Thursday, February20, 2020
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Marine Weather and Tides
Barrow, AK

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 8:29AMSunset 5:39PM Thursday February 20, 2020 5:24 PM AKST (02:24 UTC) Moonrise 12:00AMMoonset 12:00AM Illumination 7% Phase: Waning Crescent; Moon at 27 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- 250 Pm Akst Thu Feb 20 2020
Tonight..NE winds 15 kt.
Fri..E winds 15 kt.
Fri night..E winds 10 kt.
Sat..SW winds 10 kt.
Sat night..W winds 15 kt.
Sun..S winds 15 kt.
Sun night..S winds 10 kt.
Mon..S winds 15 kt.
Tue..N winds 10 kt.
PKZ200 Norton Sound- 250 Pm Akst Thu Feb 20 2020
.brisk wind advisory in effect through early Friday morning...
Tonight..N winds 25 kt. Blowing snow. Vsby 1 nm or less.
Fri..NW winds 20 kt.
Fri night..NW winds 15 kt.
Sat..SW winds 10 kt.
Sat night..S winds 15 kt.
Sun..S winds 15 kt.
Sun night..S winds 15 kt.
Mon..E winds 15 kt.
Tue..NE winds 25 kt.


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 202340 AFDAFG

Northern Alaska Forecast Discussion National Weather Service Fairbanks AK 240 PM AKST Thu Feb 20 2020

SYNOPSIS. Snow and blowing snow on the West Coast will diminish late tonight and Friday morning with blizzard conditions near Shaktoolik expected to diminish this evening. Winds through the Alaska Range Passes continue to diminish as light snow moves into the Western and Central Interior through Friday night.

DISCUSSION. A strong storm near Kodiak Island will continue to push north and east into the Eastern Interior on Friday and over the northeastern Interior on Saturday. This will spread snow over the Western Interior this evening and into the Central Interior Friday and the Eastern Interior Friday night and Saturday. Expect 2 to 4 inches over the West Coast and Western Interior and 1 to 3 inches over the Central and Eastern interior into Saturday. A cold airmass will push into Northern Alaska along the West Coast and Western Interior on Friday and into the Central and Eastern Interior Saturday and Sunday.

Aloft at 500 mb a deep longwave trough over the Central Bering Sea and a longwave ridge over the Yukon will slowly drift east through the weekend with the trough axis pushing east over the West Coast of Alaska and the Upper level ridge pushing east into the Northwest Territories. As the tough axis pushes east over the West Coast a cold airmass will push south and east into Northern Alaska. 850 mb temperatures at Fairbanks currently near 5 below will drop to 8 below on Friday morning and 14 below on Saturday and near 24 below on Sunday and Monday. An upper level ridge begins to build back in over the Eastern Bering Sea and Western Alaska on Monday and will bring warmer temperatures to these areas on beginning Monday, however cold temperatures are likely to persist in Interior Valleys into the middle of next week.

On the surface, a weak low pressure system that was near Kotzebue this morning has weakened into a trough and continues to move north this evening into the southern Chukchi Sea where it will be absorbed by an 1000 mb low just east of Wrangel Island. A mix of low ceilings, fog and light snow will continue through Friday afternoon over the North Slope as the trough pushes north of the Coast. A 985 mb low over south central Alaska will continue to weaken as is pushes north and east into the Northeastern Interior tonight. As the low pushes north and east light show will push north and east along with the low over the Interior. The heaviest snow will fall over the YK Delta and Western Interior where 2 to 4 inches of snow is expected to fall through Friday night and 1 to 3 inches of snow is expected to fall in the Central interior with the heaviest snowfall expected north and west of Fairbanks. Generally less than 1 inch of snow is expected to the south and east of Fairbanks. High pressure builds east out of the Bering Strait and into the Western Interior Saturday and pushes into the Central and Eastern Interior on Sunday. Temperatures in the 20s today over the Central interior will fall into the teens on Friday and into the single digits on Saturday. High temperatures in Fairbanks on Sunday will struggle to reach zero with low temperature dropping again into the 20s below and colder by Monday morning. Temperatures will slowly moderate by the middle of next week.

Models, The 12z model suite initialized fair in respect to feature location and track but lacked appropriate depth on the low moving east out of Bristol Bay into South Central Alaska and on the low in the Northwest Territories with the net affect being that the advertised gradient along the West Coast was stronger than advertised. We increased forecasted winds and lowered visibility forecasts in falling snow along the Bering Strait, Northern Bering Sea, the Southern Chukchi Sea as well as along the West Coast as a result. Winds in these areas are expected to decrease this evening as the low fills in as it pushes into the interior. Model spread between model families and from run to run is minimal in the short range and mid range and is reasonable in the long range.

Coastal Hazard Potential Days 3 and 4 . None.

AFG WATCHES/WARNINGS/ADVISORIES. Blizzard Warning for AKZ212.

Winter Weather Advisory for AKZ207-AKZ210-AKZ213-AKZ214.

Brisk Wind Advisory for PKZ200-PKZ210-PKZ215-PKZ220.

CCC FEB 20


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barrow, Wiley Post-Will Rogers Memorial Airport, AK3 mi32 minNE 75.00 miFog/Mist-14°F-18°F78%995.2 hPa

Link to 5 minute data for PABR

Wind History from ABR (wind in knots)
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Last 24hrNW6NW6NW5N8N8N6NW7NW7NW7NW5CalmE4E6E4NE4NE4NE4NE5NE8NE8NE8NE8NE8NE7
1 day agoNE20NE15NE14NE13NE13NE12NE10NE11NE7NE8NE8NE6NE6NE7N5N6N6N7N8N7N6N4NE4N3
2 days agoCalm--SE5CalmCalmNE7NE8NE10NE11NE10NE10NE11NE10NE14NE16NE16NE17NE17
G24
NE16NE20
G26
NE15NE18NE18NE18

Tide / Current Tables for Point Barrow, Alaska
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Point Barrow
Click for Map
Thu -- 12:04 AM AKST     0.26 feet High Tide
Thu -- 05:14 AM AKST     0.13 feet Low Tide
Thu -- 09:45 AM AKST     Sunrise
Thu -- 11:09 AM AKST     0.35 feet High Tide
Thu -- 05:34 PM AKST     Sunset
Thu -- 06:19 PM AKST     -0.01 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.30.20.20.10.10.10.20.20.30.30.40.30.30.20.10.10-0-000.10.20.2

Tide / Current Tables for
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Weather Map
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wmap_P
GEOS 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 Pedro Dome, AK
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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 numerous 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.