Thursday, July29, 2021
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Marine Weather and Tides
Squaw Valley, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:00AMSunset 8:07PM Thursday July 29, 2021 3:11 PM PDT (22:11 UTC) Moonrise 11:40PMMoonset 11:44AM Illumination 70% Phase: Waning Gibbous; Moon at 20 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 Squaw Valley, CA
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location: 36.7, -119.19     debug


Area Discussion for - San Joaquin Valley/Hanford, CA
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FXUS66 KHNX 291939 AFDHNX

Area Forecast Discussion National Weather Service Hanford CA 1239 PM PDT Thu Jul 29 2021

SYNOPSIS. Slightly warmer than average high temperatures look likely into the foreseeable future over the forecast area. Monsoonal moisture will provide the Sierra Nevada with a chance of afternoon and evening thunderstorms each day until Sunday.

DISCUSSION. Weak upper level troughing over the eastern Pacific centered several hundred miles west of the Point of Conception coupled with broad ridging centered over the Plains states is allowing a steady stream of mid to high level tropical moisture to stream north to northwestward into the forecast area. This moisture stream was responsible for yesterdays thunderstorms over the Sierra and for the current showers with embedded thunderstorms into this afternoon. This pattern has also kept the synoptic temperatures pretty steady over the last several days and will do so through at least Saturday.

A stronger surge of moisture will advect into the region tomorrow and this will not only increase the chances of thunderstorms but also increase the potential rainfall amounts possible with any of the given thunderstorms that do develop. The highest likelihood of thunderstorms will be for the higher elevations of the Sierra Nevada but a few thunderstorms over the Kern County Mountains and Deserts would not be out of the question each afternoon through Sunday. However, the chances for the larger precipitation amounts with thunderstorms will be greatest for the higher elevations. With this reasoning in mind a Flash Flood Watch for above 5000 feet has been issued for the Sierra Nevada from Yosemite southward to parts of the Kern County Mountains around Tehachapi. This watch will begin at Noon Friday through 8 PM Saturday night. Hikers and Campers venturing out to these areas should stay aware of any changes in the weather and remember to never set up a campsite in a low lying area as heavy rainfall in higher elevations can quickly flood those areas with little notice from a distance. Besides the heavy rainfall threat, thunderstorms will also bring strong gusty winds, small hail, and of course dangerous lightning.

By early Sunday, troughing to the west will push eastward and this will redirect the monsoonal moisture flow further eastward and allow ridging to begin building into southern California. This will bring slightly warmer temperatures and allow drier weather to return to the region with a more southwesterly flow aloft at least through Thursday.

AVIATION. Mountain obscurations in showers and scattered thunderstorms possible over the Sierra through 03Z Fri and again after 19z Friday. Otherwise, VFR conditions will prevail through the next 24 hours.

AIR QUALITY ISSUES. On Thursday July 29 2021 . Unhealthy for sensitive groups in Fresno . Kern . Madera . Merced and Tulare Counties and 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. Flash Flood Watch from Friday afternoon through Saturday evening for CAZ192>196.



public . Andersen aviation . Andersen

weather.gov/hanford


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Visalia, Visalia Municipal Airport, CA28 mi76 minWNW 510.00 miFair98°F58°F26%1011.4 hPa

Link to 5 minute data for KVIS

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Last 24hrNW66NW7W7W6W7NW11NW3W3CalmW5SW3E3S4SW5SW5S4S3CalmW6SW4CalmNW5W7
1 day agoNW11NW9NW8NW10W8NW7NW8NW9NW9NW9NW7W4CalmW3CalmCalmSE3S33W5SW6W5W4W6
2 days agoS7S12S7S5S4CalmSE3S4CalmSE3E3E3SW3CalmCalmCalmCalmCalmS3SW3NW56W9NW8

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: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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