Monday, December9, 2019
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Marine Weather and Tides
Klickitat, WA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:32AMSunset 4:16PM Monday December 9, 2019 3:20 AM PST (11:20 UTC) Moonrise 3:08PMMoonset 4:39AM Illumination 94% Phase: Waxing Gibbous; Moon at 12 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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7 Day Forecast for Marine Location Near Klickitat, WA
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location: 46.09, -121.02     debug


Area Discussion for - Pendleton, OR
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FXUS66 KPDT 091044 AAA AFDPDT

Area Forecast Discussion . Updated National Weather Service Pendleton OR 244 AM PST Mon Dec 9 2019

Updated aviation discussion

SHORT TERM. Today through Wednesday night . A ridge of high pressure will be over the region today and into Tuesday. This will reinforce the low level inversions and keep stratus and fog trapped in the lower elevations, especially the Lower Columbia Basin. Some of the fog can be dense and severely reduce visibilities so a dense fog advisory is in effect through this morning for some areas. More fog and possibly dense fog can be expected tonight.

A weak frontal system will migrate through the ridge late Tuesday through early Wednesday. This will drag a band of precipitation across the forecast area. Once again this front does not have much cold air associated with it so overall snow levels remain around 3000 to 4000 feet. However, the usual cold pool banked up against the east slopes of the Washington Cascades will help lower snow levels down to around 2000 feet but any accumulations will be light. Precipitation will end over the eastern potion of the forecast area Wednesday morning and a temporary ridge of high pressure will rebuild over the region before the next system arrives late Wednesday from off the pacific Ocean. This system will have much more moisture associated with it so expect higher precipitation amounts. Snow levels continue to be high with snow in the mountains but rain in the lower elevations. Exception will continue to be along the east slopes of the Washington Cascades where the cold pool persists.

LONG TERM. Thursday through Monday . Models continue to be in good agreement showing an active weather pattern through Saturday, especially over Oregon. The best chance of rain and mountain snow will be Thursday as an area of steady light to moderate precipitation continues into Thursday evening. A brief break is expected late Friday afternoon before the next system approaches from the southwest. This weaker system is expected to mostly impact southern Oregon, but steady light rain and mountain snow is expected to develop Friday evening over the Deschutes Plateau. The precipitation is expected to spread eastward and slowly northward Saturday. A short-lived drying trend is expected to begin Sunday as an upper level ridge makes it's way over the area Monday. Daytime highs will be above normal Thursday and Friday but should hover around normal through the rest of the period. Earle

AVIATION. 12Z TAFs . Areas of fog producing IFR/LIFR conditions will continue through the morning KPDT, KALW, KPSC, KYKM, and KDLS. Conditions may improve briefly in the afternoon, especially KPSC and KDLS. The fog and low clouds will redevelop overnight. KRDM and KBDN may see some patchy morning fog dropping visibilities to MVFR. Winds will be less than 10 kts. Earle

PRELIMINARY POINT TEMPS/POPS. PDT 40 31 38 34 / 0 0 0 30 ALW 40 32 38 34 / 0 0 0 40 PSC 40 32 36 33 / 10 10 10 30 YKM 38 30 35 30 / 0 0 20 30 HRI 40 32 39 33 / 10 10 10 30 ELN 40 29 35 30 / 0 0 20 30 RDM 44 26 45 28 / 0 0 20 50 LGD 43 30 40 33 / 0 0 0 30 GCD 42 30 44 33 / 0 0 0 30 DLS 44 35 41 37 / 10 10 20 40

PDT WATCHES/WARNINGS/ADVISORIES. OR . Dense Fog Advisory until noon PST today for ORZ044-502-507.

WA . Dense Fog Advisory until noon PST today for WAZ026>029.



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Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Dalles Municipal Airport, WA33 mi28 minN 01.00 miFog/Mist42°F39°F92%1024.4 hPa

Link to 5 minute data for KDLS

Wind History from DLS (wind in knots)
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Last 24hrCalmCalmCalmSW4CalmSE3NE5NE6NE9E8NE8NE7NE8NE7NE6NE6NE6E5SE3CalmE3SW3CalmCalm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW3
2 days agoSE4CalmCalmCalmCalmCalmSE3CalmNE4E7CalmNE5NE6E5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Vancouver, Columbia River, Washington (dubious accuracy)
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Vancouver
Click for Map
Mon -- 12:31 AM PST     0.05 feet Low Tide
Mon -- 04:45 AM PST     Moonset
Mon -- 04:53 AM PST     1.34 feet High Tide
Mon -- 07:39 AM PST     Sunrise
Mon -- 07:54 AM PST     1.03 feet Low Tide
Mon -- 09:10 AM PST     1.06 feet High Tide
Mon -- 12:34 PM PST     0.54 feet Low Tide
Mon -- 03:15 PM PST     Moonrise
Mon -- 04:26 PM PST     Sunset
Mon -- 04:53 PM PST     1.91 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.10.10.40.91.21.31.21.111.110.80.60.60.91.41.81.91.71.41.210.90.6

Tide / Current Tables for
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Weather Map
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wmap_P
GEOS Local Image of PacificNorthwest    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
Wind Forecast for Pendleton, OR (6,6,7,8)
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Ground Weather Radar Station Pendleton, OR
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weather_mapweather_map weather_map

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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 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.