Alert archive / Wyoming / High Wind Watches in 2011

High Wind Watch 2, NWS Cheyenne, WY

January 3, 20114 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Jan 3, 2011, 12:36 PM MST for 4 counties in Wyoming. It took effect at Jan 5, 2011, 5:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 3, 2011, 12:36 PM MST (19:36 UTC)
In effect from
Jan 5, 2011, 5:00 AM MST
Expired
Jan 4, 2011, 3:24 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 19:33 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 12:00Z, 7.6 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 12:00Z on 2011-01-03Temperature 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 12:00Z on 2011-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1382 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
230 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.

355 
WWUS75 KCYS 031936
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1236 PM MST MON JAN 3 2011

...HIGH WIND WATCH FOR SOUTHEAST WYOMING...

.A COMBINATION OF A TIGHTENING PRESSURE GRADIENT AND A FAST MOVING
CLIPPER SYSTEM MOVING ACROSS THE AREA WILL PRODUCE STRONG WINDS
IN THE WIND PRONE AREAS OF SOUTHEAST WYOMING.

WYZ106-110-116-117-040345-
/O.NEW.KCYS.HW.A.0002.110105T1200Z-110106T0000Z/
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
1236 PM MST MON JAN 3 2011

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
WEDNESDAY AFTERNOON. 

* TIMING...EARLY WEDNESDAY MORNING THROUGH LATE WEDNESDAY AFTERNOON. 

* WINDS...35 TO 45 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...VERY STRONG WINDS AND SUDDEN GUSTS WILL MAKE TRAVEL
  HAZARDOUS FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES.
  THE STRONG WINDS WILL PRODUCE BLOWING SNOW WHICH WILL GREATLY
  REDUCE VISIBILITIES TO LESS THAN A MILE AND MAY CREATE SLICK AREAS
  ON ROADWAYS.

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.

&&

$$
GRIFFITH
2 follow-up statements
120 
WWUS75 KCYS 040258
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
758 PM MST MON JAN 3 2011

...HIGH WIND WATCH FOR PARTS OF SOUTHEAST WYOMING...

.A COMBINATION OF A TIGHTENING PRESSURE GRADIENT AND A FAST
MOVING CLIPPER SYSTEM MOVING ACROSS THE AREA MAY PRODUCE STRONG
WINDS IN THE WIND PRONE AREAS OF SOUTHEAST WYOMING.

WYZ106-110-116-117-041800-
/O.CON.KCYS.HW.A.0002.110105T1200Z-110106T0000Z/
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
758 PM MST MON JAN 3 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY AFTERNOON. 

* TIMING...EARLY WEDNESDAY MORNING THROUGH LATE WEDNESDAY 
  AFTERNOON.

* WINDS...35 TO 45 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...VERY STRONG WINDS AND SUDDEN GUSTS WILL MAKE TRAVEL
  HAZARDOUS FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES.
  THE STRONG WINDS WILL PRODUCE LOCAL AREAS OF BLOWING SNOW WHICH
  WILL GREATLY REDUCE VISIBILITIES TO LESS THAN A MILE AND MAY
  CREATE SLICK AREAS ON ROADWAYS.

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.

&&

$$
540 
WWUS75 KCYS 041024
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
324 AM MST TUE JAN 4 2011

...STRONG WINDS WILL AFFECT PARTS OF SOUTHEAST WYOMING LATE THIS
EVENING THROUGH WEDNESDAY...

.WINDS WILL INCREASE IN THE UPPER ATMOSPHERE OVER THE REGION
EARLY TONIGHT AND REMAIN STRONG THROUGH WEDNESDAY. DURING THE 
SAME TIME...THERE WILL BE A LARGE DIFFERENCE IN SURFACE PRESSURE
ACROSS THE CENTRAL ROCKIES. THE RESULT WILL BE WESTERLY WINDS
GUSTING AS HIGH AS 60 MPH IN SOME AREAS ALONG AND WEST OF THE
LARAMIE RANGE LATE THIS EVENING THROUGH WEDNESDAY.

WYZ106-110-116-117-042200-
/O.UPG.KCYS.HW.A.0002.110105T1200Z-110106T0000Z/
/O.NEW.KCYS.HW.W.0002.110105T0400Z-110106T0000Z/
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
324 AM MST TUE JAN 4 2011

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 5 PM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 5 PM MST
WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

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

* WINDS...35 TO 45 MPH WITH GUSTS TO AROUND 60 MPH.

* IMPACTS...VERY STRONG WINDS AND SUDDEN GUSTS WILL MAKE TRAVEL 
  HAZARDOUS FOR THOSE WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES. 
  THE STRONG WINDS WILL PRODUCE LOCAL AREAS OF BLOWING SNOW 
  WHICH WILL GREATLY REDUCE VISIBILITIES TO LESS THAN A MILE AND 
  MAY CREATE SLICK AREAS ON ROADWAYS. 

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 AND NEBRASKA...DIAL 5 1 1.

&&

$$

WEILAND

Nearby

High Wind Watches in Wyoming, 2011Every high wind watch in 2011

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.