Alert archive / Alaska / Winter Storm Warnings in 2010

Winter Storm Warning 13, NWS Juneau, AK

October 31, 2010

NWS Juneau, AK issued this winter storm warning at Oct 31, 2010, 5:00 AM AKDT. It took effect at Oct 31, 2010, 7:00 PM AKDT. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 31, 2010, 5:00 AM AKDT (13:00 UTC)
In effect from
Oct 31, 2010, 7:00 PM AKDT
Expired
Nov 1, 2010, 7:00 PM AKDT
In force
24 hr
Issued by
NWS Juneau, AK

The text

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

345 
WWAK47 PAJK 311300
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
500 AM AKDT SUN OCT 31 2010

AKZ018-312100-
/X.UPG.PAJK.WS.A.0004.101101T0300Z-101101T1300Z/
/X.NEW.PAJK.WS.W.0013.101101T0300Z-101101T1500Z/
TAIYA INLET AND KLONDIKE HIGHWAY-
INCLUDING THE CITY OF...SKAGWAY
500 AM AKDT SUN OCT 31 2010

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
AKDT MONDAY ABOVE 500 FEET...

THE NATIONAL WEATHER SERVICE IN JUNEAU HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM AKDT MONDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* SNOW AMOUNT: SNOW WILL DEVELOP EARLY THIS EVENING. 4 TO 6 INCHES
  OF SNOW ACCUMULATION OVERNIGHT ABOVE 500 FEET. UP TO 2 INCHES
  OF ADDITIONAL SNOW EARLY MONDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 11 AM AKDT THIS MORNING OR
SOONER IF CONDITIONS WARRANT.

&&

$$

AKZ019-312100-
/X.UPG.PAJK.WS.A.0004.101101T0300Z-101101T1300Z/
/X.NEW.PAJK.WW.Y.0025.101101T0300Z-101101T1200Z/
HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITY OF...HAINES
500 AM AKDT SUN OCT 31 2010

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
4 AM AKDT MONDAY ABOVE 500 FEET...

THE NATIONAL WEATHER SERVICE IN JUNEAU HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 PM THIS
EVENING TO 4 AM AKDT MONDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* SNOW AMOUNT: SNOW WILL DEVELOP EARLY THIS EVENING. 3 TO 5 INCHES
  OF SNOW ACCUMULATION OVERNIGHT ABOVE 500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ADVISORY MEANS THAT A POTENTIALLY HAZARDOUS EVENT IS ALREADY
OCCURRING OR IMMINENT.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 11 AM AKDT THIS MORNING OR
SOONER IF CONDITIONS WARRANT.

&&

$$
8 follow-up statements
741 
WWAK47 PAJK 311322 CCA
WSWAJK

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE JUNEAU AK
519 AM AKDT SUN OCT 31 2010

AKZ018-312130-
/X.UPG.PAJK.WS.A.0004.101101T0300Z-101101T1300Z/
/X.COR.PAJK.WS.W.0013.101101T0300Z-101101T1500Z/
TAIYA INLET AND KLONDIKE HIGHWAY-
INCLUDING THE CITY OF...SKAGWAY
519 AM AKDT SUN OCT 31 2010

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
AKDT MONDAY ABOVE 500 FEET...

THE NATIONAL WEATHER SERVICE IN JUNEAU HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM AKDT MONDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* SNOW AMOUNT: SNOW WILL DEVELOP EARLY THIS EVENING. 4 TO 6 INCHES
  OF SNOW ACCUMULATION OVERNIGHT ABOVE 500 FEET. UP TO 2 INCHES
  OF ADDITIONAL SNOW EARLY MONDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 1 PM AKDT THIS AFTERNOON OR SOONER IF
CONDITIONS WARRANT.

&&

$$

AKZ019-312130-
/X.UPG.PAJK.WS.A.0004.101101T0300Z-101101T1300Z/
/X.COR.PAJK.WW.Y.0025.101101T0300Z-101101T1200Z/
HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITY OF...HAINES
519 AM AKDT SUN OCT 31 2010

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
4 AM AKDT MONDAY ABOVE 500 FEET...

THE NATIONAL WEATHER SERVICE IN JUNEAU HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 PM THIS
EVENING TO 4 AM AKDT MONDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* SNOW AMOUNT: SNOW WILL DEVELOP EARLY THIS EVENING. 3 TO 5 INCHES
  OF SNOW ACCUMULATION OVERNIGHT ABOVE 500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ADVISORY MEANS THAT A POTENTIALLY HAZARDOUS EVENT IS ALREADY
OCCURRING OR IMMINENT.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 1 PM AKDT THIS AFTERNOON OR SOONER IF
CONDITIONS WARRANT.

&&

$$
177 
WWAK47 PAJK 312038
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
1238 PM AKDT SUN OCT 31 2010

AKZ018-010415-
/X.CON.PAJK.WS.W.0013.101101T0300Z-101101T1500Z/
TAIYA INLET AND KLONDIKE HIGHWAY-
INCLUDING THE CITY OF...SKAGWAY
1238 PM AKDT SUN OCT 31 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM AKDT MONDAY ABOVE 500 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM AKDT MONDAY. 

* SNOW AMOUNT: 4 TO 6 INCHES OF SNOW ACCUMULATION OVERNIGHT ABOVE
  500 FEET. UP TO 2 INCHES OF ADDITIONAL SNOW EARLY MONDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 8 PM AKDT THIS EVENING OR
SOONER IF CONDITIONS WARRANT.

&&

$$

AKZ019-010415-
/X.CON.PAJK.WW.Y.0025.101101T0300Z-101101T1200Z/
HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITY OF...HAINES
1238 PM AKDT SUN OCT 31 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 4 AM AKDT MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 4 AM AKDT MONDAY. 

* SNOW AMOUNT: 3 TO 5 INCHES OF SNOW ACCUMULATION OVERNIGHT ABOVE
  500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ADVISORY MEANS THAT A POTENTIALLY HAZARDOUS EVENT IS ALREADY
OCCURRING OR IMMINENT.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 8 PM AKDT THIS EVENING OR
SOONER IF CONDITIONS WARRANT.

&&

$$
661 
WWAK47 PAJK 312323 CCA
WSWAJK

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE JUNEAU AK
319 PM AKDT SUN OCT 31 2010

AKZ018-010715-
/X.COR.PAJK.WS.W.0013.101101T0300Z-101101T1500Z/
TAIYA INLET AND KLONDIKE HIGHWAY-
INCLUDING THE CITY OF...SKAGWAY
319 PM AKDT SUN OCT 31 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM AKDT MONDAY ABOVE 500 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 AM AKDT MONDAY. 

* SNOW AMOUNT: 4 TO 6 INCHES OF SNOW ACCUMULATION OVERNIGHT ABOVE
  500 FEET. UP TO 2 INCHES OF ADDITIONAL SNOW EARLY MONDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 10 PM AKDT THIS EVENING OR
SOONER IF CONDITIONS WARRANT.

&&

$$

AKZ019-010715-
/X.COR.PAJK.WW.Y.0025.101101T0300Z-101101T1200Z/
HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITY OF...HAINES
319 PM AKDT SUN OCT 31 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 4 AM AKDT MONDAY ABOVE 500 FEET...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 4 AM AKDT MONDAY. 

* SNOW AMOUNT: 3 TO 5 INCHES OF SNOW ACCUMULATION OVERNIGHT ABOVE
  500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ADVISORY MEANS THAT A POTENTIALLY HAZARDOUS EVENT IS ALREADY
OCCURRING OR IMMINENT.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 10 PM AKDT THIS EVENING OR
SOONER IF CONDITIONS WARRANT.

&&

$$
556 
WWAK47 PAJK 010550
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
950 PM AKDT SUN OCT 31 2010

AKZ018-011200-
/X.CON.PAJK.WS.W.0013.000000T0000Z-101101T1500Z/
TAIYA INLET AND KLONDIKE HIGHWAY-
INCLUDING THE CITY OF...SKAGWAY
950 PM AKDT SUN OCT 31 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM AKDT
MONDAY ABOVE 500 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM AKDT MONDAY. 

* SNOW AMOUNT: 4 TO 6 INCHES OF SNOW ACCUMULATION OVERNIGHT 
  ABOVE 500 FEET. UP TO 2 INCHES OF ADDITIONAL SNOW EARLY MONDAY 
  MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 4 AM AKDT MONDAY OR
SOONER IF CONDITIONS WARRANT.

&&

$$

AKZ019-011200-
/X.CON.PAJK.WW.Y.0025.000000T0000Z-101101T1200Z/
HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITY OF...HAINES
950 PM AKDT SUN OCT 31 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM AKDT
MONDAY ABOVE 500 FEET...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM AKDT
MONDAY. 

* SNOW AMOUNT: 3 TO 5 INCHES OF SNOW ACCUMULATION OVERNIGHT 
  ABOVE 500 FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ADVISORY MEANS THAT A POTENTIALLY HAZARDOUS EVENT IS ALREADY
OCCURRING OR IMMINENT.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 4 AM AKDT MONDAY OR
SOONER IF CONDITIONS WARRANT.

&&

$$
952 
WWAK47 PAJK 010909
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
109 AM AKDT MON NOV 1 2010

AKZ019-011715-
/X.UPG.PAJK.WW.Y.0025.000000T0000Z-101101T1200Z/
/X.EXB.PAJK.WS.W.0013.000000T0000Z-101102T0300Z/
HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITY OF...HAINES
109 AM AKDT MON NOV 1 2010

...WINTER STORM WARNING IN EFFECT UNTIL 7 PM AKDT THIS EVENING ABOVE 500 FEET...

THE NATIONAL WEATHER SERVICE IN JUNEAU HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 7 PM AKDT THIS
EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* SNOW AMOUNT: 10 TO 18 INCHES OF SNOW ACCUMULATION THROUGH EARLY
  MONDAY EVENING ABOVE 500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 9 AM AKDT MONDAY OR SOONER IF
CONDITIONS WARRANT.

&&

$$

AKZ018-011715-
/X.EXT.PAJK.WS.W.0013.000000T0000Z-101102T0300Z/
TAIYA INLET AND KLONDIKE HIGHWAY-
INCLUDING THE CITY OF...SKAGWAY
109 AM AKDT MON NOV 1 2010

...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 PM AKDT THIS
EVENING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 7 PM AKDT THIS
EVENING. 

* SNOW AMOUNT: 10 TO 18 INCHES OF SNOW ACCUMULATION THROUGH EARLY
  MONDAY EVENING ABOVE 500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 9 AM AKDT MONDAY OR SOONER IF
CONDITIONS WARRANT.

&&

$$
723 
WWAK47 PAJK 011317
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
517 AM AKDT MON NOV 1 2010

AKZ018-019-012115-
/X.CON.PAJK.WS.W.0013.000000T0000Z-101102T0300Z/
TAIYA INLET AND KLONDIKE HIGHWAY-HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITIES OF...SKAGWAY...HAINES
517 AM AKDT MON NOV 1 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM AKDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM AKDT THIS
EVENING. 

* SNOW AMOUNT: 10 TO 18 INCHES OF SNOW ACCUMULATION THROUGH EARLY
  MONDAY EVENING ABOVE 500 FEET. 

* WIND: SOUTHEAST WIND WILL INCREASE TO 25 MPH WITH GUSTS TO 45
  MPH AS THE SNOW LEVEL WILL RISE TO BE ABOVE 3000 FEET IN THE
  LATE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 1 PM AKDT MONDAY OR SOONER IF
CONDITIONS WARRANT.

&&

$$
966 
WWAK47 PAJK 012035
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
1235 PM AKDT MON NOV 1 2010

AKZ018-019-020300-
/X.CON.PAJK.WS.W.0013.000000T0000Z-101102T0300Z/
TAIYA INLET AND KLONDIKE HIGHWAY-HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITIES OF...SKAGWAY...HAINES
1235 PM AKDT MON NOV 1 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM AKDT THIS
EVENING ABOVE 800 FT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM AKDT THIS
EVENING. 

* SNOW AMOUNT: 10 TO 18 INCHES OF SNOW ACCUMULATION THROUGH EARLY
  MONDAY EVENING ABOVE 800 FEET. SNOW LEVEL WILL RISE TO ABOVE
  3000 FT LATE TONIGHT.

* WIND: SOUTHEAST WIND WILL INCREASE TO 25 MPH WITH GUSTS TO 45 
  MPH AS THE SNOW LEVEL WILL RISE TO BE ABOVE 3000 FEET IN THE 
  LATE EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WARNING MEANS THAT A WINTER STORM IS ALREADY OCCURRING OR
IMMINENT. THIS STORM COULD POSE A THREAT TO LIFE AND PROPERTY.

DRIVING WILL BE HAZARDOUS.

THIS STATEMENT WILL BE UPDATED BY 7 PM AKDT TONIGHT OR SOONER IF
CONDITIONS WARRANT.

&&

$$
169 
WWAK47 PAJK 020237
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
637 PM AKDT MON NOV 1 2010


AKZ018-019-020345-
/X.EXP.PAJK.WS.W.0013.000000T0000Z-101102T0300Z/
TAIYA INLET AND KLONDIKE HIGHWAY-HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITIES OF...SKAGWAY...HAINES
637 PM AKDT MON NOV 1 2010

...WINTER STORM WARNING WILL EXPIRE AT 7 PM AKDT THIS EVENING...

THE WINTER STORM WARNING WILL EXPIRE AT 7 PM AKDT THIS EVENING. 

THIS WILL BE THE FINAL STATEMENT ON THIS EVENT.

$$

What forecasters said that day

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

NWS Juneau, AK wrote its last area forecast discussion before this winter storm warning went out at Oct 30, 3:23 PM AKDT, 13 hours 37 minutes earlier.

Area forecast discussion, Oct 30, 3:23 PM AKDT, 13 hours 37 minutes before
SOUTHEAST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JUNEAU AK
323 PM AKDT SAT OCT 30 2010

.SHORT TERM...STRONG SHOWERS FOR TONIGHT WILL TRANSITION TO A
STORM FORCE FRONTAL BOUNDARY SUNDAY MORNING. NOTE WINDS FOR
PUBLIC ZONE 27, AS WELL AS SEVERAL MARINE ZONES WITH GALES AND
STORMS, IN THE TABLE BELOW.

 GOES IR SHOWS CONVECTION IN CENTRAL AND ERN GLFALSK. LIGHTNING
DETECTION HAS INDICATED SEVERAL STRIKES WI 100 NM OF PAYA TODAY.
STRONG CELLS ARE MAKING LANDFALL ALONG THE ENTIRE GULF COAST FROM
PACV TO PASI. ONE LIGHTNING STRIKE WAS 60 NM NW OF PASI AT 2015Z
AND REPORTS HAVE BEEN RECEIVED THAT INDICATE STRONG CUMULUS CELLS
INLAND THAT EXTEND TO THE SRN PNHDL. THE CELLS IN THE GULF ARE
TRACKING NE AT ABT 15 KT. AN OLD FRONTAL BNDRY IS MOVG E BYD THE
COAST MTN RANGE, AND THIS EXIT HAS PERMITTED THE CELLS E OF A
PAJN-PAKT LN TO GAIN VERTICAL EXTENT.

 EXPLOSIVE CYCLOGENESIS WITH LOW 300 NM S OF PACD IS SENDING A
STRONG TRIPLE PT TO THE ENE THAT IS CURRENTLY 600 NM S OF PAWD.
ECMWF MODEL HAS A CENTRAL PRESSURE OF 937 MB FOR 00Z FOR THE
BOMB.

 THE NAM AND IN-HOUSE WRF ARE THE MODELS OF CHOICE FOR THE
CONVECTIVE ENVIRONMENT. THE ECMWF HAS BEEN THE MODEL OF CHOICE
FOR THE CYCLONE EVOLUTION OF THE EXPLOSIVE CYCLOGENESIS. THE
MODEL TRANSITION FROM NAM/WRF TO ECMWF WAS MADE DURING 06Z-12Z.

&&

.LONG TERM...ACTIVE FALL PATTERN CONTINUES THROUGH THE LONG TERM.
942 MB STORM FORCE LOW WILL ENTER THE SOUTHERN GULF SUN EVENING
THEN TRACK NORTHWARD TOWARD PRINCE WILLIAM SOUND. AS THE LOW
TRACKS NORTH IT WILL FILL WEAKENING TO NEAR 970 MB BY MON. 1ST
FRONTAL BAND WILL KEEP STORM FORCE WINDS ALONG THE OFFSHORE AND
COASTAL WATERS WITH SUSTAINED WINDS UP TO 60 KTS AND SEAS HEIGHTS
NEAR 25 FT. ALONG COASTAL ZONES WARNING LEVEL GUSTS WILL CONTINUE
SUN EVENING THROUGH MON FOR AKZ27 WITH ADVY LEVEL WINDS IN THE
SURROUNDING AREAS. THESE WINDS WILL DIMINISH LATE SUN NIGHT AS THE
FIRST FRONT PASSES THEN WILL INCREASE TO NEAR ADVY LEVELS WITH THE
SECONDARY WRAP. 850 LLJ NEAR 75 KTS FOR THE FIRST FRONTAL WRAP
THEN NEAR 55 KTS FOR THE SECONDARY WRAP.

ALONG THE HAINES AND KLONDIKE HIGHWAYS WINTER STORM WARNING REMAINS
IN EFFECT. NORTHERLY WINDS BRINGING 850 TEMPS TO -6C AS PRECIP
MOVES IN FROM THE SOUTH. MAY SEE ACCUMULATIONS OF 6 INCHES OR MORE
OF SNOW...BUT WITH WARMER AIR MOVING UP THE TRANSITION TO RAIN ALONG
THE HAINES HIGHWAY MAY OCCUR EARLIER. THAT SAID HAINES HIGHWAY
AMOUNTS MAY BE CLOSER TO ADVY WITH THE KLONDIKE NEARER TO WARNING
LEVELS.

AS THE STORM FORCE LOW DISSIPATES HIGH PRESSURE RIDGE WILL BUILD
OVER THE PANHANDLE TUE WITH INCREASED GRADIENT WINDS OVER THE
NORTHERN ZONES WILL INCREASE TO NEAR ADVY LEVEL WITH SOLID. GALES
DEVELOPING OVER N LYNN CANAL. NEXT LOW PRESSURE SYSTEM WILL
TRACKING FROM THE NORTHERN PACIFIC INTO THE SOUTH CENTRAL GULF
LATE WED THEN CONTINUE TO TRACK TOWARD PRINCE WILLIAM SOUND THU.
AMPLE MOISTURE MOVING UP WITH THIS SYSTEM MAY SEE HEAVY PRECIP OVER
THE SOUTHERN AND CENTRAL PANHANDLE AS THE FIRST FRONTAL BAND
ASSOCIATED WITH THE LOW MOVES IN.

MODELS WERE IN GOOD AGREEMENT WITH EC AND UKMET INITIALIZATION A
BIT BETTER. DIFFERENCE BETWEEN 12Z EC AND 00Z EC WAS MINOR SO
LITTLE CHANGE WAS MADE TO THE GRIDS TO DAY 3. THE 10 PM EXTENSION
OF THE WIND WARNING AND ADVY MAY BE A BIT LONG BUT WITH
UNCERTAINTY OF STRENGTH OF SECONDARY WARP DECIDED TO ERR ON THE
SIDE OF CAUTION. BY DAY 4 THE 12Z GFS AND 00Z AND 12Z EC FELL MORE
IN LINE WITH RESOLUTION OF THE MID WEEK LOW. HPC GUID ALSO SHOWED
THE NEW LOW TRACK WHICH STRONGER AND A BIT FURTHER TO THE WEST.
WITH THE NEW UPDATED MID WEEK WIND AND WAVES OVER THE AK GULF WERE
INCREASED. FORECAST CONFIDENCE IS ABOUT AVERAGE.

.AJK WATCHES/WARNINGS/ADVISORIES...
PUBLIC...WIND ADVISORY FROM 10 AM TO 10 PM AKDT SUNDAY FOR AKZ022-023-026-
     028.
         HIGH WIND WARNING FROM 10 AM TO 10 PM AKDT SUNDAY FOR AKZ027.
 WINTER STORM WATCH FROM SUNDAY EVENING THROUGH LATE SUNDAY NIGHT
FOR AKZ018-019. MARINE...STORM WARNING FOR PKZ022-036-041>043-051.
GALE WARNING FOR PKZ021-033-035-052. SMALL CRAFT ADVISORY FOR
PKZ012-013-031-032-034.

&&

JBT/PRB

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 4:00 PM AKDTGale WarningAJK12 hr
Oct 30, 4:00 PM AKDTGale WarningAJK60 hr
Oct 30, 4:00 PM AKDTSmall Craft AdvisoryAJK24 hr
Oct 30, 4:00 PM AKDTStorm WarningAJK36 hr
Oct 30, 4:00 PM AKDTStorm WarningAJK36 hr
Oct 30, 4:00 PM AKDTStorm WarningAJK36 hr
Oct 31, 4:00 AM AKDTGale WarningAJK46 hr
Oct 31, 4:00 AM AKDTStorm WarningAJK36 hr
Oct 31, 5:00 AM AKDTWinter Weather AdvisoryAJK20 hr
Oct 31, 12:13 PM AKDTWind AdvisoryAJK13 hr
Oct 31, 12:13 PM AKDTWind AdvisoryAJK55 hr

Nearby

Winter Storm Warnings in Alaska, 2010Every winter storm warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.