Saturday, August24, 2019 L-36.com


Marine Weather and Tides
Brighton, CO

Version 3.4
NOTICE
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 6:18AMSunset 7:45PM Saturday August 24, 2019 6:31 PM MDT (00:31 UTC) Moonrise 12:14AMMoonset 3:01PM Illumination 30% Phase: Waning Crescent; Moon at 24 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
    EDIT      (on/off)   Help


7 Day Forecast for Marine Location Near Brighton, CO
   Hourly   EDIT   Help
location: 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 map

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Denver, Denver International Airport, CO8 mi99 minVar 410.00 miMostly Cloudy87°F30°F13%1008.2 hPa
Buckley Air Force Base Airport, CO15 mi94 minENE 610.00 miMostly Cloudy85°F36°F18%1009.3 hPa
Erie Municipal Airport, CO16 mi58 minE 410.00 miFair85°F29°F13%1016.9 hPa
Denver Nexrad, CO16 mi1.7 hrsNNE 310.00 miMostly Cloudy84°F33°F16%1016.9 hPa
Broomfield / Jeffco, CO19 mi1.8 hrsNE 410.00 miPartly Cloudy86°F32°F14%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 24hrSE13
G31
E11--------S12E11
G18
E12E10
G18
SE6W11W10W10NW6NW4E7344N654Calm
1 day agoS13------E20
G31
------SW11S11S10S11--SW10NW9W5NW4NE8E7NE9NW6SE14
G18
SE23
G32
SE20
G28
2 days agoE7S13
G25
--S13
G20
NW12--SE10S7--SW3W6W3SE7S4--E5SE7SE63W13SW18
G23
S20
G33
S16
G23
--

Tide / Current Tables for
   EDIT   Weekend mode (on/off)   (on/off)   Help
Tide / Current Tables for
   EDIT      (on/off)   Help
Weather Map and Satellite Images
       (on/off)   HelpWeather Map
wmap_P
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)
      (on/off)   Help

Ground Weather Radar Station Denver/Boulder, CO
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.