Monday, October18, 2021
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Marine Weather and Tides
Kingvale, 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 7:12AMSunset 6:18PM Monday October 18, 2021 2:10 PM PDT (21:10 UTC) Moonrise 4:49PMMoonset 4:11AM Illumination 95% Phase: Waxing Gibbous; Moon at 13 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 Kingvale, CA
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location: 39.32, -120.44     debug


Area Discussion for - Reno, NV
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FXUS65 KREV 181153 AFDREV

Area Forecast Discussion National Weather Service Reno NV 453 AM PDT Mon Oct 18 2021

UPDATE. Gusty winds have dropped off considerably this morning as rain and snow showers have developed across much of the eastern Sierra and western Nevada. Residual showers will continue through the day as the storm exits the region. Plan on variable road conditions for the morning commute, especially along the higher passes, as there were some road closures, chain controls, and delays overnight.

Heavier snow bands may still form across the Sierra passes today producing reduced visibility and renewed travel delays and concerns.

-Edan

PREVIOUS DISCUSSION. /Issued 134 AM PDT Mon Oct 18 2021/

SYNOPSIS .

Plan on variable road conditions in the Sierra and western Nevada through Monday morning. Otherwise, the quick hitting storm exits the Sierra and western Nevada with some residual showers through the afternoon. The first in a series of potentially wetter storms impacts the region late Tuesday into Wednesday. More active and wetter weather pattern will continue into the weekend.

SHORT TERM .

Sierra snow and valley showers continue across the Sierra and western Nevada this morning. Otherwise, the shortwave quickly exits with a few residual snow showers likely through the day. It will feel quite brisk compared to this weekend with north to northwest winds across western Nevada through Tuesday. High temperatures will be mostly in the low to mid 50s for the lower valleys and 40s for Sierra valleys.

Tuesday into Wednesday will kick off a series of potential waves of moisture making landfall across the West coast. Late Tuesday night into early Wednesday morning, the next shortwave pushes into the Pacific Northwest. This storm will be deliver a glancing blow to the northern Sierra and far northwestern Nevada, but it will bring another round of showers and winds. The shortwave remains largely off the coast of the Pac NW, but it does funnel direct some Pacific moisture into northern CA and NV (primarily north of Highway 50). Winds will increase ahead of the shortwave, but wind gusts should remain in the 25 to 35 mph range. The northern Sierra and southern Cascades will experience weak warm air advection and isentropic lift on the western slopes, which should spread light precipitation and high elevation snow showers from Plumas-Eureka north into the southern Cascades of Oregon. With the warmer nature of this storm, temperatures will be mild but still below normal for this time of year.

Possible Impacts: * Another round of windy ridges primarily north of Highway 50 with aviation concerns. * Light rain and high elevation snow showers mainly for the higher passes north of Highway 50.

-Edan

LONG TERM . Thursday through the Weekend .

Little change to the long term forecast which calls for two storms to impact the eastern Sierra / western Nevada / northeastern CA region over the weekend into early next week.

A short break Thursday:

* The region will likely be "between" storms Thursday but we can't rule out lingering rain showers, with the better chances west of Highway 395 from South Lake Tahoe north. Snow levels may rise above pass levels. Sierra ridges may become gusty Thursday night into Friday morning as the next trough approaches the region.

Two potential Atmospheric Rivers (AR) next Weekend:

* Ensemble clusters continue to advertise two AR events over the weekend but differ on just how far south and east these ARs will transport their moisture. The consensus is: for the first, somewhat weaker, AR to track into the Sierra and northeast CA by Friday into Saturday. Some light precipitation could spill over into far western NV but with the higher amounts west of highway 395 north of Bridgeport (0.5 inches to 1 inch totals possible). Snow levels could fall to around 7k feet Friday night. The second stronger system Saturday night-Sunday could bring higher precipitation amounts with precipitation also spreading farther east across the region. Snow levels could rise back up to near Sierra pass levels. Breezy to windy conditions look probable for much of the weekend and could become very strong Sunday-Monday.

* Possible Impacts: (1) Periods of strong winds creating typical lake and aviation impacts, with some potential for very strong winds Sunday-Monday. (2) winter conditions and slick roads as low as 7k feet Friday night-Saturday morning and then at Sierra pass levels Saturday night-Sunday morning. -JCM

AVIATION .

* The fast-moving low pressure system is exiting the region today. Most Sierra terminals and westernmost Nevada terminals will be contending with turbulence and LLWS through this morning.

* Local Sierra terminals KTRK and KTVL may be dealing with periods of MVFR VIS/CIG conditions with possible brief periods of IFR conditions during heavier snow showers through 12Z. Light snow accumulations will continue through this morning for KTRK-KTVL.

* Western NV terminals have seen a mix of rain/snow so far this morning. There may be a brief period of light snow this morning, but accumulations will only range from a trace to half an inch.

* For Eastern Sierra terminals: Light snow is a possibility during the early morning hours with VIS/CIG conditions lowering to MVFR through 12Z. Heavier showers could bring brief period of IFR conditions in both VIS/CIG. -Amanda/Edan

REV Watches/Warnings/Advisories.

NV . Winter Weather Advisory until 9 AM PDT this morning NVZ002.

CA . Winter Weather Advisory until noon PDT today CAZ070.

Winter Weather Advisory until 9 AM PDT this morning CAZ072.



For more information from the National Weather Service visit . http://weather.gov/reno


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Emigrant Gap, Blue Canyon Nyack Airport, CA14 mi79 minN 01.00 miLight Snow Fog/Mist34°F33°F97%1016.7 hPa
Truckee-Tahoe, CA16 mi86 minNNW 310.00 miOvercast36°F30°F81%1014.6 hPa

Link to 5 minute data for KBLU

Wind History from BLU (wind in knots)
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Last 24hrS16
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1 day ago6SW6SW4SW3SW3SE3SE3SE4SE3SE3SE5SE3SE3SE3SE5SE6S6S6S11
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2 days agoW53W4000E3E3N4NE4N5000SE3000SE4S5S6S6S5SW7

Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
Click for Map
Mon -- 01:44 AM PDT     0.25 feet Low Tide
Mon -- 05:16 AM PDT     Moonset
Mon -- 06:05 AM PDT     2.54 feet High Tide
Mon -- 07:18 AM PDT     Sunrise
Mon -- 02:05 PM PDT     0.01 feet Low Tide
Mon -- 05:53 PM PDT     Moonrise
Mon -- 06:22 PM PDT     Sunset
Mon -- 06:49 PM PDT     2.81 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Mon -- 12:14 AM PDT     0.25 feet Low Tide
Mon -- 04:56 AM PDT     2.54 feet High Tide
Mon -- 05:16 AM PDT     Moonset
Mon -- 07:18 AM PDT     Sunrise
Mon -- 12:35 PM PDT     0.01 feet Low Tide
Mon -- 05:40 PM PDT     2.81 feet High Tide
Mon -- 05:53 PM PDT     Moonrise
Mon -- 06:23 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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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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