Sunday, January19, 2020
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Marine Weather and Tides
Big Creek, CA

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 7:07AMSunset 5:10PM Sunday January 19, 2020 8:08 AM PST (16:08 UTC) Moonrise 3:17AMMoonset 1:59PM Illumination 30% Phase: Waning Crescent; Moon at 24 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 Big Creek, CA
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location: 37.23, -119.22     debug


Area Discussion for - San Joaquin Valley/Hanford, CA
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FXUS66 KHNX 191006 AFDHNX

Area Forecast Discussion National Weather Service Hanford CA 206 AM PST Sun Jan 19 2020

SYNOPSIS. Dry weather will continue in Central California through tonight. The next chance for precipitation will be from Monday afternoon through Tuesday night as a weak storm system moves across the region. Dry weather will once again prevail from Wednesday through Friday. Expect seasonably cool temperatures with periods of night and morning fog across the San Joaquin Valley.

DISCUSSION. High pressure strengthening over CA overnight which will maintain dry weather across the area today and tonight. Meanwhile inversion conditions have resulted in a low cloud deck reforming during the evening over the San Joaquin Valley and webcams are indicating some patches of dense fog. With dewpoints in the valley remaining in the lower 40s and high pressure continuing to strengthen, the stratus deck has the potential to lower enough by sunrise for widespread dense fog across the valley this morning. A Dense Fog Advisory remains in effect for much of the valley until noon PST today.

Meanwhile, IR imagery is indicating some high clouds pushing through the ridge into central CA north of Kern County. More high clouds are expected to push inland today ahead of a strong low pressure system that is progged to push across the PAC NW Tuesday and Tuesday night. Some mid level moisture is progged to push inland ahead of the system on the Martin Luther King, Jr. Day holiday which will likely limit the presence of fog in the valley and provide for a slight chance of light precipitation over the Sierra Nevada. As the low moves inland on Tuesday, precipitation will spread southward across Norcal and is expected to brush our area with some light precipitation from Fresno County northward with up to a quarter inch of liquid precipitation in the Sierra Nevada with the snow level running around 6000 feet.

WRF indicating another ridge builds into central CA on Wednesday and the medium range models are in good agreement with amplifying the ridge on Thursday and Friday. This will result in dry weather with a warming trend for our area. Night and morning fog will be possible in the San Joaquin Valley during this period as inversion conditions and light winds are expected. If there is enough clearing then periods of dense fog will be possible in the valley again later this week.

The models then diverge by next weekend with high ensemble spread and a lack of run to run consistency resulting in a low confidence forecast beyond Friday. The operational 00Z GFS keeps our area dry while the operational 00Z ECMWF looks wet for our area. Our forecast follows the National Blend of Models (NBM) which breaks down the ridge on Saturday and brings an upper trough through CA next Sunday which will provide for a chance of precipitation across our area by next Sunday.

AVIATION. In the San Joaquin Valley, mainly MVFR in mist and haze with areas of IFR conditions due to mist and low clouds with LIFR conditions at times due to fog thru 20Z Sun. Otherwise, VFR conditions are expected across the central CA interior for the next 24 hours.

AIR QUALITY ISSUES. On Sunday January 19 2020 . Fireplace/Wood Stove Burning Status is: No Burning Unless Registered in Fresno . Kern . Kings . Madera and Tulare Counties. Further information is available at Valleyair.org

CERTAINTY.

The level of certainty for days 1 and 2 is medium. The level of certainty for days 3 through 7 is medium.

Certainty levels include low . medium . and high. Please visit www.weather.gov/hnx/certainty.html for additional information an/or to provide feedback.

HNX WATCHES/WARNINGS/ADVISORIES. Dense Fog Advisory until noon PST today for CAZ180>189.



public . DS aviation . DS

weather.gov/hanford


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mammoth Yosemite Airport, CA34 mi28 minN 010.00 miPartly Cloudy18°F14°F86%1028.8 hPa

Link to 5 minute data for KMMH

Wind History from MMH (wind in knots)
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Last 24hrCalmCalmCalmSE3CalmCalmSE3----CalmCalmCalmCalmCalmN3CalmCalmN3CalmCalmSE4Calm--Calm
1 day agoNE4N3CalmCalmSE5CalmCalmSE3E5CalmCalmCalmCalmCalmN3CalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoS14
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E14E8Calm

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 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Joaquin Valley/Hanford, CA (11,2,3,4)
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Ground Weather Radar Station San Joaquin Valley, CA
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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.