Wednesday, December11, 2019
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Marine Weather and Tides
Homedale, ID

Version 3.4
NOTICE
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.
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 8:08AMSunset 5:11PM Wednesday December 11, 2019 11:54 AM MST (18:54 UTC) Moonrise 5:06PMMoonset 7:30AM Illumination 100% Phase: Full Moon; Moon at 15 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 Homedale, ID
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location: 43.58, -117     debug


Area Discussion for - Boise, ID
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FXUS65 KBOI 111621 AFDBOI

Area Forecast Discussion National Weather Service Boise ID 921 AM MST Wed Dec 11 2019

DISCUSSION. Precipitation tapering off this morning across Central Idaho has the upper level trough exits. The Western Magic Valley will see a wintry mix of rain, snow and freezing rain through 11 AM MST. Forecast was updated earlier for the wintry mix. Otherwise, there will be a break in the precipitation today with the next system moving in late this evening. This system remains on track for widespread rain below 5000 feet and mountain snow beginning around midnight tonight. No significant changes in snow amounts as the models remain in good agreement. Winter weather advisories are already in place although they may need to be extended through Friday morning.

AVIATION. low VFR to MVFR ceilings this morning generally improving to VFR during the afternoon. Mountains obscured throughout. Isolated rain and snow showers with FZRA near TWF through 18z tapering off thereafter. Precipitation redeveloping and becoming widespread after 00z/Thu with snow levels rising to 4500- 6500ft MSL by 12z/Thu. Surface winds: SW-SE 5-15kt. Winds aloft at 10Kft MSL: W-SW 20-30kt increasing to 30-45kt by 06z/Thu.

PREV DISCUSSION. SHORT TERM . Today through Saturday . A weak short wave trough will finish moving through the area this morning. This is spreading light snow to parts of eastern Oregon at this time, and will soon bring the same to southwest Idaho. Latest model runs continue to show that this system is weak and low on moisture. Therefore, we have lowered PoPs and snow amounts. Another much stronger and wetter system is poised to move into the region this evening. A Winter Weather Advisory has previously been issued for this system, and no changes were made to the advisory. Moderate to heavy precipitation will move into the area this evening, with snow levels ranging from around 4000 feet in the north to near 6000 feet in the south. As upper level impulses repeatedly move over the area in westerly flow, snow will continue in the higher elevations with only brief breaks through Thursday night, then become more intermittent but still continue into Friday. Snow levels will rise Thursday afternoon, changing the snow to rain below around 5500 feet in the West-Central Mountains (including McCall), so the advisory ends at 11 am Thursday. Moisture will continue to be advected into the area through Saturday, and snow is in the forecast through then, but heavy snow is not likely in populated areas Friday night or Saturday. An upper level trough will move through Saturday, along with a cold front, dropping snow levels to valley floors. However, only light snow (less than an inch) is expected. Temps will be above normal through Friday, falling to near normal Saturday.

LONG TERM . Saturday Night through Wednesday . Snow levels remain on valley floors Sunday as the trough works its way to the south, keeping most of the moisture out of the CWA. An upper level ridge builds off the coast on Monday, maintaining dry northwest flow aloft through Tuesday. On Wednesday, flow becomes more westerly as another system approaches the coast. Temperatures will remain within a couple degrees of normal through the extended.

BOI WATCHES/WARNINGS/ADVISORIES. ID . Winter Weather Advisory from 8 PM this evening to 11 AM MST Thursday IDZ011-013. OR . None.



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

DISCUSSION . JDS AVIATION . KA PREV SHORT TERM . SP PREV LONG TERM . AL


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Caldwell - Caldwell Industrial Airport, ID20 mi59 minSE 610.00 miOvercast39°F32°F76%1024.2 hPa

Link to 5 minute data for KEUL

Wind History from EUL (wind in knots)
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Last 24hrE6SE8S7SE5S4S5E5E4E7SE7E8SE8SE7SE7E8E11SE4S5CalmSE4SE4SE6E4SE6
1 day agoW7W8W9W6W5W4NW4N4CalmS3CalmE3N4N4CalmNE3CalmSE3CalmCalmCalmCalmCalmSW3
2 days agoW9W8NW6W7W8W6NW5NW7NW8W6W6W6W9W8W6W5W6W3W4NW3CalmSW4W5NW5

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 Boise, ID (13,3,4,5)
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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 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.