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Marine Weather and Tides
Version 3.4 |
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 6:18AM | Sunset 7:45PM | Saturday August 24, 2019 6:31 PM MDT (00:31 UTC) | Moonrise 12:14AM | Moonset 3:01PM | Illumination 30% |  |
7 Day Forecast for Marine Location Near Brighton, CO
Hourly EDIT Helplocation: 39.94, -104.76 debug
Area Discussion for - Denver/Boulder, CO
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus65 kbou 242133 afdbou area forecast discussion national weather service denver boulder co 333 pm mdt Sat aug 24 2019 Short term (this evening through Sunday) issued at 114 pm mdt Sat aug 24 2019 water vapor showing upper trof axis has shifted southeast into the far northeast corner of colorado this afternoon with building ridge of higher pressure upstream. QG fields showing increasing subsident flow over the northeast plains by this evening so not expecting any thunderstorms over the county warning area tonight. Further west towards the mountains, fair amount of mountain wave clouds this afternoon with decent gusty winds over the higher mountains passes with gusts in the 40-50 mph range up on berthoud pass today. Cloud cover has also kept temperatures a bit cooler today, more in the lower 80s so far this afternoon. Sunday will be characterized by a dry and moderate northwest flow regime across colorado. Main concerns will be the high fire danger, which will be addressed below with gusty winds and low humidities over mountains and higher terrain areas. Temperatures will warm considerably by Sunday afternoon with readings climbing well into the mid upper 90s as 700mb temperatures rise to around +19c. The record for denver is 99 degrees, so may be a degree or 2 shy. Forecast soundings show a dry airmass over the region with warming aloft and no chance for thunderstorms in the county warning area. Airmass will become well mixed by Sunday afternoon with gusty winds in the mountains and plains. Cross sections showing continue potential wind gusts of 30 to 50 mph over mountain passes. Long term (Sunday night through Saturday) issued at 300 pm mdt Sat aug 24 2019 a big pattern change will begin to take place on Sunday night lasting through the middle of the work week. This pattern will feature a strong longwave trough over the northern great plains with a surface cyclone over souther canada. The GEFS has the 500 mb heights in this trough at the minimum in the database over the north dakota area on Tuesday to give an idea of the strength and cold air associated with this trough. At the surface, a series of cold fronts will move through eastern colorado with the first arriving early Monday morning. This will cool high temperatures to the upper 70s and low 80s across the plains Monday afternoon. A longmont anticyclone will develop with strong northwest winds across the cheyenne ridge and northeast winds over the palmer divide. The slight upslope flow over the palmer divide could |
develop a shower or two Monday afternoon but there will be a strong mid level inversion which will greatly limit any shower activity. Another cold front will push through the area on Tuesday with even cooler air behind it. High were decreased to the 70s over the plains since there will likely be some cloudiness during the day. Showers and perhaps a weak thunderstorm will be possible along this front especially if the front comes through during the afternoon peak heating. The trough will continue to move eastward on Wednesday with an upper level ridge building over the southwest us. Downslope flow over our CWA will allow temperatures to climb slightly above normal with dry conditions. Weak shortwaves will move around the northern extent of this ridge on Thursday and Friday bringing a chance for scattered thunderstorms. Highs will be above normal and denver may get back into the 90s. Aviation (for the 18z tafs through 18z Sunday afternoon) issued at 114 pm mdt Sat aug 24 2019 vfr with still a good batch of mountain wave cloudiness today and this evening. Northerly winds at local terminals will shift east and southeast this evening before turning southerly drainage overnight. Airmass is dry in low levels with no thunderstorms expected through Monday. Fire weather Issued at 114 pm mdt Sat aug 24 2019 fire danger will be increasing by Sunday afternoon over the mountains and higher terrain towards the wyoming border. Minimum humidity levels will be dropping below 15 percent while mountain wind gusts expected in the 30 to 50 mph range during the afternoon. Will be upgrading the fire weather watch to a red flag warning for current areas. High mountains will be windy but humidities will be above 20 percent so won't have any flags raised there. Bou watches warnings advisories Red flag warning from 11 am to 8 pm mdt Sunday for coz211- 213>215-238-242. Short term... Entrekin long term... Danielson aviation... Entrekin fire weather... Entrekin |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a mapAirport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Denver, Denver International Airport, CO | 8 mi | 99 min | Var 4 | 10.00 mi | Mostly Cloudy | 87°F | 30°F | 13% | 1008.2 hPa |
| Buckley Air Force Base Airport, CO | 15 mi | 94 min | ENE 6 | 10.00 mi | Mostly Cloudy | 85°F | 36°F | 18% | 1009.3 hPa |
| Erie Municipal Airport, CO | 16 mi | 58 min | E 4 | 10.00 mi | Fair | 85°F | 29°F | 13% | 1016.9 hPa |
| Denver Nexrad, CO | 16 mi | 1.7 hrs | NNE 3 | 10.00 mi | Mostly Cloudy | 84°F | 33°F | 16% | 1016.9 hPa |
| Broomfield / Jeffco, CO | 19 mi | 1.8 hrs | NE 4 | 10.00 mi | Partly Cloudy | 86°F | 32°F | 14% | 1016.9 hPa |
Link to 5 minute data for KDEN
Wind History from DEN (wind in knots)
| 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | |
| Last 24hr | SE G31 | E | S | E G18 | E | E G18 | SE | W | W | W | NW | NW | E | N | Calm | |||||||||
| 1 day ago | S | E G31 | SW | S | S | S | SW | NW | W | NW | NE | E | NE | NW | SE G18 | SE G32 | SE G28 | |||||||
| 2 days ago | E | S G25 | S G20 | NW | SE | S | SW | W | W | SE | S | E | SE | SE | W | SW G23 | S G33 | S G23 |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
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GOES 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 (20,4,5,8)
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Ground Weather Radar Station Denver/Boulder, CO
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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. |