Wind Advisory 12, NWS Cheyenne, WY

410 
WWUS75 KCYS 162052
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
252 PM MDT WED JUN 16 2010

...VERY STRONG WINDS EXPECTED LATER TONIGHT AND THURSDAY...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS THE NORTHERN ROCKY
MOUNTAINS INTO THE NORTHERN PLAINS LATE TONIGHT AND THURSDAY. A
STRONG SURFACE PRESSURE GRADIENT ALONG WITH VERY STRONG WINDS JUST
OFF THE SURFACE WILL CAUSE VERY STRONG WINDS TO OCCUR LATE TONIGHT
INTO THURSDAY...ESPECIALLY OVER AND CLOSE TO THE LARAMIE RANGE AND
NORTH OF A RAWLINS TO SCOTTSBLUFF LINE.

WYZ104-109-171100-
/O.EXT.KCYS.HW.W.0008.100617T0900Z-100617T2200Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY-
INCLUDING THE CITIES OF...MUDDY GAP...RAWLINS...SINCLAIR...HANNA
252 PM MDT WED JUN 16 2010

...HIGH WIND WARNING NOW IN EFFECT FROM 3 AM TO 4 PM MDT
THURSDAY...

THE HIGH WIND WARNING IS NOW IN EFFECT FROM 3 AM TO 4 PM MDT
THURSDAY. 

* TIMING...WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND 
  CONTINUE ON THURSDAY. 

* WINDS...WEST WINDS OF 30 TO 45 MPH WITH GUSTS OF 50 TO 60 MPH.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY IN LIGHT OR 
  HIGH PROFILE VEHICLES...PARTICULARLY ON NORTH-SOUTH ORIENTED 
  ROADS. TREE LIMBS MAY ALSO BREAK DUE TO THE HIGHER RESISTANCE 
  CAUSED BY LEAVES. 

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.

&&

$$

WYZ101-103-105-110-113-114-171100-
/O.EXT.KCYS.HW.W.0008.100617T1100Z-100617T2200Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
SHIRLEY BASIN-NORTH SNOWY RANGE FOOTHILLS-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MEDICINE BOW...
ARLINGTON...ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...
CENTENNIAL...ALBANY...WOODS LANDING
252 PM MDT WED JUN 16 2010

...HIGH WIND WARNING NOW IN EFFECT FROM 5 AM TO 4 PM MDT
THURSDAY...

THE HIGH WIND WARNING IS NOW IN EFFECT FROM 5 AM TO 4 PM MDT
THURSDAY. 

* TIMING...WINDS WILL INCREASE SIGNIFICANTLY LATE TONIGHT AND 
  CONTINUE ON THURSDAY. 

* WINDS...WEST WINDS OF 30 TO 45 MPH WITH GUSTS OF 50 TO 65 MPH.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY IN LIGHT OR 
  HIGH PROFILE VEHICLES...PARTICULARLY ON NORTH-SOUTH ORIENTED 
  ROADS. TREE LIMBS MAY ALSO BREAK DUE TO THE HIGHER RESISTANCE 
  CAUSED BY LEAVES. 

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.

&&

$$

NEZ002-003-095-096-WYZ102-106>108-115>117-171100-
/O.EXT.KCYS.HW.W.0008.100617T1500Z-100617T2200Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
LUSK...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
252 PM MDT WED JUN 16 2010

...HIGH WIND WARNING NOW IN EFFECT FROM 9 AM TO 4 PM MDT
THURSDAY...

THE HIGH WIND WARNING IS NOW IN EFFECT FROM 9 AM TO 4 PM MDT
THURSDAY. 

* TIMING...WINDS WILL INCREASE SIGNIFICANTLY THURSDAY MORNING 
  AND CONTINUE THROUGH THE AFTERNOON. 

* WINDS...WEST WINDS OF 30 TO 45 MPH WITH GUSTS OF 50 TO 60 MPH.

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY IN LIGHT OR 
  HIGH PROFILE VEHICLES...PARTICULARLY ON NORTH-SOUTH ORIENTED 
  ROADS. TREE LIMBS MAY ALSO BREAK DUE TO THE HIGHER RESISTANCE 
  CAUSED BY LEAVES. 

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.

&&

$$

NEZ019>021-054-055-171100-
/O.EXT.KCYS.WI.Y.0012.100617T1500Z-100617T2200Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY
252 PM MDT WED JUN 16 2010

...WIND ADVISORY NOW IN EFFECT FROM 9 AM TO 4 PM MDT THURSDAY...

THE WIND ADVISORY IS NOW IN EFFECT FROM 9 AM TO 4 PM MDT
THURSDAY. 

* TIMING...WINDS WILL INCREASE FROM MID MORNING THURSDAY AND
  CONTINUE THROUGH EARLY AFTERNOON.

* WINDS...WEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 45 MPH.

* IMPACTS...GUSTY WINDS WILL PRODUCE AREAS OF BLOWING DUST AND 
  MAKE DRIVING MORE DIFFICULT...ESPECIALLY ON NORTH TO SOUTH 
  ORIENTED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

662 
WWUS75 KCYS 171056
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
456 AM MDT THU JUN 17 2010

...VERY STRONG WINDS EXPECTED TODAY...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS THE NORTHERN ROCKY
MOUNTAINS INTO THE NORTHERN PLAINS TODAY. A STRONG SURFACE PRESSURE
GRADIENT ALONG WITH VERY STRONG WINDS JUST OFF THE SURFACE WILL
CAUSE VERY STRONG WINDS TO OCCUR TODAY...ESPECIALLY OVER AND CLOSE TO
THE LARAMIE RANGE AND NORTH OF A RAWLINS TO SCOTTSBLUFF LINE.

WYZ101-103-105-110-113-114-172200-
/O.CON.KCYS.HW.W.0008.100617T1100Z-100617T2200Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
SHIRLEY BASIN-NORTH SNOWY RANGE FOOTHILLS-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MEDICINE BOW...
ARLINGTON...ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...
CENTENNIAL...ALBANY...WOODS LANDING
456 AM MDT THU JUN 17 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MDT THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MDT THIS
AFTERNOON. 

* TIMING...STRONG WINDS WILL OCCUR ACROSS THE AREA FROM THIS
  MORNING UNTIL MID AFTERNOON.

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

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY IN LIGHT OR 
  HIGH PROFILE VEHICLES...PARTICULARLY ON NORTH-SOUTH ORIENTED 
  ROADS. TREE LIMBS MAY ALSO BREAK DUE TO THE HIGHER RESISTANCE 
  CAUSED BY LEAVES. 

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.

&&

$$

WYZ104-109-172200-
/O.CON.KCYS.HW.W.0008.000000T0000Z-100617T2200Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY-
INCLUDING THE CITIES OF...MUDDY GAP...RAWLINS...SINCLAIR...HANNA
456 AM MDT THU JUN 17 2010

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MDT THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MDT THIS
AFTERNOON. 

* TIMING...STRONG WINDS WILL CONTINUE ACROSS THE AREA FROM THIS
  MORNING UNTIL MID AFTERNOON.

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

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY IN LIGHT OR 
  HIGH PROFILE VEHICLES...PARTICULARLY ON NORTH-SOUTH ORIENTED 
  ROADS. TREE LIMBS MAY ALSO BREAK DUE TO THE HIGHER RESISTANCE 
  CAUSED BY LEAVES. 

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.

&&

$$

NEZ002-003-095-096-WYZ102-106>108-115>117-172200-
/O.CON.KCYS.HW.W.0008.100617T1500Z-100617T2200Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
LUSK...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
TORRINGTON...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
456 AM MDT THU JUN 17 2010

...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
4 PM MDT THIS AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
4 PM MDT THIS AFTERNOON. 

* TIMING...WINDS WILL INCREASE SIGNIFICANTLY BY MID MORNING TODAY
  AND WILL CONTINUE THROUGH MID AFTERNOON.

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

* IMPACTS...TRAVEL WILL BECOME HAZARDOUS ESPECIALLY IN LIGHT OR 
  HIGH PROFILE VEHICLES...PARTICULARLY ON NORTH-SOUTH ORIENTED 
  ROADS. TREE LIMBS MAY ALSO BREAK DUE TO THE HIGHER RESISTANCE 
  CAUSED BY LEAVES. 

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.

&&

$$

NEZ019>021-054-055-172200-
/O.CON.KCYS.WI.Y.0012.100617T1500Z-100617T2200Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY
456 AM MDT THU JUN 17 2010

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 4 PM
MDT THIS AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 4 PM
MDT THIS AFTERNOON. 

* TIMING...WINDS WILL INCREASE FROM MID MORNING TODAY AND CONTINUE
  THROUGH MID AFTERNOON.

* WINDS...WEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 45 MPH.

* IMPACTS...GUSTY WINDS WILL PRODUCE AREAS OF BLOWING DUST AND 
  MAKE DRIVING MORE DIFFICULT...ESPECIALLY ON NORTH TO SOUTH 
  ORIENTED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

097 
WWUS75 KCYS 171947
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
147 PM MDT THU JUN 17 2010

...HIGH WIND WARNING CANCELLED FOR SOUTHEAST WYOMING AND 
NEBRASKA PANHANDLE...

.PRESSURE GRADIENT SLOWLY RELAXING ACROSS THE AREA THIS AFTERNOON
WITH AREA OBSERVATIONS SHOWING A DEFINITE DECREASE IN REPORTED
WINDS SPEEDS. HAVE GONE AHEAD AND CANCELLED THE HIGH WIND WARNING
FOR ALL LOCATIONS. WIND ADVISORY STILL IN EFFECT FOR THE NEBRASKA
PANHANDLE THROUGH 5 PM THIS EVENING.

NEZ002-003-095-096-172300-
/O.CAN.KCYS.HW.W.0008.000000T0000Z-100617T2200Z/
/O.EXB.KCYS.WI.Y.0012.000000T0000Z-100617T2300Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE
147 PM MDT THU JUN 17 2010

...WIND ADVISORY IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

* TIMING...WINDS WILL CONTINUE TO SLOWLY DECREASE THROUGH THE
  AFTERNOON AND BY LATE AFTERNOON...WINDS ARE EXPECTED TO BE BELOW
  ADVISORY CRITERIA.

* WINDS...WEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 45 MPH.

* IMPACTS...GUSTY WINDS WILL PRODUCE AREAS OF BLOWING DUST AND
  MAKE DRIVING MORE DIFFICULT...ESPECIALLY ON NORTH TO SOUTH
  ORIENTED ROADS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

WYZ101>110-113>117-172100-
/O.CAN.KCYS.HW.W.0008.000000T0000Z-100617T2200Z/
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-
SNOWY RANGE-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
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...CENTENNIAL...
ALBANY...WOODS LANDING...LARAMIE...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER
147 PM MDT THU JUN 17 2010

...HIGH WIND WARNING IS CANCELLED...

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

WIND SPEEDS HAVE DECREASED BELOW CRITICAL HIGH WIND VALUES EARLY
THIS AFTERNOON. WINDS WILL REMAIN STRONG WITH SUSTAINED WINDS OF
25 TO 30 MPH WITH GUSTS TO 50 MPH THROUGH MID AFTERNOON. BY LATE
AFTERNOON...WINDS ARE EXPECTED TO SUBSIDE EVEN FURTHER.

$$

NEZ020-054-055-172100-
/O.CAN.KCYS.WI.Y.0012.000000T0000Z-100617T2200Z/
BANNER-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...HARRISBURG...KIMBALL...SIDNEY
147 PM MDT THU JUN 17 2010

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
ADVISORY. 

WIND SPEEDS HAVE DECREASED BELOW CRITICAL HIGH WIND VALUES EARLY
THIS AFTERNOON. THUS THE WIND ADVISORY HAS BEEN CANCELLED.

$$

NEZ019-021-172300-
/O.EXT.KCYS.WI.Y.0012.000000T0000Z-100617T2300Z/
SCOTTS BLUFF-MORRILL-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...BRIDGEPORT...
BAYARD
147 PM MDT THU JUN 17 2010

...WIND ADVISORY NOW IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON.

* TIMING...WINDS WILL CONTINUE TO SLOWLY DECREASE THROUGH THE
  AFTERNOON AND BY LATE AFTERNOON...WINDS ARE EXPECTED TO BE BELOW
  ADVISORY CRITERIA.

* WINDS...WEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 45 MPH.

* IMPACTS...GUSTY WINDS WILL PRODUCE AREAS OF BLOWING DUST AND 
  MAKE DRIVING MORE DIFFICULT...ESPECIALLY ON NORTH TO SOUTH 
  ORIENTED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

931 
WWUS75 KCYS 172258
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
458 PM MDT THU JUN 17 2010

NEZ002-003-019-021-095-096-180000-
/O.EXP.KCYS.WI.Y.0012.000000T0000Z-100617T2300Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-MORRILL-NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...BRIDGEPORT...BAYARD...HARRISON...AGATE
458 PM MDT THU JUN 17 2010

...WIND ADVISORY WILL EXPIRE AT 5 PM MDT THIS AFTERNOON...

THE WIND ADVISORY WILL EXPIRE AT 5 PM MDT THIS AFTERNOON. 

WINDS CONTINUE TO WEAKEN ACROSS THE NORTHERN NEBRASKA PANHANDLE
LATE THIS AFTERNOON...THEREFORE THE WIND ADVISORY WILL BE ALLOWED
TO EXPIRE AT 5 PM.

$$

HAHN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
302 AM MDT WED JUN 16 2010

.SHORT TERM...TODAY THROUGH THURSDAY NIGHT.

TODAY...TEMPERATURE AND DEWPOINT SPREADS ARE DOWN TO ZERO AT
ALLIANCE...THUS MAY SEE AREAS OF FOG THROUGH EARLY MORNING ACROSS
BOX BUTTE AND MORRILL COUNTIES OF WESTERN NEBRASKA.

APPROACH OF NEXT NEGATIVELY TILTED SHORTWAVE TROUGH WILL HELP STRONG
SOUTH WINDS ADVECT DECENT LOW LEVEL MOISTURE NORTHWARD ACROSS OUR
EASTERN COUNTIES. ISOLATED TO SCATTERED AFTERNOON THUNDERSTORMS MAY
DEVELOP THIS AFTERNOON EAST OF THE LARAMIE RANGE...THOUGH EXPECT
THUNDERSTORMS TO BE DELAYED BY MID LEVEL CAPPING INVERSION AND
CONVECTIVE INHIBITION.

TONIGHT...SHARP SURFACE TROUGH FORMS FROM NORTHEAST WYOMING
SOUTHWARD ACROSS FAR EASTERN WYOMING...WHICH WILL SERVE AS A
FOCUSING BOUNDARY FOR ISOLATED TO SCATTERED EVENING THUNDERSTORMS
ALONG AND TO ITS EAST. BASED ON FORECAST SHEAR AND BUOYANCY
PARAMETERS AND STORM PREDICTION CENTER DAY ONE OUTLOOK...A FEW
STORMS MAY BECOME SEVERE THIS EVENING THROUGH AROUND 3 AM ACROSS OUR
FAR EASTERN WYOMING COUNTIES AND ACROSS THE NORTHERN HALF OF OUR
WESTERN NEBRASKA PANHANDLE COUNTIES.

STRONG NEGATIVELY TILTED SHORTWAVE TROUGH THEN MOVES RAPIDLY ACROSS
NORTHERN WYOMING AFTER MIDNIGHT...WITH SURFACE THROUGH 700 MB
GRADIENTS MARKEDLY STRENGTHENING IN THE WAKE OF A STRONG PACIFIC
ORIGIN COLD FRONTAL PASSAGE. TIGHT SURFACE THROUGH 700 MB GRADIENTS
AFTER MIDNIGHT WITH A 50 PLUS KNOT 700 MB JETLET STREAKING ACROSS
OUR NORTHERN COUNTIES AFTER MIDNIGHT. WITH MODERATE TO HIGH
CONFIDENCE IN MODEL SOLUTIONS...HAVE DECIDED TO ISSUE A HIGH WIND
WARNING FOR NORTHERN CARBON COUNTY BEGINNING AT 300 AM...AND FOR
CONVERSE COUNTY...NORTHERN LARAMIE RANGE...ARLINGTON AND THE SNOWY
RANGE STARTING AT 500 AM.

THURSDAY...STRONG SURFACE THROUGH 500 MB GRADIENTS
CONTINUE...ESPECIALLY THROUGH MIDDAY...ALONG WITH IMPRESSIVE
DOWNWARD MOTION NOTED ON 500-300 MB AND 700-500 MB QUASIGEOSTROPHIC
FORCING PROGS...THUS HIGH WINDS LOOK LIKELY ACROSS MOST OF SOUTHEAST
WYOMING AND THE NORTHERN HALF OF THE NEBRASKA PANHANDLE...WITH WIND
ADVISORY CRITERIA WINDS ACROSS THE SOUTHERN PANHANDLE. 50-60 KNOT
700 MB JETLET WILL BE STREAKING ACROSS OUR NORTHERN COUNTIES AT
MIDDAY AND WITH DOWNWARD MOTION IN THE WAKE OF THE SHORTWAVE TROUGH
ALOFT...BELIEVE STRONG WINDS WILL HAVE NO TROUBLE BEING TRANSPORTED
TO THE SURFACE NORTH OF A RAWLINS TO SCOTTSBLUFF LINE.

THURSDAY NIGHT...WINDS DECREASING QUICKLY IN THE EVENING WITH
DECOUPLING AND AS THE LOW LEVEL GRADIENTS OF THE ATMOSPHERE RELAX.

.LONG TERM...FRIDAY THROUGH TUESDAY
MODELS WERE ALL SIMILAR IN THE LONG TERM PERIOD.  SW FLOW WILL BE
ALOFT OVER THE AREA ON FRI WITH AN UPPER TROUGH ALONG THE W COAST.
WARM AND DRY CONDITIONS WILL OCCUR ACROSS THE CWA.  THE SW FLOW WILL
CONTINUE ALOFT THROUGH THE EXTENDED PERIOD.  A WEAK UPPER RIDGE WILL
BUILD OVER THE NORTHERN AND CENTRAL PLAINS FRI NIGHT AND SAT AND THE
WEST COAST UPPER TROUGH WILL MOVE INLAND.  A COLD FRONT WILL MOVE
ACROSS THE FORECAST AREA FRI NIGHT/SAT MORNING AND TEMPS WILL BE A
FEW DEGREES COOLER SAT WITH ISOLATED AFTERNOON AND EVENING
THUNDERSTORMS EAST OF THE LARAMIE RANGE.  WARMER TEMPERATURES WILL
OCCUR SUN AS THE UPPER RIDGE SHIFTS OVER THE CENTRAL U.S. AND CONTS
TO BUILD.  THE UPPER TROUGH WILL MOVE FURTHER INLAND THROUGH SUN.
ISOLATED THUNDERSTORMS WILL OCCUR ONCE AGAIN SUN AFT AND
EVENING...MAINLY EAST OF THE LAR RANGE.  THE UPPER TROUGH WILL
REMAIN TO THE WEST AND THE UPPER RIDGE TO THE EAST THROUGH TUES.
WARM CONDITIONS WILL OCCUR MON AND TUES WITH DIURNAL...AIRMASS TYPE
ISOLATED THUNDERSTORMS.  HIGH TEMPERATURES WILL BE AROUND 5 DEGREES
ABOVE NORMAL ON FRI...A FEW DEGREES ABOVE NORMAL FOR SAT AND
SUN...AND FROM 5 TO 8 DEGREES ABOVE NORMAL FOR MON AND TUES.

&&

.AVIATION...PATCHY FOG THIS MORNING ACROSS WESTERN NEBRASKA THROUGH
MID MORNING PRODUCING MVFR...OTHERWISE VFR THIS MORNING. ISOLATED TO
SCATTERED THUNDERSTORMS THIS AFTERNOON PRODUCING LOCALIZED MVFR AND
AREAS OF TURBULENCE...OTHERWISE VFR. SCATTERED THUNDERSTORMS THIS
EVENING AND LATE TONIGHT ACROSS FAR EASTERN WYOMING AND WESTERN
NEBRASKA...PRODUCING MVFR AND TURBULENCE. A FEW STORMS MAY BECOME
SEVERE...PRODUCING EXTREME TURBULENCE...LARGE HAIL AND DAMAGING
WINDS. STRONG COLD FRONTAL PASSAGE FROM WEST TO EAST LATE TONIGHT
WITH WINDS SHIFTING TO THE WEST AND INCREASING MARKEDLY. STRONG
WINDS CONTINUING ON THURSDAY WITH WIDESPREAD MOUNTAIN WAVE
TURBULENCE AND VFR CONDITIONS.

&&

.FIRE WEATHER...NO MAJOR FIRE WEATHER CONCERNS THROUGH THURSDAY
NIGHT WITH MOIST FUELS...THOUGH STRONG WEST WINDS AND VERY LOW
HUMIDITIES ON THURSDAY WILL INCREASE THE FIRE DANGER.

&&

.HYDROLOGY...NUMEROUS FLOOD WARNINGS/STATEMENTS WILL CONTINUE AS
CONTINUED SNOW MELT AND RELEASES FROM AREA RESERVOIRS WILL CONTINUE
TO PRODUCE HIGH/FLOOD STAGES ALONG AREAS RIVERS...ESPECIALLY THE
NORTH PLATTE...LARAMIE AND MEDICINE BOW RIVERS ALONG WITH NEARBY
TRIBUTARIES. ONLY SLOW IMPROVEMENT EXPECTED FOR THE REST OF THE
WEEK. IT APPEARS ANY PRECIPITATION FROM WEDNESDAY CONVECTION SHOULD BE LIGHT
ENOUGH OVER THESE AREAS TO HAVE LITTLE EFFECT.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...HIGH WIND WARNING FROM 3 AM THURSDAY TO 6 PM THURSDAY FOR WYZ104-
     WYZ109.
     HIGH WIND WARNING FROM 5 AM THURSDAY TO 6 PM THURSDAY FOR WYZ101-
     WYZ103-WYZ105-WYZ110-WYZ113-WYZ114.
     HIGH WIND WARNING FROM 9 AM THURSDAY TO 6 PM THURSDAY FOR WYZ102-
     WYZ106-WYZ107-WYZ108-WYZ115-WYZ116-WYZ117.
NE...HIGH WIND WARNING FROM 9 AM THURSDAY TO 6 PM THURSDAY FOR NEZ002-
     NEZ003-NEZ095-NEZ096.
     WIND ADVISORY FROM 9 AM THURSDAY TO 6 PM THURSDAY FOR NEZ019-
     NEZ020-NEZ021-NEZ054-NEZ055.

&&

SHORT TERM/AVIATION/FIRE WEATHER/HYDROLOGY...RUBIN
LONG TERM...KMD

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
828 PM MDT TUE JUN 15 2010

NEZ002-003-019>021-054-055-095-096-WYZ102-104-105-107>109-111>115-
118-119-170230-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-EAST PLATTE COUNTY-
GOSHEN COUNTY-CENTRAL CARBON COUNTY-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
828 PM MDT TUE JUN 15 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA
PANHANDLE...EAST CENTRAL WYOMING...SOUTH CENTRAL WYOMING AND
SOUTHEAST WYOMING.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY LATE
WEDNESDAY AFTERNOON THEN MOVE EASTWARD THROUGH WEDNESDAY NIGHT. A
FEW STRONG OR SEVERE STORMS ARE POSSIBLE EAST OF THE MOUNTAINS.

STRONG WINDS SHOULD OCCUR MAINLY THURSDAY MORNING INTO THE
AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT.

&&

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

WYZ101-103-106-110-116-117-170230-
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
828 PM MDT TUE JUN 15 2010

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

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS SHOULD DEVELOP
WEDNESDAY AFTERNOON WITH A FEW STRONG STORMS POSSIBLE.

VERY STRONG WINDS WILL THEN BECOME POSSIBLE WEDNESDAY NIGHT INTO
THURSDAY AND A HIGH WIND WATCH IS IN EFFECT AS A RESULT OF THIS
POSSIBILITY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT.

&&

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