Friday, February22, 2019 L-36.com


Marine Weather and Tides
Ronald, WA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:52AMSunset 5:38PM Friday February 22, 2019 7:40 PM PST (03:40 UTC) Moonrise 9:50PMMoonset 8:55AM Illumination 86% Phase: Waning Gibbous; Moon at 18 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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PZZ135 Puget Sound And Hood Canal- 244 Pm Pst Fri Feb 22 2019
.small craft advisory in effect until midnight pst tonight...
Tonight..SW wind 15 to 25 kt becoming S 5 to 15 kt after midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less after midnight. A chance of showers.
Sat..S wind 5 to 15 kt becoming 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. Showers likely.
Sat night..S wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft. Showers likely.
Sun..Variable wind to 10 kt becoming ne in the afternoon. Wind waves 1 ft or less.
Sun night..N wind 5 to 15 kt becoming ne to 10 kt after midnight. Wind waves 2 ft or less.
Mon..NE wind 5 to 15 kt becoming N 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft.
Mon night..N wind 10 to 20 kt in the evening becoming light. Wind waves 1 to 3 ft.
Tue..E wind 10 to 20 kt becoming ne 15 to 25 kt. Wind waves 2 to 4 ft.
Wed..NE wind 5 to 15 kt. Wind waves 2 ft or less.
PZZ100 244 Pm Pst Fri Feb 22 2019
Synopsis for the northern and central washington coastal and inland waters.. A frontal system has started to move through the area today and will continue to sink southeastward today. A weak low will drift south to the oregon coast by Sunday morning. Northeasterly offshore flow will develop Saturday night and continue through Tuesday with high pressure over british columbia and lower pressure south of washington.


7 Day Forecast for Marine Location Near Ronald, WA
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location: 47.25, -121.08     debug


Area Discussion for - Pendleton, OR
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Fxus66 kpdt 222213
afdpdt
area forecast discussion
national weather service pendleton or
213 pm pst Fri feb 22 2019

Short term Tonight through Monday... Initial wave of
precipitation associated with approaching cold front has arrived
in the cascades this afternoon. Through midnight tonight
accumulations above 1 inch will be limited to the immediate
cascade crest and eastern mountains where 4 to 10 inches will be
possible, with the highest amounts in the northern blues between
tollgate and ski bluewood. Precipitation shadowing will limit any
accumulation potential in the columbia basin to a trace. The cold
front will continue to sag south overnight and into Saturday
morning and will be the major focus for significant snowfall
Sunday into early next week as it drifts back to the north.

Moisture streaming over this boundary will create conditions
favorable for near continuous, relatively light snow with an
increase in intensity expected during the day Sunday and again
early Monday morning as a more substantial plume of moisture
arrives. This heavier precipitation will primarily impact the
cascades, north central central oregon, the columbia river gorge
and simcoe highlands. Models have converged enough on this
solution to issue long duration winter storm warnings for the
cascades, central north central oregon, the columbia river gorge,
simcoe highlands, blue mountains and wallowa county valid through
early Wednesday morning. While surface temperatures may be
marginal for accumulating snow especially during the afternoons we
are expecting storm total snow amounts in these areas of 10 to 20
inches. The warning for the northern blues will go into effect
tonight where low end warning amounts with the aforementioned
front will occur in additional to the long duration snow Saturday
night through Wednesday morning. Will leave current watches in
effect or issue new watches for the remainder of the area where
confidence in significant travel impacts with a long duration snow
event are lower. Peck

Long term Monday night through Friday... Active weather pattern
will persist through mid week as a frontal boundary meanders north
and south across the forecast area. Used an ensemble approach for
much of the forecast due to the uncertainty and spread exhibited in
the deterministic models. Monday night and Tuesday a warm front will
be lifting north across oregon into southern washington with
moderate to locally heavy snow along and north of the boundary.

Accumulations could be significant especially in the mountains.

Lower elevation accumulations could be tempered a bit by marginal
temperatures... But could still accumulate in the colder areas and
under the heavier snow bands. Wednesday the front will begin to sag
sewd as a cold front with the heaviest snow over the eastern
mountains. By Thursday most of the precipitation will have ended.

Friday looks mostly dry and cold with much below normal
temperatures. 78

Aviation 00z tafs...VFR conditions will prevail through the
forecast period. Ceilings will lower to 4-5k feet agl by this
evening as a cold front moves across the region. A few light snow
showers will also be possible with brief MVFR conditions. Winds have
picked up a bit from the SW ahead of the front this afternoon at 10-
15 kt but will decrease to AOB 10 kt tonight. Expect mostly dry
conditions on Saturday with sct-bkn stratocumulus and mid cloud
above. A few mixed rain and snow showers could affect kbdn and krdm
late in the day. 78

Preliminary point temps pops
Pdt 24 35 25 31 50 10 60 80
alw 26 36 25 33 80 20 30 50
psc 23 34 25 32 20 0 30 40
ykm 20 33 23 32 10 20 40 50
hri 26 37 26 33 20 10 40 70
eln 16 32 19 31 20 30 50 40
rdm 27 40 30 40 30 40 70 70
lgd 25 35 26 37 80 60 70 80
gcd 27 36 30 39 70 60 80 90
dls 29 40 30 35 50 30 70 80

Pdt watches warnings advisories
Or... Winter storm warning from 4 pm Saturday to 4 am pst Wednesday
for orz503-508>511.

Winter storm watch from Saturday afternoon through late Tuesday
night for orz044-505>507.

Winter storm warning from 10 pm Saturday to 4 am pst Wednesday
for orz041-050.

Winter storm warning from 7 pm this evening to 4 am pst
Wednesday for orz502.

Winter storm watch from Saturday evening through late Tuesday
night for orz049.

Wa... Winter storm warning from 10 pm Saturday to 4 am pst Wednesday
for waz024-520-521.

Winter storm warning from 7 pm this evening to 4 am pst
Wednesday for waz030.

Winter storm watch from Saturday evening through late Tuesday
night for waz026>029.

74 78 78


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 71 mi41 min S 4.1 G 6
TCNW1 - 9446484 - Tacoma, WA 71 mi41 min 1015.7 hPa (+1.5)

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stampede Pass, WA14 mi1.7 hrsVar 40.75 miLight Snow Fog/Mist27°F23°F85%1011.8 hPa

Wind History from SMP (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalm333343CalmCalmCalmCalm3--5W7
G17
4--
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW4Calm
2 days ago544654W5445434443W444SW4443Calm

Tide / Current Tables for Des Moines, Washington
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Des Moines
Click for Map
Fri -- 12:28 AM PST     -0.04 feet Low Tide
Fri -- 07:02 AM PST     Sunrise
Fri -- 07:05 AM PST     13.23 feet High Tide
Fri -- 08:59 AM PST     Moonset
Fri -- 01:17 PM PST     2.73 feet Low Tide
Fri -- 05:43 PM PST     Sunset
Fri -- 07:04 PM PST     10.90 feet High Tide
Fri -- 09:55 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.10.21.74.37.410.412.413.212.711.18.763.82.83.14.56.58.610.310.910.496.94.5

Tide / Current Tables for Duwamish Waterway, Washington
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Duwamish Waterway
Click for Map
Fri -- 12:31 AM PST     -0.04 feet Low Tide
Fri -- 07:01 AM PST     12.46 feet High Tide
Fri -- 07:02 AM PST     Sunrise
Fri -- 08:59 AM PST     Moonset
Fri -- 01:20 PM PST     2.57 feet Low Tide
Fri -- 05:43 PM PST     Sunset
Fri -- 07:00 PM PST     10.27 feet High Tide
Fri -- 09:55 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.11.64.179.811.812.511.910.48.15.73.72.62.94.26.18.29.710.39.88.46.44.2

Weather Map and Satellite Images
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wmap_P
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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Wind Forecast for Pendleton, OR (22,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, 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.