Alert archive / Wyoming / High Wind Watches in 2011

High Wind Watch 22, NWS Cheyenne, WY

May 29, 20117 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at May 29, 2011, 4:38 AM MDT for 7 counties in Wyoming. It took effect at May 30, 2011, 12:00 PM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
May 29, 2011, 4:38 AM MDT (10:38 UTC)
In effect from
May 30, 2011, 12:00 PM MDT
Expired
May 30, 2011, 3:13 AM MDT
In force
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 114 km from the middle of the area, began a volume at 10:39 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 279 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 2011-05-29Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2011-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.1939587897117136156Sfc1 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
2944 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
51 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.

322 
WWUS75 KCYS 291038
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
438 AM MDT SUN MAY 29 2011

...DENSE FOG EXPECTED TODAY ACROSS THE SOUTHERN LARAMIE RANGE
AND SOUTH LARAMIE RANGE FOOTHILLS...
...HIGH WINDS LOOKING LIKELY IN THE AFTERNOON ON MEMORIAL DAY
ACROSS MUCH OF SOUTHEAST WYOMING.

.AREAS OF DENSE FOG WILL CONTINUE THROUGH MID MORNING TODAY
ACROSS CENTRAL LARAMIE COUNTY AND CHEYENNE DUE TO PERSISTENT
AND MOIST UPSLOPE WINDS. DENSE FOG WILL CONTINUE ALL DAY OVER
THE SUMMIT OF INTERSTATE 80...THE SOUTHERN LARAMIE RANGE AND THE
SOUTHERN LARAMIE RANGE FOOTHILLS DUE TO PERSISTENT MOIST UPSLOPE
WINDS.

HIGH WINDS ARE LOOKING INCREASINGLY LIKELY FOR MUCH OF SOUTHEAST
WYOMING IN THE AFTERNOON ON MEMORIAL DAY IN THE WAKE OF A STRONG
PACIFIC ORIGIN COLD FRONT AND WITH DEEP WEST WINDS AND A STRONG
PRESSURE GRADIENT AND STRONG WINDS ALOFT.

WYZ116-117-300000-
/O.NEW.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
/O.EXT.KCYS.FG.Y.0009.000000T0000Z-110530T0000Z/
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
438 AM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 6 PM MDT THIS EVENING...
...HIGH WIND WATCH IN EFFECT MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. THE DENSE FOG
ADVISORY IS NOW IN EFFECT UNTIL 6 PM MDT THIS EVENING. 

* VISIBILITY...BELOW ONE QUARTER OF A MILE.

* TIMING...THROUGH 600 PM FOR THE DENSE FOG ADVISORY. FROM NOON TO
  600 PM ON MEMORIAL DAY FOR THE HIGH WIND WATCH.

* WINDS...WEST AT 30 TO 45 MPH WITH GUSTS TO 65 MPH MEMORIAL DAY
  AFTERNOON. 

* IMPACTS...MOTORISTS WILL HAVE LIMITED VISIBILITIES DUE TO DENSE
  FOG. POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL CAUSE
  HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH
  PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

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.

&&

$$

WYZ118-300000-
/O.NEW.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
/O.CON.KCYS.FG.Y.0009.000000T0000Z-110529T1500Z/
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITY OF...CHEYENNE
438 AM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
...HIGH WIND WATCH IN EFFECT MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. A DENSE FOG ADVISORY
REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING. 

* VISIBILITY...BELOW ONE QUARTER OF A MILE.

* TIMING...THROUGH 900 AM FOR THE DENSE FOG. FROM NOON TO 600 PM 
  ON MEMORIAL DAY FOR THE HIGH WIND WATCH.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH ON MEMORIAL
  DAY AFTERNOON.

* IMPACTS...MOTORISTS WILL HAVE LIMITED VISIBILITIES DUE TO DENSE
  FOG. POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL CAUSE
  HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH
  PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

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.

&&

$$

WYZ101>110-113-115-119-300000-
/O.NEW.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
438 AM MDT SUN MAY 29 2011

...HIGH WIND WATCH IN EFFECT MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. 

* TIMING...FROM NOON TO 600 PM ON MEMORIAL DAY.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 65 MPH.

* IMPACTS...POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL
  CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT
  AND HIGH PROFILE VEHICLES.

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.

&&

$$

RUBIN
7 follow-up statements
097 
WWUS75 KCYS 291456
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
856 AM MDT SUN MAY 29 2011

...DENSE FOG EXPECTED TODAY ACROSS THE SOUTHERN LARAMIE RANGE AND
SOUTH LARAMIE RANGE FOOTHILLS... 
...HIGH WINDS LOOKING LIKELY IN THE AFTERNOON ON MEMORIAL DAY
ACROSS MUCH OF SOUTHEAST WYOMING...

.AREAS OF DENSE FOG WILL CONTINUE THROUGH MID MORNING TODAY
ACROSS CENTRAL LARAMIE COUNTY AND WEST OF CHEYENNE DUE TO
PERSISTENT AND MOIST UPSLOPE WINDS. DENSE FOG WILL CONTINUE ALL
DAY OVER THE SUMMIT OF INTERSTATE 80...THE SOUTHERN LARAMIE RANGE
AND THE SOUTHERN LARAMIE RANGE FOOTHILLS DUE TO PERSISTENT MOIST
UPSLOPE WINDS.

HIGH WINDS ARE LOOKING INCREASINGLY LIKELY FOR MUCH OF SOUTHEAST
WYOMING IN THE AFTERNOON ON MEMORIAL DAY IN THE WAKE OF A STRONG
PACIFIC ORIGIN COLD FRONT AND WITH DEEP WEST WINDS AND A STRONG
PRESSURE GRADIENT AND STRONG WINDS ALOFT.

WYZ118-292300-
/O.EXP.KCYS.FG.Y.0009.000000T0000Z-110529T1500Z/
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITY OF...CHEYENNE
856 AM MDT SUN MAY 29 2011

...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...
...DENSE FOG ADVISORY WILL EXPIRE AT 9 AM MDT THIS MORNING...

THE DENSE FOG ADVISORY WILL EXPIRE AT 9 AM MDT THIS MORNING. A
HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* VISIBILITY...ONE HALF TO ONE AND A HALF MILES.

* TIMING...AREAS OF FOG WILL PERSIST THROUGH NOON. THE HIGH WIND
  WATCH WILL BE IN EFFECT FROM NOON TO 600 PM ON MEMORIAL DAY.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH ON 
  MEMORIAL DAY AFTERNOON. 

* IMPACTS...MOTORISTS WILL STILL HAVE LIMITED VISIBILITIES DUE TO
  DENSE FOG AND SLICK ROADS DUE TO DRIZZLE. STRONG WINDS ARE
  POSSIBLE ON ON MEMORIAL DAY AFTERNOON WILL CAUSE HAZARDOUS TRAVEL
  CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE VEHICLES.

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.

&&

$$

WYZ116-117-292300-
/O.CON.KCYS.FG.Y.0009.000000T0000Z-110530T0000Z/
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
856 AM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. A HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* VISIBILITY...BELOW ONE QUARTER OF A MILE.

* TIMING...THROUGH 600 PM FOR THE DENSE FOG ADVISORY. FROM NOON 
  TO 600 PM ON MEMORIAL DAY FOR THE HIGH WIND WATCH. 

* WINDS...WEST AT 30 TO 45 MPH WITH GUSTS TO 65 MPH MEMORIAL DAY 
  AFTERNOON. 

* IMPACTS...MOTORISTS WILL HAVE LIMITED VISIBILITIES DUE TO 
  DENSE FOG. POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON 
  WILL CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH 
  LIGHTWEIGHT AND HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

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.

&&

$$

WYZ101>110-113-115-119-292300-
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
856 AM MDT SUN MAY 29 2011

...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...FROM NOON TO 600 PM ON MEMORIAL DAY.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 65 MPH.

* IMPACTS...POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL 
  CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT 
  AND HIGH PROFILE VEHICLES. 

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.

&&

$$
571 
WWUS75 KCYS 291915
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
115 PM MDT SUN MAY 29 2011

...HIGH WINDS LOOKING LIKELY IN THE AFTERNOON ON MEMORIAL DAY
ACROSS MUCH OF SOUTHEAST WYOMING...

.HIGH WINDS ARE LOOKING INCREASINGLY LIKELY FOR MUCH OF
SOUTHEAST WYOMING IN THE AFTERNOON ON MEMORIAL DAY IN THE WAKE OF
A STRONG PACIFIC ORIGIN COLD FRONT AND WITH A STRONG PRESSURE
GRADIENT AND STRONG WINDS ALOFT.

WYZ116-117-300315-
/O.CAN.KCYS.FG.Y.0009.000000T0000Z-110530T0000Z/
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
115 PM MDT SUN MAY 29 2011

...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...
...DENSE FOG ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE DENSE
FOG ADVISORY. A HIGH WIND WATCH REMAINS IN EFFECT MONDAY
AFTERNOON. 

* TIMING...NOON TO 600 PM ON MEMORIAL DAY FOR THE HIGH WIND
  WATCH.

* WINDS...WEST AT 30 TO 45 MPH WITH GUSTS TO 60 MPH MEMORIAL DAY
  AFTERNOON.

* IMPACTS...POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL
  CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND
  HIGH PROFILE VEHICLES.

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.

&&

$$

WYZ102-103-107-108-113-119-292015-
/O.CAN.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
NIOBRARA COUNTY-NORTH LARAMIE RANGE-EAST PLATTE COUNTY-
GOSHEN COUNTY-UPPER NORTH PLATTE RIVER BASIN-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...LUSK...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...TORRINGTON...SARATOGA...ENCAMPMENT...RIVERSIDE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
115 PM MDT SUN MAY 29 2011

...HIGH WIND WATCH IS CANCELLED...

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

GUSTY WESTERLY WINDS ARE STILL EXPECTED MONDAY AFTERNOON INTO THE
EVENING BUT THE THREAT OF HIGH WINDS APPEARS TO HAVE DIMINISHED.

$$

WYZ101-104>106-109-110-115-118-300315-
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...RAWLINS...SINCLAIR...HANNA...
ARLINGTON...ELK MOUNTAIN...LARAMIE...CHEYENNE
115 PM MDT SUN MAY 29 2011

...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...FROM NOON TO 600 PM ON MEMORIAL DAY.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 65 MPH.

* IMPACTS...POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL 
  CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT 
  AND HIGH PROFILE VEHICLES. 

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.

&&

$$
637 
WWUS75 KCYS 292047
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
247 PM MDT SUN MAY 29 2011

...HIGH WINDS LOOKING LIKELY IN THE AFTERNOON ON MEMORIAL DAY
ACROSS MUCH OF SOUTHEAST WYOMING...

.HIGH WINDS ARE LOOKING INCREASINGLY LIKELY FOR MUCH OF SOUTHEAST
WYOMING IN THE AFTERNOON ON MEMORIAL DAY IN THE WAKE OF A STRONG
PACIFIC ORIGIN COLD FRONT AND WITH A STRONG PRESSURE GRADIENT AND
STRONG WINDS ALOFT.

WYZ101-104>106-109-110-115>118-301100-
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...RAWLINS...SINCLAIR...HANNA...
ARLINGTON...ELK MOUNTAIN...LARAMIE...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE
247 PM MDT SUN MAY 29 2011

...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...NOON TO 600 PM ON MEMORIAL DAY.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL 
  CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT 
  AND HIGH PROFILE VEHICLES. 

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.

&&

$$
937 
WWUS75 KCYS 292248
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
448 PM MDT SUN MAY 29 2011

...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT...

...HIGH WINDS LOOKING LIKELY IN THE AFTERNOON ON MEMORIAL DAY
ACROSS MUCH OF SOUTHEAST WYOMING...

.HIGH WINDS ARE LOOKING INCREASINGLY LIKELY FOR MUCH OF SOUTHEAST
WYOMING IN THE AFTERNOON ON MEMORIAL DAY IN THE WAKE OF A STRONG
PACIFIC ORIGIN COLD FRONT AND WITH A STRONG PRESSURE GRADIENT AND
STRONG WINDS ALOFT.

WYZ106-300700-
/O.NEW.KCYS.FG.Y.0010.110529T2248Z-110530T1500Z/
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
448 PM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT MONDAY...
...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM MDT MONDAY. A HIGH WIND
WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...THE DENSE FOG WILL PERSIST THROUGH MUCH OF THE NIGHT
  INTO MONDAY MORNING. GUSTY WEST WINDS WILL KICK IN TOWARDS MID
  MORNING ON MONDAY WHICH WILL HELP PUSH OUT THE FOG. THE WIND
  SPEEDS WILL CONTINUE TO INCREASE ESPECIALLY AROUND NOON AND
  CONTINUE THROUGH 6 PM. 

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A MILE
  THROUGH MUCH OF THE NIGHT. 

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT. STRONG
  WINDS ON MEMORIAL DAY AFTERNOON WILL CAUSE HAZARDOUS TRAVEL
  CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE VEHICLES.

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

WYZ101-104-105-109-110-115>118-300700-
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE
448 PM MDT SUN MAY 29 2011

...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...NOON TO 600 PM ON MEMORIAL DAY.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL 
  CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT 
  AND HIGH PROFILE VEHICLES. 

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.

&&

$$
COX
021 
WWUS75 KCYS 292355
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
555 PM MDT SUN MAY 29 2011

...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT...

...HIGH WINDS LOOKING LIKELY IN THE AFTERNOON ON MEMORIAL DAY
ACROSS MUCH OF SOUTHEAST WYOMING...

.HIGH WINDS ARE LOOKING INCREASINGLY LIKELY FOR MUCH OF SOUTHEAST
WYOMING IN THE AFTERNOON ON MEMORIAL DAY IN THE WAKE OF A STRONG
PACIFIC ORIGIN COLD FRONT AND WITH A STRONG PRESSURE GRADIENT AND
STRONG WINDS ALOFT.

WYZ101-116>118-300800-
/O.EXB.KCYS.FG.Y.0010.110530T0000Z-110530T1500Z/
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...VEDAUWOO...
BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...
CHEYENNE
555 PM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT MONDAY...
...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM MDT MONDAY. A HIGH WIND
WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...THE DENSE FOG IS EXPECTED TO BECOME MORE WIDESPREAD
  ACROSS THE AREA THROUGH MUCH OF THE NIGHT INTO MONDAY MORNING.
  GUSTY WEST WINDS WILL KICK IN TOWARDS MID MORNING ON MONDAY
  WHICH WILL HELP PUSH OUT THE FOG. THE WIND SPEEDS WILL CONTINUE
  TO INCREASE ESPECIALLY AROUND NOON AND CONTINUE THROUGH 6 PM.

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A 
  MILE THROUGH MUCH OF THE NIGHT.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT. 
  STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL CAUSE HAZARDOUS 
  TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE 
  VEHICLES.  

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

NEZ002-003-019>021-054-055-095-096-WYZ102-107-108-119-300800-
/O.EXB.KCYS.FG.Y.0010.110530T0000Z-110530T1500Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-EAST PLATTE COUNTY-
GOSHEN COUNTY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...LUSK...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...TORRINGTON...BURNS...CARPENTER...ALBIN...PINE BLUFFS
555 PM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT MONDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM MDT MONDAY. 

* TIMING...THE DENSE FOG WILL PERSIST THROUGH MUCH OF THE NIGHT 
  INTO MONDAY MORNING. GUSTY WEST WINDS WILL KICK IN TOWARDS MID 
  MORNING ON MONDAY WHICH WILL HELP PUSH OUT THE FOG. THE WIND 
  SPEEDS WILL CONTINUE TO INCREASE ESPECIALLY AROUND NOON AND 
  CONTINUE THROUGH 6 PM. 

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A 
  MILE THROUGH MUCH OF THE NIGHT. 

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT. 
  STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL CAUSE HAZARDOUS 
  TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE 
  VEHICLES. 

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

WYZ106-300800-
/O.CON.KCYS.FG.Y.0010.000000T0000Z-110530T1500Z/
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
555 PM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT MONDAY...
...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT MONDAY. A
HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...THE DENSE FOG WILL PERSIST THROUGH MUCH OF THE NIGHT 
  INTO MONDAY MORNING. GUSTY WEST WINDS WILL KICK IN TOWARDS MID 
  MORNING ON MONDAY WHICH WILL HELP PUSH OUT THE FOG. THE WIND 
  SPEEDS WILL CONTINUE TO INCREASE ESPECIALLY AROUND NOON AND 
  CONTINUE THROUGH 6 PM. 

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A 
  MILE THROUGH MUCH OF THE NIGHT. 

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT. 
  STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL CAUSE HAZARDOUS 
  TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE 
  VEHICLES. 

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

WYZ104-105-109-110-115-300800-
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...LARAMIE
555 PM MDT SUN MAY 29 2011

...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...NOON TO 600 PM ON MEMORIAL DAY.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL 
  CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT 
  AND HIGH PROFILE VEHICLES. 

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.

&&

$$
COX
547 
WWUS75 KCYS 300503
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1103 PM MDT SUN MAY 29 2011

...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT...

...HIGH WINDS LOOKING LIKELY IN THE AFTERNOON ON MEMORIAL DAY
ACROSS MUCH OF SOUTHEAST WYOMING...

.HIGH WINDS ARE LOOKING INCREASINGLY LIKELY FOR MUCH OF SOUTHEAST
WYOMING IN THE AFTERNOON ON MEMORIAL DAY IN THE WAKE OF A STRONG
PACIFIC ORIGIN COLD FRONT AND WITH A STRONG PRESSURE GRADIENT AND
STRONG WINDS ALOFT.

WYZ101-106-116>118-301315-
/O.CON.KCYS.FG.Y.0010.000000T0000Z-110530T1500Z/
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE
1103 PM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT MONDAY...
...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT MONDAY. A
HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...THE DENSE FOG WILL PERSIST THROUGH MUCH OF THE NIGHT 
  INTO MONDAY MORNING. GUSTY WEST WINDS WILL KICK IN TOWARDS MID 
  MORNING ON MONDAY WHICH WILL HELP PUSH OUT THE FOG. THE WIND 
  SPEEDS WILL CONTINUE TO INCREASE ESPECIALLY AROUND NOON AND 
  CONTINUE THROUGH 6 PM. 

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A 
  MILE THROUGH MUCH OF THE NIGHT. 

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT. 
  STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL CAUSE HAZARDOUS 
  TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE 
  VEHICLES. 

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

NEZ002-003-019>021-054-055-095-096-WYZ102-107-108-119-301315-
/O.CON.KCYS.FG.Y.0010.000000T0000Z-110530T1500Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-EAST PLATTE COUNTY-
GOSHEN COUNTY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...LUSK...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...TORRINGTON...BURNS...CARPENTER...ALBIN...PINE BLUFFS
1103 PM MDT SUN MAY 29 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT MONDAY...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT MONDAY. 

* TIMING...THE DENSE FOG WILL PERSIST THROUGH MUCH OF THE NIGHT 
  INTO MONDAY MORNING. GUSTY WEST WINDS WILL KICK IN TOWARDS MID 
  MORNING ON MONDAY WHICH WILL HELP PUSH OUT THE FOG. THE WIND 
  SPEEDS WILL CONTINUE TO INCREASE ESPECIALLY AROUND NOON AND 
  CONTINUE THROUGH 6 PM. 

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A 
  MILE THROUGH MUCH OF THE NIGHT. 

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT. 
  STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL CAUSE HAZARDOUS 
  TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE 
  VEHICLES. 

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

WYZ104-105-109-110-115-301315-
/O.CON.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...LARAMIE
1103 PM MDT SUN MAY 29 2011

...HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT MONDAY AFTERNOON. 

* TIMING...NOON TO 600 PM ON MEMORIAL DAY.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...POSSIBLE STRONG WINDS ON MEMORIAL DAY AFTERNOON WILL 
  CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT 
  AND HIGH PROFILE VEHICLES. 

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.

&&

$$
209 
WWUS75 KCYS 300913
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
313 AM MDT MON MAY 30 2011

...AREAS OF DENSE FOG EXPECTED...
...HIGH WINDS THIS AFTERNOON ACROSS MUCH OF SOUTHEAST WYOMING...

.AREAS OF DENSE FOG WILL CONTINUE THE REST OF THE NIGHT.

HIGH WINDS ARE LOOKING LIKELY FOR MUCH OF SOUTHEAST WYOMING THIS
AFTERNOON IN THE WAKE OF A STRONG PACIFIC ORIGIN COLD FRONT AND
WITH A STRONG PRESSURE GRADIENT AND STRONG WINDS ALOFT.

WYZ101-106-116>118-301500-
/O.UPG.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
/O.NEW.KCYS.HW.W.0041.110530T1800Z-110531T0200Z/
/O.CON.KCYS.FG.Y.0010.000000T0000Z-110530T1500Z/
CONVERSE COUNTY LOWER ELEVATIONS-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE
313 AM MDT MON MAY 30 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. A DENSE FOG
ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING. 

* TIMING...THE DENSE FOG WILL PERSIST THROUGH MUCH OF THE REST OF
  THE NIGHT. WINDS WILL INCREASE SIGNIFICANTLY THIS AFTERNOON AND
  CONTINUE INTO THE EARLY EVENING.

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A MILE
  AT TIMES.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT.
  STRONG WINDS WILL CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE
  WITH LIGHTWEIGHT AND HIGH PROFILE VEHICLES.

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

WYZ107-301500-
/O.NEW.KCYS.HW.W.0041.110530T1800Z-110531T0200Z/
/O.CON.KCYS.FG.Y.0010.000000T0000Z-110530T1500Z/
EAST PLATTE COUNTY-
INCLUDING THE CITIES OF...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY
313 AM MDT MON MAY 30 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...
...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT
THIS MORNING. 

* TIMING...THE DENSE FOG WILL PERSIST THROUGH MUCH OF THE REST OF
  THE NIGHT. WINDS WILL INCREASE SIGNIFICANTLY THIS AFTERNOON AND
  CONTINUE INTO THE EARLY EVENING.

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A 
  MILE THROUGH MUCH OF THE NIGHT. 

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT.
  STRONG WINDS WILL CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE
  WITH LIGHTWEIGHT AND HIGH PROFILE VEHICLES.

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

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.

&&

$$

WYZ104-105-109-110-115-301500-
/O.UPG.KCYS.HW.A.0022.110530T1800Z-110531T0000Z/
/O.NEW.KCYS.HW.W.0041.110530T1800Z-110531T0200Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...LARAMIE
313 AM MDT MON MAY 30 2011

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...WINDS WILL INCREASE SIGNIFICANTLY THIS AFTERNOON AND
  CONTINUE INTO THE EARLY EVENING.

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS TRAVEL CONDITIONS
  FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE VEHICLES.


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.

&&

$$

NEZ002-003-019>021-054-055-095-096-WYZ102-108-119-301500-
/O.CON.KCYS.FG.Y.0010.000000T0000Z-110530T1500Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-GOSHEN COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...LUSK...TORRINGTON...BURNS...CARPENTER...
ALBIN...PINE BLUFFS
313 AM MDT MON MAY 30 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING. 

* TIMING...THE DENSE FOG WILL PERSIST THROUGH MUCH OF THE REST OF
  THE NIGHT. WINDS WILL INCREASE SIGNIFICANTLY THIS AFTERNOON AND
  CONTINUE INTO THE EARLY EVENING.

* VISIBILITY...WILL BE REDUCED TO LESS THAN ONE QUARTER OF A 
  MILE THROUGH MUCH OF THE NIGHT. 

* WINDS...WEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...DENSE FOG WILL CONTINUE THROUGH MUCH OF THE NIGHT.
  STRONG WINDS WILL CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE
  WITH LIGHTWEIGHT AND HIGH PROFILE VEHICLES.

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.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

RUBIN

What forecasters said that day

The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this high wind watch went out at May 29, 4:28 AM MDT, 10 minutes earlier.

Area forecast discussion, May 29, 4:28 AM MDT, 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
428 AM MDT SUN MAY 29 2011

.SHORT TERM...TODAY THROUGH TUESDAY.
TODAY...AS FOR DENSE FOG...WEBCAMS INDICATE DENSE FOG CONTINUES
ACROSS THE SOUTHERN LARAMIE RANGE AND LIKELY OVER THE EASTERN
LARAMIE RANGE FOOTHILLS WITH A 300 FOOT OVERCAST AT CHEYENNE AND
EAST WINDS. STILL HAVE NOT SEEN DENSE FOG AT CHEYENNE WITH 2 MILES
IN LIGHT RAIN AND FOG. WILL CONTINUE THE DENSE FOG ADVISORY ACROSS
CENTRAL LARAMIE COUNTY THROUGH 9 AM...THOUGH TOUGH CALL ON WHETHER
THE LOW STRATUS DECK WILL BE ABLE TO SINK TO THE SURFACE...DESPITE
THE UPSLOPE WINDS. WITH DEEP MOIST SOUTHEAST UPSLOPE WINDS
CONTINUING THROUGH THE DAY...CONFIDENCE QUITE HIGH THAT DENSE FOG
WILL CONTINUE ALL DAY ACROSS THE SOUTHERN LARAMIE RANGE AND SUMMIT
AS WELL AS THE EASTERN SLOPES OF THE LARAMIE RANGE...THUS WILL
EXTEND THE DENSE FOG ADVISORY FOR THESE LOCATIONS THROUGH 6 PM TODAY.

FOR THIS AFTERNOON...EXPECT SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AS MOIST UPSLOPE FLOW CONTINUES EAST OF THE LARAMIE
RANGE WITH A WEAK SHORTWAVE TROUGH ROTATING NORTHEASTWARD ACROSS
SOUTHEAST WYOMING...THOUGH STRONGER LIFT WILL LIE NORTH AND WEST OF
OUR COUNTIES AND THE MID LEVEL MOISTURE WILL BE LACKING. IMPRESSIVE
MID LEVEL THETA-E ADVECTION ABOVE THE COLD AIR SUGGESTS AT LEAST
ISOLATED ELEVATED THUNDERSTORMS DUE TO ELEVATED INSTABILITY.

HIGH TEMPERATURES WILL BE WELL BELOW GUIDANCE EAST OF THE LARAMIE
RANGE DUE TO PERSISTENT LOW STRATUS DECK AND UPSLOPE...WITH A
RELATIVELY MILD DAY FROM THE LARAMIE RANGE WESTWARD AS THE LOW
CLOUDS DISSIPATE TO THE WEST OF THE COLD AIRMASS.

TONIGHT...SCATTERED TO NUMEROUS SHOWERS IN THE EVENING AS NEXT
SHORTWAVE TROUGH ROTATES ACROSS...THEN DECREASING COVERAGE AFTER
MIDNIGHT. AREAS OF FOG WILL DEVELOP AGAIN BASED ON THE MOIST
BOUNDARY LAYER...THOUGH WITH DENSE FOG LESS LIKELY DUE TO LESS
UPSLOPE COMPONENT TO THE WINDS.

MEMORIAL DAY...PROGRESSIVE NEGATIVELY TILTED SHORTWAVE TROUGH
ROTATES NORTHEASTWARD ACROSS OUR COUNTIES...SENDING A STRONG PACIFIC
ORIGIN COLD FRONT EASTWARD ACROSS OUR COUNTIES. LOOKS LIKE A PERFECT
SETUP FOR A STRONG WIND EVENT...A BORA TYPE...DUE TO DEEP
UNIDIRECTIONAL WEST WINDS...STRONG COLD AIR ADVECTION BEHIND THE
COLD FRONT...STRONG QUASIGEOSTROPHIC DOWNWARD MOTION INDICATED ON
THE 500-300 MB AND 700-500 MB LAYERS AIDING THE DOWNWARD TRANSPORT
OF MOMENTUM AND WINDS. GFS MOS WINDS LOOK TOO STRONG AT MOST
LOCATIONS AND PREFER THE NOT AS WINDY NAM MOS. HAVE ISSUED A HIGH
WIND WATCH FOR MOST OF OUR WYOMING COUNTIES IN THE AFTERNOON. A WIND
ADVISORY LOOKS LIKELY IN THE AFTERNOON FOR WESTERN NEBRASKA.
ISOLATED TO SCATTERED SHOWERS POSSIBLE WEST OF THE LARAMIE RANGE
WITH NOTHING EXPECTED EAST OF THE LARAMIE RANGE DUE TO STRONG
DOWNSLOPING.

MONDAY NIGHT...DRYING OUT AS LOW AND MID LEVELS DRY. WINDS WILL
SUBSIDE IN THE EVENING WITH WEAKENING GRADIENTS.

TUESDAY...EXPECT A DRY AND QUIESCENT DAY WITH WEST SOUTHWEST FLOW
ALOFT AND RETURN SOUTHERLY WINDS. WARMING TREND ENSUES WITH MAXIMUM
TEMPERATURES IN THE 60S AND 70S WITH 1000-500 MB THICKNESSES NEAR
5690 METERS.

.LONG TERM...WEDNESDAY NIGHT THROUGH SUNDAY...
MEDIUM RANGE DETERMINISTIC MODELS ARE IN GOOD AGREEMENT ON THE
LATE WEEK AND NEXT WEEKEND PATTERN EVOLUTION...WHICH WILL YIELD
DRY AND ABOVE AVERAGE TEMPERATURES. GENERAL SOUTHWEST FLOW WILL
PREVAIL ACROSS THE INTERMOUNTAIN WEST AS ONE WEST COAST LOW
PRESSURE SYSTEM EJECTS INTO THE CANADIAN FRONT RANGE AND IS
REPLACED BY ANOTHER LATE NEXT WEEKEND. THE INITIAL UPPER LOW WILL
LIFT NORTHEAST INTO WRN MONTANA LATE THURSDAY. RUN-TO-RUN
COMPARISONS OF THE GFS AND ECMWF SUGGEST A FASTER AND FURTHER EAST
TREND TO THIS INITIAL UPPER LOW. IN EITHER CASE...EXPECT
CONDITIONS TO REMAIN DRY AND TEMPERATURES TO BE WARM THRU THE END
OF THE WEEK. THE SECOND UPPER LOW WILL DROP INTO THE SW CONUS BY
THE END OF THE WEEKEND FURTHER AMPLIFYING THE SW FLOW ACROSS THE
INTERMOUNTAIN WEST. KEPT THE FORECAST DRY FOR NOW AS THE BEST
STORM TRACK WILL REMAIN WEST OF THE CWA. AS FOR TEMPERATURES...
THURSDAY WILL BE THE WARMEST DAY OF THE PERIOD WITH 700MB
TEMPERATURES CLIMBING TO 12 TO 15C...WHICH WILL YIELD MID TO UPPER
80S EAST OF THE LARAMIE RANGE AND MID 70S WEST. ALTHOUGH
TEMPERATURES WILL STILL BE ABOVE NORMAL...A WEAK DRY PACIFIC
FRONTAL PASSAGE WILL COOL TEMPERATURES A FEW DEGREES FOR FRIDAY
THRU SUNDAY.

&&

.AVIATION...12Z TAF ISSUANCE...
MOIST EASTERLY UPSLOPE FLOW WILL RESULT IN POOR AVIATION CONDITIONS
AT TERMINALS EAST OF THE LARAMIE RANGE THIS MORNING. THIS THICK LOW
CLOUD DECK WILL YIELD LIFR/IFR CONDITIONS AT AIRPORTS EAST OF THE
LARAMIE RANGE THRU THE MORNING. ADDITIONALLY...THE MOUNTAINS WILL BE
OBSCURED ACROSS SOUTHEAST WYOMING TODAY. SOME IMPROVEMENT IN
CONDITIONS CAN BE EXPECTED...WITH PERHAPS MVFR OR EVEN SOME VFR CIGS
BY AFTERNOON. AREAS OF DRIZZLE THIS MORNING WILL GIVE WAY TO SHOWER
AND ISOLATED THUNDER ACTIVITY THIS AFTERNOON. LOWER CIGS/VSBYS WILL
RETURN TONIGHT.

&&

.FIRE WEATHER...NO FIRE WEATHER ISSUES DUE TO RECENT RAINS. A STRONG
PACIFIC ORIGIN COLD FRONT WILL SWEEP FROM WEST TO EAST ACROSS THE
DISTRICT ON MEMORIAL DAY WITH STRONG WEST WINDS ESPECIALLY ACROSS
WYOMING IN THE AFTERNOON.

&&

.HYDROLOGY...WATER LEVELS IN STREAMS AND RIVERS OVER THE WESTERN
NEBRASKA PANHANDLE WILL REMAIN NEARLY STEADY THROUGH THE WEEKEND.
THE FLOOD WARNING REMAINS IN EFFECT FOR THE NORTH PLATTE FROM HENRY
TO MITCHELL. THE NEXT STORM SYSTEM WILL BRING MORE PRECIPITATION TO
THE REGION THROUGH MEMORIAL DAY. EXPECT UP TO ONE QUARTER INCH OF
RAINFALL WITH LOCALLY HIGHER AMOUNTS...ESPECIALLY IN THE HIGHER
TERRAIN AND AREAS EAST OF THE LARAMIE RANGE. WARMER TEMPERATURES
TUESDAY THROUGH FRIDAY WILL LEAD TO ACCELERATED SNOW MELT AND RUNOFF
WHICH WILL EXACERBATE THE FLOOD POTENTIAL. AS A RESULT...ADDITIONAL
FLOOD WATCHES AND WARNINGS MAY BE REQUIRED FOR THE RIVERS AND
STREAMS FLOWING FROM THE SIERRA MADRE AND SNOWY RANGES AT THAT TIME.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...DENSE FOG ADVISORY UNTIL 6 PM SUNDAY FOR WYZ116-WYZ117.
     HIGH WIND WATCH FROM NOON MONDAY TO 6 PM MONDAY FOR WYZ101-
     WYZ102-WYZ103-WYZ104-WYZ105-WYZ106-WYZ107-WYZ108-WYZ109-
     WYZ110-WYZ113-WYZ115-WYZ116-WYZ117-WYZ118-WYZ119.
     DENSE FOG ADVISORY UNTIL 9 AM SUNDAY FOR WYZ118.
     FLOOD WATCH UNTIL 9 AM MONDAY FOR WYZ111-WYZ113.
NE...NONE.

&&

SHORT TERM/FIRE WEATHER/HYDROLOGY...RUBIN
LONG TERM/AVIATION...HAHN
Hazardous weather outlook, May 28, 8:18 PM MDT, 8 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
818 PM MDT SAT MAY 28 2011

WYZ101>119-291130-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
818 PM MDT SAT MAY 28 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING...
SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING.

.DAY ONE...TONIGHT

A FEW ISOLATED THUNDERSTORMS WILL BE POSSIBLE TONIGHT MAINLY IN AREA
EXTENDING EAST FROM RAWLINS TO WHEATLAND. AREAS OF FOG WILL ALSO BE
POSSIBLE TONIGHT. THE VISIBILITY MAY BE REDUCED TO LESS THAN ONE
HALF AT TIMES...ESPECIALLY ALONG AND EAST OF THE LARAMIE RANGE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A FEW AFTERNOON AND EARLY EVENING THUNDERSTORMS ARE POSSIBLE ON
SUNDAY FOR AREAS THAT CAN CLEAR OUT MAINLY ALONG AND WEST OF
LARAMIE. HOWEVER...THESE STORMS ARE NOT EXPECTED TO BE STRONG OR
SEVERE.  MORE THUNDERSTORMS ARE EXPECTED TO MOVE THROUGH AREAS
MAINLY ALONG AND EAST OF CHEYENNE TO LUSK LINE ON SUNDAY NIGHT. A
FEW STRONG STORMS CANNOT BE RULED OUT DURING THIS TIMEFRAME.

GUSTY WEST WINDS AT 30 TO 45 MPH WITH GUSTS OF 55 TO 60MPH MAY
DEVELOP AFTER A FRONT PASSES THROUGH THE AREA ON MONDAY. STAY TUNED
TO FURTHER OUTLOOKS.

MUCH ABOVE TEMPERATURES LOOK INCREASINGLY LIKELY FOR THE MIDDLE OF
NEXT WEEK AND BEYOND. THIS WILL ACCELERATE MOUNTAIN SNOW MELT AND
WILL HEIGHTEN FLOODING CONCERNS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

NEZ002-003-019>021-054-055-095-096-291130-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
820 PM MDT SAT MAY 28 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA
PANHANDLE.

.DAY ONE...TONIGHT

AREAS OF FOG MAY DEVELOP IN THE PANHANDLE REGION MAINLY AFTER
MIDNIGHT. THE VISIBILITY MAY DROP TO LESS THAN ONE MILE AT TIMES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS GOOD CHANCE OF THUNDERSTORMS MAINLY SUNDAY NIGHT ACROSS THE
NEBRASKA PANHANDLE. A FEW OF THESE STORMS MAY BECOME STRONG AND
PRODUCE SMALL HAIL.

GUSTY WEST WINDS AT 25 TO 35 MPH WITH GUSTS TO 50MPH MAY DEVELOP
AFTER A FRONT PASSES THROUGH THE AREA ON MONDAY. STAY TUNED TO
FURTHER OUTLOOKS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

COX

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 8:53 PM MDTFlood WatchCYSCarbon33 hr
May 28, 10:07 PM MDTDense Fog AdvisoryCYSAlbany, Laramie15 hr
May 29, 4:48 PM MDTDense Fog AdvisoryCYSAlbany, Converse, Goshen, Laramie, Niobrara, Platte16 hr

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.