Friday, February22, 2019 L-36.com


Marine Weather and Tides
St. Michael, 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 8:18AMSunset 6:07PM Friday February 22, 2019 7:18 AM AKST (16:18 UTC) Moonrise 11:03PMMoonset 9:33AM Illumination 89% Phase: Waning Gibbous; Moon at 18 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- 357 Am Akst Fri Feb 22 2019
.gale warning in effect from early this afternoon through late this afternoon...
Today..SE winds 35 kt. Freezing fog. Snow.
Tonight..S winds 30 kt. Freezing fog and blowing snow. Vsby 1 nm or less.
Sat..SE winds 30 kt. Freezing fog and blowing snow. Vsby 1 nm or less.
Sat night..SE winds 25 kt. Blowing snow.
Sun..SE winds 30 kt. Freezing fog. Snow.
Sun night..W winds 20 kt.
Mon..E winds 15 kt.
Tue..E winds 15 kt.
PKZ200 Norton Sound- 357 Am Akst Fri Feb 22 2019
.gale warning in effect from early this afternoon through late this afternoon...
Today..SE winds 35 kt. Freezing fog. Snow.
Tonight..S winds 30 kt. Freezing fog and blowing snow. Vsby 1 nm or less.
Sat..SE winds 30 kt. Freezing fog and blowing snow. Vsby 1 nm or less.
Sat night..SE winds 25 kt. Blowing snow.
Sun..SE winds 30 kt. Freezing fog. Snow.
Sun night..W winds 20 kt.
Mon..E winds 15 kt.
Tue..E winds 15 kt.


7 Day Forecast for Marine Location Near St. Michael, AK
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location: 63.62, -162     debug


Area Discussion for -
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Fxak69 pafg 221424
afdafg
northern alaska forecast discussion
national weather service fairbanks ak
524 am akst Fri feb 22 2019

Discussion
An active weather pattern is expected into next week along the
west coast as a series systems move northward through the bering
sea. A strong ridge of high pressure will build north over the
interior over the weekend resulting is a relatively quiet weather
pattern for the interior through much of next week.

Aloft, at 500 mb, a ridge that stretches from prudhoe bay to
bristol bay is currently the dominant feature over much of the
area. A shortwave trough will move north along the west side of
the ridge today before turning east as it moves over the top of
the ridge on Saturday. Saturday night the ridge over the interior
will intensify, with the ridge currently expected to persist
through much of next week. The next shortwave trough will move
north through the bering sea on Sunday, with several additional
shortwaves expected to move north through the bering next week.

Central and eastern interior: a weather front that is associated
with a low in the bering sea will bring chances for snowfall this
evening into early Saturday to areas north and west of fairbanks.

Any snow accumulation is expected to be light, generally under an
inch. The ridge will build north and and strengthen Saturday
night, with the ridge expected to persist for most of next week.

With this ridge in place, we currently aren't anticipating any
precipitation for the interior Saturday night through the end of
next week. For the interior, the main forecast challenge will be
temperatures. A warming trend is expected over the next few days
with warmer air aloft moving north; however, it seems like a lot
of the guidance is a bit too warm on the temperatures, especially
in valley locations, such as fairbanks, where we will have to
overcome a strong inversion that will develop overnight.

West coast and western interior: a front associated with a low
moving north over eastern russia will bring strong winds, snow
and blowing snow to the west coast today into tonight. 6 to 12
inches of snow is expected to fall over the southern half of the
seward peninsula as well as in the upslope areas of zones 208 and
217 with this system. With temperatures warming aloft, there is a
chance that freezing rain could mix in with the snow tonight into
early Saturday from the bering strait south. The strong winds
will not get a chance to die down before a second low moves north
through the bering sea on Saturday into Saturday night. The
inherited winter storm warnings and winter weather advisories for
the west coast look to be in good shape. In addition, I opted to
add a winter storm warning for zone 210 for expected heavy
snowfall, especially in the preferred upslope areas in the
southern part of the zone. The winds will die down on Sunday.

Another low will move north through the bering sea Sunday night;
however, at this point, the models disagree on the exact track of
the low. An unsettled pattern is expected to continue for the
west coast for most of next week.

North slope and brooks range: the pressure gradient will tighten
up across the brooks range as a trough strengthens on the north
side of the range this evening. This will cause gusty southerly
gap winds to develop resulting in blowing snow. The strongest
winds are expected to the west of the dalton highway. The winds in
the brooks range will die down Saturday evening. A front will
bring snowfall as is moves from west to east across the arctic
coast tonight into Saturday. Up to two inches of accumulation is
expected.

Coastal hazard potential days 3 and 4... Strong south winds will cause
sea levels to rise along the west coast south of the bering
strait tonight into Saturday. We will need to keep an eye on this
for potential flooding south of the bering strait Saturday, with
the yukon delta as the most vulnerable spot.

Afg watches warnings advisories
Winter storm warning for akz207-akz208-akz209-akz211-akz213-
akz217.

Winter weather advisory for akz206-akz212-akz214.

Gale warning for pkz200-pkz210-pkz215-pkz220-pkz225.

Brisk wind advisory for pkz210-pkz215-pkz220-pkz225.

Feb 19


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St Michael, AK11 mi22 minS 23 G 2910.00 miOvercast and Windy30°F25°F82%1018.1 hPa

Wind History from AMK (wind in knots)
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Last 24hrS13S13S12S15S16SW17SW15SW16SW16--SW14SW14SW14S10S9S6S12S11S15S20
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SE17S16S13S16SE12SE13SE10S12S11S12S9
2 days agoSW8SW9SW4SW9S6CalmE11E12E15E13E14E16E13E13E19E19E14E15
G23
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G22
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G29
E39
G45
E34
G44

Tide / Current Tables for St. Michael, Alaska
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St. Michael
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Fri -- 07:14 AM AKST     0.28 feet Low Tide
Fri -- 09:17 AM AKST     Sunrise
Fri -- 10:32 AM AKST     Moonset
Fri -- 01:31 PM AKST     2.11 feet High Tide
Fri -- 05:22 PM AKST     1.60 feet Low Tide
Fri -- 06:47 PM AKST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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43.73.12.31.50.90.50.30.30.611.51.92.12.11.91.71.61.61.82.12.52.93.3

Tide / Current Tables for North Bay, Stuart Island, Norton Sound, Alaska
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North Bay
Click for Map
Fri -- 06:51 AM AKST     0.20 feet Low Tide
Fri -- 09:19 AM AKST     Sunrise
Fri -- 10:34 AM AKST     Moonset
Fri -- 01:09 PM AKST     1.52 feet High Tide
Fri -- 05:00 PM AKST     1.15 feet Low Tide
Fri -- 06:48 PM AKST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.82.521.40.90.50.30.20.30.50.81.21.41.51.51.31.21.11.21.41.61.92.22.5

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Bethel, 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.