Winter Storm Warning 9, NWS Fairbanks, AK

246 
WWAK41 PAFG 020159
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
559 PM AKDT MON SEP 1 2014

AKZ206-021400-
/O.CON.PAFG.WS.W.0009.000000T0000Z-140902T1400Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
559 PM AKDT MON SEP 1 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM AKDT
TUESDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL
6 AM AKDT TUESDAY. 

* LOCATION...ELEVATIONS ABOVE 3000 FEET THIS EVENING...LOWERING TO
  1000 FEET OVERNIGHT.

* SNOW...3 INCHES. STORM TOTAL SNOWFALL 6 TO 8 INCHES.

* BLOWING SNOW...SOUTH WINDS 15 TO 25 MPH GUSTING TO 35 MPH THIS
  EVENING THROUGH PASSES WILL REDUCE VISIBILITY TO ONE HALF MILE
  OR LESS AT TIMES.

* TIMING...THE SNOW LEVEL WILL LOWER TO 1000 FEET OVERNIGHT AND
  SNOW WILL DECREASE BY MORNING. STRONG WINDS THROUGH PASSES WILL
  GRADUALLY AFTER MIDNIGHT AND LOW VISIBILITY IN BLOWING SNOW
  WILL IMPROVE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS ONE OR MORE SIGNIFICANT WINTER
WEATHER HAZARDS ARE OCCURRING OR EXPECTED.

&&

$$

198 
WWAK41 PAFG 020638
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
1038 PM AKDT MON SEP 1 2014

AKZ206-021400-
/O.EXT.PAFG.WS.W.0009.000000T0000Z-140902T2000Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
1038 PM AKDT MON SEP 1 2014

...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON AKDT TUESDAY...

THE WINTER STORM WARNING FOR HEAVY SNOW IS NOW IN EFFECT UNTIL
NOON AKDT TUESDAY. 

* LOCATION...ELEVATIONS ABOVE 3000 FEET THIS EVENING...LOWERING TO
  1000 FEET OVERNIGHT. HEAVIEST SNOW EAST OF THE DALTON HIGHWAY.

* SNOW...3 TO 5 INCHES. STORM TOTAL SNOWFALL 6 TO 9 INCHES.

* BLOWING SNOW...SOUTH WINDS 15 TO 25 MPH GUSTING TO 35 MPH THIS 
  EVENING THROUGH PASSES WILL REDUCE VISIBILITY TO ONE HALF MILE 
  OR LESS AT TIMES. 

* TIMING...THE SNOW LEVEL WILL LOWER TO 1000 FEET OVERNIGHT AND
  SNOW WILL DIMINISH FROM WEST TO EAST TUESDAY MORNING. STRONG
  WINDS THROUGH PASSES WILL GRADUALLY DIMINISH AFTER MIDNIGHT AND
  LOW VISIBILITY IN BLOWING SNOW WILL IMPROVE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS ONE OR MORE SIGNIFICANT WINTER
WEATHER HAZARDS ARE OCCURRING OR EXPECTED.

&&

$$

153 
WWAK41 PAFG 021257
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
457 AM AKDT TUE SEP 2 2014

AKZ206-022000-
/O.CON.PAFG.WS.W.0009.000000T0000Z-140902T2000Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
457 AM AKDT TUE SEP 2 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKDT TODAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL
NOON AKDT TODAY. 

* LOCATION...ELEVATIONS ABOVE 1000 FEET. HEAVIEST SNOW EAST OF
  THE DALTON HIGHWAY.

* SNOW...1 TO 3 INCHES. STORM TOTAL SNOWFALL 5 TO 9 INCHES.

* BLOWING SNOW...SOUTH WINDS 15 TO 25 MPH GUSTING TO 35 MPH THIS 
  EVENING THROUGH PASSES WILL REDUCE VISIBILITY TO ONE HALF MILE 
  OR LESS AT TIMES. 

* TIMING...SNOW WILL DIMINISH FROM WEST TO EAST TUESDAY MORNING.
  STRONG WINDS THROUGH PASSES WILL GRADUALLY DIMINISH AFTER
  MIDNIGHT AND LOW VISIBILITY IN BLOWING SNOW WILL IMPROVE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS ONE OR MORE SIGNIFICANT WINTER
WEATHER HAZARDS ARE OCCURRING OR EXPECTED.

&&

$$

787 
WWAK41 PAFG 021837
WSWNSB

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
1037 AM AKDT TUE SEP 2 2014

AKZ206-021945-
/O.CAN.PAFG.WS.W.0009.000000T0000Z-140902T2000Z/
NORTHEASTERN BROOKS RANGE-
INCLUDING...ANAKTUVUK PASS...ATIGUN PASS...GALBRAITH LAKE...
SAGWON...FRANKLIN BLUFFS
1037 AM AKDT TUE SEP 2 2014

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS CANCELLED THE
WINTER STORM WARNING. 

SIGNIFICANT SNOWFALL HAS ENDED. 

MORE SNOWFALL IS EXPECTED ON WEDNESDAY AND WEDNESDAY NIGHT. 

$$

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
228 AM AKDT MON SEP 1 2014

.DISCUSSION...
SYNOPTIC SCALE MODELS CONTINUE TO BE IN GOOD AGREEMENT THROUGH THE
END OF THE WEEK BEFORE DEPARTING ON TRACK AND STRENGTH OF THE
UPPER LEVEL LOW OVER NORTH OF MAINLAND ALASKA. CURRENT WINTER
DEPTH 500 DAM LOW AT 500 HPA IS LOCATED 250 M NORTHWEST OF BARROW
WILL WOBBLE ON A CYCLONIC LOOPING TRAJECTORY TO BE ABOUT ABOUT 50
NM NORTH OF BARROW WEDNESDAY MORNING. THE UPPER LEVEL LOW THEN
MOVES RAPIDLY TO THE EAST TO BE 150 NM NORTH OF DEMARCATION POINT
WEDNESDAY EVENING AS A 516 DAM LOW.

A SERIES OF SHORT WAVES ROTATING AROUND THE UPPER LEVEL LOW WILL
SWEEP ACROSS NORTHERN ALASKA THROUGH THE WEEK. FOCUS CONTINUES TO
BE ON THE FIRST AND STRONGEST SHORT WAVE WHICH IS NOW PLOWING ITS
WAY INTO THE WESTERN ALASKA. A 996 MB WHICH IS CURRENTLY DEVELOPING
OVER NORTON SOUND WILL MOVE EASTWARD TO BE LOCATED NEAR PABT
MONDAY NIGHT AND PARC TUESDAY MORNING. A COLD FRONT SWEEPS THROUGH
THE INTERIOR AND STALLS EAST WEST ALONG THE ALASKA RANGE. STRONG
UPPER LEVEL DYNAMICS COMBINED WITH UPSLOPE ENHANCED UPSLOPE WILL
GENERATE HEAVY PRECIP OVER MUCH OF THE INTERIOR. BOTH THE ECMWF
AND THE GFS CONTINUE TO INDICATE STORM TOTAL PRECIP VALUES OF 1
INCH OR MORE FROM THE NULATO HILLS EAST TO THE KUSKOKWIM MOUNTAINS
IN WESTERN ALASKA AND 1 TO 2 INCH STORM TOTAL QPF VALUES IN THE
WESTERN ALASKA RANGE. SOME LOCATIONS IN THE WESTERN ALASKA RANGE
WILL LIKELY RECEIVE IN EXCESS OF 2 INCHES OF PRECIP. WIDESPREAD
SWATH STORM TOTAL RAIN FALL TOTALS OF 1 INCH OR MORE IS FORECAST
FROM THE NULATO HILLS EAST TO THE FAIRBANKS AREA AND ALONG THE
ALASKA RANGE. THE HEAVIEST RAIN WILL FALL FROM DENALI NATIONAL
PARK TO FAIRBANKS WHERE 1 TO 2 INCHES OF RAIN IS LIKELY. AGAIN
SOME LOCATIONS WILL RECEIVE OVER 2 INCHES. SNOW LEVELS WILL DROP
FOR AROUND 5000 FT TUESDAY MORNING TO AROUND 3000 FT TUESDAY
AFTERNOON AND CONTINUE TO DROP TUESDAY NIGHT. SIGNIFICANT ACCUMULATING
SNOW IS LIKELY TUESDAY NIGHT AND WEDNESDAY IN THE WESTERN ALASKA
RANGE. THOSE WITH OUTDOOR ACTIVITIES OR TRAVEL PLANS IN THE HIGH
COUNTRY SHOULD BE PREPARED FOR WINTER CONDITIONS.

SNOW LEVELS WILL DROP IN THE BROOKS RANGE FROM AROUND 3000 FT THIS
MORNING TO VALLEY LEVEL TUESDAY MORNING. SEVERAL INCHES OF SNOW
ARE LIKELY IN THE BROOKS RANGE. THOSE WITH OUTDOOR ACTIVITIES OR
TRAVEL PLANS IN THE BROOKS RANGE SHOULD BE PREPARED FOR WINTER
CONDITIONS.

STRONG 850 MB WINDS IN THE 45 KT TO 60KT RANGE ARE EXPECTED WITH
TO DEVELOP OVER THE CENTRAL INTERIOR AS THE SHORT WAVE APPROACHES.
WIND ADVISORIES ARE HOISTED FOR ZONES 221...222 AND 220 AS WIND
GUSTS TO 45 MPH ARE EXPECTED OVER INTERIOR HIGHWAY SUMMITS AND
HILLS.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...
SURGE MODELS INDICATE 2 TO 3 FOOT SURGE VALUES IN EASTERN NORTON
SOUND THOUGH MONDAY NIGHT WITH WAVE HEIGHTS OF AROUND 8 FEET WELL
OFF SHORE BUT CONSIDERABLY LOWER NEAR SHORE. ON SHORE WINDS ARE
EXPECTED TO BE AROUND 25 KTS...CONTINUE TO MONITOR FOR HIGH SURF.
SURGE MODELS INDICATE 1.5 FOOT SURGE ALONG THE NORTHWEST COAST
NEAR ICY CAPE AND AROUND 1 FOOT NEAR BARROW WITH 6 TO 8 FOOT WAVES
OFF SHORE TUESDAY. FETCH IS REASONABLE IN BOTH CASES HOWEVER WIND
DURATION AND MAGNITUDE WILL LIMIT HIGH SURF.

&&

.HYDROLOGY...
LOWERING FREEZING LEVELS WILL LIMIT FLASHY RESPONSE IN HIGHER
TERRAIN IN THE ALASKA RANGE SO NO SMALL STREAM ISSUES ARE EXPECTED
HOWEVER HYDRO MODELS CONTINUE TO INDICATE STREAMS AND RIVERS IN
THE MIDDLE TANANA VALLEY WILL LIKELY RISE TO ACTION STAGE BY
WEDNESDAY MORNING.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY FOR AKZ220-AKZ221-AKZ222.

SMALL CRAFT ADVISORY FOR PKZ200-PKZ210-PKZ240-PKZ245.
&&

CCC SEP 14

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FAIRBANKS AK
1048 PM AKDT SUN AUG 31 2014

AKZ212-216-227-020000-
EASTERN NORTON SOUND AND NULATO HILLS-
LOWER KOYUKUK AND MIDDLE YUKON VALLEYS-UPPER KUSKOKWIM VALLEY-
INCLUDING...UNALAKLEET...STEBBINS...ST MICHAEL...ELIM...KOYUK...
SHAKTOOLIK...GALENA...NULATO...HUSLIA...KALTAG...RUBY...KOYUKUK...
MCGRATH...NIKOLAI...TAKOTNA...FAREWELL LAKE
1048 PM AKDT SUN AUG 31 2014

...SIGNIFICANT RAINFALL AND HIGH RIVER LEVELS THIS WEEK...

HEAVY RAINFALL IS EXPECTED OVER THE WESTERN INTERIOR MONDAY AND
TUESDAY AS A STRONG WEATHER SYSTEM SWEEPS EAST ACROSS NORTHERN
ALASKA. A WIDESPREAD SWATH OF RAINFALL TOTALING 1 INCH OR MORE IS
FORECAST FROM THE NULATO HILLS EAST TO THE KUSKOKWIM MOUNTAINS
AND THE ALASKA RANGE. THE HEAVIEST RAIN WILL FALL OVER THE NULATO
HILLS AND THE WESTERN ALASKA RANGE WHERE 1 TO 2 INCHES OF RAIN IS
LIKELY. SOME LOCATIONS IN THE WESTERN ALASKA RANGE MAY SEE
RAINFALL IN EXCESS OF 2 INCHES.

RIVERS AND STREAMS IN THE WESTERN INTERIOR WILL RISE MONDAY
THROUGH WEDNESDAY DUE TO RUNOFF FROM THE RAINFALL. IN THE ALASKA
RANGE...SOME SMALL STREAMS AND RIVERS MAY FLOW OVERBANK IN LOW
LYING AREAS. IN ADDITION...THE HEAVY RAIN MAY CAUSE ROCK AND
MUDSLIDES IN AREAS OF STEEP TERRAIN.

EWP