Tuesday, June19, 2018 L-36.com


Marine Weather and Tides
Ponderay, 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 4:46AMSunset 8:50PM Tuesday June 19, 2018 7:15 AM PDT (14:15 UTC) Moonrise 11:51AMMoonset 12:42AM Illumination 36% Phase: Waxing Crescent; Moon at 6 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 Ponderay, ID
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location: 48.36, -116.55     debug


Area Discussion for - Spokane, WA
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Fxus66 kotx 191212
afdotx
area forecast discussion
national weather service spokane wa
500 am pdt Tue jun 19 2018

Synopsis
Showers will persist through mid week with slow moving and wet
thunderstorms possible in the afternoon and evening. Temperatures
will peak on Wednesday and Thursday with highs in the 80s to low
90s and then moderate into next weekend.

Discussion
Today through Wednesday: low pressure will being to pull away
today. Moisture wrapping around the low will continue to impact
the panhandle with isolated thunderstorms possible over the
central panhandle mtns this afternoon. CIN will also be weak over
the cascades with isolated thunderstorms possible near the
cascade crest. Any thunderstorms that develop will be slow moving
and contain heavy rainfall. Thunderstorm coverage will be a bit
greater on Wednesday with best chances expected over the east
slopes of the east slopes of the northern cascades and the
okanogan highlands. Storms will again be slow moving and very wet.

Flash flooding will be a potential hazard with Wednesday seeing a
higher threat than today. Wednesday will be the warmest day of the
week with highs in the 80s to low 90s for our warmest locations
such as omak, wenatchee, and moses lake. Svh
Wednesday night through Thursday... The persistent sopping wet
easterly flow of the last few days will transition to a
progressive westerly and pacific origin flow regime Wednesday
night and Thursday. Wednesday evening will see a continuation of
Wednesday afternoon's convection focused over the cascades and
okanogan highlands during the evening... With potentially slow
moving heavy rain producing cells worth monitoring closely for
flash flood potential.

Overnight Wednesday and into Thursday morning a pacific short
wave will transit the forecast area. Even after dark elevated
instability and plenty of moisture will be subject to lifting with
relatively weak but none-the-less present synoptic forcing
associated with this wave. Expect nocturnal thunderstorms... At
least on an isolated basis... To form over the columbia basin and
track eastward during the night. On Thursday a pacific marine push
will promote a more widespread thunderstorm threat over most of
the forecast area... With the cascades and far western basin
possibly stabilizing enough in the post frontal air mass to be
spared... But also subject to increasingly breezy and gusty
conditions during the day especially near the cascade gaps. The
main action will likely be focused over the eastern columbia basin
and the mountains north and east of the basin with isolated
elevated thunderstorms in the morning... Becoming increasingly
surface based and scattered in coverage during the day. Steering
flow by this time will give these storms some forward
momentum... Still heavy rain capable but a slightly lower threat of
flash flooding due to cell movement. Small hail and local gusty
outflow winds may also develop but overall the potential for any
severe storms looks minimal at this time... Still... Thursday looks
like the most active and rowdy weather day of the upcoming week.

Thursday night through Monday... A fast and progressive westerly
flow regime will take hold during this period with a series of
short wave ridges and fast moving short wave troughs through the
weekend and into early next week. Right now it does not look like
any of the transient systems will amount to much precipitation-
wise outside of the usual orographically susceptable
locations... But occasionally breezy conditions and temperatures
closer to (but still slightly warmer than) seasonal normal under
variably cloudy skies will characterize this period. At this
time... And in this progressive flow regime this timing is only
moderate confidence... Friday looks like a dry ridge day... Saturday
a trough passage with unsettled conditions... .Sunday dry... And
Monday another trough arrival and passage which looks like a
breezy dry cold front pattern. Fugazzi

Aviation
12z tafs: low stratus will continue to plague kpuw this morning.

Cigs will hover right around their minimums at 500 ft agl. Expect
the low clouds to break up late this morning with conditions
becoming MVFR as cumulus develops through early afternoon. Isolated
thunderstorms will be possible over the central panhandle mtns and
over the northern cascades. However, any thunderstorms that develop
are not expected to impact the TAF sites. Svh

Preliminary point temps pops
Spokane 81 60 84 61 81 58 10 10 0 10 50 40
coeur d'alene 80 57 84 59 79 56 10 10 0 10 50 40
pullman 75 56 81 59 76 55 20 10 0 10 60 40
lewiston 80 60 87 64 83 60 10 20 10 20 60 40
colville 86 58 87 58 85 55 10 0 10 10 30 40
sandpoint 79 57 82 57 79 56 20 10 10 10 50 50
kellogg 73 54 80 57 76 53 20 30 10 10 60 60
moses lake 87 59 91 63 88 56 10 0 0 30 20 10
wenatchee 87 66 89 66 86 59 0 0 20 20 10 10
omak 90 64 90 62 89 57 0 0 20 40 20 10

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, ID4 mi20 minN 010.00 miMostly Cloudy61°F48°F63%1019.6 hPa

Wind History from SZT (wind in knots)
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Last 24hrN16
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N13NE13NE11NE11NE11N9NE8N6E4Calm
1 day agoN15
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2 days agoN10
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G20

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Spokane, WA (10,2,3,4)
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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.