Deer Trail, CO Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Deer Trail, CO

April 16, 2024 3:07 PM MDT (21:07 UTC) Change Location
Sunrise 6:17 AM   Sunset 7:39 PM
Moonrise 12:41 PM   Moonset 3:11 AM 
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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.

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7 Day Forecast for Marine Location Near Deer Trail, CO
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Area Discussion for - Denver/Boulder, CO
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FXUS65 KBOU 162106 AFDBOU

Area Forecast Discussion National Weather Service Denver/Boulder CO 306 PM MDT Tue Apr 16 2024

KEY MESSAGES

- Strong winds over the plains to decrease substantially after sunset this evening.

- Cooler, breezy and unsettled through Saturday with precipitation off and on. The best chances will be Wednesday night into Thursday morning and again Friday afternoon into Saturday.

- Drier and warmer by early next week.

SHORT TERM /Through Wednesday/
Issued at 307 PM MDT Tue Apr 16 2024

The strong northwesterly winds are still blowing over most of the plains at this time with plenty of gusts in the 50-60 mph range.
The weak convection over the plains has ended. There are still some light snow showers along the divide mountains at this time, with light accumulations.

Models show weak subsidence for the CWA overnight, then more benign synoptic scale energy on Wednesday. Models show moderate northwesterly flow aloft tonight, then 70-90 knot zonal jet level flow on Wednesday.

Concerning the winds, today's should subside early this evening with normal drainage patterns expected in most areas overnight. Cross sections show a weak mountain wave setup overnight into Wednesday.
Will make sure decent winds are in the forecast over the mountains and foothills. Models also show some northwesterly winds on the plains for Wednesday, but nothing like today's higher values. Of note; now all the models are showing the decent cold front and upslope to get into the CWA after 00z Wednesday late day. Some had it coming into the northeast corner by 21Z on earlier runs.

Shallow available moisture tonight will only support "isolated" mountain snow showers. Moisture increases a bit through the day Wednesday, especially over the northern CWA There should be some minor snow accumulations in the mountains by afternoon.

Wednesday's highs should be a couple degrees C warmer than this afternoon's.

LONG TERM /Wednesday night through Tuesday/
Issued at 235 PM MDT Tue Apr 16 2024

Wednesday night into Thursday, an west to east oriented jet max will pass across WY/northern CO. A cold front associated with the passing trough will push into the Denver by Wednesday evening, with post-frontal northeast upslope winds developing from around 03z to 18z Thursday. The upslope will be fairly shallow from the surface to 750 mb. In addition, most of the forecast area will be on the south side of the jet max with weak mid/upper level QG ascent Wednesday night followed by weak subsidence on Thursday.
With all this said, generally light to moderate precipitation expected. Temperatures will be near freezing Thursday morning, so the rain/snow mix to possible snow at that time for Denver but no impacts expected with warm pavement temperatures. In the mountain zones primarily north of I-70, some locations could get 4-6 inches, The best chance for precipitation with this system will be in the 03-15Z period. High temperatures will drop back to the mid 40s to lower 50s for Thursday. After a brief break in the activity, another period of unsettled weather will occur Friday and Saturday with a another wave of light to moderate precipitation expected. Some of the precipitation will be aided by the left entrance region of the exiting jetstream on Friday, then the trough itself passes across WY/CO Friday night into Saturday.
The trend will be shifting back to drier and warmer for the rest of the period as a ridge of high pressure builds over the West.
High temperatures will transition from the low 50s on Saturday to the mid 70s by Tuesday.

AVIATION /18Z TAFS through 18Z Wednesday/
Issued at 1221 PM MDT Tue Apr 16 2024

Northwesterly winds gusts in the 30-36 knots range should continue at DIA this afternoon. Models show winds decreasing around 00Z with weak drainage patterns expected by 04Z this evening. Ceiling should be in the SCT-BKN065-080 range this afternoon until about 00Z. Then there shouldn't be any ceiling issues until the cold front, upslope and Stratus move in around 00-03Z Wednesday evening.

BOU WATCHES/WARNINGS/ADVISORIES
Winter Weather Advisory until 3 PM MDT this afternoon for COZ031.

Winter Storm Warning until 3 PM MDT this afternoon for COZ033- 034.

High Wind Warning until 6 PM MDT this evening for COZ038-042-044- 046>051.




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