Sunday, February17, 2019 L-36.com


Marine Weather and Tides
Golovin, AK

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 8:33AMSunset 5:53PM Sunday February 17, 2019 6:42 PM AKST (03:42 UTC) Moonrise 2:22PMMoonset 8:39AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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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PKZ200 Norton Sound- 144 Pm Akst Sun Feb 17 2019
.brisk wind advisory in effect through early this afternoon...
Tonight..SW winds 15 kt.
Mon..W winds 15 kt.
Mon night..W winds 15 kt.
Tue..W winds 10 kt.
Tue night..E winds 20 kt.
Wed..E winds 30 kt. Blowing snow. Vsby 1 nm or less.
Wed night..S winds 30 kt.
Thu..W winds 20 kt.
Fri..SE winds 20 kt.
PKZ200 Norton Sound- 144 Pm Akst Sun Feb 17 2019
.brisk wind advisory in effect through early this afternoon...
Tonight..SW winds 15 kt.
Mon..W winds 15 kt.
Mon night..W winds 15 kt.
Tue..W winds 10 kt.
Tue night..E winds 20 kt.
Wed..E winds 30 kt. Blowing snow. Vsby 1 nm or less.
Wed night..S winds 30 kt.
Thu..W winds 20 kt.
Fri..SE winds 20 kt.


7 Day Forecast for Marine Location Near Golovin, AK
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location: 64.45, -162.87     debug


Area Discussion for -
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Fxak69 pafg 172257
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
157 pm akst Sun feb 17 2019

Discussion
A weather front moving across northern alaska through Monday will
bring snow and a chance of freezing rain through this evening
from russian mission to kaltag to fairbanks. Above normal
temperatures expected for much of northern alaska through
Wednesday.

Aloft, at 500 mb, a broad longwave trough remains over the western
bering sea and dateline. A low is 100 nm northwest of atka, and a
shortwave stretches from the chukotsk peninsula to st lawrence
island across the y-k delta to kodiak, and a ridge axis stretches
from the northwest territories across the yukon territory and
south across the gulf of alaska. The low north of atka moves
northeast tonight to be centered just east of st paul island by
Monday morning, while the southern portion of the shortwave
dampens and is absorbed into the general southwest flow of the
ridge. The northern portion of the shortwave deepens across the
chukchi sea and the seward peninsula Sunday night, with a closed
low developing over norton sound by early Monday morning. As the
low over the bering moves eastward during the day Monday, it will
move onshore Monday afternoon and become part of the shortwave
associated with the closed low over the western brooks range. The
low and shortwave move eastward Monday night, with the low
centered 100 nm north of deadhorse by early Tuesday morning. The
low will weaken through the day Tuesday as it and the shortwave
slide eastward, exiting the state Tuesday evening. Behind the low
and shortwave, ridging will begin to build in across the bering
sea on Monday, with the axis moving eastward across the west coast
and western interior Tuesday and into the central and eastern
interior Wednesday.

Surface... A 996 mb low is located near stebbins this afternoon and
will move north tonight to be a 996 mb low near kotzebue by early
Monday, in turn deepening the leeside trough developing north of
the brooks range. The area of low pressure will lift north during
the day Monday with the elongated 996 mb center moving offshore
the eastern arctic coast Monday afternoon. By Tuesday morning, two
centers of low pressure will develop in the broad low, a 997 mb
low located 100 nm northeast of deadhorse, and a 1000 mb low
located 50 nm northeast of mackenzie bay. The low north of
deadhorse Tuesday morning will weaken and move east to be a 1011
mb low 150 nm north of demarcation point and the low that was
northeast of mackenzie bay will weaken to 1010 mb as it moves
onshore near CAPE dalhousie Tuesday afternoon.

A 974 mb low in the southern bering sea is 100 nm northwest of
atka. The low will weaken to 986 mb by early Monday morning as it
moves northeast to be 75 nm east of st george island, continuing
to quickly move east and weaken to be a 998 mb low centered near
dillingham Monday afternoon. The will continue to weaken Monday
night as it moves eastward into the gulf of alaska. Behind that
low, high pressure will build in over the eastern bering sea, west
coast and western interior Monday night and Tuesday, sliding
eastward across northern alaska Tuesday night and Wednesday, as
the next low moves into the bering sea.

Models... 12z model suite initialized well against the 12z raobs
and fair against the 12z surface obs. 12z surface obs were 2 to 3
mb higher than models with the high over the yukon flats. Models
are in fair agreement through about 24 hours, before beginning to
diverge greatly with the placement of features. By Tuesday, there
is as much as a 250 nm spread in placement of surface lows in the
bering sea, resulting in a wide range of solutions.

North slope and brooks range: above normal temperatures expected
through Wednesday. A low and a weather front moving across the
brooks range tonight will bring snow to the region, with best snow
chances and highest accumulations on the south facing slopes of
the range. A low will develop along the eastern arctic coast
Monday night, moving offshore Tuesday, while a weather front
associated with a low in the high arctic moves eastward, this will
bring increased winds to the eastern arctic coast and another
round of snow, with highest snowfall totals in the eastern brooks
range. The combination of the strong westerly winds and falling
snow, will likely lead to blowing snow, reducing visibility. A
winter storm watch remains in effect for zone 204 for possible
blizzard conditions Tuesday morning through Wednesday morning.

West coast and western interior: snow will taper off tonight and
Monday from the southwest to the northeast. The chance for
freezing rain continues through this evening from russian mission
to ruby and east. Snowfall amounts through Monday will be in the 1
to 3 inch range across much of the area, with higher amounts of 4
to 7 inches north of huslia. Quieter conditions are expected
Monday night and Tuesday, before the next storm system approaches
the y-k delta Wednesday.

Central and eastern interior: ahead of a weather front, strong
winds have developed in the alaska range with gusts to 65 mph
in the passes. Snow will accompany the front and spread northeast
this afternoon and through the overnight hours with snow
continuing into Monday morning. There is a slight chance of
freezing rain in zone 221 and zone 222 through this evening as
pockets of warmer air aloft move over the area. The window for
freezing rain looks to be brief with any freezing rain that
develops quickly switching over to snow as the air cools.

Snowfall totals through Monday will range from 1 to 2 inches for
the far eastern interior to pockets of 4 to 7 inches in the
favored upslope areas of the southeastern brooks range. Heavy snow
is also expected on the south side of the eastern alaska range.

Snow may linger into Tuesday as a weather system moves eastward
over the alaska range.

Coastal hazard potential days 3 and 4... None.

Afg watches warnings advisories
Winter storm watch for akz204.

Winter weather advisory for akz209-akz214-akz215-akz216-akz217-
akz218-akz219-akz221-akz222-akz225-akz226-akz227.

Brisk wind advisory for pkz200-pkz215-pkz220-pkz225-pkz240-
pkz245.

Feb 19


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Golovin, Golovin Airport, AK11 mi2.8 hrsE 160.75 miLight Snow Fog/Mist22°F19°F89%997.3 hPa

Wind History from AGL (wind in knots)
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Last 24hr----------------------3E20--NE25--E28------E27----E16
1 day ago------------E25
G33
--------------SE20S19----S14--S15S17----
2 days ago--------------------E23
G26
----E16--E18----------------

Tide / Current Tables for Carolyn Island, Golovnin Bay, Norton Sound, Alaska
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Carolyn Island
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Sun -- 06:39 AM AKST     0.10 feet Low Tide
Sun -- 09:37 AM AKST     Moonset
Sun -- 09:41 AM AKST     Sunrise
Sun -- 03:23 PM AKST     Moonrise
Sun -- 06:30 PM AKST     Sunset
Sun -- 09:03 PM AKST     2.13 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.20.90.60.40.30.20.10.10.10.20.20.30.30.40.60.81.11.41.71.92.12.12.11.9

Tide / Current Tables for North Bay, Stuart Island, Norton Sound, Alaska
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North Bay
Click for Map
Sun -- 04:58 AM AKST     0.15 feet Low Tide
Sun -- 09:26 AM AKST     Moonset
Sun -- 09:36 AM AKST     Sunrise
Sun -- 03:30 PM AKST     Moonrise
Sun -- 06:33 PM AKST     Sunset
Sun -- 07:22 PM AKST     3.33 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.80.50.30.20.20.20.30.40.40.50.60.91.21.62.12.52.93.23.33.33.12.62.1

Weather Map and Satellite Images
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GOES Local Image of Alaska    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Ground Weather Radar Station Nome, 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.