Tuesday, March26, 2019 L-36.com


Marine Weather and Tides
Clarksburg, CA

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 6:58AMSunset 7:24PM Tuesday March 26, 2019 3:17 AM PDT (10:17 UTC) Moonrise 12:00AMMoonset 9:57AM Illumination 71% Phase: Waning Gibbous; Moon at 20 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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PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 300 Am Pdt Tue Mar 26 2019
Today..NW winds around 5 kt...becoming sw this afternoon. A slight chance of showers.
Tonight..S winds up to 10 kt. Rain.
Wed..SW winds 10 to 20 kt with gusts up to 30 kt. Showers and a slight chance of Thunderstorms.
Wed night..SW winds 5 to 15 kt. A chance of showers.
Thu..S winds 5 to 15 kt. A chance of showers.
Thu night..W winds 5 to 10 kt.
Fri..NW winds 5 to 10 kt.
Sat..NW winds up to 10 kt. Winds and wind waves higher in and near Thunderstorms.
PZZ500 300 Am Pdt Tue Mar 26 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Low pressure off the oregon coast will keep light to moderate southerly winds through Tuesday night. Stronger winds can be expected over the northern waters Tuesday night and early Wednesday morning as a frontal system moves through. Winds will switch to southwest Wednesday and Thursday as high pressure builds off the california coast. There is a slight chance for Thunderstorms Wednesday.


7 Day Forecast for Marine Location Near Clarksburg, CA
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location: 38.42, -121.52     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 252202
afdsto
area forecast discussion
national weather service sacramento ca
302 pm pdt Mon mar 25 2019

Synopsis
A slow moving storm system arrives today. A stronger storm is
possible Tuesday night and Wednesday with afternoon thunderstorms
possible on Wednesday. Unsettled weather will continue on
Thursday with scattered showers before the return to dry weather
for Friday into the weekend.

Discussion
Water vapor imagery this afternoon showed a conglomerate of upper
lows spinning off the coast. An embedded perturbation within the
southwesterly flow has spawned a band of light showers generally
along i-80 northward. Meager hourly amounts in the 0.05 to 0.10
inch range have been observed at this point. This warm advection
precipitation should continue through the evening and night but
totals should not equate to a whole lot over valley locations.

Accumulating snows over the southern cascades enforces the need
for a winter storm warning until late tomorrow morning while a
winter weather advisory will remain over the northern sierra.

The strongest upper low within the offshore axis of lower heights
will make its way toward the northern california coast on Tuesday
evening. Before then, expect widely scattered showers to fill the
region with the better precipitation threat holding off until
Tuesday night into Wednesday.

A winter storm warning will be in effect throughout the duration
of this mentioned storm given moderate to heavy snowfall
accumulations. For elevations above 5,000 feet, expecting around 2
to 3 feet of snow through Thursday with higher amounts possible
over the mountain summits. Travel across these regions will be
hazardous and is not advised. Snow levels should meander between
5,000-5,500 feet before falling to around 4,000 feet by early
Thursday. At this point, conditions will be turn more showery in
nature given cyclonic flow overhead.

Across valley locations, an extended period of light to moderate
rainfall will raise forecast totals to around 1 to 1.50 inches
with lower amounts across the upper san joaquin valley. Local
upslope effects will augment amounts in the foothills with 2 to 3
inches possible. Besides the rainfall threat, modest instability
within breaks in the clouds may lead to some scattered
thunderstorms on Wednesday. These would be capable of heavy
downpours, lightning, and small hail. Otherwise, conditions may be
breezy at times within the broad southerly flow regime.

Conditions will gradually improve toward the conclusion of the
work week with scattered showers remaining Thursday. Temperatures
will sit below average with the highest numbers (mid upper 60s)
down toward stockton and modesto through Tuesday. ~bro
.Extended discussion (Friday through Monday)
lingering showers possible Friday, mainly over the mountains of
shasta and western plumas counties. Drier weather expected
Saturday as upper level ridging moves through interior norcal. By
Sunday, gfs, gefs, naefs, suggest probability for some light
precip on the increase as short wave trough approaches.

Precipitation looks to be more widespread Monday over norcal with
additional waves, however overall precip continue to look light
attm.

Aviation
Rain will continue to spread over northern california, which will
bring periods of MVFR conditions and increased southerly wind
gusts to 22 knots.

Sto watches warnings advisories
Winter storm warning until 11 am pdt Tuesday for west slope
northern sierra nevada-western plumas county lassen park.

Winter weather advisory from 7 pm this evening to 11 am pdt
Tuesday for west slope northern sierra nevada.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SFXC1 - San Francisco Bay Reserve, CA 31 mi92 min SSW 2.9 51°F 1018 hPa49°F
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 33 mi29 min WNW 5.1 G 6 53°F 1018 hPa
PCOC1 - 9415144 - Port Chicago, CA 37 mi29 min W 11 G 12 53°F 57°F1018.1 hPa
UPBC1 41 mi29 min WNW 8.9 G 11
MZXC1 - 9415102 - Martinez-Amorco CA 42 mi29 min WNW 8 G 9.9 53°F 57°F1018.1 hPa53°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 47 mi29 min WNW 7 G 9.9 53°F 1018 hPa
RCMC1 - 9414863 - Richmond, CA 58 mi29 min 56°F

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sacramento Executive Airport, CA7 mi24 minSSW 43.00 miLight Rain Fog/Mist52°F52°F100%1017.9 hPa
Sacramento Mather Airport, CA15 mi3.8 hrsE 610.00 miOvercast55°F53°F94%1017.9 hPa
University Airport, CA16 mi42 minS 410.00 miOvercast52°F51°F100%1017.9 hPa
Sacramento, McClellan Airfield Airport, CA18 mi37 minSW 53.00 miFog/Mist55°F55°F100%1018.3 hPa
Sacramento International Airport, CA20 mi24 minSSW 310.00 miOvercast52°F52°F100%1017.6 hPa
Vacaville Nut Tree Airport, CA23 mi24 minN 010.00 miOvercast52°F51°F97%1018 hPa
Fairfield / Travis Air Force Base, CA24 mi79 minSSW 510.00 miOvercast51°F48°F91%1018.6 hPa

Wind History from SAC (wind in knots)
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Last 24hrE5CalmCalmSE5S6SE6SE7S9SE11
G15
SE95S6SW3W9W9SW9W7W7E4E4CalmSW4SW7SW4
1 day agoCalmN3N3CalmNW4N4N4N6W4NW4W4CalmCalmCalmCalmW4CalmCalmCalmCalmCalmE4E7E6
2 days agoE4CalmE8CalmCalmS3S4S4S56--SW6SW8SW11SW11
G19
SW7SW3E5SE5SE3CalmE3E3Calm

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Tue -- 12:49 AM PDT     Moonrise
Tue -- 05:27 AM PDT     0.62 feet Low Tide
Tue -- 07:00 AM PDT     Sunrise
Tue -- 10:09 AM PDT     2.85 feet High Tide
Tue -- 10:57 AM PDT     Moonset
Tue -- 07:03 PM PDT     0.10 feet Low Tide
Tue -- 07:23 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.321.51.10.80.60.71.11.92.62.82.82.62.21.71.20.80.50.20.10.30.81.41.9

Tide / Current Tables for Snodgrass Slough, Sacramento River, California
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Snodgrass Slough
Click for Map
Tue -- 12:12 AM PDT     1.90 feet High Tide
Tue -- 12:49 AM PDT     Moonrise
Tue -- 06:01 AM PDT     0.59 feet Low Tide
Tue -- 07:00 AM PDT     Sunrise
Tue -- 10:57 AM PDT     Moonset
Tue -- 11:11 AM PDT     2.33 feet High Tide
Tue -- 07:23 PM PDT     Sunset
Tue -- 07:37 PM PDT     0.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.81.61.20.90.70.60.71.11.72.12.32.32.11.71.30.90.60.30.10.10.30.81.2

Weather Map and Satellite Images
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GOES Local Image of CentralWestCoast    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 Sacramento, CA (6,6,7,8)
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Ground Weather Radar Station Sacramento, CA
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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.