National Weather Service Forecast Discussion for Thornton and Denver, Colorado

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000
FXUS65 KBOU 051932
AFDBOU

Area Forecast Discussion
National Weather Service Denver/Boulder CO
1232 PM MST Sat Dec 5 2020

.SHORT TERM...(This evening through Sunday)
Issued at 1201 PM MST Sat Dec 5 2020

Very little change in the upper air pattern through Sunday with
the high amplitude ridge of high pressure in control over Colorado.
Very dry airmass continues with mainly clear skies expected under
a light northerly flow aloft. A weak Pacific system incoming off
the Pacific Northwest will encounter the ridge force field and
drop southward through the Great Basin on Sunday. There will be
some low level warming on Sunday as 700mb temperatures climb to
around +2c. This will allow afternoon temperatures to rise up
around 60 degrees across the plains.

.LONG TERM...(Sunday night through Saturday)
Issued at 1201 PM MST Sat Dec 5 2020

Dry weather and above normal temperatures are expected across North
Central and Northeast Colorado Sunday night through Wednesday as an
upper level ridge of high pressure remains entrenched over the Rocky
Mountain Region. Max temperatures through this period are
expected to be 15 to 20 degrees above normal. The warm and dry
weather combined with some wind gusts to 20 mph may lead to
elevated fire danger on Tuesday mainly along the Cheyenne Ridge.

Cooler temperatures are expected on Thursday as an upper level
shortwave and associated cold front moves across the state.
Moisture looks to be limited with this system, therefore no
precipitation is expected with the exception of a few light snow
showers over the higher peaks. The cooler unsettled weather is
expected to continue into the weekend as another storm system
moves across the state. The 12Z model solutions from this morning
are quite a bit weaker than yesterday`s runs. Therefore, the
chances for any beneficial precipitation do not look too
promising.


&&

.AVIATION...(For the 18Z TAFS through 18Z Sunday afternoon)
Issued at 1201 PM MST Sat Dec 5 2020

VFR with mainly clear skies through Sunday. Light northeast to
east winds will shift south and southwest this evening and
continue tonight. Wind speeds generally 10kt or less.


&&

.BOU WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

SHORT TERM...Entrekin
LONG TERM...jk
AVIATION...Entrekin

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