Florence, CO Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Florence, CO


December 1, 2023 8:47 AM MST (15:47 UTC)
Sunrise 6:57AM   Sunset 4:42PM   Moonrise  8:35PM   Moonset 11:03AM 

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7 Day Forecast for Marine Location Near Florence, CO
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Area Discussion for - Pueblo, CO
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FXUS65 KPUB 011544 AFDPUB

Area Forecast Discussion National Weather Service Pueblo CO 844 AM MST Fri Dec 1 2023

UPDATE
Issued at 843 AM MST Fri Dec 1 2023

A patchy area of snow over the far SE Plains has developed and has turned the roadways white in the Lamar area. Have updated the fcst to account for this band of snow. A tweet has been sent out discussing this area of snow. \/Hodanish

SHORT TERM
(Today and tonight)
Issued at 339 AM MST Fri Dec 1 2023

Key messages

- Heaviest snow in the Eastern San Juan Mountains with lighter snow over the remaining Continental Divide region and Sangre de Cristo Mountains.

Currently
Webcams and obs showing snow occurring over much of the Continental Divide region. Short term models are having some troubles with the coverage of the snow with the band of snow across the northern San Luis Valley. Some low clouds are developing over the southern slopes of the Palmer Divide with the southeast flow into the Palmer Divide.

Today and tonight
The main weather event is the first trough moving over the region tonight. The southwest flow ahead of the trough will bring the best orographics to the eastern San Juan Mountains where the advisory is currently in effect. Current forecast looks to be on track and did not make many adjustments. The heaviest snow will be ahead of the trough this afternoon and into the mid evening, with the snow becoming lighter later in the evening and overnight. With the best dynamics moving over the region during the afternoon and into the early evening, snow will also spread into the Sangre de Cristo Mountains with the northern Sangres being more favored for a few inches of snow. Further north, orographics are not favorable for Lake and Chaffee Counties with lighter accumulations.
East of the mountains, minimal precipitation is expected with fairly shallow upslope layer and the westerly flow aloft. Models have persistent with some light precipitation this evening over the Palmer Divide region as the trough passes over the region.
Currently, grids only have some modest PoPs and do not expect any impacts. --PGW--

LONG TERM
(Saturday through Thursday)
Issued at 339 AM MST Fri Dec 1 2023

Key Messages:

- Additional snow expected across the higher terrain Saturday and Sunday with the focus shifting to the central mountains.

- Windy across the area both Saturday and Sunday.

Saturday...The upper trough axis will shift east across the state on Sat, so snow that was initially falling all along the Continental Divide as well as the Sangres will then shift to the north through the afternoon and become more focused over the central mts. Expected snowfall through the day will amount to around an inch of new snow for the Eastern San Juans and La Garitas, and 2 to 5 inches of new snow for the central mts. The tight pressure gradient evident with this trough will produce stronger west to northwest winds across the higher terrain and I-25 Corridor by the afternoon as it swings east, but the second piece moves in by the evening as an upper jet with a 120 kt core pushes into the state. Sustained winds of 20-30 mph, gusting as high as 50 mph, can be expected so plan accordingly for outdoor decorations and loose items. As for temps, another cool day on tap with highs in the 30s for the high valleys, and mid 30s to mid 40s for the plains.

Sunday...Another day of strong northwest flow aloft as the upper jet lingers over the state through the day, but the winds should start diminishing by 5 or 6 PM. Snow is forecast to continue as well over the central mts through at least the first half of the day, with 1 to 2 inches of new snow expected. Snow showers will persist into the night but should remain very light overnight. Warmer air pushing in from the southwest will start to help warm things up across the cwa, with highs forecast to climb into the 40s for the high valleys, and mid 40s to mid 50s for the plains.

Monday through Thursday...Upper ridge of high pressure builds into the southwestern US for the next work week, with any lingering snow showers over the central mts quickly ending early Mon morning. Dry conditions with warming temps and lighter winds will be the pattern through the next work week, with high temps climbing to near 50F for the high valleys and well into the 60s for the plains. This will mean another round of afternoon high temps well above normal for this time of year, with the high valleys 5 to 10 degrees above normal, and the eastern plains 15 to 20 degrees above normal. Moore

AVIATION
(For the 12Z TAFS through 12Z Saturday morning)
Issued at 339 AM MST Fri Dec 1 2023

KCOS...MVFR ceilings continue into mid morning with VFR afterwards.
This evening, a trough passage could being some snow showers in the vicinity starting later in the afternoon and continuing into the evening. Current indications are light showers with very minimal, if any accumulations.

KPUB...VFR with generally light winds.

KALS...VFR with breezy southwest winds developing in the afternoon.
A brief snow shower is possible later in the afternoon with the trough passage. --PGW--



PUB WATCHES/WARNINGS/ADVISORIES
Winter Weather Advisory until 11 PM MST this evening for COZ068.


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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KFCS28 sm52 mincalm10 smOvercast23°F16°F74%29.79

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Pueblo, CO,



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