Alert archive / Wyoming / Tornado Warnings in 2006

Tornado Warning 9, NWS Cheyenne, WY

July 3, 2006Converse County, Wyoming

NWS Cheyenne, WY issued this tornado warning at Jul 3, 2006, 5:11 PM MDT for Converse County, Wyoming. It was in force for 34 min. 6 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
Jul 3, 2006, 5:11 PM MDT (23:11 UTC)
Expired
Jul 3, 2006, 5:45 PM MDT
In force
34 min
Issued by
NWS Cheyenne, WY
Area
Counties, with a storm outline in the text

County Converse County, WY

The radar

The Cheyenne radar (KCYS), 214 km from the middle of the area, began a volume at 23:12 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
Jul 3, 5:30 PM MDTHAIL 1Glenrock, WY1 INCH FALLING DOWNTOWN...SEVERAL REPORTS...COVERING GROUND.
Jul 3, 5:30 PM MDTHAIL 1Glenrock, WYONE INCH FALLING DOWNTOWN...SEVERAL REPORTS..COVERING THE GROUND.
Jul 3, 5:34 PM MDTTORNADO20 W Douglas, WYSPOTTED BY PILOT
Jul 3, 5:34 PM MDTTORNADO20 W Douglas, WYSPOTTED BY PILOT.
Jul 3, 5:35 PM MDTHAIL 1Glenrock, WYBROKE WINDSHIELD OF HIGHWAY PATROL CAR.
Jul 3, 5:35 PM MDTHAIL 1Glenrock, WYHAIL BROKE WINDSHIELD OF HIGHWAY PATROL CAR.

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

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 11.2 hours before the alert went out and 208 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, Riverton, WY at 12:00Z on 2006-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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, Riverton, WY at 12:00Z on 2006-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.19395878Sfc1 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
54 J/kg
Mixed-layer CIN
-233 J/kg
Mixed-layer LCL
1623 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
124 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 032311
TORCYS
WYC009-032345-
/O.NEW.KCYS.TO.W.0009.060703T2311Z-060703T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
511 PM MDT MON JUL 3 2006

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CONVERSE COUNTY IN EAST CENTRAL WYOMING

* UNTIL 545 PM MDT

* AT 502 PM MDT...THE PUBLIC REPORTED A TORNADO NEAR BLUE HILL
  RESERVOIR...OR ABOUT 16 MILES NORTHEAST OF EVANSVILLE...MOVING
  SOUTHEAST AT 20 MPH.

* THE TORNADO IS WILL BE NEAR...
  SAND CREEK RESERVOIR BY 525 PM MDT...
  ROLLING HILLS ESTATES AND GLENROCK BY 540 PM MDT...
  DEER CREEK BY 545 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.

LAT...LON 4314 10606 4286 10606 4256 10567 4284 10543

$$

SOWKO
4 follow-up statements
000 
WWUS55 KCYS 032329
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
529 PM MDT MON JUL 3 2006

WYC009-032345-
/O.CON.KCYS.TO.W.0009.000000T0000Z-060703T2345Z/
CONVERSE WY-
529 PM MDT MON JUL 3 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR SOUTHERN
CONVERSE COUNTY...

AT 523 PM MDT...THE PUBLIC REPORTED A TORNADO.  THIS TORNADO WAS
LOCATED NEAR I-25 MM 165...OR ABOUT 16 MILES EAST OF EVANSVILLE...
MOVING SOUTHEAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  BOXELDER BY 545 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.

LAT...LON 4298 10587 4277 10608 4244 10594 4255 10542

$$

SOWKO
000 
WWUS55 KCYS 032332
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
531 PM MDT MON JUL 3 2006

WYC009-032345-
/O.CON.KCYS.TO.W.0009.000000T0000Z-060703T2345Z/
CONVERSE WY-
531 PM MDT MON JUL 3 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR SOUTHERN
CONVERSE COUNTY...

AT 531 PM MDT...THE PUBLIC REPORTED A TORNADO.  THIS TORNADO WAS
LOCATED NEAR I-25 MM 165...OR ABOUT 20 MILES EAST OF EVANSVILLE...
MOVING SOUTHEAST AT 20 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.

LAT...LON 4298 10587 4277 10608 4244 10594 4255 10542

$$

JR
000 
WWUS55 KCYS 032335
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
535 PM MDT MON JUL 3 2006

WYC009-032345-
/O.CON.KCYS.TO.W.0009.000000T0000Z-060703T2345Z/
CONVERSE WY-
535 PM MDT MON JUL 3 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR SOUTHERN
CONVERSE COUNTY...

AT 532 PM MDT...DOPPLER RADAR INDICATED A TORNADO.  THIS TORNADO WAS 
LOCATED NEAR I-25 MM 165...OR ABOUT 21 MILES EAST OF 
EVANSVILLE...MOVING SOUTHEAST AT 20 MPH.

HAIL THE SIZE OF QUARTERS WAS REPORTED IN DOWNTOWN GLENROCK AT 534 
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.

LAT...LON 4298 10587 4277 10608 4244 10594 4255 10542

$$

JR
000 
WWUS55 KCYS 032345
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
545 PM MDT MON JUL 3 2006

WYC009-032353-
/O.EXP.KCYS.TO.W.0009.000000T0000Z-060703T2345Z/
CONVERSE WY-
545 PM MDT MON JUL 3 2006

...THE TORNADO WARNING FOR CENTRAL CONVERSE COUNTY EXPIRES AT 545 PM
MDT...

THE STORM THAT PROMPTED THE WARNING HAS MOVED SOUTH INTO SOUTHWEST 
CONVERSE COUNTY AND WAS OUT OF CENTRAL CONVERSE COUNTY. ANOTHER 
TORNADO WARNING HAS BEEN ISSUED FOR SOUTHWEST CONVERSE COUNTY.

LAT...LON 4298 10587 4277 10608 4244 10594 4255 10542

$$

JR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 2:09 PM MDTFlash Flood WatchCYS7 hr
Jul 3, 3:26 PM MDTFlash Flood WarningCYSLaramie2 hr
Jul 3, 4:06 PM MDTFlash Flood WarningCYSLaramie3 hr
Jul 3, 4:49 PM MDTSevere Thunderstorm WarningCYSConverse28 min
Jul 3, 5:12 PM MDTFlash Flood WarningCYSPlatte2 hr
Jul 3, 5:44 PM MDTTornado WarningCYSConverse46 min

Nearby

Tornado Warnings in Wyoming, 2006Every tornado warning in 2006Tornadoes in 2006

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.