Sunday, August9, 2020
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Marine Weather and Tides
Fort Washington, 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 6:10AMSunset 7:58PM Sunday August 9, 2020 1:01 PM PDT (20:01 UTC) Moonrise 11:25PMMoonset 11:48AM Illumination 67% Phase: Waning Gibbous; Moon at 21 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 Fort Washington, CA
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location: 36.87, -119.76     debug


Area Discussion for - San Joaquin Valley/Hanford, CA
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FXUS66 KHNX 090914 AFDHNX

Area Forecast Discussion National Weather Service Hanford CA 214 AM PDT Sun Aug 9 2020

SYNOPSIS. Other than isolated thunderstorms near the Sierra crest during the next few afternoons, dry weather will prevail over the central California interior for the next several days. Temperatures will average slightly above normal through the end of the week.

DISCUSSION. Very little change in the overall synoptic pattern is expected during the next 2-3 days as a weak upper level low sits nearly idle off the central California coast. Its presence will help generate isolated thunderstorms near the Sierra crest each afternoon through Tuesday. In addition to dangerous lightning, a few of these thunderstorms will be equipped with small hail, gusty and erratic winds and heavy rain. Hikers in the Sierra high country should be on heightened awareness the next few afternoons and prepare to shelter when skies turn threatening and they hear thunder.

Otherwise, clear skies can be expected over much of the central California interior during the next few days with generally light, terrain driven winds and slightly above normal temperatures.

By midweek, our focus will turn to a strong upper level ridge of high pressure centered near the Arizona-Mexico border. The models forecast this ridge to build into southern California in the 4 to 7 day period. As this high pressure ridge flexes its muscle later in the week, it will push the offshore low farther out over the Pacific. So we should see a diminishment of afternoon thunderstorms over the high Sierra by Wednesday.

There is one caveat of retrograding high pressure ridges at this time of year and that's the flow of tropical moisture to the south of them. The models hint that some mid level moisture could work its way up into California on the backside of the ridge in the Thursday through Friday time period. If so, some altocumulus might show up over our CWA later in the week along with an uptick in humidity. It remains to be seen whether this moisture will be substantial enough to trigger mountain convection. We're not banking on it right now and feel the high pressure ridge will dominate and keep the pattern dry and fairly stable through day 7. Temperatures at the 850 mb level are forecast to warm to about 27C by next weekend. This would translate to highs around 105 degrees in the hottest locations of the San Joaquin Valley and possibly as hot as 110 degrees in the desert in places like China Lake and Ridgecrest by next Sunday.

AVIATION. Isolated thunderstorms can be expected near the Sierra crest between 19z today and 03z Monday. Otherwise, VFR conditions will prevail over the central California interior during the next 24 hours.

AIR QUALITY ISSUES. On Sunday August 9 2020 . Unhealthy for sensitive groups in Sequoia National Park and Forest. Further information is available at Valleyair.org

CERTAINTY.

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

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. None.

synopsis . Durfee public/aviation/fw . Durfee PIO/IDSS . CMC

weather.gov/hanford


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fresno, Fresno Air Terminal, CA7 mi68 minSW 510.00 miFair92°F57°F31%1011.9 hPa
Madera Municipal Airport, CA20 mi68 minVar 510.00 miFair93°F57°F31%1012.3 hPa

Link to 5 minute data for KFAT

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Last 24hrNW4W6N4NW8NW8NW8NW9NW8NW7NW5NW7W8NW6NW6NW6NW7NW4NW3W3CalmSE4SE63SW5
1 day agoW3NW4W5NW5W6W10NW8NW9NW7NW8NW7W7NW7NW7NW4W5NW5NW5NW5CalmCalmCalm35
2 days agoNW4NW6W5W8SW75NW7NW8NW6NW6W10NW11NW8NW5NW5NW4CalmNW3N3W3W3W3NW3S6

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 (16,3,4,5)
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Ground Weather Radar Station San Joaquin Valley, CA
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weather_mapweather_map weather_map

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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 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.