Sunday, September19, 2021
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Marine Weather and Tides
Lakeview, OR

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 6:50AMSunset 7:10PM Sunday September 19, 2021 7:46 AM PDT (14:46 UTC) Moonrise 5:59PMMoonset 4:07AM Illumination 96% 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 Lakeview, OR
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location: 42.19, -120.35     debug


Area Discussion for - Medford, OR
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FXUS66 KMFR 191205 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 505 AM PDT Sun Sep 19 2021

Updated AVIATION Section

DISCUSSION. A broad swath of showers are moving across the forecast area at this time, with some very healthy precipitation amounts. Where the showers have passed, rainfall amounts ranging from 0.25" to 0.93" have been reported in just the past six hours. Lightning from these cells have been mostly confined to the coastal waters and near the immediate coast, with a bolt or two inland north of the forecast area. A persistent band of showers extending from south central Siskiyou county into southern Lake county has been moving slowly southeast, with rainfall amounts as high as 0.54" in the Warners in the past six hours. Showers will slowly taper off through the day as lapse rates decrease with the 500 mb cold pool, near -22C, moves east out of the region by late morning and an upper ridge builds in from the west.

With the upper ridge building in quickly, a thermal trough also quickly deepens along the southern coast with offshore flow spreading east across the entire forecast area by Monday morning. With the clearing skies in this pattern into Monday morning, lows east of the Cascades will be lower, with widespread frost likely over most of the east side, and a hard freeze possible roughly from Chemult to Chiloquin.

A trough moves through Wednesday with no precipitation expected and cooler temperatures. An upper ridge then rebuilds over the Pacific NW with continued dry conditions with above normal temperatures through the extended forecast period. -Sven

AVIATION. 19/12Z TAFs . Expect areas of MVFR ceilings and visibility along with mountain obscuration near and just west of the Cascades early this morning as another front moves through. The front is generating periods of light to moderate, and perhaps even brief, heavy rainfall. This will shift east of the Cascades this morning with post-frontal showers continuing, but becoming more isolated late this morning and into this afternoon. Largely, conditions will gradually improve to VFR this afternoon and evening. But, coastal MVFR/IFR is likely to develop this evening/overnight. -Spilde

MARINE. Updated 230 AM PDT Sunday 19 September 2021 . The front that brought showers and scattered thunderstorms to the marine waters last night is moving onshore. Steep west to northwest swell dominated seas are expected today behind the front. Then the thermal trough will return tonight and strengthen into Monday. Northerly winds will increase Monday into Monday evening with steep seas for most areas, except very steep seas are possible south of Port Orford. Winds could near gale force in those areas as well. We've issued a hazardous seas watch for south of Cape Blanco since seas are expected to be very steep and hazardous.

The thermal trough will weaken Tuesday. Winds and seas will be relatively light Tuesday through Tuesday night, with a very weak front brushing past to the north. The northerly wind pattern is expected to strengthen Wednesday into Thursday with gusty northerly winds and building wind driven seas that will again be strongest south of Cape Blanco. -Spilde

FIRE WEATHER. Updated 400 AM PDT Sunday 19 September 2021 . An upper level trough will move east out of the region today. Showers will taper off into the evening as the cold pool aloft shifts east with the upper trough and an upper ridge builds in quickly from the west.

This rain will not be a "season-ending event", but the rain will make a significant dent in the season. Ridging and dry conditions will be quick to return on the backside of the system Monday. Also, there are indications of some gusty east winds, especially over the ridges and the usual downslope locations Monday into Monday night with poor RH recoveries. As a result, fire weather concerns may quickly return despite the rains. A weak front Wednesday brings cooler temperatures, but ridging builds quickly behind it and the remainder of the extended forecast remains dry with above normal temperatures.

MFR WATCHES/WARNINGS/ADVISORIES. OR . CA . None.

Pacific Coastal Waters . Small Craft Advisory until 3 PM PDT Monday for PZZ356-376. Hazardous Seas Watch from Monday afternoon through late Monday night for PZZ356-376. Small Craft Advisory until 5 AM PDT Monday for PZZ350-370.

SBN/SBN/SBN


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lake County Airport, OR3 mi53 minS 710.00 miMostly Cloudy41°F39°F93%1016.7 hPa

Link to 5 minute data for KLKV

Wind History from LKV (wind in knots)
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Last 24hrS12S18
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W6CalmS13SW15
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S14S11S7S9S10S8S7W4SW5SW5SW7SW8E6S6S7
1 day agoCalmCalm3S7S8S6
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2 days agoN18N16
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N13NW11NW13N11N16N12
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N14N11N9N9N8N8NW8NW8N5NW5NW5N4NW3SE3NW4

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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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