Wednesday, February19, 2020
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Marine Weather and Tides
Manson, WA

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 6:58AMSunset 5:31PM Wednesday February 19, 2020 2:56 AM PST (10:56 UTC) Moonrise 5:00AMMoonset 1:30PM Illumination 19% Phase: Waning Crescent; Moon at 25 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 Manson, WA
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location: 47.88, -120.08     debug


Area Discussion for - Spokane, WA
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FXUS66 KOTX 191020 AFDOTX

Area Forecast Discussion National Weather Service Spokane WA 220 AM PST Wed Feb 19 2020

SYNOPSIS. The remainder of the week will be dry with near average temperatures. We can expect a good deal of sunshine and relatively light winds through Friday. The arrival of a storm system over the weekend is expected to bring increasing chances for rain and snow, and gusty winds Sunday into Monday.

DISCUSSION.

Today through Thursday: Ridge of high pressure influences Eastern Washington and North Idaho through this period. The result will be dry weather with some low clouds and fog in a few lowland and valley locations during the overnight and morning hours. At the surface the thermal ridge axis will remain west of the Cascade crest and thus influence low level winds to make them prevail generally from the East. Sunshine during the day with efficient radiational cooling during the nighttime hours will allow for high temperatures near normal with overnight lows more on the cool side of what would be considered normal. /Pelatti

Thursday Night and Saturday: The ridge has exited the region and a zonal flow pattern is positioned over the Pacific Northwest. The ridge flattens and shifts the flow pattern to West to East zonal. A weak dry shortwave will push through the region. The Cascade Crest could get some spill over moisture from Western WA but not lot impacts expected form it. temperatures are expected to be similar to past couple of days.

Saturday Night and Sunday: A deeper trough will begins push inland form the coast and carry a Low through Southern BC with decent push of moisture with it. Models are in fairly good agreement with the track of the Low but differ on the timing. The GFS is bringing the Low into the region overnight. The EC is carrying it through the region Sunday afternoon. The timing difference is keeping the confidence of precip type for the Basin low. As of now it will be a snow event for the mountains and areas North of HWY 2 for Washington and the North IDaho Panhandle. If during the day, it will be mainly a rain event for the Basin and Valley locations. Early estimates of accumulations show the Basin and Valley locations receiving around an inch or two. The Cascades are to receive the most with around a foot for the crest and 4 to 8 inches for the midlevel areas around 3500ft. The Idaho Panhandle mountains can expect 6 to 10 inches. With this wave, the gradient is expected to tighten and bring breezy winds to the Basin with potential gusts into the low 30s MPH across the Basin. With the region being in the warm sector of the Low, temperatures are expected to nudge higher. Highs for the period will be in the 40s and low 50s. Overnight lows will be in the 30s for the Basin and 20s for the Northern valleys and higher terrain.

Monday through Wednesday: The period starts off with lingering snow mountain snow showers as the Low exits the region through Monday morning. A ridge will build along the coast and bring another dry period as high pressure influences the Inland Northwest. Outside of some isolated mountain showers, the pattern is fairly quiet. Highs for the period will be in the 40s and low 50s. Overnight lows will be in the 30s for the Basin and 20s for the Northern valleys and higher terrain. /JDC

AVIATION. 06Z TAFs: This set of TAFs is pretty straight forward. Strong subsidence will suppress cloud development over the next 24-36 hours as high pressure builds over the Inland Northwest. With surface dewpoints in the teens, it will be too dry for anything more than patchy fog in sheltered valleys. Several of our TAFs are only one line with clear skies and light winds. /GKoch

PRELIMINARY POINT TEMPS/POPS. Spokane 41 20 43 22 44 27 / 0 0 0 0 0 0 Coeur d'Alene 40 18 43 21 43 27 / 0 0 0 0 0 0 Pullman 40 25 43 27 44 30 / 0 0 0 0 0 0 Lewiston 45 27 48 30 50 34 / 0 0 0 0 0 0 Colville 41 15 43 19 42 24 / 0 0 0 0 0 0 Sandpoint 36 17 40 19 39 25 / 0 0 0 0 0 0 Kellogg 38 18 40 23 42 27 / 0 0 0 0 0 0 Moses Lake 46 24 46 25 47 29 / 0 0 0 0 0 0 Wenatchee 42 24 43 27 45 30 / 0 0 0 0 0 0 Omak 39 21 41 24 42 28 / 0 0 0 0 0 0

OTX WATCHES/WARNINGS/ADVISORIES. ID . None. WA . None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wenatchee - Pangborn Memorial Airport, WA33 mi61 minNW 610.00 miFair27°F17°F66%1031.1 hPa

Link to 5 minute data for KEAT

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Last 24hrW5W6W7W6NW5W9W5W9W7W6W5W4W4CalmSW4CalmW3NW4NW3W3CalmW3NW3NW6
1 day agoSW7W4CalmE3NW4N5NW4W8W11W14NW14
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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

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Wind Forecast for Spokane, WA (5,6,7,8)
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Ground Weather Radar Station Spokane, WA
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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.