Saturday, June23, 2018 L-36.com


Marine Weather and Tides
Clark Fork, ID

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 4:47AMSunset 8:51PM Friday June 22, 2018 9:07 PM PDT (04:07 UTC) Moonrise 3:19PMMoonset 1:58AM Illumination 73% Phase: Waxing Gibbous; Moon at 10 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 Clark Fork, ID
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location: 48.28, -116     debug


Area Discussion for - Spokane, WA
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Fxus66 kotx 222338
afdotx
area forecast discussion
national weather service spokane wa
438 pm pdt Fri jun 22 2018

Synopsis
An unstable and moist air mass will trigger more showers and
thunderstorms over the northern mountains this evening, while
windy conditions prevail near the cascades. A few showers may
linger into Saturday followed by warm and dry weather on Sunday.

A return of breezy conditions is likely on Monday followed by
cooler weather for much of next week.

Discussion
Tonight through Sunday... An active evening is on tap for the
northern reaches of the forecast area as an upper level trough
drops into the area from the northwest. This trajectory will
focus dynamic energy over the northern mountains... Where a moist
and unstable air mass continues to provide fuel for late afternoon
and evening thunderstorm development. Some of these storms may
break out into the northern columbia basin early this evening but
will probably be weakening as they move off the mountains for
mainly a passing shower threat over the basin north of highway 2.

Meanwhile in the deep basin and cascades lee areas breezy and
gusty conditions will prevail tonight as drier air pushes through
the cascade gaps and feeds into the basin from the west.

The upper level disturbance will transit the forecast area
tonight and then dive down the spine of idaho on Saturday
with a continuing shower threat mainly over the idaho panhandle
overnight tonight through much of Saturday... However the air mass
will be much more stable on Saturday for no more threat of
thunderstorms. Expect significant cloud cover over far eastern
washington on the edge of the deeper moisture wrapping into this
wave.

Sunday looks like the better of the two weekend days for outdoor
activities. A sharp upper level ridge will build into the
forecast area between the exiting disturbance to the east and a nw
developing trough out over the pacific. Under this dry and stable
rideg winds will be light and temperatures will crest well above
normal with plenty of sunshine on Sunday. Fugazzi
Sunday night through Friday: the inland NW will see limited
precipitation chances, with occasionally breezy conditions which
may lead to some fire weather concerns. Another shortwave moves in
between Sunday night and Tuesday, with the best threat for
possible impacts Monday. Shower chances come to the cascades
through okanogan highlands Sunday night. Then Monday a combination
of convective instability (cape) and limited moisture will bring
a threat of showers and thunderstorms to the northern mountains. I
added a slight risk to the northeast columbia basin through the
c'da area too. The risk shifts largely out of the region by
Tuesday, except for extreme north idaho. The other possible impact
will be winds with the passing shortwave for Monday. Right now
that looks like the breeziest day of the next week, with speeds in
the unsheltered areas roughly 10-20 mph with gusts to 30 mph. The
breezy conditions and lower humidities on Monday may make for
some fire weather concerns, though in terms of critical thresholds
these values are not as yet looking to be met. Wednesday looks
relatively dry, as does at least early Thursday. Another system
slips toward the region later Thursday into Friday with another
broad shower threat and a localized thunderstorm threat. The best
risk for thunderstorms will be in the afternoon toward NE wa and
id panhandle, though it is too early to have much confidence in
those details. Expect slightly below normal temperatures as the
amplified ridge is knocked down. J. Cote'

Aviation
10z tafs: an unstable and moist air mass over the northern
cascades... Okanogan highlands and the mountains of northeast
washington and north idaho will interact with a short wave trough
moving across northern washington and idaho this afternoon for
scattered thunderstorms during the evening hours until around 06z.

The kgeg... Ksff and kcoe TAF sites will be on the southern edge
of this activity and may have thunderstorms in the vicinity
between 00z and 04z. Otherwise dry but breezy and gusty conditions
are expected at the remaining TAF sites with strongest winds at
keat as dry air continues to move into the columbia basin through
the cascade gaps tonight. Tc

Preliminary point temps pops
Spokane 55 76 57 84 61 78 20 10 0 0 10 20
coeur d'alene 55 73 55 83 59 77 40 20 10 0 0 20
pullman 53 71 53 82 58 74 10 10 0 0 0 0
lewiston 59 78 58 89 63 82 10 10 0 0 0 0
colville 54 79 53 86 56 80 60 10 0 0 10 40
sandpoint 55 69 52 82 57 76 40 30 10 0 0 20
kellogg 51 68 52 81 56 74 20 30 10 0 0 10
moses lake 56 84 54 90 60 82 0 0 0 0 10 10
wenatchee 59 80 57 89 61 77 0 0 0 0 10 10
omak 57 83 56 89 59 81 10 10 0 0 30 20

Otx watches warnings advisories
Id... None.

Wa... None.



Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sandpoint, Sandpoint Airport, ID30 mi72 minNNE 1010.00 miLight Rain57°F53°F88%1013.9 hPa

Wind History from SZT (wind in knots)
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Last 24hrCalmCalmS6N3CalmCalmCalmS3CalmSW3S3S3SW5S5S8SW7S10S12
G18
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G18
SW6NW14
G24
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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW8SW6S12S12
G17
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G20
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G17
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G16
S8SW6SW5CalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE4E3E6E4E5E5E5E5E5E5CalmCalm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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GOES 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 (0,6,7,8)
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Ground Weather Radar Station Spokane, WA
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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.