Alert archive / Nebraska / Tornado Warnings in 2005

Tornado Warning 8, NWS Cheyenne, WY

June 27, 2005Cheyenne County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jun 27, 2005, 4:54 PM MDT for Cheyenne County, Nebraska. It was in force for 36 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 27, 2005, 4:54 PM MDT (22:54 UTC)
Expired
Jun 27, 2005, 5:30 PM MDT
In force
36 min
Issued by
NWS Cheyenne, WY
Area
Counties, with a storm outline in the text

County Cheyenne County, NE

The radar

The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 22:55 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.

What was reported inside it

TimeReportWhereRemark
Jun 27, 5:10 PM MDTTORNADO3 W Dalton, NEOBSERVED TORNADO ON THE GROUND WITH ESTIMATED 1/2 MILE WIDE BASE
Jun 27, 5:27 PM MDTTORNADO3 N Potter, NE
Jun 27, 5:35 PM MDTTORNADO3 Ne Potter, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 27, 2:30 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.9 hours before the alert went out and 155 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 12:00Z on 2005-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2005-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939587897Sfc1 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
29 J/kg
Mixed-layer CIN
-346 J/kg
Mixed-layer LCL
2260 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
133 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 
WFUS55 KCYS 272255
TORCYS
NEC033-272330-
/O.NEW.KCYS.TO.W.0008.050627T2254Z-050627T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
454 PM MDT MON JUN 27 2005

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN CHEYENNE COUNTY IN THE PANHANDLE OF NEBRASKA

* UNTIL 530 PM MDT

* AT 454 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 20
  MILES NORTH OF POTTER...OR ABOUT 24 MILES NORTHEAST OF KIMBALL...
  MOVING SOUTHEAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL NORTHWESTERN CHEYENNE COUNTY AT 510 PM MDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT MONDAY
EVENING FOR THE PANHANDLE OF NEBRASKA AND EAST CENTRAL WYOMING.

LAT...LON 4142 10300 4143 10337 4101 10334 4101 10300

$$

RUBIN
2 follow-up statements
000 
WWUS55 KCYS 272304
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
503 PM MDT MON JUN 27 2005

NEC033-272330-
/O.CON.KCYS.TO.W.0008.000000T0000Z-050627T2330Z/
CHEYENNE NE-
503 PM MDT MON JUN 27 2005

...A TORNADO WARNING CONTINUES UNTIL 530 PM MDT FOR WESTERN CHEYENNE
COUNTY...

AT 503 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 19 MILES NORTH OF
POTTER...OR ABOUT 24 MILES NORTHEAST OF KIMBALL...MOVING SOUTHEAST AT
15 MPH.

THE TORNADO WILL BE NEAR...
  RURAL NORTHWESTERN CHEYENNE COUNTY AT 520 PM MDT

THIS SEVERE THUNDERSTORM HAS HAD A HISTORY OF PRODUCING TORNADOES.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT MONDAY
EVENING FOR THE PANHANDLE OF NEBRASKA AND EAST CENTRAL WYOMING.

LAT...LON 4142 10300 4143 10337 4101 10334 4101 10300

$$

RUBIN
000 
WWUS55 KCYS 272314
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
514 PM MDT MON JUN 27 2005

NEC033-272330-
/O.CON.KCYS.TO.W.0008.000000T0000Z-050627T2330Z/
CHEYENNE NE-
514 PM MDT MON JUN 27 2005

...A TORNADO WARNING CONTINUES UNTIL 530 PM MDT FOR WESTERN CHEYENNE 
COUNTY...

AT 514 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 16 MILES NORTH OF
POTTER...OR ABOUT 21 MILES NORTHEAST OF KIMBALL...MOVING SOUTHEAST AT
15 MPH.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKEL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT MONDAY
EVENING FOR THE PANHANDLE OF NEBRASKA AND EAST CENTRAL WYOMING.

LAT...LON 4142 10300 4143 10337 4121 10335 4119 10301

$$

RUBIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 2:43 PM MDTSevere Thunderstorm WarningCYSScotts Bluff23 min
Jun 27, 3:29 PM MDTSevere Thunderstorm WarningCYSBanner, Scotts Bluff61 min
Jun 27, 3:44 PM MDTTornado WarningCYSBanner, Scotts Bluff46 min
Jun 27, 3:51 PM MDTSevere Thunderstorm WarningCYSSioux45 min
Jun 27, 4:29 PM MDTSevere Thunderstorm WarningCYSBanner61 min
Jun 27, 4:29 PM MDTSevere Thunderstorm WarningCYSBanner, Sioux61 min
Jun 27, 4:37 PM MDTTornado WarningCYSBanner, Morrill54 min
Jun 27, 4:37 PM MDTTornado WarningCYSBanner, Morrill53 min
Jun 27, 4:42 PM MDTSevere Thunderstorm WarningCYSDawes55 min
Jun 27, 5:28 PM MDTTornado WarningCYSCheyenne47 min

Nearby

Tornado Warnings in Nebraska, 2005Every tornado warning in 2005Tornadoes in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.