High Wind Watch 23, NWS Anchorage, AK

164 
WWAK71 PAFC 051233
NPWAER

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
433 AM AKDT MON SEP 5 2011

...SIGNIFICANT STORM TO IMPACT SOUTH CENTRAL ALASKA...

.A VERY STRONG EARLY-FALL LOW IS MOVING INTO THE SOUTHWEST GULF OF
ALASKA TODAY. STRONG WINDS WILL DEVELOP ACROSS MUCH OF THE REGION...WITH
WINDS EXPECTED TO REACH WARNING LEVEL THROUGH PORTAGE VALLEY AND
EASTERN TURNAGAIN ARM AS WELL AS IN THE CORDOVA AREA. 

AKZ135-061315-
/X.UPG.PAFC.HW.A.0023.110906T0300Z-110906T1800Z/
/X.EXB.PAFC.HW.W.0029.110905T2100Z-110906T1800Z/
SOUTHEAST PRINCE WILLIAM SOUND-
INCLUDING THE CITY OF...CORDOVA
433 AM AKDT MON SEP 5 2011

...HIGH WIND WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM
AKDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 AM
AKDT TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* LOCATION...SOUTHEAST PRINCE WILLIAM SOUND INCLUDING CORDOVA

* WIND...EAST TO SOUTHEAST 60 MPH WITH GUSTS TO 75 MPH

* TIMING...1 PM MONDAY AFTERNOON TO 10 AM TUESDAY MORNING

* IMPACTS...HIGH WINDS AND HEAVY RAINFALL WILL CREATE DANGEROUS
  DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD
BE BLOWN AROUND OR DAMAGED BY THE WIND.

&&

$$

AKZ125-061315-
/X.CON.PAFC.HW.W.0029.110905T1800Z-110906T1800Z/
WESTERN PRINCE WILLIAM SOUND-
INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD...
MOOSE PASS
433 AM AKDT MON SEP 5 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 AM AKDT TUESDAY THROUGH PORTAGE VALLEY AND TURNAGAIN ARM...

* LOCATION...PORTAGE VALLEY AND TURNAGAIN ARM

* WIND...EAST 40 TO 60 MPH WITH GUSTS TO 75 MPH

* TIMING...10 AM MONDAY MORNING THROUGH 10 AM TUESDAY MORNING

* IMPACTS...HIGH WINDS AND VERY HEAVY RAINFALL WILL CREATE 
  DANGEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD
BE BLOWN AROUND OR DAMAGED BY THE WIND.

&&

$$

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
500 PM AKDT SUN SEP 4 2011

.ANALYSIS AND UPPER LEVELS...
AN UPPER LOW OVER THE SOUTHEASTERN BERING SEA CONTINUES TO STRENGTHEN
AS IT MOVES SOUTHEAST. A WEAK WEATHER FRONT ALONG THE CENTRAL GULF
COAST WILL DISSIPATE THIS EVENING. ANOTHER WEATHER FRONT OVER KODIAK
ISLAND AND THE SOUTHWESTERN GULF CONTINUES TO SWING TO THE NORTHEAST.
AREAS OF RAIN OVER SOUTHCENTRAL INTERIOR WILL DIMINISH THIS EVENING
BUT WILL PERSIST ALONG THE COAST. A DEVELOPING SURFACE LOW NEAR THE
EASTERN ALEUTIANS WILL BEGIN TO TURN EAST THIS EVENING.

.MODEL DISCUSSION...
MODELS ARE IN VERY GOOD AGREEMENT THROUGH TUESDAY NIGHT. THE LOW OVER
THE EASTERN ALEUTIANS WILL CURVE TO THE NORTHEAST AND STRENGTHEN TO
955 MB OVER THE SOUTHWESTERN GULF OF ALASKA MONDAY AFTERNOON THEN
WILL WEAKEN TO 971 MB AS IT MOVES NEAR KODIAK ISLAND TUESDAY
AFTERNOON. THE UPPER LOW OVER THE BERING WILL SYNC UP WITH THE
SURFACE LOW TONIGHT AND REMAIN ABOVE IT THROUGH TUESDAY.

.SHORT TERM FORECAST...
SOUTHCENTRAL ALASKA AND THE GULF...THE SERIES OF FRONTS MOVING TOWARD
THE CENTRAL GULF COAST WILL MAINTAIN AND STRENGTHEN THE SOUTHEAST
FLOW OVER THE GULF THROUGH TUESDAY. RAIN OVER PRINCE WILLIAM SOUND,
THE EASTERN AND SOUTHERN KENAI PENINSULA, WESTERN SUSITNA VALLEY AND
KODIAK ISLAND WILL CONTINUE THROUGH TUESDAY AFTERNOON. RAIN COULD BE
HEAVY AT TIMES OVER THE SOUND. STRONG SURFACE WINDS WILL MOVE INTO
THE GULF TONIGHT AND SPREAD INTO THE CENTRAL GULF COAST MONDAY THEN
WILL BEGIN TO DIMINISH TUESDAY. LOCAL STRONG WINDS WILL ALSO DEVELOP
THROUGH CHANNELED AREAS ALONG THE CHUGACH AND KENAI MOUNTAIN LATE
TONIGHT AND TUESDAY.

.SOUTHWEST ALASKA...THE EAST TO SOUTHEAST FLOW FROM THE GULF WILL
CONTINUE TO MOVE AREAS OF RAIN ACROSS THE THE ALEUTIAN RANGE AND INTO
EASTERN BRISTOL BAY THROUGH MONDAY NIGHT. SCATTERED SHOWERS OVER THE
THE KUSKOKWIM VALLEY AND KUSKOKWIM DELTA WILL DIMINISH TONIGHT AS
DRIER AIRMASS MOVES INTO THE AREA FROM THE CENTRAL INTERIOR.

.BERING SEA...NORTH TO NORTHWEST FLOW, SHOWERS AND  AREAS OF FOG WILL
REMAIN OVER THE CENTRAL AND EASTERN BERING THROUGH TUESDAY. WINDS
OVER THE WESTERN BERING WILL DIMINISH MONDAY AS A SURFACE RIDGE MOVES
INTO THE AREA.

.LONG TERM FORECAST...
THE UPPER LOW NEAR KODIAK ISLAND TUESDAY NIGHT WILL WEAKEN INTO A
HIGH AMPLITUDE TROUGH OVER WESTERN ALASKA WEDNESDAY. AN UPPER RIDGE
OVER THE NORTHWEST PACIFIC AND KAMCHATKA PENINSULA WILL DRIFT INTO
THE CENTRAL BERING SEA THURSDAY NIGHT AND WILL PUSH THE UPPER TROUGH
INTO CENTRAL ALASKA AND THE GULF FRIDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORM WARNING 120 130 138.
         GALE WARNING 125 127 129 132 140 150 160 165 170 172 179
                      180 185.
FIRE WEATHER...NONE

NM SEP 11