

Nearby

Tornado Warnings in Nebraska, 1996Every tornado warning in 1996Tornadoes in 1996

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; radar from the NEXRAD Level II archive.