Alert archive / Alaska / Winter Storm Warnings in 2012

Winter Storm Warning 4, NWS Juneau, AK

January 5, 2012

NWS Juneau, AK issued this winter storm warning at Jan 5, 2012, 4:55 AM AKST. It took effect at Jan 5, 2012, 3:00 PM AKST. It was in force for 25 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
Jan 5, 2012, 4:55 AM AKST (13:55 UTC)
In effect from
Jan 5, 2012, 3:00 PM AKST
Expired
Jan 6, 2012, 4:00 PM AKST
In force
25 hr
Issued by
NWS Juneau, AK

The text

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

183 
WWAK47 PAJK 051355
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
455 AM AKST THU JAN 5 2012

AKZ019-051500-
/X.EXP.PAJK.WS.W.0003.000000T0000Z-120105T1400Z/
HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITY OF...HAINES
455 AM AKST THU JAN 5 2012

...WINTER STORM WARNING WILL EXPIRE AT 5 AM AKST EARLY THIS
MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 5 AM AKST EARLY THIS
MORNING. 

SCATTERED SNOW SHOWERS WILL CONTINUE THROUGH THE EARLY MORNING WITH
LITTLE TO NO ADDITIONAL ACCUMULATION.

$$

AKZ018-051500-
/X.EXP.PAJK.WW.Y.0003.000000T0000Z-120105T1400Z/
TAIYA INLET AND KLONDIKE HIGHWAY-
INCLUDING THE CITY OF...SKAGWAY
455 AM AKST THU JAN 5 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM AKST EARLY THIS
MORNING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM AKST EARLY THIS
MORNING. 

SHOWERS HAVE BECOME SCATTERED THIS MORNING AND SNOW LEVELS HAVE
RISEN TO 400 FT.

$$

AKZ017-052200-
/X.UPG.PAJK.WS.A.0001.120106T0300Z-120106T1200Z/
/X.NEW.PAJK.WS.W.0004.120106T0000Z-120106T1800Z/
CAPE FAIRWEATHER TO CAPE SUCKLING COASTAL AREA-
INCLUDING THE CITY OF...YAKUTAT
455 AM AKST THU JAN 5 2012

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 AM AKST FRIDAY...

THE NATIONAL WEATHER SERVICE IN JUNEAU HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 AM AKST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* TIMING...SNOW WILL DEVELOP THIS AFTERNOON AND BECOME HEAVY AT
  TIMES THURSDAY EVENING.

* SNOW...ACCUMULATIONS OF 4 TO 8 INCHES TONIGHT WITH A STORM TOTAL
  OF 4 TO 11 INCHES.

* WIND...INCREASING 20 TO 30 MPH WITH GUSTS TO 40 MPH OUT OF THE
  SOUTHEAST FRIDAY MORNING.

* IMPACTS...VISIBILITIES REDUCED TO A MILE OR LESS IN HEAVY SNOW.

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.

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

&&

$$
5 follow-up statements
796 
WWAK47 PAJK 052140
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
1240 PM AKST THU JAN 5 2012

AKZ017-060500-
/X.CON.PAJK.WS.W.0004.120106T0000Z-120106T1800Z/
CAPE FAIRWEATHER TO CAPE SUCKLING COASTAL AREA-
INCLUDING THE CITY OF...YAKUTAT
1240 PM AKST THU JAN 5 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM AKST
FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM AKST FRIDAY. 

* TIMING...SNOW WILL BECOME HEAVY AT TIMES THIS EVENING.

* SNOW...ACCUMULATIONS OF 4 TO 9 INCHES TONIGHT WITH A STORM TOTAL
  OF 6 TO 12 INCHES.

* WIND...INCREASING 20 TO 30 MPH WITH GUSTS TO 40 MPH OUT OF THE 
  SOUTHEAST FRIDAY MORNING. 

* IMPACTS...VISIBILITIES REDUCED TO LESS THAN A MILE HEAVY SNOW.

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.

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

&&

$$
JBT
589 
WWAK47 PAJK 060448
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
748 PM AKST THU JAN 5 2012

AKZ017-061100-
/X.CON.PAJK.WS.W.0004.000000T0000Z-120106T1800Z/
CAPE FAIRWEATHER TO CAPE SUCKLING COASTAL AREA-
INCLUDING THE CITY OF...YAKUTAT
748 PM AKST THU JAN 5 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM AKST
FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM AKST FRIDAY. 

* TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE OVERNIGHT.

* SNOW...4 TO 9 INCHES OF ACCUMULATION TONIGHT WITH A STORM TOTAL
  OF 6 TO 12 INCHES.

* WIND...SOUTHEAST INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 MPH
  THROUGH FRIDAY MORNING.

* IMPACTS...VISIBILITIES REDUCED TO LESS THAN A MILE IN HEAVY
  SNOW.

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.

THIS STATEMENT WILL BE UPDATED BY 2 AM AKST FRIDAY OR SOONER IF
CONDITIONS WARRANT.

&&

$$
696 
WWAK47 PAJK 061050
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
150 AM AKST FRI JAN 6 2012

AKZ017-061800-
/X.CON.PAJK.WS.W.0004.000000T0000Z-120106T1800Z/
CAPE FAIRWEATHER TO CAPE SUCKLING COASTAL AREA-
INCLUDING THE CITY OF...YAKUTAT
150 AM AKST FRI JAN 6 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM AKST THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM AKST THIS
MORNING. 

* TIMING...LIGHT SNOW CONTINUING OVERNIGHT BECOMING HEAVY AT TIMES.

* SNOW...ADDITIONAL ACCUMULATION OF 1 TO 3 INCHES THROUGH MORNING. STORM
  TOTAL ACCUMULATION OF 4 TO 8 INCHES. GREATEST AMOUNTS WEST OF
  YAKUTAT.

* WIND...SOUTHEAST INCREASING TO 20 TO 30 MPH WITH GUSTS TO 40 
  MPH THROUGH FRIDAY MORNING. 

* IMPACTS...VISIBILITIES REDUCED TO LESS THAN A MILE IN HEAVY 
  SNOW. 

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.

THIS STATEMENT WILL BE UPDATED BY 9 AM AKST FRIDAY OR SOONER IF
CONDITIONS WARRANT.

&&

$$
489 
WWAK47 PAJK 061750
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
850 AM AKST FRI JAN 6 2012

AKZ017-070100-
/X.EXT.PAJK.WS.W.0004.000000T0000Z-120107T0100Z/
CAPE FAIRWEATHER TO CAPE SUCKLING COASTAL AREA-
INCLUDING THE CITY OF...YAKUTAT
850 AM AKST FRI JAN 6 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 4 PM AKST THIS
AFTERNOON. 

* SNOW...ADDITIONAL ACCUMULATION OF 3 TO 6 INCHES THROUGH LATE
  AFTERNOON. SNOWFALL RATES UP TO 1 INCH PER HOUR ARE LIKELY.

* IMPACTS...TRAVEL WILL BE DIFFICULT. VISIBILITY REDUCED TO LESS
  THAN 1 MILE AT TIMES.

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.

THIS STATEMENT WILL BE UPDATED BY 4 PM AKST FRIDAY OR SOONER IF
CONDITIONS WARRANT.

&&

$$

RWT
709 
WWAK47 PAJK 070056
WSWAJK

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
356 PM AKST FRI JAN 6 2012

AKZ017-070200-
/X.EXP.PAJK.WS.W.0004.000000T0000Z-120107T0100Z/
CAPE FAIRWEATHER TO CAPE SUCKLING COASTAL AREA-
INCLUDING THE CITY OF...YAKUTAT
356 PM AKST FRI JAN 6 2012

...WINTER STORM WARNING WILL EXPIRE AT 4 PM AKST THIS AFTERNOON...

THE WINTER STORM WARNING WILL EXPIRE AT 4 PM AKST THIS AFTERNOON.

9.3 INCHES HAS FALLEN IN YAKUTAT...HEAVIER AMOUNTS TO THE WEST.
SNOW WILL BECOME MIXED WITH RAIN AND TAPER OFF THROUGH THE
EVENING.

THIS WILL BE THE LAST STATEMENT ON THIS EVENT.

$$

AKZ018-019-070800-
/X.NEW.PAJK.WS.W.0005.120107T1400Z-120108T0100Z/
TAIYA INLET AND KLONDIKE HIGHWAY-HAINES BOROUGH AND LYNN CANAL-
INCLUDING THE CITIES OF...SKAGWAY...HAINES
356 PM AKST FRI JAN 6 2012

...WINTER STORM WARNING IN EFFECT FROM 5 AM TO 4 PM AKST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN JUNEAU HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 AM TO 4 PM AKST
SATURDAY.

* LOCATION...ABOVE 600 FEET.

* SNOW...6 TO 10 INCHES.

* TIMING...SNOW WILL INCREASE EARLY SATURDAY MORNING...WITH
  HEAVIEST EARLY AFTERNOON. SNOW WILL THEN START TO TAPER OFF BY
  LATE AFTERNOON.

* IMPACTS...HEAVY SNOW WILL LOWER VISIBILITY AND MAKE DRIVING
  DIFFICULT.

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.

THIS STATEMENT WILL BE UPDATED BY 11 PM AKST TONIGHT OR SOONER IF
CONDITIONS WARRANT.

&&

$$

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 Jan 4, 3:55 PM AKST, 13 hours earlier.

Area forecast discussion, Jan 4, 3:55 PM AKST, 13 hours before
SOUTHEAST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JUNEAU AK
355 PM AKST WED JAN 4 2012

.SHORT TERM...FAST MOVING LOWS MOVED OVER SOUTHEAST ALASKA
THROUGH WEDNESDAY KEEPING THE CHAOTIC WEATHER ACROSS THE
PANHANDLE...THAT HAS MOVED WARMER AIR NORTH NEAR HAINES AND
SKAGWAY. THE COMPLEX PARENT LOW SYSTEM OVER THE CENTRAL GULF WILL
BE MOVING NORTHEAST ACROSS THE PANHANDLE WEDNESDAY NIGHT AND
EARLY THURSDAY. AS THE UPPER TROUGH WITH THE PARENT LOW MOVES
ACROSS IT WILL USHER IN SOME COLDER TEMPERATURES AND START
CHANGING RAIN SHOWERS OVER TO SNOW OR MIX WITH IT AT LEAST OVER
THE NORTHERN/CENTRAL PANHANDLE.

WITH THE AMOUNT OF WARMER AIR BEING MOVED NORTH HAVE SOME CONCERNS
ABOUT THE WINTER STORM WARNING AND WEATHER ADVISORY. WILL ADJUST
THE AREA COVERED BY THESE TO NORTH OF MILE MARKER 15 ON THE
CHILKAT HIGHWAY AND ABOVE 1200 FEET ON THE KLONDIKE HIGHWAY FOR
TONIGHT WITH AFTERNOON ISSUANCE.

THERE IS RIDGING BEING MOVED ACROSS THE GULF AND INTO THE PANHANDLE.
THE RIDGE IS EXPECTED TO SUPPRESS SHOWER ACTIVITY OVER THE PANHANDLE
AND SHIFT WIND DIRECTIONS AROUND TO THE NORTHWEST OVER THE SOUTHERN
PANHANDLE. THINK IT WILL ALSO YIELD A FEW BREAKS IN THE CLOUD COVER
TO LET THE SUNSHINE THROUGH.

ANOTHER COMPLEX REGION OF LOW PRESSURE AND ITS FRONTAL FEATURE
WILL BE SPREADING INTO THE CENTRAL GULF THURSDAY AFTERNOON. EXPECT
THAT SNOW WILL SPREAD BACK INTO THE NORTHEAST GULF COAST LATE IN
THE AFTERNOON.

.LONG TERM...HIGHLY PROGRESSIVE AND ACTIVE PATTERN CONTINUES.

ASSOCD WIND EVENT FOR THU NIGHT AND FRI MORNING INCLUDES GALE AND
STORMS FOR OUTSIDE WATERS. NOTE THE SNOWFALL FOR PAYA FOR THU NIGHT:
THAT IS THE ONLY ZONE THAT WILL HAVE ENOUGH COLD AIR IN PLACE TO
OVER RUN FOR A SNOW EVENT.

FORECASTS ARE ABOUT TO BE UPDATED FOR A WINTER STORM WATCH FOR
ZONE 17.

.AJK WATCHES/WARNINGS/ADVISORIES...
PUBLIC...WINTER STORM WARNING UNTIL 5 AM AKST THURSDAY FOR AKZ019.
         WINTER WEATHER ADVISORY UNTIL 5 AM AKST THURSDAY FOR AKZ018.
         WINTER STORM WATCH BEING PREPARED FOR ZONE 17 FOR
         THU NIGHT.
MARINE...GALE WARNING FOR PKZ036-041>043-051-052. SMALL CRAFT
ADVISORY FOR PKZ012-013-021-022-031>035.

&&

BEZENEK/JBT

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 4, 4:00 PM AKSTGale WarningAJK24 hr
Jan 4, 4:00 PM AKSTGale WarningAJK24 hr
Jan 4, 4:00 PM AKSTSmall Craft AdvisoryAJK24 hr
Jan 4, 4:12 PM AKSTWinter Storm WatchAJK13 hr
Jan 5, 4:00 AM AKSTSmall Craft AdvisoryAJK12 hr
Jan 5, 11:06 AM AKSTGale WarningAJK5 hr

Nearby

Winter Storm Warnings in Alaska, 2012Every winter storm warning in 2012

Sources

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