Monday, March30, 2020
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Marine Weather and Tides
Mayfair, 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 6:46AMSunset 7:20PM Sunday March 29, 2020 9:58 PM PDT (04:58 UTC) Moonrise 9:54AMMoonset 12:00AM Illumination 35% Phase: Waxing Crescent; Moon at 6 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 Mayfair, CA
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location: 36.75, -119.78     debug


Area Discussion for - San Joaquin Valley/Hanford, CA
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FXUS66 KHNX 292139 AFDHNX

Area Forecast Discussion National Weather Service Hanford CA 239 PM PDT Sun Mar 29 2020

SYNOPSIS. Dry weather returns to the area on Monday and will prevail throughout the week. A warming trend will result in near normal temperatures on Monday and above normal the rest of the week. Parts of the San Joaquin Valley and Kern County Desert are forecast to climb into the lower 80s by the upcoming weekend.

DISCUSSION. A weak shortwave trough is tracking inland across central California and producing scattered showers, mainly over the higher terrain. As the upper low tracks overhead, we could even see a thunderstorm by later this afternoon. This activity is progged to end this evening as the upper trough continues to move east away from the area.

Behind the exiting trough we will see some gusty winds over the ridges and through and below mountain passes through the evening hours. We'll also experience some seasonably cool overnight lows tonight, with temperatures mostly bottoming out at or just slightly below normal.

Models handle the next few days of our forecast pretty similarly, but by the second half of the week there are some significant differences. There is agreement in tracking an upper low inland through western Canada Monday and swinging a weak lobe across the US Pac NW Tuesday into Wednesday. This will result in a weakly cyclonic west to northwest flow across central California, producing dry conditions with moderately warming temperatures through midweek. Through Wednesday we can expect high temperatures to hover right around climo.

For the end of the week and next weekend the model differences begin to impact our forecast certainty. The deterministic GFS solution is quick to open up a Pacific low pressure system and swing it across northern California by Friday, while the ECMWF holds off til Saturday with a deeper slower trough. Differences continue into Sunday, as the ECMWF drops a wound up low southward offshore the US west coast, while the GFS essentially absorbs the feature into the upper low over Canada. The differences in the evolution of these synoptic features will have an effect on our temperatures and whether we will have a chance for some precip over northern portions of our area by the upcoming weekend. Current blended model guidance is staying dry through the period with a continued modest warmup. Again, forecast certainty for the Friday through Sunday timeframe is low, but for now we are going with a dry forecast, with high temperatures reaching as much as 4-8 degrees above normal by Sunday.

AVIATION. MVFR to IFR ceilings and visiblities in isolated showers across the San Joaquin Valley, primarily north of Kern County, through 01Z Monday. IFR conditions and mountain obscuration in low clouds and showers for the Sierra Nevada and Kern County mountains through 03Z Monday. Wind gusts up to 40 kts possible in the Kern County mountains and desert through 08Z Monday. VFR conditions will otherwise prevail over the central CA interior for 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 low.

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 . JEB aviation . CMC

weather.gov/hanford


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fresno, Fresno Air Terminal, CA4 mi65 minN 010.00 miA Few Clouds57°F46°F67%1020 hPa
Madera Municipal Airport, CA24 mi65 minW 410.00 miFair53°F48°F86%1020.3 hPa

Link to 5 minute data for KFAT

Wind History from FAT (wind in knots)
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Last 24hrNW7NW8NW8NW8NW8NW7NW6NW4W4W4NW3NW3CalmNE3CalmSW5W4W6NW3NW5CalmE7E5Calm
1 day agoNW6NW7W6W7NW5NW4NW3NW3NW3W3CalmCalm4NE3NW4W5W75N7N4N4W8NW7NW7
2 days agoNW9NW10NW6N3CalmCalmCalmSW3E3E3E3SE3S4E3E4W3W3NW36W6
G14
NW8NW7NW4N3

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 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 (0,6,7,8)
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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.