Tuesday, August11, 2020
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Marine Weather and Tides
Harper, OR

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 6:46AMSunset 8:57PM Tuesday August 11, 2020 1:29 PM MDT (19:29 UTC) Moonrise 11:59PMMoonset 1:46PM Illumination 46% Phase: Third Quarter Moon; Moon at 23 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 Harper, OR
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location: 43.58, -117.51     debug


Area Discussion for - Boise, ID
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FXUS65 KBOI 111516 AFDBOI

Area Forecast Discussion National Weather Service Boise ID 916 AM MDT Tue Aug 11 2020

DISCUSSION. Main concern continues to be isolated thunderstorms this afternoon and evening south of Rome/OR to Mountain Home to Fairfield. Latest HRRR model shows outflow winds reaching those locations from thunderstorms to the south. Gusts 40 to 50 mph. Today will be about 5 degrees warmer than yesterday. Cold front Wednesday looks stronger than it did yesterday. Front expected in eastern Oregon midday and western Idaho in the afternoon. High temps Wednesday will lower 8 to 15 degrees in Oregon and 4 to 8 degrees in Idaho, with several degrees further cooling Thursday. No rain is forecast with the front but post-frontal west winds will increase in all areas Wednesday. A Fire Weather Watch has been recently issued for the Owyhee Mountains for Wednesday afternoon and evening for wind and low relative humidity. Current forecast looks good. No updates.

AVIATION. VFR. Isolated showers and thunderstorms this afternoon mainly south of a KREO-KMUO-KSUN line. Surface winds: variable 10kt in the Snake Plain, SW 10-20 kt elsewhere after 20Z. Thunderstorms may produce gusty erratic winds up to 50kt. Winds aloft at 10k feet MSL: W-SW 10-20 kt increasing to W-SW 25-35kt by 12z/Wed.

PREV DISCUSSION. SHORT TERM . Today through Thursday night . Dry westerly winds aloft for much of the area today then a shift to west-southwest as an upper level trough begins to dip into the area. This west- southwest flow will bring a bit of moisture into the area allowing for areas of showers and afternoon thunderstorms for portions of our CWA near the Nevada border. High-res models are indicating a more northern extent in this push, but will keep the current forecast as is. A cold-front associated with this trough will make its way through the CWA Wednesday bringing cooler temperatures and breezy conditions. Not much in the way of precipitation with this system. Thursday will see drier conditions once more with temperatures still lingering below normal.

LONG TERM . Friday through Tuesday . West-northwest flow Friday and Saturday will remain dry and start a warming trend across the region. An upper high centered over the Desert Southwest will expand northward on Sunday bringing further warming. Model solutions in better agreement tonight on the initial surge of heat for Sun/Mon with the ridge axis extending through ID. While much of the period will be dry, will need to keep an eye on potential moisture working into the region on Monday. Though continued hot beyond Monday, seeing a larger spread in temperatures in response to timing differences of a trough approaching the Pac NW coast. Sunday and Monday are the warmest days of the period with temperatures around 10 degrees above normal which will put lower valley locations around 100.

BOI WATCHES/WARNINGS/ADVISORIES. ID . Fire Weather Watch from Wednesday afternoon through Wednesday afternoon through Wednesday evening IDZ423. OR . None.



www.weather.gov/Boise www.facebook.com/NWSBoise www.twitter.com/NWSBoise

DISCUSSION . LC AVIATION . KA PREV SHORT TERM . JC PREV LONG TERM . DG


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ontario Municipal Airport, OR40 mi36 minN 010.00 miFair87°F48°F26%1010.5 hPa

Link to 5 minute data for KONO

Wind History from ONO (wind in knots)
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Last 24hr3E4CalmCalmSW3S3S4S6CalmE4CalmW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day ago3N11
G18
NW9
G14
NW14NW13N12N13
G18
NW16N16
G23
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NW11W6W7W6NW5NW11W7W6W10W5W85CalmSE5
2 days ago3CalmE5SE7SE4NE3N4W3W5NW12NW14N16
G24
N12
G20
NW12NW14NW14NW14
G20
CalmW12
G16
NW14NW14NW8W5Calm

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 Boise, ID (15,3,4,5)
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Ground Weather Radar Station Boise, ID
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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.