Friday, January17, 2020
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Marine Weather and Tides
Dover, ID

Version 3.4
NOTICE
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 7:27AMSunset 4:26PM Friday January 17, 2020 4:28 PM PST (00:28 UTC) Moonrise 12:59AMMoonset 12:27PM Illumination 47% Phase: Third Quarter Moon; Moon at 22 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 Dover, ID
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location: 48.27, -116.6     debug


Area Discussion for - Spokane, WA
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FXUS66 KOTX 172337 AFDOTX

Area Forecast Discussion National Weather Service Spokane WA 337 PM PST Fri Jan 17 2020

SYNOPSIS. A short but largely dry break period in the recent storm parade will end this evening as yet another system late tonight and into Saturday will bring another round of snow. High temperatures are expected to gradually climb well into the 30s over the next several days with the next potential winter weather system on or about Tuesday.

DISCUSSION. Tonight: Mainly dry weather persists across the Inland Northwest this afternoon as a shortwave ridge traverses across the region. Subsidence under the ridge brought areas of low clouds and patchy fog across the interior valleys, mainly along and north of Interstate 90. Some of these low clouds have been eroding this afternoon, but it wouldn't be surprising for more low clouds and patchy fog to return tonight, especially across the northern valleys.

Our brief respite from active weather will be coming to an end tonight as a deep low pressure system over the northeast Pacific takes aim at the region. This system is already highly occluded per satellite imagery, and its parent low will push northward tonight into Saturday. A few snow showers will be possible as early as late this afternoon/evening, but the main frontal band won't arrive until later tonight into Saturday.

Saturday: Moist isentropic ascent associated with the storm system's warm front will provide fairly widespread snow early Saturday morning across central Washington, and pushing east across eastern WA and the Idaho Panhandle through the morning and afternoon. At this stage, the more significant snowfall should remain generally along and north of Interstate 90. With the low- level easterly flow pattern of this storm system . strong orographic lift is expected to result in heavy snow along the east slopes of the Cascades, Okanogan Valley, Waterville Plateau, and Okanogan Highlands. Winter Storm Warnings and Advisories have been posted to highlight these concerns. Look for precipitation to be winding down Saturday evening, with lighter snow showers persisting over the Cascades and the Idaho Panhandle. Dang

Sunday and Monday: An upper level ridge over the Pacific Northwest will give the region a break from the precipitation and back into seasonal temperatures. There is a chance for light snow a bit longer in the Cascades, far northeast, and upper elevations of the ID Panhandle. The mountains should be precipitation free by early Monday. Moisture overnight Sunday into early Monday morning will bring patchy freezing fog to many of the northern valleys. However, much of Sunday and Monday will be a mild and calm day, but much of the region will remain under mostly cloudy skies. The temperatures will warm with many highs near or above freezing and lows in the 20s.

Tuesday and Wednesday: Unsettled weather with chances for more snow and/or rain-snow mix returns for much of next week. Models are continuing to show a late night/early Tuesday morning arrival in the Cascades as it moves into the region. Snow levels at arrival begin low with possibility of snow for all, but the levels rise with the day. Therefore, lower elevations in southeastern WA and parts of the ID Panhandle are likely to see a rain-snow mix in the afternoon. Looking into Tuesday evening and Wednesday, a majority of the region will be dry, but higher elevations will still see some lingering snow showers. As the days approach, eyes on the mountain passes will be essential, but low confidence in snow totals at the moment.

Thursday and Friday: The remainder of the week will be in an unsettled pattern. Models continue to show the probability for precipitation scattered across the Pacific Northwest. Temperatures will likely remain in seasonal normals with no indication for the bitterly cold temperatures like last week. JS

AVIATION. 00z TAFS: A variable cloud cover with some spotty fog lingers this evening but will be overrun by the next winter weather system approaching the aviation area from the west. Clouds and ceilings will thicken and lower as this system moves through along with potential for considerable snowfall, the most intense snowfall intensity producing IFR/LIFR conditions being between 15-22Z Saturday, but beginning as early as 10Z near KEAT. In addition there is spotty hit and miss convective showers forming over Southwest Washington and Northeast Oregon and these are moving to the northeast and may impact the far east TAF sites between 00-06Z Saturday. /Pelatti

PRELIMINARY POINT TEMPS/POPS. Spokane 22 34 30 38 27 37 / 30 90 30 0 0 0 Coeur d'Alene 23 34 32 40 28 38 / 40 90 50 10 0 0 Pullman 26 34 28 37 29 36 / 20 70 30 0 0 0 Lewiston 27 39 31 42 31 42 / 10 60 20 0 0 0 Colville 17 32 27 36 27 36 / 30 90 30 10 0 10 Sandpoint 22 32 30 38 28 38 / 40 90 60 20 0 0 Kellogg 22 33 30 40 28 40 / 40 90 70 20 0 0 Moses Lake 23 34 25 36 28 38 / 50 90 10 0 0 0 Wenatchee 18 31 24 35 28 35 / 70 90 10 10 10 10 Omak 19 30 28 35 29 37 / 50 90 30 20 10 10

OTX WATCHES/WARNINGS/ADVISORIES. ID . Winter Weather Advisory from 7 AM to 10 PM PST Saturday for Northern Panhandle.

Winter Weather Advisory from 4 AM to 7 PM PST Saturday for Coeur d'Alene Area.

WA . Winter Storm Warning from 10 PM this evening to 5 PM PST Saturday for East Slopes Northern Cascades.

Winter Weather Advisory from 7 AM to 10 PM PST Saturday for Northeast Mountains.

Winter Storm Warning from 1 AM to 5 PM PST Saturday for Okanogan Valley-Waterville Plateau-Wenatchee Area.

Winter Weather Advisory from 4 AM to 7 PM PST Saturday for Spokane Area.

Winter Storm Warning from 4 AM to 10 PM PST Saturday for Okanogan Highlands.

Winter Weather Advisory from 1 AM to 5 PM PST Saturday for Moses Lake Area-Upper Columbia Basin.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sandpoint, Sandpoint Airport, ID3 mi33 minSW 310.00 miOvercast30°F23°F75%1023.4 hPa

Link to 5 minute data for KSZT

Wind History from SZT (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmW3SW6SW5SW4SW4SW6SW8SW5S6W6SW8W7W6SW4CalmW3
1 day agoNE11
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NE12NE7NE10NE11NE9NE11NE9N14
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NE10NE8NE4CalmN6NE5NE3CalmNE7--
2 days agoS6SW4SW7SW6SW6SW6SW5SW3CalmSW5S5S4S4CalmCalmCalmCalmCalmCalmN4NE4NE7NE11N11

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_P
GEOS Local Image of PacificNorthwest    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Spokane, WA (19,4,5,8)
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Ground Weather Radar Station Spokane, WA
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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.