Saturday, January25, 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 7:04AMSunset 5:17PM Saturday January 25, 2020 7:05 PM PST (03:05 UTC) Moonrise 8:52AMMoonset 7:12PM Illumination 1% Phase: Waxing Crescent; Moon at 1 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 252316 AAA AFDHNX

Area Forecast Discussion . Updated National Weather Service Hanford CA 316 PM PST Sat Jan 25 2020

Updated Air Quality Issues section

SYNOPSIS. Seasonably mild conditions can be expected today, then rain and mountain snow likely overnight into Sunday morning, mainly from Fresno County northward. Isolated thunderstorm are possible during the late morning and afternoon on Sunday, mainly in Mariposa and Madera Counties. Dry weather then returns as another ridge of high pressure builds over the region on Monday and Tuesday with morning fog possible both mornings.

DISCUSSION. Fog has quickly dissipated across the area this morning giving way to a warm Saturday afternoon across the Southern San Joaquin valley and Kern County desert. Upper level ridge remains on place over the area. There is some persistent low level cloud cover along the eastern half of the valley, as well as increasing mid to upper level clouds associated with the approaching system. With the persistent clouds, afternoon high temperatures will remain in the low 60s in the valley and mid to upper 60s in the Kern County desert.

Models are still consistent bringing the upper level trough and its associated cold front into the central California interior overnight into early Sunday morning. Precipitation will move into the northern half of the district by midnight/early morning before spreading southward across the district by early Sunday afternoon. As with prior model solutions, a majority of the energy and precipitation with this system will pass to our north. Thus, QPF amounts within the valley will be less than a tenth of an inch primarily north of Kern County. Between a tenth and a quarter of an inch will be possible in the central Sierra foothills and up to a half an inch of QPF is possible in the Yosemite Park area. Generally less than a tenth of an inch is possible toward the Tulare County and Tehachapi mountains. No precipitation is expected in the Bakersfield area nor the Kern County desert. Snow amounts of three to six inches is likely in the Yosemite area southward into far northern Tulare County. Snow levels will begin around 8,000 feet tonight, before falling to around 6500 feet by Sunday afternoon as the cold core of the trough pushes through the area. In addition, as the trough moves through the northern half of the district, isolated post-frontal thunderstorms are possible, mainly in Mariposa and Madera Counties.

The aforementioned trough moves eastward out of the area by Sunday afternoon. High-resolution models indicate an increasing LAS-SFO pressure gradient to roughly 10mb. As such, strong northwesterly winds will be possible in the Kern County mountains late Sunday morning into Monday morning. Wind gusts up to 45 to 55 mph are likely, mainly through and below the Kern County mountain passes. A wind advisory has been issued from 10 AM PST Sunday morning through 4 AM PST Monday morning.

Upper level ridge will setup across the area on Monday into early Tuesday and patchy fog may become possible in the valley both mornings. Longer-term models still advertise a weak upper level trough moving slightly north of our area late Tuesday into Wednesday, but no precipitation is expected anywhere across the district. This feature may be enough to mix the lower atmosphere and prevent for formation on Wednesday morning. Moving on from Thursday into the end of the forecast period next Saturday, longer-term models in decent agreement building a strong 588 decameter high pressure across the region. Temperatures during this time frame will increase to above average, with upper 60s to low 70s across the valley and Kern County desert by the end of next week. It looks like after the chance of rain on Sunday, conditions for the remainder of the month appear to remain dry. Morning fog may also be possible those mornings in the valley.

AVIATION. Mostly MVFR conditions prevailing across Southern San Joaquin Valley into the early evening. Areas of IFR in precipitation and low clouds will begin across the valley floor by 08Z Sunday and continue through 20Z Sunday. IFR conditions in precipitation and mountain obscurations likely into the Sierra and Kern County mountains beginning at 08Z Sunday continuing through 12Z Monday. Strong wind of 45 to 50 kts likely through and below the Kern County mountains beginning 18Z Sunday through 12Z Monday. Otherwise, VFR conditions will prevail across the area the next 24 hours.

AIR QUALITY ISSUES. On Sunday, January 26th, 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 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 and/or to provide feedback.

HNX WATCHES/WARNINGS/ADVISORIES. Wind Advisory from 10 AM PST Sunday morning until 4 AM PST Monday for CAZ196>199.



public . CMC 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 mi73 minN 07.00 miMostly Cloudy59°F46°F64%1019.5 hPa
Madera Municipal Airport, CA24 mi73 minN 08.00 miFair57°F48°F72%1019.6 hPa

Link to 5 minute data for KFAT

Wind History from FAT (wind in knots)
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Last 24hrSE5SE3SE4E4E3CalmCalmE3CalmCalmCalmSE4SE5SE4CalmSE3SE5CalmCalmCalmCalmS4CalmCalm
1 day agoW3CalmCalmSE4CalmN3E4CalmCalmNE4CalmCalmCalmCalmCalmCalmCalmSW3S5SE4E4SE5SE5SE6
2 days agoCalmCalmCalmCalmNE3CalmCalmCalmN3W3CalmCalmCalmCalmNE3CalmW3W3S3NW34SW4W3Calm

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 (22,6,7,8)
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Ground Weather Radar Station San Joaquin Valley, 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 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.