Sunday, January24, 2021
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Marine Weather and Tides
Kingvale, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:12AMSunset 5:13PM Sunday January 24, 2021 4:55 PM PST (00:55 UTC) Moonrise 1:36PMMoonset 3:54AM Illumination 89% Phase: Waxing Gibbous; Moon at 12 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 242106 AFDREV

Area Forecast Discussion National Weather Service Reno NV 106 PM PST Sun Jan 24 2021

SYNOPSIS. A wintry week is on tap with at least two winter storms impacting the region. The first arrives tonight and leaves us with a slick Monday morning commute. The second is shaping up as a blockbuster storm for the Sierra with wind and snow impacts for western Nevada Tuesday night though Thursday. An active and moist onshore flow is forecast to continue through the weekend and into early February.

DISCUSSION. Are you prepared for a winter storm? Do you have tire chains, extra supplies, and alternate plans if snow leads to very difficult travel conditions this week?

First system arrives this evening with roughly 1-4 inches of snow across western Nevada and 3-6 inches with higher amounts up to 12 inches in the Sierra by Monday afternoon. This system will also bring a rush of cold air with afternoon highs stuck in the 30s for western NV and 20s for the Sierra. Those heading up in the higher elevations Monday should be prepared for temperatures below 20.

A significant winter storm arrives as early as Tuesday afternoon with heavy mountain snow moving into the region by Tuesday evening. If you need to cross the Sierra, get it done by Tuesday afternoon or risk hanging out in your vehicle for a long time. Whiteout conditions and high snowfall rates will lead to very very difficult to impossible travel conditions.

A cold and slow moving low off the Oregon coast with the jet stream and decent slug of AR moisture will be pointed at the Sierra Tuesday afternoon through at least Thursday night. A really good set up for 2-3 day period of heavy snow in the Sierra. For western NV, the instability, moisture and position of the jet favor periods (Tue N-Wed AM and Wed Eve-Thu AM) of moderate to heavy rain/snow for at least the Reno-Storey-Carson-Douglas-Lyon areas. Winds may also get strong with this storm, up near 100 mph over Sierra Ridges and 40-60 mph gusts across the lower elevations.

Snow totals for the Sierra . Main uncertainty is the location of the eye-popping snow amounts. Duration of the event, orientation of the jet steam and moisture plume suggest at least a couple feet of snow along the entire Sierra Crest. Ensemble data is showing a 70% chance at totals over 3 feet with high end amounts (10% chance of exceeding) 5-6 feet. Strongly reconsider any travel plans into the Sierra Tuesday PM into early Friday.

Across western Nevada . Ensemble probabilities have remained consistent in at least 4 inches of snow across Reno-Storey-Carson- Douglas-Lyon areas and 8+ inches of snow above 5000 feet (VC highlands) and the foothills west of US-395. First period of heavy snow should arrive Tuesday night or early Wednesday morning. However, forecast uncertainties arise in potential strength of winds kicking in early Wednesday morning. Some ensembles have trended higher with the winds, which may lead to snow levels rising to 4500-5000 ft, lower snow totals for valley floors, and potential for wind damage. As the jet and moisture plume orient toward south-to-north, warmer air should move into the western NV valleys and raise snow levels to near 5000 ft, perhaps as high as 5500 ft as the second wave of heavy precipitation arrives. Storm should end for western NV Thursday night.

Periods of snow will continue in the Sierra Thursday Night-Friday and into the weekend as the moist onshore Pacific flow remains in place. Ensembles are showing the potential for another solid winter storm late next weekend. Brong

AVIATION. The first in a series of winter storms will push into the region by late afternoon into this evening with breezy west winds 15-25 kts along the Sierra Front this afternoon. Expect widespread mountain obscuration by this evening in the Sierra and northeast California, spreading into western Nevada overnight. Approximate timing/snow totals for various terminal locations:

KTVL/KTRK:

01z-20z (peak 04z-16z) / 3-5"

KRNO/KCXP/KMEV:

03z-16z (peak 06z-12z) / 1-3"

KMMH:

08z-22z (peak 15z-20z) / 1-3"

KNFL/KLOL:

06Z-18Z (peak 08z-16z) / 1-3"

Snow showers may linger into Monday night in the Sierra and also for portions of central Nevada near and east of US-95. Otherwise, there will largely be a break into Tuesday before the next system arrives Tuesday night into Wednesday. This storm will bring a myriad of impacts, possibly lasting into Thursday night or Friday.

Winds will be rather gusty surface and aloft with turbulence and mountain wave activity likely. Heavy snow along with gusty winds will lead to near zero visibility in the Sierra and IFR conditions likely for western Nevada. While 1-3 feet of snow is likely for Sierra terminals, with significant amounts into Western NV, there is a small caveat for the lowest valleys, including KRNO. IF we warm just a few degrees, there could be a brief period during the day Wednesday where the lowest valleys changeover to rain, after first seeing heavy snow in the morning. Then, change back to snow overnight. There could also be periods where portions of western Nevada gets into a precipitation break (Wednesday afternoon/evening)as the upper flow turns more southerly, with stronger winds likely.

Bottom line: Flying conditions will not be favorable Tuesday night through Friday morning. Additional storms are possible for the weekend into the early part of next week. -Dawn

REV Watches/Warnings/Advisories. NV . Winter Weather Advisory from 7 PM this evening to 4 PM PST Monday NVZ001-004.

Winter Weather Advisory from 4 PM this afternoon to 10 AM PST Monday NVZ002.

Winter Storm Watch from Tuesday afternoon through late Thursday night NVZ002.

Winter Weather Advisory from 7 PM this evening to 10 AM PST Monday NVZ003.

Winter Storm Watch from Tuesday evening through Thursday afternoon NVZ003.

CA . Winter Weather Advisory from 7 PM this evening to 4 PM PST Monday CAZ073.

Winter Weather Advisory from 4 PM this afternoon to 4 AM PST Monday CAZ071.

Winter Storm Watch from Tuesday afternoon through late Thursday night CAZ071.

Winter Storm Watch from Tuesday evening through late Thursday night CAZ073.

Winter Weather Advisory from 4 PM this afternoon to 10 AM PST Monday CAZ072.

Winter Storm Watch from Tuesday afternoon through late Thursday night 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 mi63 minS 9 G 180.25 miSnow Freezing Fog29°F27°F92%1008.3 hPa
Truckee-Tahoe, CA16 mi70 minS 66.00 miLight Snow30°F21°F69%1005.1 hPa

Link to 5 minute data for KBLU

Wind History from BLU (wind in knots)
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Last 24hr4NE4CalmCalmE3NE4CalmE64CalmNE4NE3CalmCalmSE3SE4S6S6S9
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1 day agoS4W43S6S5SE3CalmCalmCalmCalmCalmCalmCalmCalmN4CalmNW3Calm554NE7NE8--
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Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
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Sun -- 12:07 AM PST     0.11 feet Low Tide
Sun -- 03:56 AM PST     Moonset
Sun -- 04:51 AM PST     2.15 feet High Tide
Sun -- 07:17 AM PST     Sunrise
Sun -- 10:42 AM PST     0.96 feet Low Tide
Sun -- 01:42 PM PST     Moonrise
Sun -- 03:18 PM PST     3.04 feet High Tide
Sun -- 05:19 PM PST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.10.30.81.422.121.71.41.1111.322.7332.82.52.11.61.10.70.4

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Sun -- 03:42 AM PST     2.15 feet High Tide
Sun -- 03:55 AM PST     Moonset
Sun -- 07:16 AM PST     Sunrise
Sun -- 09:12 AM PST     0.96 feet Low Tide
Sun -- 01:42 PM PST     Moonrise
Sun -- 02:09 PM PST     3.04 feet High Tide
Sun -- 05:19 PM PST     Sunset
Sun -- 11:24 PM PST     0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.511.622.11.91.61.31.111.11.52.22.8332.82.41.91.410.60.20

Weather Map
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wmap_P
GEOS Local Image of CentralWestCoast    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.
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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.