Monday, October25, 2021
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Marine Weather and Tides
Magalia, 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 7:26AMSunset 6:14PM Monday October 25, 2021 1:21 PM PDT (20:21 UTC) Moonrise 8:28PMMoonset 11:20AM Illumination 76% 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 Magalia, CA
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location: 39.77, -121.63     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 251030 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 330 AM PDT Mon Oct 25 2021

SYNOPSIS. A high-impact weather system continues to bring widespread showers to NorCal. This has lead to flooding and some debris flows. Heavy snow over the Sierra continues into tonight. Quieter and drier weather expected by the middle of the week.

DISCUSSION. Record setting AR beginning to ease up across much of the forecast area early this morning, but widespread moderate to heavy precipitation continues to the south and east of Sacramento, and several additional inches of rain will be possible early this morning across portions of that area. The flash flood warning for the Caldor Fire burn scar has been extended until 9 AM.

Focus today shifts to heavy snow in the Sierra and threat for deep convection across the Sacramento Valley. We're already seeing some lines of stronger storms developing to the east of Red Bluff. These are orienting parallel to the mean flow, so may pose a renewed flooding threat this morning due to the slow eastward movement of the lines. This may transition to more isolated activity this afternoon as the upper trough moves overhead, and may pose more of a threat for small hail and perhaps a funnel cloud (low-level shear is quite impressive, but instability forecast to be pretty shallow).

All-time one day rain records were set in Sacramento and at Blue Canyon, and daily records (for Oct 24) were set at numerous locations (see RERSTO).

Lighter precipitation lingers across the northern third of the forecast area (mainly Coast Range, northern Sacramento Valley and southern Cascades) Tuesday before retreating further north on Wednesday. Dry and milder weather expected after mid-week.

EXTENDED DISCUSSION (Friday THROUGH Monday). Upper ridge axis has shifted into the Intermountain West Friday as upstream Pacific frontal system approaches. Models continue to disagree with depth and progression of this short wave. Ensembles support a weaker system and thus forecast remains dry at this time, however will continue to monitor potential for some light precip over Shasta county over the weekend. Short wave upper ridge returns briefly for dry weather Monday but next Pacific front progged inland Mon night into Tue.

AVIATION. In Cntrl Vly, lcl MVFR/IFR poss in shwrs til 00z Tue, otrw VFR. In fthls/mtns, areas MVFR/IFR with lcl LIFR poss in shwrs til 00z then mnly VFR. Isold tstms poss tda til 00z Tue. Sn lvls arnd 5000-6000 kt AMSL. Lcl Sly sfc wnd gsts to 25 kts poss in Cntrl Vly tda with lcl S-W sfc wnd gsts up to 35 kts poss in fthls/mtns.

STO WATCHES/WARNINGS/ADVISORIES. Flash Flood Watch until 5 AM PDT early this morning for Central Sacramento Valley-Motherlode-Northeast Foothills/Sacramento Valley-West Slope Northern Sierra Nevada-Western Plumas County/Lassen Park.

Winter Storm Warning until 11 PM PDT this evening for West Slope Northern Sierra Nevada-Western Plumas County/Lassen Park.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Chico Municipal Airport, CA12 mi82 minSSE 1040.00 miMostly Cloudy59°F48°F68%1008.1 hPa
Oroville Municipal Airport, CA19 mi28 minS 510.00 miA Few Clouds63°F47°F56%1009.1 hPa

Link to 5 minute data for KCIC

Wind History from CIC (wind in knots)
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Last 24hrSE20
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1 day agoSE10S10SE10--SE10SE10----------------SE21
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2 days agoSE15SE15SE14SE12SE12SE10--SE9SE10SE12SE11SE12SE9SE9SE7S8SE6S6SE12SE12SE11SE12SE12SE12

Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
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Mon -- 06:41 AM PDT     0.04 feet Low Tide
Mon -- 07:25 AM PDT     Sunrise
Mon -- 12:05 PM PDT     2.09 feet High Tide
Mon -- 12:15 PM PDT     Moonset
Mon -- 05:50 PM PDT     0.89 feet Low Tide
Mon -- 06:13 PM PDT     Sunset
Mon -- 09:31 PM PDT     Moonrise
Mon -- 09:48 PM PDT     2.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.2
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1.8
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Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
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Mon -- 05:11 AM PDT     0.04 feet Low Tide
Mon -- 07:25 AM PDT     Sunrise
Mon -- 10:56 AM PDT     2.09 feet High Tide
Mon -- 12:14 PM PDT     Moonset
Mon -- 04:20 PM PDT     0.89 feet Low Tide
Mon -- 06:14 PM PDT     Sunset
Mon -- 08:39 PM PDT     2.85 feet High Tide
Mon -- 09:32 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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GEOS Local Image of CentralWestCoast    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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