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000
FXAK69 PAFG 042148 CCA
AFDAFG

Northern Alaska Forecast Discussion...CORRECTED
National Weather Service Fairbanks AK
148 PM AKDT Sun Jun 4 2023

.SYNOPSIS...
A strong ridge aloft over NW Canada will build west over the
Southeast Interior today, and build over all of Northern Alaska
tonight and Mon, and then persist into mid-week. This will cause a
warming conditions over the Southeast Interior through Tuesday.
A slight chance of thunderstorms over the Interior Tue-Wed.

.DISCUSSION...
Upper Levels and Analysis...
Models in good agreement with through the short term with an
upper low over the Arctic that will track northeast on Monday
while strong ridging builds over much of the state Monday and
Tuesday. A series of lows will remain over the western Bering
through mid week keeping the southern west coast unsettled.

North Slope and Brooks Range...Snow tapering off over the Brooks
range today, Atigun pass picked up 6 inches of snow last night. A
cold front stretching from this low to Deadhorse to Anaktuvuk Pass
to Bethel will move to Barter Island to Bethel by 4pm Sun then
weaken tonight. This is causing rain and snow in a band along the
cold front with precip tapering off this afternoon into this
evening. There will be another 1-3 inches of snow in the Eastern
Brooks Range above 4000 ft today causing travel difficulties over
Atigun Pass today.

West Coast and Western Interior...A low with the remnants of
Typhoon Mahar will move over the Alaska Peninsula on Mon, and
then move northwest across Bristol Bay Mon night, and then west
across the Central Bering Sea on Tue. This will bring wet and
cooler conditions SW Alaska and St Lawrence Is Mon night and Tue,
and that may linger into Wed. Inland will be a bit warmer with
highs in the mid to upper 60s Mon-Wed.

Central and Eastern Interior...
South gap winds gusting 40 mph through AK Range Passes will
decrease this afternoon, then increase again on Mon PM and
continue into Tue. High pressure will build in aloft drying
things out for the Interior through Tuesday. A slight chance
of aftn thunderstorms over the eastern Interior on Tuesday.
Temperatures warm over the next several days with highs in the
upper 60s and lower 70s Mon-Wed.


Coastal Hazard Potential Days 3 and 4...None.

&&

.FIRE WEATHER..
A strong ridge aloft over NW Canada will build west south of the
Brooks Range today, and build over all of Northern Alaska tonight
and Mon and then persist into mid-week. This will cause a warming
and drying trend over the Southeast Interior today, and cause a
warming and drying trend over most of Interior AK Mon, with warm
and dry conditions continuing into mid-week. This will cause near
Red Flag conditions over the Eastern Interior Mon and Tue.
A slight chance of aftn thunderstorms over the eastern Interior
on Tuesday.

.HYDROLOGY...
Most rivers across Northern Alaska remain high, but will fall
slowly this week. The exception will be glacial fed rivers such
as the Tanana River which will rise through the week as freezing
levels rise.


&&

.AFG WATCHES/WARNINGS/ADVISORIES...
AK...None.
PK...Brisk Wind Advisory for PKZ811.
     Brisk Wind Advisory for PKZ813-859-860.
&&

$$