Thursday, June20, 2019 L-36.com


Marine Weather and Tides
Lodoga, CA

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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 5:43AMSunset 8:40PM Thursday June 20, 2019 4:40 PM PDT (23:40 UTC) Moonrise 10:28PMMoonset 7:45AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 223 Pm Pdt Thu Jun 20 2019
.small craft advisory in effect through Saturday morning...
Tonight..NW winds 20 to 30 kt with occasional gusts up to 35 kt. Wind waves 6 to 7 ft...subsiding to 4 to 5 ft after midnight. NW swell 8 to 10 ft at 11 seconds...building to around 11 ft at 10 seconds after midnight.
Fri..NW winds 20 to 30 kt with occasional gusts up to 35 kt. Wind waves 6 to 7 ft. NW swell 9 to 11 ft at 11 seconds.
Fri night..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. NW swell 8 to 10 ft at 11 seconds.
Sat..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. NW swell 6 to 8 ft at 10 seconds.
Sat night..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 7 to 9 ft at 10 seconds.
Sun..NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 8 to 10 ft at 10 seconds.
Sun night..NW winds 15 to 20 kt. Wind waves 2 ft or less. NW swell 7 to 9 ft at 10 seconds.
Mon..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves around 3 ft. NW swell 6 to 8 ft.
Tue..NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 5 to 7 ft.
PZZ500 223 Pm Pdt Thu Jun 20 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light southerly winds will gradually veer to the northwest by late afternoon. Strong gale force winds will continue across the northern outer waters. Stronger winds are forecast across all coastal waters this evening into Friday. These winds will result in steep fresh swell creating hazardous seas conditions, especially for smaller vessels.


7 Day Forecast for Marine Location Near Lodoga, CA
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location: 39.18, -122.55     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 202213
afdsto
area forecast discussion
national weather service sacramento ca
313 pm pdt Thu jun 20 2019

Synopsis
Low pressure system drops through the pacific northwest and into
the northern great basin today. Breezy north winds behind the
departing low pressure system will bring elevated fire weather
concerns tonight through Saturday. Warmer than normal over the
weekend with cooling again next week.

Discussion
Satellite imagery this afternoon shows clear skies over the
majority of northern california with a few cumulus clouds forming
over the mountains. This is mostly due to high pressure off to our
west; however, a broad trough is setting up shop over the northern
great basin. This trough will bring critical fire weather
conditions to elevations generally below 1000 feet across the
sacramento valley as northerly winds increase and low poor rh
recoveries occur. As a result, we have opted to go with a red flag
warning from 11pm pdt this evening thru 6pm pdt Saturday the
sacramento valley and adjacent foothills. Consideration for a
wind advisory was also given for the sacramento valley this
afternoon, but winds just barely made it to criteria. Depending on
the next sets of model guidance, we may need to upgrade to an
advisory. Regardless, Friday will be sunny but windy with high
temperatures being similar to today's.

Looking to the weekend, the airmass warms a bit bringing daytime
highs back up above normal and keeping humidity relatively low for
late june. Upper level high pressure ridge pushes in over the
state on Sunday bringing a little more warming but lighter winds.

This should allow humidity to climb a bit and combined with the
lighter winds should reduce fire weather concerns slightly.

.Extended discussion (Monday through Thursday)
dry weather and near or below average temperatures are expected
from Monday through the end of the period. An upper level low
approaches the pacnw Monday into Tuesday, with models diverging a
bit on timing when this feature moves onshore later in the week.

Either way, precipitation looks to stay north of california with
the main impact being the cooler temperatures. Valley highs Monday
begin near or just above normal Monday in the low to mid 90s,
cooling to the low and mid 80s by Wednesday and Thursday. For the
mountain areas, highs will be back down into the 50s and 60s by
Wednesday.

Aviation
Vfr skc conditions over interior norcal through 00z Sat except for
marine stratus and local MVFR CIGS vcnty of the bay and west
delta at times. North of kcic local nly surface wind g25 kts today
with nly barrier jet wind gusts 35 kts spreading swd on the west
side of the sac vly, especially after 03z-06z fri. Nly wind will
preclude stratus from penetrating inland Fri morning.

Sto watches warnings advisories
Red flag warning from 11 pm this evening to 6 pm pdt Saturday
for central sacramento valley in glenn, colusa, yuba, northern
sutter, and butte county below 1000 ft-eastern mendocino nf-
eastern portion of shasta trinity nf-lake county portion of lake-
napa-sonoma unit-northern sacramento valley to southern tehama
county line below 1000 ft-northern sierra foothills from 1000 to
3000 ft. Includes portions of shasta-trinity and butte units-
southeast edge shasta-trinity nf and western portions of tehama-
glenn unit-southern sacramento valley in yolo-sacramento far
western placer, southern sutter and solano county below 1000 ft.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANVC1 - 9416841 - Arena Cove, CA 64 mi53 min WNW 8 G 16 57°F 55°F1013.1 hPa
SFXC1 - San Francisco Bay Reserve, CA 73 mi56 min W 15 74°F 1010 hPa55°F

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA35 mi45 minNW 710.00 miFair85°F36°F17%1008.8 hPa

Wind History from UKI (wind in knots)
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Last 24hrSE6SE7SE6S7E4SW4S5S4S4S6S6S5S5S3SE4SE3Calm33NW84NW9N7NW7
1 day agoNW7CalmSE5SE6S5SE3S4S4SE4SE4S3S3S4S3S3SE33SE5SE55SE7SE8SE9SE5
2 days ago5N9N7W3SW3CalmSE3S5S3SE3SE3CalmCalmCalmCalmCalmCalmW333Calm--NW10--

Tide / Current Tables for Fort Ross, California
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Fort Ross
Click for Map
Thu -- 12:34 AM PDT     5.47 feet High Tide
Thu -- 05:48 AM PDT     Sunrise
Thu -- 07:50 AM PDT     -0.71 feet Low Tide
Thu -- 08:49 AM PDT     Moonset
Thu -- 03:02 PM PDT     4.47 feet High Tide
Thu -- 07:58 PM PDT     2.96 feet Low Tide
Thu -- 08:40 PM PDT     Sunset
Thu -- 11:29 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.45.4542.71.30.2-0.5-0.7-0.30.51.52.63.54.24.54.33.93.43.133.13.64.2

Tide / Current Tables for Salt Point, California Current
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Salt Point
Click for Map
Thu -- 01:58 AM PDT     -0.00 knots Slack
Thu -- 05:21 AM PDT     -1.39 knots Max Ebb
Thu -- 05:49 AM PDT     Sunrise
Thu -- 08:49 AM PDT     Moonset
Thu -- 09:22 AM PDT     0.00 knots Slack
Thu -- 12:25 PM PDT     1.05 knots Max Flood
Thu -- 03:53 PM PDT     -0.00 knots Slack
Thu -- 05:59 PM PDT     -0.60 knots Max Ebb
Thu -- 08:40 PM PDT     Sunset
Thu -- 09:17 PM PDT     0.00 knots Slack
Thu -- 11:30 PM PDT     Moonrise
Thu -- 11:58 PM PDT     0.61 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.4-0-0.5-1.1-1.4-1.3-1-0.7-0.20.30.8110.80.4-0.1-0.5-0.6-0.5-0.3-0.10.20.5

Weather Map and Satellite Images
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wmap_P
GOES 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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Sacramento, CA (19,4,5,8)
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Ground Weather Radar Station Beal AFB, CA
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weather_mapweather_map weather_map

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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 numerious 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.