Sunday, January26, 2020
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Marine Weather and Tides
Seneca, OR

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 8:07AMSunset 5:50PM Sunday January 26, 2020 4:42 AM MST (11:42 UTC) Moonrise 9:40AMMoonset 7:52PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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 Seneca, OR
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location: 43.93, -118.64     debug


Area Discussion for - Pendleton, OR
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FXUS66 KPDT 261107 AFDPDT

Area Forecast Discussion National Weather Service Pendleton OR 307 AM PST Sun Jan 26 2020

SHORT TERM. Today through Tuesday Night . Unsettled weather will continue for the next few days. An upper low and trough off the British Columbia coast is pushing a cold front ashore and it will cross the area this morning with mainly light amounts of rain (less than a tenth of an inch) in much of the lower elevations though the Blue Mountain Foothills could get as much as 10 to 15 hundredths of an inch. The Blue Mountains could get as much as 4 tenths of an inch though snow levels are around 6000 feet, so most of this will be rain. The front will be moving quickly and will be out of the area by late this afternoon. The lower elevations will mostly dry this afternoon though a chance of rain will continue in the mountains. Snow levels will dropping behind the front to 5000 feet this afternoon and then to 3500 feet overnight. Precipitation amounts will be light and snow amounts less than an inch. An upper low and frontal system will start approaching the Washington coast Monday morning and as it moves into the area this will bring a chance of rain in the lower elevations and rain and snow likely in the mountains through Tuesday. Rain amounts will be up to a quarter inch in the lower elevations and up to 2 inches along the Cascade crest and up to an inch elsewhere in the mountains. Snow levels will start out around 3500 feet then rise to 5000 feet by the time the bulk of the precipitation arrives. Snow amounts look like they will stay below advisory amounts but this may change with later model runs. Tuesday night the trough will be crossing the area but models agree in having the lower elevations dry and a chance of rain and snow in the mountains which will taper off overnight. Snow levels will be around 4000 feet and up to another inch of snow will be possible. Temperatures will continue to be above normal with highs in the upper 40s to mid 50s in the lower elevations and in the mid 30s to mid 40s in the mountains.

LONG TERM. Wednesday through Saturday. Models in general agreement through the extended period with a westerly flow aloft continuing to push systems across the Pacific northwest. Timing of the fronts varies some but the overall trend will be continued mostly cloudy skies with periods of rain and high mountain snow. A fairly warm airmass will keep high temperatures in the 40s and 50s. Snow levels will be in the 4-6k foot range. With surface lows moving into southern BC occasional breezy conditions are possible. Outlook for days 8-10. All models have been consistent for several days now pushing a strong cold front through the area on Sunday. 850mb temps fall to near -8C Mon and Tue. This will bring a return to winter conditions the following week. 94

AVIATION. 12z tafs. Front moving across the region this morning with rain and lower ceilings. Clearing this afternoon after frontal passage with sct-bkn 040-070. Winds becoming southwesterly 10-15kt. 94

PRELIMINARY POINT TEMPS/POPS. PDT 52 38 51 43 / 80 20 40 60 ALW 54 40 52 45 / 90 20 30 70 PSC 55 39 51 44 / 60 10 30 60 YKM 51 33 45 35 / 60 20 40 70 HRI 54 38 50 42 / 60 10 30 60 ELN 44 32 40 33 / 70 20 40 80 RDM 51 34 50 38 / 40 20 50 50 LGD 44 33 42 36 / 90 30 40 70 GCD 47 33 44 37 / 80 20 60 60 DLS 51 39 46 40 / 60 40 60 70

PDT WATCHES/WARNINGS/ADVISORIES. OR . None. WA . None.

83/94/94


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burns Municipal Airport, OR29 mi49 minE 42.00 miLight Rain Fog/Mist36°F34°F93%1015.6 hPa

Link to 5 minute data for KBNO

Wind History from BNO (wind in knots)
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Last 24hrCalmE3NE4CalmCalmCalmE4NE4CalmN3E3N5W5CalmNW3NW5CalmCalmSE3CalmNW3W4NE4E4
1 day agoW4NW3CalmS6NE3CalmW3W6SW6W4W5SW3S3E5NE3W4CalmCalmNW3E3E4NE5CalmNE3
2 days agoCalmN5W5NW4NW4W3CalmCalmCalmNE3CalmE3E3NE5NW3CalmCalmCalmSW3W5NE5E3E4Calm

Tide / Current Tables for
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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 Boise, ID
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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 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.