Saturday, May30, 2020
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Marine Weather and Tides
Shaver Lake, 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 5:39AMSunset 8:12PM Saturday May 30, 2020 5:02 PM PDT (00:02 UTC) Moonrise 1:23PMMoonset 2:02AM Illumination 64% Phase: Waxing Gibbous; Moon at 9 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 Shaver Lake, CA
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location: 37.13, -119.3     debug


Area Discussion for - San Joaquin Valley/Hanford, CA
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FXUS66 KHNX 302032 AFDHNX

Area Forecast Discussion National Weather Service Hanford CA 132 PM PDT Sat May 30 2020

SYNOPSIS. Low pressure will move northward along the coast today bringing a threat of showers and a thunderstorms to the northern half of the district. Another area of low pressure will develop off the CA coast next week for continued seasonal temperatures and a chance of showers in the Sierra.

DISCUSSION. Short term focus this afternoon will be the chance of showers and thunderstorms in the Sierra and SJV, primarily north of Fresno County. Current GOES17 mid-level water vapor imagery and 500 mb RAP analysis is indicating a vorticity max moving into the northern half of the district. In combination with decent instability, SBCAPES of ~500 J/kg, will help initiate showers and thunderstorms this afternoon. Storms will be capable of producing heavy rain as well as small hail. Snow can not be ruled out in the higher elevations above 10,000 feet toward the Yosemite area. With the continued synoptic cooling aloft, high temperatures this afternoon across the central California interior are very pleasant, with mostly upper 70s to low 80s.

From Sunday into Monday, the NAEFS and deterministic models are showing a trough setting up just offshore, keeping a cool onshore flow in place and a chance of showers in the Sierra on Monday. 500 mb heights do slightly increase during this period, and temperatures will trend back up to seasonal conditions by Monday.

From Tuesday through Thursday, deterministic models and ensembles show an area of low pressure setting up off shore. This will increase our chances of precipitation across the Sierra. Temperatures will stay near seasonal averages.


AVIATION. Mountain obscuration in showers and storms over the Sierra Nevada are possible through 03Z. Showers and thunderstorms are possible in Merced and Mariposa counties after 19Z Saturday through 03Z. Otherwise, VFR conditions will prevail across the interior of Central California through the next 24 hours.

AIR QUALITY ISSUES. None.


CERTAINTY.

The level of certainty for days 1 and 2 is high. 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. None.

public . CMC aviation . Andersen

weather.gov/hanford


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fresno, Fresno Air Terminal, CA33 mi69 minSSW 710.00 miFair82°F46°F28%1011.3 hPa

Link to 5 minute data for KFAT

Wind History from FAT (wind in knots)
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Last 24hrCalmS9S11W4N8N6W3S5S8S7SE8E9E10SE10SE11SE9S8S11
G15
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G17
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1 day agoNW6NW9NW8NW12NW12NW12NW11NW10N6N3W4W5N5CalmS7S7--SW4S45W8W7SW7Calm
2 days agoNW11NW13NW8NW11NW10NW6NW9NW7NW8N3N4N3CalmCalmSE5SE10E4SE9S7NW4NW4NW3NW8NW6

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_P
GEOS Local Image of Southwest    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 (20,4,5,8)
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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.