Monday, July6, 2020
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Marine Weather and Tides
Moscow, 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 5:00AMSunset 8:45PM Monday July 6, 2020 2:33 PM PDT (21:33 UTC) Moonrise 10:18PMMoonset 6:21AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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 Moscow, ID
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location: 46.73, -117     debug


Area Discussion for - Spokane, WA
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FXUS66 KOTX 062105 AFDOTX

Area Forecast Discussion National Weather Service Spokane WA 205 PM PDT Mon Jul 6 2020

SYNOPSIS. Expect a pair of weather systems to pass through the region this week. The first system arrives Monday night into Tuesday with a second, Thursday night into Friday. Each will bring breezy winds, cooler temperatures, a chance of showers and a few thunderstorms. Generally cooler than normal and potentially breezy weather continues into the weekend.

DISCUSSION. Tonight through Tuesday night: An upper level trough centered off the WA/OR coast this afternoon will move east over the area into Tuesday. Tonight models are in good agreement of elevated convection firing along and ahead of a cold front over SE Washington into the ID Panhandle. Initially this activity looks to develop over Oregon this evening before tracking NE into our region overnight. With elevated CAPE of 100-400 J/KG and moderate forcing with the incoming trough some lightning activity is expected but given low values of elevated CAPE current thinking it will be mainly isolated in coverage. Models show the most favored areas to be from the palouse extending northeast into the Central Panhandle Mountains. Although some of the higher res guidance develops convection as far west as the Tri-Cities area up through Spokane and Sandpoint so have mentioned a slight chance of thunderstorms for these areas as well.

This axis of elevated convection slides east into Montana by late Tuesday morning before a second round of showers and thunderstorms develops over the northern mountains Tuesday afternoon/evening under the cold pool aloft. These storms will likely feature brief downpours, gusty winds, and potentially small hail. This activity is expected to remain north of the Spokane/Coeur d'Alene areas. Further south breezy winds will be the main story across the Wenatchee area, Columbia Basin, West Plains, and Palouse with gusts in the 25-35 MPH range, except locally 40 MPH in the windy spots such as Wenatchee, Waterville, and Vantage. This will raise the concern for fire spread in dry grass but relative humidity should remain above critical thresholds. JW

Wednesday: A shortwave ridge will move through the region for mostly dry conditions. There will be a slight chance of afternoon showers right along the crest of the Cascades and near the WA/ID/Canadian border. Even though skies will be mostly clear to partly cloudy, temperatures will remain about 4 to 7 degrees below average. The GFS, EC and Canadian ensembles all have low 70s for Spokane, which is still several degrees cooler than what the blend is showing. Have trended towards the ensembles and have valley temps in the low to mid 70s for NE WA and N ID with near 80 across central WA. The EC ensemble member is showing afternoon wind gusts across portions of the eastern Columbia Basin into the Palouse and Spokane area. Gusts will not be as strong as Tuesday, but gusts 15-25 mph is possible during the afternoon.

Thursday through Monday: The persistent trough pattern we have been in for the last few weeks will continue through this period. This will keep our temperatures at or a few degrees below average. The ensemble models all suggest temperatures several degrees cooler than what the NBM is showing. Have trended the temperatures down a few degrees. It looks like Saturday will be our warmest day during this period, with temps right at average . 80s. The best chance of showers and isolated thunderstorms will be across the mountains during the afternoon hours. There looks to be a front that moves through Thur night/Friday morning. GFS is showing some elevated instability moving into the Camas Prairie and southern parts of Shoshone county. Confidence is not high this far out, but do have mention of a slight chance of thunder through the night. Friday afternoon could be another locally breezy day . mainly for the Ritzville/Spokane/Pullman/Walla Walla areas. /Nisbet

AVIATION. 18Z TAFS: Mostly clear skies and terrain driven winds less than 10 kts will continue through the afternoon. A cold front will pass through tonight into Tuesday AM. From 06Z- 12Z, there will be an increase chance of showers and thunderstorms at KPUW/KLWS with KCOE expected to be on the fringes. There is a small threat of this activity also impacting KGEG/KSFF but confidence too low to include in TAF. Winds will be picking up at KEAT around 01Z with gusts to 20-25KT. Conditions will remain VFR across Central and Eastern WA, with some MVFR conditions possible in the ID Panhandle 12-18z TUE. JW

PRELIMINARY POINT TEMPS/POPS. Spokane 54 73 49 73 51 80 / 30 30 10 0 0 0 Coeur d'Alene 53 70 49 70 50 78 / 50 50 10 0 0 0 Pullman 53 69 46 69 49 78 / 60 40 0 0 0 0 Lewiston 59 77 55 77 56 84 / 60 50 0 0 0 0 Colville 51 74 48 75 49 80 / 10 70 40 10 0 10 Sandpoint 52 70 50 69 50 77 / 20 60 40 10 0 0 Kellogg 54 67 50 66 50 76 / 50 60 10 10 0 0 Moses Lake 56 80 51 81 54 86 / 0 0 0 0 0 0 Wenatchee 58 76 54 80 57 82 / 0 0 0 0 0 10 Omak 58 77 52 79 56 81 / 20 40 10 0 0 10

OTX WATCHES/WARNINGS/ADVISORIES. ID . None. WA . None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pullman / Moscow Regional Airport, WA7 mi40 minVar 410.00 miFair77°F44°F31%1013.9 hPa
Lewiston, Lewiston-Nez Perce County Airport, ID24 mi37 minNW 610.00 miFair84°F48°F29%1011.1 hPa

Link to 5 minute data for KPUW

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Last 24hr5NE6N4N4N4N4CalmE3CalmCalmCalmCalmCalmCalmCalmCalmCalmN6N4N53NE4SW34
1 day agoW8--W9W7W4W3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3N4N6333--
2 days agoNW5NW75W8W4W5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW11W8W7NW6465

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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 (17,4,5,8)
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Ground Weather Radar Station Spokane, WA
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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.