Alert archive / Alaska / Wind Advisories in 2009

Wind Advisory 53, NWS Juneau, AK

September 5, 2009

NWS Juneau, AK issued this wind advisory at Sep 5, 2009, 6:13 PM AKDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Sep 5, 2009, 6:13 PM AKDT (02:13 UTC)
Expired
Sep 6, 2009, 3:00 AM AKDT
In force
9 hr
Issued by
NWS Juneau, AK

The text

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

000 
WWAK77 PAJK 060213
NPWAJK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
613 PM AKDT SAT SEP 5 2009

AKZ025-061100-
/X.NEW.PAJK.WI.Y.0053.090906T0213Z-090906T1100Z/
JUNEAU BOROUGH AND NORTHERN ADMIRALTY ISLAND-
INCLUDING THE CITY OF...JUNEAU
613 PM AKDT SAT SEP 5 2009

...WIND ADVISORY IN EFFECT UNTIL 3 AM AKDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN JUNEAU HAS ISSUED A WIND
ADVISORY FOR THE CITIES OF JUNEAU AND DOUGLAS...WHICH IS IN EFFECT UNTIL
3 AM AKDT SUNDAY.

A STRONG PRESSURE GRADIENT HAS SET UP OVER THE JUNEAU AREA AND
WILL PRODUCE VERY GUSTY CONDITIONS THIS EVENING AND THROUGH MUCH OF
THE NIGHT. ADVISORY LEVEL WINDS AND WIND GUSTS WILL BE LIMITED TO
THE CHANNELED TERRAIN IN AND AROUND THE DOWNTOWN JUNEAU AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEED OR FREQUENT GUSTS
WILL OCCUR BETWEEN 40 AND 60 MPH.

THIS STATEMENT WILL BE UPDATED BY 300 AM AKDT SUNDAY OR SOONER IF
CONDITIONS WARRANT.

&&

$$
1 follow-up statement
000 
WWAK77 PAJK 061040
NPWAJK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JUNEAU AK
240 AM AKDT SUN SEP 6 2009


AKZ025-061145-
/X.EXP.PAJK.WI.Y.0053.000000T0000Z-090906T1100Z/
JUNEAU BOROUGH AND NORTHERN ADMIRALTY ISLAND-
INCLUDING THE CITY OF...JUNEAU
240 AM AKDT SUN SEP 6 2009

...WIND ADVISORY WILL EXPIRE AT 3 AM AKDT EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 3 AM AKDT EARLY THIS MORNING. 

THIS WILL BE THE LAST STATEMENT ON THIS EVENT.

$$

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at Sep 5, 1:22 PM AKDT, 4 hours 51 minutes earlier.

Area forecast discussion, Sep 5, 1:22 PM AKDT, 4 hours 51 minutes before
SOUTHEAST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JUNEAU AK
122 PM AKDT SAT SEP 5 2009

.SHORT TERM...LATEST SATELLITE LOOP SHOWS A WEAK LOW DEVELOPING
OVER DIXON ENTRANCE WITH A WEAK TROUGH STRETCHING NORTHWEST ALONG
THE PANHANDLE COAST TO YAKUTAT BAY. NORTH OF THE
TROUGH...PRESSURE GRADIENT REMAINS TIGHT WITH SMALL CRAFT
NORTHERLY WIND ACROSS THE NORTHERN LYNN CANAL. A PARENT LOW WELL
SOUTH-SOUTHWEST OF THE QUEEN CHARLOTTES CONTINUES DRIFTING EAST
TOWARDS BRITISH COLUMBIA COAST. THIN HIGH CLOUDS ACROSS THE
NORTHERN TWO THIRD OF THE PANHANDLE FILTER OUT SUNSHINE WITH
TEMPERATURES SLOWLY RISING INTO THE UPPER 50S TO THE LOWER 60S.

 MODELS ARE IN FAIR AGREEMENT WITH THE WEAK LOW PRESSURE SYSTEM
REMAINING ACROSS THE EASTERN GULF THROUGH SUNDAY NIGHT. THE
ASSOCIATED WEAK WEATHER FRONT WILL DRIFT NORTHWARD ACROSS THE
PANHANDLE TONIGHT AND SUNDAY WITH CHANCE POPS. THE LEADING EDGE
OF THE CHANCE POP WILL REACH THE YAKUTAT AREA BY SUNDAY
AFTERNOON. ALONG WITH THE LEADING EDGE OF THE FRONTAL
BOUNDARY...NORTHERLY SMALL CRAFT WINDS WILL REMAIN ACROSS THE
NORTHERN INNER CHANNELS THROUGH TONIGHT. BREEZY CONDITION IS
EXPECTED OVER THE SKAGWAY AND HAINES AREAS THIS EVENING AS WELL.
-AHN

.LONG TERM...
12Z OPS MODELS AND NCEP ENSEMBLE SYSTEM IN RELATIVELY GOOD
AGREEMENT THAT THE UPR LOW WILL KICK OUT INTO CANADA AND A WEAK
UPR RIDGE WILL MOVE TO 140W BY 12Z MON FOR LOWER POPS INTO MON.
ALONG WITH THIS IS A FRAGMENTED ZONAL JET ROUGHLY 45-50N AND A
TROPICAL(EX-DUJUAN) LOW CENTER 38N 168E WHICH LUKS NASTY PROBLY
IN THE 980S. WILL USE 12Z OPS GFS TO GET THE UPR RDG TO 130W BY
12Z TUE THEN THE UNCERTAINTY PROBLMS BEGIN BUT STILL WET AFTER.

NCEPS ENSEMBLE SYSTEM 05/00Z RELATIVE MEASURE OF PREDICTABILITY
IS VERY HIGH FOR THE NORTHEASTERN PACIFIC AT 120 HOURS 091000Z.
THIS SETS UP SW FLOW ALF OVR SE ALASKA FOR RAIN. THATS THE EASY
PART. ON THE MARINE FCSTS BIG UNCERTAINTY IS DAY-5. OPS MODELS
ALL FCST A STORM OUT THERE SOMEWHERE BUT 12Z OPS AK-GFS IS WEAKER
AND FASTR FOR FURTHER E...WHILE 12Z ECMWF FCSTS STRONG STORM 954
MB SSW OF KODIAK. HPC SEEMS TO PREFER THIS POSN BUT MUCH LESS
STRENGTH. WILL USE THE HPC IDEA THIS SHIFT WITH THE CAVEAT THAT
TROPICAL SYSS REDUCE CERTAINTY IN SFC DETAILS IN CONTRAST W/RMOP
MENTIONED ABOVE. SO WILL BET ON WET TUE & BEYOND BUT WILL ONLY
SLGTLY TWEAK MID SHIFTS WIND DAYS-4 & 5. KEPT 0512Z OPS ECMWF IN
MIND ON THIS SET OF FORECASTS. STAY TUNED FOR THU AND FRI. ALWAYS
A CHANCE THAT A SLAMMER LIKE THIS ONE RECURVES IN THE ERN GULF.
-JC

.AJK WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...SMALL CRAFT ADVISORY FOR PKZ011>013.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 4:00 PM AKDTSmall Craft AdvisoryAJK12 hr
Sep 5, 9:00 PM AKDTSmall Craft AdvisoryAJK7 hr
Sep 6, 4:40 AM AKDTSmall Craft AdvisoryAJK4 hr

Nearby

Wind Advisories in Alaska, 2009Every wind advisory in 2009

Sources

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