Alert archive / Wyoming / High Wind Watches in 2012

High Wind Watch 9, NWS Cheyenne, WY

January 26, 20124 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Jan 26, 2012, 3:35 AM MST for 4 counties in Wyoming. It took effect at Jan 26, 2012, 3:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 26, 2012, 3:35 AM MST (10:35 UTC)
In effect from
Jan 26, 2012, 3:00 PM MST
Expired
Jan 26, 2012, 9:37 AM MST
In force
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 10:34 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

Riverton, WY (KRIW), launched 00:00Z, 10.6 hours before the alert went out and 278 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 00:00Z on 2012-01-26Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2012-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.1939587897117136Sfc1 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
2677 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
246 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.

140 
WWUS75 KCYS 261035
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
335 AM MST THU JAN 26 2012

...STRONG WINDS POSSIBLE LATE TODAY AND EARLY TONIGHT...

.STRONG WINDS WILL AGAIN BE POSSIBLE OVER WIND PRONE CORRIDORS 
OF SOUTHEST WYOMING BY LATE THIS AFTERNOON AND EARLY TONIGHT.
WESTERLY WINDS ARE EXPECTED TO INCREASE AHEAD OF A PACIFIC SYSTEM
WHICH WILL MOVE ACROSS THE AREA TONIGHT. A BRIEF PERIOD OF STRONG
WINDS IS POSSIBLE AHEAD OF THIS SYSTEM. WIND SPEEDS OF 40 TO 45
MPH WITH GUSTS TO 60 MPH MAY OCCUR. WINDS WILL DECREASE AFTER
MIDNIGHT AS A COLD FRONT MOVES INTO THE AREA. 

WYZ106-110-116-117-262245-
/O.NEW.KCYS.HW.A.0009.120126T2200Z-120127T0700Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER
335 AM MST THU JAN 26 2012

...HIGH WIND WATCH IN EFFECT FROM 3 PM MST THIS AFTERNOON THROUGH
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM 3 PM MST THIS AFTERNOON THROUGH
THIS EVENING. 


* TIMING...WESTERLY WINDS WILL INCREASE THIS AFTERNOON...
  POTENTIALLY BECOMING STRONG AND GUSTY BY LATE THIS AFTERNOON.
  WINDS WILL DECREASE LATE THIS EVENING. 

* WINDS...SUSTAINED WINDS OF 35 TO 45 MPH WILL BE POSSIBLE WITH
  GUSTS TO 60 MPH. 

* IMPACTS...THERE IS THE POTENTIAL FOR BLOW OVER OF HIGH PROFILE
  VEHICLES TRAVELING THROUGH THE WATCH AREA. THIS INCLUDES AREAS
  ALONG INTERSTATE 25 BETWEEN MILEPOSTS 2 AND 9 AND MILEPOSTS 67
  AND 72...AS WELL AS INTERSTATE 80 BETWEEN MILEPOSTS 265 AND 275.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
LIEBL
1 follow-up statement
537 
WWUS75 KCYS 261637
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
937 AM MST THU JAN 26 2012

...BRIEF PERIOD OF STRONG WINDS EXPECTED LATE TODAY AND EARLY
TONIGHT...

.WINDS ARE EXPECTED TO INCREASE THIS AFTERNOON OVER WIND PRONE
CORRIDORS OF SOUTHEAST WYOMING BY LATE THIS AFTERNOON AND SHOULD
BECOME LOCALLY QUITE GUSTY THROUGH EARLY THIS EVENING AHEAD OF A
COLD FRONT. WIND SPEEDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH MAY
OCCUR. WINDS WILL DECREASE LATER IN THE EVENING AS THE COLD FRONT
MOVES ACROSS THE AREA.

WYZ116-117-261745-
/O.CAN.KCYS.HW.A.0009.120126T2200Z-120127T0700Z/
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
937 AM MST THU JAN 26 2012

...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE HIGH
WIND WATCH. 

GUSTY WESTERLY WINDS ARE STILL EXPECTED TO DEVELOP THIS AFTERNOON
AND CONTINUE INTO THIS EVENING BUT HIGH WINDS DO NOT APPEAR LIKELY
AT THIS TIME.  SOME GUSTS AROUND 50 MPH ARE STILL POSSIBLE.

$$

WYZ106-110-270400-
/O.UPG.KCYS.HW.A.0009.120126T2200Z-120127T0700Z/
/O.NEW.KCYS.HW.W.0009.120126T2200Z-120127T0400Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN
937 AM MST THU JAN 26 2012

...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM
MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM MST
THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...LATE THIS AFTERNOON THROUGH EARLY THIS EVENING.

* WINDS...WEST OR SOUTHWEST AT SUSTAINED SPEEDS OF 30 TO 45 MPH
  WITH LOCALIZED GUSTS AROUND 60 MPH.

* IMPACTS...THERE IS THE POTENTIAL FOR BLOW OVER OF HIGH PROFILE
  VEHICLES TRAVELING THROUGH THE WARNED AREA. THIS INCLUDES AREAS
  ALONG INTERSTATE 25 BETWEEN MILEPOSTS 67 AND 72...AS WELL AS
  INTERSTATE 80 BETWEEN MILEPOSTS 265 AND 275.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 3:35 AM MSTWinter Weather AdvisoryCYSAlbany, Carbon24 hr
Jan 26, 9:37 AM MSTHigh Wind WarningCYSAlbany, Carbon, Laramie, Platte11 hr

Nearby

High Wind Watches in Wyoming, 2012Every high wind watch in 2012

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.