Wind Advisory 19, NWS Flagstaff, AZ

000 
WWUS75 KFGZ 192152
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
252 PM MST WED SEP 19 2007

AZZ004-006>008-200300-
/O.CON.KFGZ.WI.Y.0019.000000T0000Z-070920T0300Z/
KAIBAB PLATEAU-GRAND CANYON COUNTRY-COCONINO PLATEAU-
YAVAPAI COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...JACOB LAKE...FREDONIA...
GRAND CANYON VILLAGE...SUPAI...NORTH RIM...VALLE...PRESCOTT...
SELIGMAN...ASH FORK
252 PM MST WED SEP 19 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. 

THE WIND WILL CONTINUE TO SLOWLY INCREASE THIS AFTERNOON ACROSS
NORTHWEST COCONINO COUNTY AND NORTHWEST YAVAPAI COUNTY MOUNTAINS
NORTHWEST OF PRESCOTT. WIND GUSTS SO FAR THIS AFTERNOON HAVE
RANGED FROM 35 TO 40 MPH. AS THE WEATHER SYSTEM MOVES CLOSER TO
THE AREA LATE THIS AFTERNOON AND EARLY EVENING...SOUTHWEST WINDS
ARE ANTICIPATED TO INCREASE TO 15 TO 30 MPH WITH GUSTS FROM 35 TO
45 MPH. WINDS WILL BEGIN TO DECREASE BY SUNSET TO AROUND 10 TO 20
MPH WITH GUSTS NEAR 30 MPH.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY.

$$

000 
WWUS75 KFGZ 200214
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
714 PM MST WED SEP 19 2007

AZZ004-006>008-200315-
/O.CAN.KFGZ.WI.Y.0019.000000T0000Z-070920T0300Z/
KAIBAB PLATEAU-GRAND CANYON COUNTRY-COCONINO PLATEAU-
YAVAPAI COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...JACOB LAKE...FREDONIA...
GRAND CANYON VILLAGE...SUPAI...NORTH RIM...VALLE...PRESCOTT...
SELIGMAN...ASH FORK
714 PM MST WED SEP 19 2007

...WIND ADVISORY IS CANCELLED...

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

SOUTHWEST WINDS HAVE DECREASED IN INTENSITY THIS EVENING...AND
WIND SPEEDS NEAR ADVISORY LEVELS ARE NO LONGER ANTICIPATED FOR THE
REST OF THE NIGHT. BREEZY CONDITIONS WILL STILL BE IN PLACE FOR
THE NEXT SEVERAL HOURS...HOWEVER...WITH SUSTAINED WINDS NEAR 10 TO
20 MPH AND GUSTS TO NEAR 30 MPH.

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
300 AM WED SEP 19 2007

.SYNOPSIS...EXPECT SOUTHWEST WINDS TO INCREASE TODAY...ESPECIALLY
WEST OF FLAGSTAFF...AS A STRONG LOW PRESSURE SYSTEM GRADUALLY MOVES
TOWARD ARIZONA. WINDY CONDITIONS WILL CONTINUE THROUGH THE WEEKEND.
CHANCES FOR PRECIPITATION WILL INCREASE FRIDAY AND SATURDAY AS THE
SYSTEM MOVES INTO ARIZONA.

&&

.DISCUSSION...COOL TEMPS NOTED IN NRN AZ EARLY THIS MORNING...BUT
OVERALL ARE SLIGHTLY WARMER BY A FEW DEGREES THAN THIS TIME
YESTERDAY.

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO MOVE
SOUTHWARD ALONG THE WEST COAST TODAY THROUGH THE WEEKEND. THE MAIN
IMPACT FROM THIS SYSTEM TODAY THROUGH FRIDAY WILL BE WINDS. EXPECT
AFTERNOON WINDS TO APPROACH...BUT GENERALLY REMAIN BELOW...WIND
ADVISORY THRESHOLDS EACH DAY WITH GUSTS TO NEAR 40 MPH.

MOISTURE WILL INCREASE WITH THE SOUTHWEST WINDS WHICH WILL RESULT IN
WARMER OVERNIGHT TEMPS. AS WELL...AFTERNOON TEMPS WILL WARM A FEW
DEGREES TODAY AND HOLD STEADY THROUGH FRIDAY.

BY LATE FRIDAY...THE LOW PRESSURE SYSTEM WILL BEGIN TO MOVE TOWARDS
THE EAST AND PASS OVER AZ AND THE SRN GREAT BASIN. CHANCES FOR PCPN
WILL INCREASE SUBSTANTIALLY OVER THE WEEKEND. BEST CHANCES FOR
MEASURABLE PCPN WILL BE LATE FRIDAY THROUGH EARLY SUNDAY MORNING.

AS THE UPPER LOW PASSES ACROSS THE STATE ON SATURDAY...EXPECT
INCREASING DYNAMICS AND LARGE-SCALE VERTICAL MOTION AS SHOWN BY DIVQ
FIELDS. IN ADDITION...DEEP LAYER 0-6 KM SHEAR WILL INCREASE ALONG
WITH LOW LEVEL 1-3 KM HELICITY. CAPE WILL BE MARGINAL BUT
NONETHELESS EXPECT SOME ORGANIZATION OF CONVECTIVE STORMS ON
SATURDAY WITH THE POSSIBILITY OF SOME BECOMING MARGINALLY SEVERE.

THE UPPER LOW MOVES EASTWARD SATURDAY NIGHT AND EARLY SUNDAY AND
CHANCES OF PCPN DIMINISH QUICKLY DURING THIS PERIOD. TEMPS WILL BE
SUBSTANTIALLY COOLER WITH THIS SYSTEM. EXPECT TEMPS ON SATURDAY TO
BE ABOUT 6-10 DEGREES COOLER THAN FRIDAYS READINGS...WITH A GRADUAL
WARMING TREND COMMENCING ON SUNDAY. AFTERNOON TEMPS EXPECTED TO
REMAIN JUST A BIT COOLER THAN SEASONABLE FOR THE REMAINDER OF THE
WEEK.  DB

&&

.AVIATION...FOR THE 12Z PACKAGE...EXPECT WINDY CONDITIONS AFT 17Z
WITH SOUTH SOUTHWEST SFC WIND GUSTS FROM 25 TO 35 KTS. FASTEST
SUSTAINED WINDS AND GUSTS NORTH OF A LINE FROM THE FOUR CORNERS TO
PAYSON. WINDS WILL DECREASE AFT 02Z THU. OTHERWISE EXPECT VFR
CONDITIONS THROUGH 12Z THU. AVIATION DISCUSSION NOT UPDATED FOR
AMENDMENTS.

&&

.FGZ WATCHES/WARNINGS/ADVISORIES...NONE.

&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
600 AM MST WED SEP 19 2007

AZZ004>018-037>040-200700-
WESTERN MOGOLLON RIM-GRAND CANYON COUNTRY-YAVAPAI COUNTY MOUNTAINS-
YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS-
MARBLE AND GLEN CANYONS-KAIBAB PLATEAU-COCONINO PLATEAU-
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
BLACK MESA AREA-LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY-
600 AM MST WED SEP 19 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN
GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA.

.DAY ONE...TODAY

A STRONG PACIFIC STORM SYSTEM WILL APPROACH THE SOUTHWEST RESULTING
IN BREEZY TO LOCALLY WINDY CONDITIONS ACROSS MUCH OF NORTHERN
ARIZONA TODAY. EXPECT SOUTHWEST WINDS INCREASING TO 15 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH BY THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

WINDS WILL CONTINUE TO BE BREEZY TO LOCALLY WINDY ON THURSDAY AND
FRIDAY. EXPECT SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH. BY
SATURDAY...THE STORM SYSTEM WILL MOVE ACROSS ARIZONA BRINGING AN
INCREASED CHANCE OF SHOWERS AND THUNDERSTORMS.