Sunday, August25, 2019 L-36.com


Marine Weather and Tides
Barrow, AK

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7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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Sunrise 6:04AMSunset 9:42PM Saturday August 24, 2019 8:39 PM AKDT (04:39 UTC) Moonrise 12:00AMMoonset 12:00AM Illumination 29% Phase: Waning Crescent; Moon at 24 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PKZ235 Point Franklin To Cape Halkett- 154 Pm Akdt Sat Aug 24 2019
Tonight..W winds 20 kt. Seas 6 ft. Fog, rain.
Sun..W winds 15 kt. Seas 5 ft. Fog.
Sun night..W winds 15 kt. Seas 5 ft. Fog.
Mon..W winds 15 kt. Seas 5 ft. Fog.
Mon night..N winds 10 kt. Seas 3 ft. Fog.
Tue..N winds 10 kt. Seas 3 ft. Fog.
Tue night..NW winds 15 kt. Seas 3 ft.
Wed..W winds 15 kt. Seas 3 ft.
Thu..N winds 10 kt. Seas 3 ft.
PKZ200 Norton Sound- 157 Pm Akdt Sat Aug 24 2019
Tonight..W winds 10 kt. Seas 3 ft.
Sun..W winds 10 kt. Seas 2 ft.
Sun night..SW winds 15 kt. Seas 3 ft.
Mon..SW winds 15 kt. Seas 3 ft.
Mon night..SW winds 20 kt. Seas 4 ft.
Tue..W winds 20 kt. Seas 5 ft.
Tue night..W winds 20 kt. Seas 4 ft.
Wed..W winds 10 kt. Seas 4 ft.
Thu..N winds 10 kt. Seas 2 ft.


7 Day Forecast for Marine Location Near Barrow, AK
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location: 71.25, -156.8     debug


Area Discussion for -
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Fxak69 pafg 242144
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
144 pm akdt Sat aug 24 2019

Synopsis
A strong low in the high arctic with a cold front stretching
southwest along the arctic coast of alaska will move east with the
front stretching out over the brooks range. West winds 20kt
across the arctic coast from utqiagvik east will weaken slowly
tonight as the front moves south. This front will bring mixed rain
and snow to higher elevations of the brooks range and may see
accumulations above 4000 ft, while the SE interior has isolated
showers.

A second low in NE russia will move east across the chukchi sea
mon, and then track east across the brooks range Mon night and
tue. This will bring more rain and snow to the brooks range, with
snow possibly accumulating above 4000 ft.

Aloft...

the long wave pattern consists of a deep long wave trough that
stretches from the high arctic south over mainland alaska and into
the gulf of alaska and a long wave ridge over the NW pacific and
the bering sea. The pattern becomes progressive with the ridge
building over southern alaska Mon through wed. This is causing
westerly flow over northern alaska with a series of short waves
moving east across the northern part of the state. This will keep
the interior mainly dry for the next several days, while it
remains wet from the brooks range north.

The ridge over southern alaska starts to break down next weekend
with flow turning more sw. For most of NRN alaska this means near
normal temperatures and scattered showers trending towards cooler
next weekend, and remaining wet over west coast of alaska.

A short wave trough extending from inuvik to northway will move
east tonight. There are scattered showers with this that will end
tonight.

A second short wave over NW alaska will move to anaktuvuk pass to
the the yukon delta, by 4am sun, to arctic village to bethel by
4pm sun, to old crow to denali by 4am mon, then to dawson to
northway by 4pm mon. Expect isolated showers along this trough
over the west coast and interior as it moves east.

A third short wave trough over eastern russia will move east to
the west coast of alaska by 4pm mon, to barrow to bethel by 4am
tue, and barter island to mcgrath by 4pm tue. Expect another batch
of isolated showers over the interior with this. This trough will
induce a surface low over the chukchi sea Mon that will move east
along the brooks range with the trough Mon night and tue. Will
address that weather in the surface section below.

Surface...

a 984 mb low 500 nm north of demarcation point will move east
tonight. A cold front stretching west from this low will move to
banks island to barter island to utqiagvik the west by 3am sun,
then to inuvik to point lay and west by 4pm sun, then move along
the brooks range by 4am Mon and remain quasi-stationary into tue.

Expect rain and fog along and south of the front, with snow mixed
with rain above 3000 ft in brooks range, and all snow above 4000
ft in the brooks range. Could see 1-2 inches accumulation each 12
hr period above 4000 feet in the brooks range over the next
several days. Expect much of the snow to melt during the day time.

There are west winds 20-25 kt along the front now that will drop
to 10-20kt on sun.

A low developing along the front in NE russia by 4am mon, will
move to 200 nm west of point hope as a 1003 mb low by 4am mon,
then to 100 nm west of point hope as a 1005 mb low by 4pm mon,
to anaktuvuk pass as a 1007 mb low by 4am tue, and to arctic
village as a 1006 mb low by 4pm tue. Expect -25-.40 inch of rain
with this low center Mon night and tue, with mixed rain and snow
above 3000 ft, and 1-2 inches of snow above 4000 ft. This will
cause winds to turn N 10-15 kt over the arctic coast Mon into tue,
and southwest 20-25kt over the west coast Mon night into tue.

Discussion
Models initialize well aloft and in general agreement through 4pm
mon. After that time, the ecmf and canadian models bring a
strong short wave east across the north slope, while the GFS and
nam keep the short wave farther NW over the chukchi sea. At this
time favor the GFS and NAM as they drop some of the short wave
energy south into the long wave trough over eastern russia, while
the ecmf and canadian take most of the energy east.

For precipitation, favor the GFS for the broader areal coverage
over the interior, but in the interior this will be the areal
coverage of low probability showers and be isolated to scattered.

At the surface at 15z, models verify well and show similar
solutions through 4am mon. After that time, the NAM is at least 6
mb deeper than the GFS and ecmf with a low moving east across the
north slope. At this time we favor the GFS and ecmf which keep
this low weaker, and track it east across the brooks range on mon
night and tue.

Bottom line is, we favor the GFS for winds everywhere, and favor
the GFS for areal coverage of low probability showers over the
interior.

Coastal hazard potential days 3 and 4...

elevated surf along the arctic coast will diminish tonight as
winds drop off.

Could see slightly elevated surf along the west coast Mon night
into Tue night.

Fire weather
Temps will be in the 50s and lower 60s, with min rh 35-45%, over
the next several days. Winds above 15 mph not expected until mon
pm. No thunderstorms expected.

Hydrology
River levels remain high but slowly falling across interior.

River may be rising slightly over the north slope next week.

Ground water levels remain high for much of the next week.

Most precipitation next week will be from the brooks range north.

Caution should be used on all waterways in the interior as trees
and other debris will continue to move downstream.

Afg watches warnings advisories
Small craft advisory for pkz240-pkz245.

Jb aug 19


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barrow, Wiley Post-Will Rogers Memorial Airport, AK3 mi47 minW 18 G 2610.00 miOvercast and Breezy45°F41°F86%1001.8 hPa

Link to 5 minute data for PABR

Wind History from ABR (wind in knots)
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Last 24hr--------W24
G28
W22W22NW22W17W21W19W19W20W21
G28
W21W20W21W18W21
G25
--W16W14W17
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1 day ago------------NW18
G24
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--NW16
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N10
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NW14--NW12W14W16
2 days ago----NW6----------N8N9N9N7----NW10NW10NW11NW10NW11NW12----W16--

Tide / Current Tables for Point Barrow, Alaska
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Point Barrow
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Sun -- 03:43 AM AKDT     0.05 feet Low Tide
Sun -- 05:57 AM AKDT     Sunrise
Sun -- 10:07 AM AKDT     0.21 feet High Tide
Sun -- 03:11 PM AKDT     0.14 feet Low Tide
Sun -- 09:29 PM AKDT     0.32 feet High Tide
Sun -- 10:53 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.10.10.100.10.10.10.20.20.20.20.20.20.10.10.10.20.20.20.30.30.30.3

Tide / Current Tables for
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Weather Map and Satellite Images
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GOES Local Image of Alaska    EDIT
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Ground Weather Radar Station Pedro Dome, AK
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.