Alert archive / Alaska / Blizzard Watches in 2011

Blizzard Watch 14, NWS Anchorage, AK

November 10, 2011

NWS Anchorage, AK issued this blizzard watch at Nov 10, 2011, 4:59 AM AKST. It took effect at Nov 11, 2011, 6:00 AM AKST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 10, 2011, 4:59 AM AKST (13:59 UTC)
In effect from
Nov 11, 2011, 6:00 AM AKST
Expired
Nov 10, 2011, 4:52 PM AKST
In force
Issued by
NWS Anchorage, AK

The text

As transmitted, in the capitals the NWS used until 2016.

530 
WWAK42 PAFC 101359
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
459 AM AKST THU NOV 10 2011

AKZ155-110200-
/X.NEW.PAFC.BZ.A.0014.111111T1500Z-111112T0900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
459 AM AKST THU NOV 10 2011

...BLIZZARD WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING. 

* SNOW...4 TO 8 INCHES OF SNOW ACCUMULATION IS POSSIBLE THROUGH
  SATURDAY MORNING.

* VISIBILITY...MAY BE REDUCED TO 1/4 MILE OR LESS AT TIMES.

* WIND...SOUTHEAST WINDS WILL BE 30 TO 40 MPH WITH GUSTS TO 60 MPH
  AND WILL SHIFT TO THE SOUTHWEST FRIDAY EVENING.

* TIMING...SNOW AND WIND WILL SPREAD INLAND LATE FRIDAY NIGHT INTO
  SATURDAY MORNING AND CONTINUE THROUGH THE DAY SATURDAY. 

* IMPACTS...TRAVEL WILL BECOME DIFFICULT AND VERY DANGEROUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITE-OUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

&&

$$
4 follow-up statements
464 
WWAK42 PAFC 102102
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
1202 PM AKST THU NOV 10 2011

AKZ161-111015-
/X.NEW.PAFC.WW.Y.0023.111111T1300Z-111112T1300Z/
BRISTOL BAY-
INCLUDING THE CITIES OF...KING SALMON...DILLINGHAM...NAKNEK...
PILOT POINT
1202 PM AKST THU NOV 10 2011

...WINTER WEATHER ADVISORY IN EFFECT FOR SNOW...BLOWING SNOW...AND
FREEZING RAIN FROM 4 AM FRIDAY TO 4 AM AKST SATURDAY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...BLOWING SNOW...AND FREEZING RAIN...WHICH
IS IN EFFECT FROM 4 AM FRIDAY TO 4 AM AKST SATURDAY.

* LOCATION...THROUGHOUT THE BRISTOL BAY ZONE INCLUDING KING
  SALMON...NAKNEK...DILLINGHAM... AND ILIAMNA.

* SNOW...SNOW WILL BE HEAVIEST INLAND WITH 4 TO 8 INCHES LIKELY.
  SNOW MIXING WITH RAIN AND FREEZING RAIN ELSEWHERE WILL LIMIT
  ACCUMULATION BELOW 2 INCHES.

* TIMING...SNOW AND BLOWING SNOW WILL BEGIN ALONG THE WESTERN
  CAPES EARLY FRIDAY MORNING AND SPREAD INLAND BY NOON. FREEZING
  RAIN WILL DEVELOP BY LATE MORNING NEAR THE COAST. FURTHER INLAND
  WILL SEE THE WORSE CONDITIONS BY FRIDAY AFTERNOON AND CONTINUING
  THROUGH FRIDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS. LIMITED VISIBILITY IN
  SNOW AND BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPER ROADS AND
LIMITED VISIBILITIES AND USE CAUTION WHILE DRIVING.


&

$$

AKZ155-111015-
/X.CON.PAFC.BZ.A.0014.111111T1500Z-111112T0900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
1202 PM AKST THU NOV 10 2011

...BLIZZARD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

A BLIZZARD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING. 

* SNOW...4 TO 8 INCHES OF SNOW ACCUMULATION IS POSSIBLE THROUGH
  SATURDAY MORNING. SNOW DRIFTING 1 TO 2 FEET IS POSSIBLE.

* VISIBILITY...MAY BE REDUCED TO 1/4 MILE OR LESS AT TIMES.

* WIND...SOUTHEAST WINDS WILL BE 30 TO 40 MPH WITH GUSTS TO 50 
  MPH AND WILL SHIFT TO THE SOUTHWEST FRIDAY EVENING. 

* TIMING...SNOW AND WIND WILL SPREAD INLAND LATE FRIDAY NIGHT 
  INTO SATURDAY MORNING AND CONTINUE THROUGH THE DAY SATURDAY. 

* IMPACTS...DANGEROUS TRAVEL CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITE-OUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

&&

$$
853 
WWAK42 PAFC 102109 CCA
WSWALU

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
1207 PM AKST THU NOV 10 2011

AKZ161-111030-
/X.COR.PAFC.WW.Y.0023.111111T1300Z-111112T1300Z/
BRISTOL BAY-
INCLUDING THE CITIES OF...KING SALMON...DILLINGHAM...NAKNEK...
PILOT POINT
1207 PM AKST THU NOV 10 2011

...WINTER WEATHER ADVISORY IN EFFECT FOR SNOW...BLOWING SNOW...AND
FREEZING RAIN FROM 4 AM FRIDAY TO 4 AM AKST SATURDAY...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...BLOWING SNOW...AND FREEZING RAIN...WHICH
IS IN EFFECT FROM 4 AM FRIDAY TO 4 AM AKST SATURDAY.

* LOCATION...THROUGHOUT THE BRISTOL BAY ZONE INCLUDING KING
  SALMON...NAKNEK...DILLINGHAM... AND ILIAMNA.

* SNOW...SNOW WILL BE HEAVIEST INLAND WITH 4 TO 8 INCHES LIKELY.
  SNOW MIXING WITH RAIN AND FREEZING RAIN ELSEWHERE WILL LIMIT
  ACCUMULATION BELOW 2 INCHES.

* TIMING...SNOW AND BLOWING SNOW WILL BEGIN ALONG THE WESTERN
  CAPES EARLY FRIDAY MORNING AND SPREAD INLAND BY NOON. FREEZING
  RAIN WILL DEVELOP BY LATE MORNING NEAR THE COAST. FURTHER INLAND
  WILL SEE THE WORSE CONDITIONS BY FRIDAY AFTERNOON AND CONTINUING
  THROUGH FRIDAY NIGHT.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS. LIMITED VISIBILITY IN
  SNOW AND BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES AND USE CAUTION WHILE DRIVING.


&

$$

AKZ155-111030-
/X.CON.PAFC.BZ.A.0014.111111T1500Z-111112T0900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
1207 PM AKST THU NOV 10 2011

...BLIZZARD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

A BLIZZARD WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING. 

* SNOW...4 TO 8 INCHES OF SNOW ACCUMULATION IS POSSIBLE THROUGH
  SATURDAY MORNING. SNOW DRIFTING 1 TO 2 FEET IS POSSIBLE.

* VISIBILITY...MAY BE REDUCED TO 1/4 MILE OR LESS AT TIMES.

* WIND...SOUTHEAST WINDS WILL BE 30 TO 40 MPH WITH GUSTS TO 50 
  MPH AND WILL SHIFT TO THE SOUTHWEST FRIDAY EVENING. 

* TIMING...SNOW AND WIND WILL SPREAD INLAND LATE FRIDAY NIGHT 
  INTO SATURDAY MORNING AND CONTINUE THROUGH THE DAY SATURDAY. 

* IMPACTS...DANGEROUS TRAVEL CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITE-OUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

&&

$$
032 
WWAK42 PAFC 110128
WSWALU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
428 PM AKST THU NOV 10 2011

AKZ155-111430-
/X.UPG.PAFC.BZ.A.0014.111111T1500Z-111112T0900Z/
/X.NEW.PAFC.BZ.W.0033.111111T1500Z-111112T0900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
428 PM AKST THU NOV 10 2011

...BLIZZARD WARNING IN EFFECT FROM 6 AM FRIDAY TO MIDNIGHT AKST
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 AM FRIDAY TO MIDNIGHT AKST
FRIDAY NIGHT. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 


* SNOW...5 TO 10 INCHES OF SNOW ACCUMULATION IS POSSIBLE THROUGH
  SATURDAY MORNING WITH GREATEST AMOUNTS NORTH OF BETHEL. SNOW
  DRIFTING 1 TO 2 FEET IS POSSIBLE.

* VISIBILITY...MAY BE REDUCED TO 1/4 MILE OR LESS AT TIMES.

* WIND...ALONG THE COAST...EAST WIND 30 TO 45 MPH WITH GUSTS TO 60
  MPH. INLAND...EAST WINDS WILL BE 25 TO 35 MPH WITH GUSTS TO 45 MPH
  AND WILL SHIFT TO THE SOUTHWEST FRIDAY EVENING.

* TIMING...SNOW AND WIND WILL SPREAD INLAND LATE FRIDAY NIGHT 
  INTO SATURDAY MORNING AND CONTINUE THROUGH THE DAY SATURDAY. 

* IMPACTS...DANGEROUS TRAVEL CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ161-111430-
/X.CON.PAFC.WW.Y.0023.111111T1300Z-111112T1300Z/
BRISTOL BAY-
INCLUDING THE CITIES OF...KING SALMON...DILLINGHAM...NAKNEK...
PILOT POINT
428 PM AKST THU NOV 10 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
4 AM AKST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
4 AM AKST SATURDAY. 

* LOCATION...THROUGHOUT THE BRISTOL BAY ZONE INCLUDING KING 
  SALMON...NAKNEK...DILLINGHAM... AND ILIAMNA. 

* SNOW...SNOW WILL BE HEAVIEST INLAND WITH 4 TO 8 INCHES LIKELY. 
  SNOW MIXING WITH RAIN AND FREEZING RAIN ELSEWHERE WILL LIMIT 
  ACCUMULATION BELOW 2 INCHES. 

* TIMING...SNOW AND BLOWING SNOW WILL BEGIN ALONG THE WESTERN 
  CAPES EARLY FRIDAY MORNING AND SPREAD INLAND BY NOON. FREEZING 
  RAIN WILL DEVELOP BY LATE MORNING NEAR THE COAST. FURTHER 
  INLAND WILL SEE THE WORSE CONDITIONS BY FRIDAY AFTERNOON AND 
  CONTINUING THROUGH FRIDAY NIGHT. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS. LIMITED VISIBILITY IN 
  SNOW AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES AND USE CAUTION WHILE DRIVING.

&

$$
437 
WWAK42 PAFC 110155 CCA
WSWALU

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE AK
452 PM AKST THU NOV 10 2011

AKZ155-111515-
/X.UPG.PAFC.BZ.A.0014.111111T1500Z-111112T0900Z/
/X.COR.PAFC.BZ.W.0033.111111T1500Z-111112T0900Z/
KUSKOKWIM DELTA-
INCLUDING THE CITIES OF...BETHEL...HOOPER BAY...NUNIVAK ISLAND
452 PM AKST THU NOV 10 2011

...BLIZZARD WARNING IN EFFECT FROM 6 AM FRIDAY TO MIDNIGHT AKST
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 AM FRIDAY TO MIDNIGHT AKST
FRIDAY NIGHT. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 


* SNOW...5 TO 10 INCHES OF SNOW ACCUMULATION IS POSSIBLE THROUGH
  SATURDAY MORNING WITH GREATEST AMOUNTS NORTH OF BETHEL. SNOW
  DRIFTING 1 TO 2 FEET IS POSSIBLE.

* VISIBILITY...MAY BE REDUCED TO 1/4 MILE OR LESS AT TIMES.

* WIND...ALONG THE COAST...EAST WIND 30 TO 45 MPH WITH GUSTS TO 60
  MPH. INLAND...EAST WINDS WILL BE 25 TO 35 MPH WITH GUSTS TO 45 MPH
  AND WILL SHIFT TO THE SOUTHWEST FRIDAY EVENING.

* TIMING...SNOW AND WIND WILL SPREAD INLAND EARLY FRIDAY MORNING
  AND CONTINUE THROUGH THE DAY FRIDAY.

* IMPACTS...DANGEROUS TRAVEL CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. ALL TRAVEL AND
OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED.

&&

$$

AKZ161-111515-
/X.CON.PAFC.WW.Y.0023.111111T1300Z-111112T1300Z/
BRISTOL BAY-
INCLUDING THE CITIES OF...KING SALMON...DILLINGHAM...NAKNEK...
PILOT POINT
452 PM AKST THU NOV 10 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
4 AM AKST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
4 AM AKST SATURDAY. 

* LOCATION...THROUGHOUT THE BRISTOL BAY ZONE INCLUDING KING 
  SALMON...NAKNEK...DILLINGHAM... AND ILIAMNA. 

* SNOW...SNOW WILL BE HEAVIEST INLAND WITH 4 TO 8 INCHES LIKELY. 
  SNOW MIXING WITH RAIN AND FREEZING RAIN ELSEWHERE WILL LIMIT 
  ACCUMULATION BELOW 2 INCHES. 

* TIMING...SNOW AND BLOWING SNOW WILL BEGIN ALONG THE WESTERN 
  CAPES EARLY FRIDAY MORNING AND SPREAD INLAND BY NOON. FREEZING 
  RAIN WILL DEVELOP BY LATE MORNING NEAR THE COAST. FURTHER 
  INLAND WILL SEE THE WORSE CONDITIONS BY FRIDAY AFTERNOON AND 
  CONTINUING THROUGH FRIDAY NIGHT. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS. LIMITED VISIBILITY IN 
  SNOW AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND
LIMITED VISIBILITIES AND USE CAUTION WHILE DRIVING.

&

$$

What forecasters said that day

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

NWS Anchorage, AK wrote its last area forecast discussion before this blizzard watch went out at Nov 9, 4:30 PM AKST, 12 hours 29 minutes earlier.

Area forecast discussion, Nov 9, 4:30 PM AKST, 12 hours 29 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
430 PM AKST WED NOV 9 2011

.ANALYSIS AND UPPER LEVELS...
DEEP POLAR VORTEX OVER CHUKCHI SEA WITH A PROGRESSIVE PATTERN IN
PLACE ACROSS ALASKA. A STRONG TROUGH ROTATING THROUGH THE NORTHERN
BERING PRODUCED A VERY STRONG STORM THAT MOVED THROUGH THE BERING
YESTERDAY AND INTO THE CHUKCHI THIS AFTERNOON. THIS STORM PRODUCED
COASTAL FLOODING AND DAMAGING WINDS TO THE WEST COAST OF ALASKA. THE
STRONG WESTERLY FLOW BEHIND THE STORM WILL CONTINUE TO BRING THE
THREAT OF HIGH SEAS AND SURGE TO THE WEST COAST THROUGH THE EVENING
HOURS. A SECONDARY WAVE IS MOVING THROUGH THE WESTERN BERING THIS
AFTERNOON AS WELL ENHANCING THE WESTERLY FLOW. THIS WAVE IS
ACCOMPANIED BY A RELATIVELY STRONG JET STREAM OF 170KT AND WILL PUSH
TO THE COAST TONIGHT. A WEAKER WAVE IS RIDING ALONG THE JET AND WILL
MOVE INTO THE GULF OF ALASKA TONIGHT.

THE RIDGE OVER SOUTH CENTRAL ALASKA HAS BROKEN DOWN AND CLOUDS HAVE
FILTERED INTO THE AREA. AS THE NEXT WAVE MOVES INLAND TONIGHT ALONG
THE WEST COAST...A SURFACE LOW WILL DEVELOP OVER THE GULF OF ALASKA
IN RESPONSE TO THE JET CORE AND THE WEAK WAVE MOVING INTO THE REGION.

.MODEL DISCUSSION...
MODELS HAVE BEEN INITIALIZED WELL THIS MORNING WITH THE VERY LARGE
STORM IN THE NORTHERN BERING SEA. THE TROUGH OF LOW PRESSURE ALONG
THE NORTHERN GULF COAST HAS ALSO BEEN ANALYZED WELL. THE
PRECIPITATION AND WIND PATTERNS WERE ALSO ANALYZED WELL. THE MODEL
SPREAD IS QUITE LOW THROUGH FRIDAY. THIS IS WHEN THE POLAR VORTEX
BEGINS TO SHIFT EAST. HOWEVER...ALL THE MODELS HAVE AN AREA OF LOW
PRESSURE CONSISTENTLY OVER THE MAINLAND STRETCHING FROM THE EASTERN
BERING INTO THE YUKON THROUGH SUNDAY. A RIDGE BUILDS INTO THE BERING
MONDAY WITH A LINGERING LOW IN THE GULF AS THE POLAR VORTEX MOVES
INTO THE YUKON.

.SHORT TERM FORECAST...
SOUTHCENTRAL...
A SNOW EVENT IS EXPECTED TONIGHT INTO TOMORROW AS A LOW DEVELOPS IN
THE GULF LATER TONIGHT. IN ADDITION...A SHORT WAVE TROUGH WILL RIP
THROUGH THE AREA PROVIDING EXTRA LIFT THURSDAY MORNING. THE
ORIENTATION OF THE JET STREAM ACROSS THE ALEUTIANS AND THE SPIN UP OF
THE LOW WILL BRING SOME MOIST AIR INTO THE REGION. SATELLITE IMAGERY
INDICATES AN ANOMALY OF MOISTURE WITH THIS DEVELOPING SYSTEM. IF WE
TAP INTO THE MOISTURE HEAVILY...SNOW AMOUNTS WILL BE GREATER THAN
ADVERTISED. THE ONLY UNCERTAINTY IS THE TRACK OF THE LOW DEVELOPING
IN THE GULF. IF IT MOVES A BIT FARTHER EAST TOWARD CORDOVA...THE SNOW
IN ANCHORAGE WILL BE ABOUT HALF AS ADVERTISED. AS IT STANDS NOW...THE
LOW IS EXPECTED TO TRACK INTO THE WESTERN PRINCE WILLIAM SOUND AREA.
SNOWFALL AMOUNTS OF 3 TO 8 INCHES ARE ANTICIPATED ACROSS THE
ANCHORAGE BOWL WITH THE HIGHEST AMOUNTS OVER THE MID AND UPPER
HILLSIDE. THE TROUGH THAT WILL BRING THE MORE INTENSE SNOWFALL
TOMORROW MORNING WILL ACT AS A SWEEPER AS WELL TOMORROW AFTERNOON. AS
THE AXIS OF THIS TROUGH MOVES THROUGH...STABLE AND DRIER AIR WILL
DOMINATE. WITH THE LOW EAST OF CORDOVA IN THE AFTERNOON AND HIGH
PRESSURE BUILDING OVER THE MAINLAND...NORTH AND WEST GAP FLOWS WILL
BE STRONG. THE FLOW WILL WEAKEN THROUGH THE DAY FRIDAY AS THE HIGH IS
SHOVED EAST WITH ANOTHER LOW MOVING INTO BRISTOL BAY. ANOTHER LOW
WILL DEVELOP IN THE GULF FRIDAY EVENING AS THE BRISTOL LOW MOVES INTO
THE KUSKOKWIM DELTA. THIS COULD BE ANOTHER SNOW PRODUCER...BUT
UNCERTAINTY IS HIGHER WITH THIS STORM FRIDAY NIGHT INTO SATURDAY.
WILL EXPECT SOME TURNAGAIN ARM WIND WITH THIS STORM FRIDAY NIGHT
THOUGH. THE LOWS WILL LIFT INTO THE MAINLAND SATURDAY WITH AN AREA OF
LOW PRESSURE REMAINING INLAND THROUGH SUNDAY.

SOUTHWEST AND BERING SEA...
THE STRONG STORM IS ENDING THIS EVENING. HOWEVER...THE WESTERLY FLOW
REMAINS STRONG AND STORM SURGE WILL CONTINUE TO BE A PROBLEM THIS
EVENING. ANOTHER LOW WITH STRONG WESTERLY FLOW IS FOLLOWING THROUGH
THE BERING THIS AFTERNOON. THIS WILL CONTINUE THE THREAT OF COASTAL
STORM SURGE THROUGH THE NIGHT. THIS WAVE WILL ALSO BRING SOME HEAVIER
PRECIPITATION TO SOUTHWEST ALASKA TONIGHT. HIGH PRESSURE WILL
TRAVERSE THE BERING TONIGHT AND INTO THE SOUTHWEST TOMORROW AHEAD OF
A DEVELOPING STORM OVER THE CENTRAL/WESTERN ALEUTIANS. THE LOW WILL
BE AROUND 980MB THURSDAY EVENING NEAR ADAK. HEAVY PRECIPITATION CAN
BE EXPECTED WITH THIS STORM. THERE IS A GOOD AMOUNT OF WARM ADVECTION
WITH THIS STORM AND PRECIPITATION SHOULD BE ALL RAIN ALONG THE
ALEUTIAN CHAIN THURSDAY NIGHT. THE WINDS WITH THIS STORM WILL BE
AROUND GALE FORCE AND DUE TO THE TRACK...STORM SURGE IS NOT EXPECTED
TO BE A PROBLEM. THE LOW WILL MOVE INTO BRISTOL BAY FRIDAY AT ROUGHLY
960MB. THERE MIGHT BE ENOUGH COLD AIR INLAND FOR SNOW AND BLOWING
SNOW FRIDAY NIGHT ACROSS SOUTHWEST ALASKA. THE LOW WEAKENS TO 970MB
SATURDAY WITH LIGHTER WINDS AND PRECIPITATION AROUND SOUTHWEST ALASKA
AND THE EASTERN BERING SEA. THE REMAINS INLAND INTO SUNDAY BEFORE
HIGH PRESSURE BUILDS OVER THE BERING MONDAY.

EXTENDED...
LOW PRESSURE OVER THE INLAND AREAS MONDAY WITH A STRONG LOW
DEVELOPING WEST OF THE ALEUTIANS. THE WESTERN ALEUTIAN LOW WILL CREEP
EAST OVER TIME IN THE EXTENDED...BUT HIGH PRESSURE WILL DOMINATE THE
REMAINDER OF THE AREA INTO WEDNESDAY. NORTH AND WEST GAP FLOWS WILL
BE A PROBLEM IN THE EXTENDED. THE ALEUTIAN LOW SPREADS A FRONT INTO
THE WESTERN BERING SEA WEDNESDAY NIGHT INTO THURSDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...COASTAL FLOOD WARNING...155
         SNOW ADVISORY...101
MARINE...STORM WARNING...179 412 414
         GALE WARNING....120 130 132 160 165 170 172 175 185
                         351 352 411 413
FIRE WEATHER...NONE

JN NOV 11

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 9, 3:51 PM AKSTWinter Weather AdvisoryAFC19 hr
Nov 9, 4:00 PM AKSTGale WarningAFC4 days
Nov 9, 4:00 PM AKSTGale WarningAFC3 days
Nov 9, 4:00 PM AKSTSmall Craft AdvisoryAFC12 hr
Nov 9, 4:00 PM AKSTSmall Craft AdvisoryAFC12 hr
Nov 9, 4:00 PM AKSTStorm WarningAFC3 days
Nov 10, 4:00 AM AKSTGale WarningAFC24 hr
Nov 10, 4:00 AM AKSTGale WarningAFC24 hr
Nov 10, 4:00 AM AKSTGale WarningAFC48 hr
Nov 10, 4:00 AM AKSTStorm WarningAFC60 hr
Nov 10, 12:02 PM AKSTWinter Weather AdvisoryAFC39 hr

Nearby

Blizzard Watches in Alaska, 2011Every blizzard 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.