Saturday, April20, 2019 L-36.com


Marine Weather and Tides
Buckland, 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 6:20AMSunset 9:36PM Saturday April 20, 2019 8:23 AM AKDT (16:23 UTC) Moonrise 11:04PMMoonset 5:54AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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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PKZ215 Kotzebue Sound- 353 Am Akdt Sat Apr 20 2019
Today..W winds 10 kt.
Tonight..W winds 10 kt.
Sun..N winds 10 kt.
Sun night..N winds 15 kt.
Mon..NE winds 15 kt.
Mon night..NE winds 15 kt.
Tue..NE winds 10 kt.
Wed..NE winds 5 kt.
PKZ200 Norton Sound- 353 Am Akdt Sat Apr 20 2019
.heavy freezing spray warning in effect from this evening through early Sunday morning...
Today..N winds 15 kt. Seas 1 foot.
Tonight..N winds 15 kt. Seas 1 foot. Heavy freezing spray.
Sun..N winds 20 kt. Seas 2 ft. Heavy freezing spray.
Sun night..N winds 25 kt. Seas 3 ft. Heavy freezing spray.
Mon..N winds 25 kt. Seas 2 ft. Heavy freezing spray.
Mon night..N winds 15 kt. Seas 2 ft. Freezing spray.
Tue..W winds 5 kt. Seas 1 foot.
Wed..NW winds 10 kt. Seas 1 foot.


7 Day Forecast for Marine Location Near Buckland, AK
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location: 66.13, -161.87     debug


Area Discussion for -
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Fxak69 pafg 201400
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
600 am akdt Sat apr 20 2019

Discussion
A relatively quiet day is expected today across most of the area.

We will still see a few snow showers at times today in the
interior (mainly north and west of fairbanks), as well as over the
north slope. Most of the day on Sunday looks to continue the
quiet weather trend. We will begin to see a more active pattern
Sunday evening through Tuesday. The models are in good agreement
out through Tuesday with the overall synoptic scale pattern.

Central and eastern interior: a northward moving shortwave will
bing snow showers to parts of the interior today. These snow
showers will generally be confined to areas north and west of
fairbanks as well as in the alaska range. New snowfall amounts
will generally be in the one to three inch range with the heaviest
amounts in the alaska range as well as in areas just south of the
brooks range. For fairbanks and areas to the southeast, today
will be a little bit warmer than yesterday. A surface low that
will move north over the alaska range this morning will cause
southerly gap winds to pick up in the alaksa range. We expect
gusts of 25 to 35 mph near passes this morning with the winds
diminishing this afternoon. A ridge aloft will build over the
interior limit precipitation on Sunday. The ridge will also bring
warmer temperatures to most locations for Sunday (when compared
to today). Sunday evening, a surface low that is currently located
in the gulf of alaska will move north of the alaska range. This
low looks to be around 985 mb as it passes over the range near
mcgrath. Strong east to northeasterly winds will develop as the
low moves over into the interior. Wind gusts as high as 40 mph are
not out of the question over parts of zones 219, 220 and 221.

Given the recent recent snowfall, there is some potential for
blowing snow to develop in the windy areas; however, this will
likely be limited by the above freezing temperatures that are
expected during the day on Sunday. I will hold off on issuing any
products for now given that the NAM is showing slightly lower
values for the winds than the gfs. The winds will die down during
the day on Monday. A surface low will move from the gulf of alaska
into the upper tanana valley late Monday before moving to the
north along the canadian border Monday night. Precipitation
associated with this system will spread north and west across much
of the central and eastern interior Monday evening. The
precipitation will may start off as rain in lower elevations
Monday evening; however, it will change over to snow by late
Monday night as colder air moves overhead. The GFS and ECMWF are
both showing the potential for significant precipitation with this
system. The NAM solution is drier than the GFS and the ECMWF and
it moves the precipitation through quicker. The GFS and the ecmwf
are showing good run to run consistency with handling this event.

As the surface low moves to the north it will cause gap winds to
kick up in the eastern alaska range. We will have to keep an eye
on this disturbance as it continue to develop.

North slope and brooks range: a shortwave that is bringing snow
showers to the brooks range early this morning will move to the
north during the day today. This shortwave will bring snow showers
to the arctic coast during the afternoon today. Up to an inch of
snow is expected along the coast today, primarily to the west of
deadhorse. A second shortwave will bring one to three inches of
snow to the brooks range tonight, with the heaviest snowfall on
the south side of the range. A low moving to the north through
the interior will cause strong northerly gap winds to develop
Sunday night. Strong northeasterly winds will develop on Monday
across the chukchi sea coast as the aforementioned low continues
to move to the northwest.

West coast and western interior: northerly flow will bring some
fog and stratus to areas along the coast today, primarily to
capes and north facing coasts. A shortwave will move to the north
today bringing snow showers to the western interior. Up to two
inches of snow is possible with these showers; however, most of
the snow will fall east of galena. A surface low will push into
the central interior Sunday evening. This will bring snow to the
yukon valley (west of galena). The low will continue to track to
the north and west reaching norton sound by Monday morning. The
lower yukon valley will see 3 to 6 inches of snow late Sunday into
Monday. The eastern coast of norton sound will see around two
inches as the low passes over. As the low moves across the area
Sunday night, the winds across much of the west coast and western
interior will increase. Winds may reach advisory levels across
much of the northwest interior. Blowing snow will likely be an
issue early Monday across the lower yukon valley and the over the eastern
coast of norton sound. On Monday, gale force winds are expected
over the southern chukchi sea, through the bering strait southward
to st. Lawrence island. The strongest wind will mostly remain out
over the ocean; however, we do expect the strong winds on st.

Lawrence island, diomede and the coast of the bering strait. Winds
will die down from east to west late Monday as the surface low
tracts off to the west. A weather system will spread snowfall into
the western interior from the east late Monday with snowfall
continuing into Tuesday. This system has to bring two to 4 inches
of snow to areas from galena east. There is currently a little bit
of uncertainty with this system, with the NAM being a bit drier
of a solution than the GFS or the ecmwf. We will have to continue
to monitor this system.

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

Fire weather
Drier conditions and warmer temperatures expected across the
interior today. Minimum rh will range from 20-30 percent south
and east of fairbanks and 30 to 50 percent north and west of
fairbanks today and Sunday. Humidity levels over all of the
interior as significant precipitation into the interior.

A surface low will move north into the western interior Sunday
afternoon. This will cause strong southerly gap winds to develop
in the alaska range with gusty southerly winds expected near
delta junction the winds will be combined with low rh values near
delta junction for a period of time Sunday afternoon. We will
need to monitor this area.

Hydrology
Cooler than normal temperatures over the eastern interior will
continue through the weekend and into next week slowing the
breakup process; however, extreme caution should be used crossing
any of the interior rivers as the ice continues to rot and be
eroded from below, and any runoff will be moving into the mainstem
rivers. Caution should also be used on lakes as the ice melts at
different rates.

Afg watches warnings advisories
Heavy freezing spray warning for pkz200-pkz210.

Apr 19


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Buckland, Buckland Airport, AK41 mi27 minWNW 67.00 miLight Snow12°F8°F84%1010.1 hPa

Wind History from ABL (wind in knots)
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Last 24hrCalmSW3Calm--NW6NW10NW10NW11NW10NW10NW9NW9NW9NW6NW6NW8CalmW7W10W11W9W7W6NW6
1 day agoNW3NW7NW4W4N5N9N8N10N9NW11NW9NW6NW6NW3CalmE3CalmE3CalmCalm--SE3S4Calm
2 days agoCalmE3E5CalmSE3SE6SE5S4SE53CalmCalm--NW6NW5W3NW3CalmCalm--CalmNW5CalmNW5

Tide / Current Tables for Kiwalik, Kotzebue Sound, Alaska
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Kiwalik
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Sat -- 02:58 AM AKDT     -0.01 feet Low Tide
Sat -- 06:46 AM AKDT     Sunrise
Sat -- 07:53 AM AKDT     Moonset
Sat -- 09:20 AM AKDT     3.01 feet High Tide
Sat -- 03:35 PM AKDT     -0.45 feet Low Tide
Sat -- 10:04 PM AKDT     2.54 feet High Tide
Sat -- 10:48 PM AKDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.50.70.2-00.20.71.42.12.732.92.51.70.90.1-0.4-0.4-0.10.51.21.92.42.52.4

Tide / Current Tables for
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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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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.