Alert archive / Nebraska / Tornado Warnings in 2005

Tornado Warning 11, NWS Cheyenne, WY

July 5, 2005Box Butte County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Jul 5, 2005, 5:00 PM MDT for Box Butte County, Nebraska. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 5, 2005, 5:00 PM MDT (23:00 UTC)
Expired
Jul 5, 2005, 5:31 PM MDT
In force
31 min
Issued by
NWS Cheyenne, WY
Area
Counties, with a storm outline in the text

County Box Butte County, NE

The radar

The Cheyenne radar (KCYS), 191 km from the middle of the area, began a volume at 23:02 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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 5, 1:25 PM MDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 11.0 hours before the alert went out and 193 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 12:00Z on 2005-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 166 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 2005-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.193958Sfc1 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
166 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
1327 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WFUS55 KCYS 052301
TORCYS
NEC013-052330-
/O.NEW.KCYS.TO.W.0011.050705T2300Z-050705T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
500 PM MDT TUE JUL 5 2005

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN BOX BUTTE COUNTY IN THE PANHANDLE OF NEBRASKA

* UNTIL 530 PM MDT

* AT 458 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 5  
  MILES WEST-NORTHWEST OF HEMINGFORD.  THE SEVERE STORM PRODUCING
  THE TORNADO WAS MOVING EAST AT 25 MPH.

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
TUESDAY EVENING FOR THE PANHANDLE OF NEBRASKA AND SOUTHEASTERN
WYOMING.

LAT...LON 4242 10331 4224 10329 4224 10292 4242 10294

$$

WEILAND
2 follow-up statements
000 
WWUS55 KCYS 052321
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
518 PM MDT TUE JUL 5 2005

NEC013-052330-
/O.CON.KCYS.TO.W.0011.000000T0000Z-050705T2330Z/
BOX BUTTE NE-
518 PM MDT TUE JUL 5 2005

...A TORNADO WARNING CONTINUES UNTIL 530 PM MDT FOR CENTRAL BOX BUTTE
COUNTY...

AT 515 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
6 MILES WEST AND 5 MILES SOUTH OF HEMINGFORD.  THE STORM PRODUCING
THE FUNNEL CLOUD WAS MOVING TO THE EAST AT 25 MPH.  AT ITS CURRENT
MOVEMENT...THE STORM WILL GENERALLY PASS JUST TO THE SOUTH OF
HEMINGFORD.  THE TORNADO WARNING AREA HAS BEEN ALTERED FROM 
NORTHERN BOX BUTTE COUNTY TO CENTRAL BOX BUTTE COUNTY.    

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
TUESDAY EVENING FOR THE PANHANDLE OF NEBRASKA AND SOUTHEASTERN
WYOMING.

LAT...LON 4237 10327 4219 10328 4218 10286 4236 10288

$$

WEILAND
000 
WWUS55 KCYS 052331
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
530 PM MDT TUE JUL 5 2005

NEC013-052340-
/O.CAN.KCYS.TO.W.0011.000000T0000Z-050705T2330Z/
BOX BUTTE NE-
530 PM MDT TUE JUL 5 2005

...THE TORNADO WARNING FOR CENTRAL BOX BUTTE COUNTY IS CANCELLED...

THE SEVERE STORM PRODUCING THE POSSIBLE TORNADO HAS WEAKENED SINCE
515 PM.  IN ADDITION...WEATHER SPOTTERS NEAR THE STORM REPORT THAT
THE FUNNEL CLOUD IS NO LONGER PERESENT.  FOR THAT REASON THE TORNADO
WARNING WILL EXPIRE AT 530 PM.  

THE STRONG STORM WAS LOCATED ABOUT 6 MILES SOUTH OF HEMINGFORD AT
525 PM.  THE STORM WILL MOVE TO THE EAST AT 20 MPH AND IS STILL
CAPABLE OF PRODUCING SMALL HAIL...GUSTY WINDS AND A PERIOD OF HEAVY
RAIN THROUGH 615 PM. 

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

LAT...LON 4237 10327 4219 10328 4218 10286 4236 10288

$$

WEILAND

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 7:01 PM MDTSevere Thunderstorm WarningCYSCheyenne49 min
Jul 5, 2:57 PM MDTSevere Thunderstorm WarningCYSBanner49 min
Jul 5, 3:04 PM MDTSevere Thunderstorm WarningCYSScotts Bluff48 min
Jul 5, 3:39 PM MDTSevere Thunderstorm WarningCYSBanner54 min
Jul 5, 3:44 PM MDTSevere Thunderstorm WarningCYSMorrill56 min
Jul 5, 3:59 PM MDTSevere Thunderstorm WarningCYSKimball61 min
Jul 5, 4:19 PM MDTSevere Thunderstorm WarningCYSBox Butte58 min
Jul 5, 4:51 PM MDTSevere Thunderstorm WarningCYSKimball55 min
Jul 5, 5:41 PM MDTSevere Thunderstorm WarningCYSSioux34 min
Jul 5, 5:43 PM MDTSevere Thunderstorm WarningCYSDawes62 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.