Tall Timber, CO Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Tall Timber, CO

December 9, 2023 8:59 AM MST (15:59 UTC)
Sunrise 7:09AM   Sunset 4:37PM   Moonrise  3:42AM   Moonset 2:17PM 

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7 Day Forecast for Marine Location Near Tall Timber, CO
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Area Discussion for - Denver/Boulder, CO
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Area Forecast Discussion National Weather Service Denver/Boulder CO 435 AM MST Sat Dec 9 2023


- Light mountain snow through this evening.

- Wind gusts to 45 mph eastern plains today.

- Potential for high winds up to 80 mph in the higher mountains and Front Range Foothills on Sunday.

(Today and tonight)
Issued at 306 AM MST Sat Dec 9 2023

Snow will continue to decrease through the early morning, ending by sunrise across the foothills and Urban Corridor. Left in the snow's wake will be snow covered and slippery roads this morning.
The worst driving conditions will be found west of I-25 and into the foothills and mountains. Speaking of the mountains, areas of light snow are expected through the day due orographic lift caused by the northwest flow. Additional snowfall is expected to be light, less than 2 inches. Cross sections show that the moisture slowly decreases through out the day and the snow will come to an end this evening. It will be a chilly day under the north- northwest flow aloft. Highs across northeast Colorado will be mainly in the mid to upper 30s. Downslope off the Cheyenne ridge, could push temperatures into the lower 40s from Greeley to Fort Morgan. Expect gusty north winds across the eastern plains with gusts to 45 mph.

Winds ramp up in the Front Range Mountains and higher foothills late tonight as northwest flow aloft increases. A mountain wave may set up late tonight, but a better chance for one Sunday morning. A quiet night is expected across the plains with lows in the teens.

(Sunday through Friday)
Issued at 306 AM MST Sat Dec 9 2023

Main concern on Sunday is the high wind threat over the higher mountains and Front Range foothills. There will be a strong northwest flow pattern in place while the strong 105+kt jet streak remains north of Colorado across Wyoming. Cross sections showing 40- 50kt cross barrier flow Sunday morning while mountain top inversion strengthens after 12z between 700-750mb. Local wind programs indicate pretty decent chances for high winds on Sunday while the surface pressure gradient across the state tightens 12-17mb from GJT to DEN. High resolution models showing gusts in excess of 70kt Sunday morning then slowly decreasing Sunday afternoon. Given the above parameters, a high wind watch is warranted for Sunday over the higher mountains and foothills and will be issued with this morning's forecast package. A warming trend is also in the cards Sunday with the increasing downslope flow and warming at 700mb across lower elevations.

Given the persistent northwest flow pattern, there is enough moisture for areas of light orographic snow showers in the mountains, especially late Sunday into early Monday. Temperatures will continue at seasonal normals. Forecast confidence decreases through much of next week as the next upper trof develops into a closed low somewhere over the Great Basin and desert southwest by the middle of next week. Overall the majority of the models (GFS/Canadian) keep the brunt of the energy and moisture south of Colorado. However the European solution keeps the low further north towards southwest Colorado which could mean more potential snowfall for Colorado. Each run, however changes and not much confidence in any one solution. Will keep a chance of snow in the mountains for now but mainly dry across lower elevations through the week.

(For the 12Z TAFS through 12Z Sunday morning)
Issued at 435 AM MST Sat Dec 9 2023

Snow has ended at the Denver airports. Skies to remain sct-bkn this morning before thinning some this afternoon. Ceilings through 15-16Z look to be 6000-8000 feet. Light west to southwest winds will turn northerly 15-17Z as northerly winds aloft mix down.
Gusts to 25 knots will be possible at DEN, with stronger winds not far off to the east. The northerly winds end by 00Z and become a southerly drainage direction at DEN and APA. For BJC, light winds are expect around 00Z, but gusty west winds may form overnight, around 06Z with gusts of 25-35 knots possible.


High Wind Watch from late tonight through Sunday afternoon for COZ033>036.

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KBDU BOULDER MUNI,CO 7 sm24 minSSW 0410 smClear28°F21°F74%30.28
KBJC ROCKY MOUNTAIN METROPOLITAN,CO 11 sm74 minWNW 0510 smMostly Cloudy25°F18°F74%30.26
KEIK ERIE MUNI,CO 15 sm19 minno data--
KLMO VANCE BRAND,CO 16 sm24 mincalm10 smClear25°F21°F86%30.31

Wind History from BDU
(wind in knots)

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Denver/Boulder, CO,

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