Sunday, December15, 2019
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Marine Weather and Tides
Foxfield, CO

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 7:11AMSunset 4:37PM Sunday December 15, 2019 3:01 PM MST (22:01 UTC) Moonrise 9:22PMMoonset 11:20AM Illumination 82% Phase: Waning Gibbous; Moon at 19 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 Foxfield, CO
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location: 39.64, -104.8     debug


Area Discussion for - Denver/Boulder, CO
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FXUS65 KBOU 152035 AFDBOU

Area Forecast Discussion National Weather Service Denver/Boulder CO 135 PM MST Sun Dec 15 2019

SHORT TERM. (This evening through Monday) Issued at 135 PM MST Sun Dec 15 2019

What is left of a weak upper level trough will move across southern Colorado tonight. Moisture associated with this system will continue to produce some light snow over the southern part of the forecast area. The best chance of snow will remain mainly south of Interstate 70. For Denver, there will be a slight chance of snowfall until around 8 am Monday morning. On Monday increasing mid and upper level stability will develop behind the exiting trough. The flow aloft will be dry, weak and northwesterly for Monday afternoon. Continued cooler than normal temperatures but more sunshine especially in the afternoon.

LONG TERM. (Monday night through Sunday) Issued at 135 PM MST Sun Dec 15 2019

By Monday evening, the upper trough will have shifted southeast bringing Colorado into northwest flow aloft. Weak moisture embedded in the flow could bring some light snow to the northern mountains overnight into Tuesday with little to no additional accumulation expected. Levels will dry out Tuesday with an upper ridge building in to the region. This dry period will last through Wednesday with temperatures warming into the mid 50s on the plains with the help of increased downslope warming provided by a lee side low.

A trough will be across southern ID and UT and will progress eastward into central Colorado by Thursday afternoon. Models are not excited with this system as moisture seems to be lacking. Will maintain a slight chance of snow over the higher elevations of the northern and central mountains while keeping the plains dry. Temperatures will drop around 5-8 degrees from Wednesday under mostly cloudy conditions. Model cross-sections show winds increasing across the higher elevations with speeds up to 45 mph possible.

Behind the exiting trough upper level ridging will build in bringing dry and warming conditions through Monday. Highs could reach 10 to 15 degrees above normal by the weekend.

AVIATION. (For the 18Z TAFS through 18Z Monday afternoon) Issued at 135 PM MST Sun Dec 15 2019

Overall expected VFR conditions through midday Monday. There is the potential for light snow until around 15z Sunday, but much of this should remain south of the terminals. If it does slip further north, then could see some ILS restrictions with broken ceilings 040-050. Generally light winds (under 10 kts) shifting to a southerly drainage overnight, then southwest/west on Monday.

BOU WATCHES/WARNINGS/ADVISORIES. None.

SHORT TERM . Cooper LONG TERM . Bowen AVIATION . Cooper


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Denver - Centennial Airport, CO6 mi68 minNE 510.00 miMostly Cloudy29°F12°F49%1014 hPa
Buckley Air Force Base Airport, CO7 mi63 minENE 610.00 miMostly Cloudy28°F13°F54%1012.4 hPa
Denver, Denver International Airport, CO16 mi68 minVar 510.00 miMostly Cloudy31°F14°F49%1011.9 hPa
Denver Nexrad, CO17 mi66 minENE 710.00 miOvercast32°F15°F51%1010.5 hPa

Link to 5 minute data for KAPA

Wind History from APA (wind in knots)
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Last 24hrN12NE3SE5S5S7S8E4NW4SW4W3CalmSW4SE6SE3NE4CalmNE3Calm3E63NE4NE5NE5
1 day agoNW20
G32
N20
G26
NW13
G20
E5SE7S11S10SE10SE9S10SE10SE13
G21
SE11S8W6W5W5W4NW3N3NE54N9N12
2 days agoCalmCalmW6W10NE6SE3CalmSW5E3SW6S7SW9SW8SW5E5W11
G22
NW6NW14NW14NW21
G32
NW28
G40
NW30
G46
NW26
G38
NW24
G34

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    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 Denver/Boulder, CO (17,4,5,8)
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Ground Weather Radar Station Denver/Boulder, CO
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weather_mapweather_map weather_map

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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 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.