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Flood Watch
National Weather Service Fairbanks AK
1058 AM AKDT Sat Jun 14 2025

AKZ804>806-808>810-152000-
/O.CON.PAFG.FA.A.0003.000000T0000Z-250618T0000Z/
/00000.0.SM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Central Beaufort Sea Coast-Eastern Beaufort Sea Coast-Western
Arctic Plains-Central Arctic Plains-Central Brooks Range-Romanzof
Mountains-
Including the cities of Prudhoe Bay, Kaktovik, the Dalton Highway
from MP 232 to MP 322, the Dalton Highway north of MP 387,
Deadhorse, Nuiqsut, Umiat, Galbraith Lake, the Dalton Highway
from MP 322 to MP 387, Point Thomson, Anaktuvuk Pass, Flaxman
Island, Franklin Bluffs, Atigun Pass, Headwaters of the Canning
River, Kuparuk, Sagwon, and Alpine
1058 AM AKDT Sat Jun 14 2025

...FLOOD WATCH FOR SNOWMELT REMAINS IN EFFECT THROUGH TUESDAY
AFTERNOON...

* WHAT...Flooding caused by snowmelt continues to be possible.

* WHERE...Rivers and creeks draining the Brooks Range including
  areas around Atigun Pass, Galbraith Lake, and The Dalton Highway
  from Mp 232 To Mp 322, the Central Arctic Plains, Central Beaufort
  Sea Coast, Eastern Beaufort Sea Coast, and Western Arctic Plains.

* WHEN...Through Tuesday afternoon.

* IMPACTS...Rapid snowmelt and ice jams could lead to flooding of
  rivers and streams across the North Slope. Access to roads,
  airstrips, and low-lying infrastructure may be affected. High
  flows could lead to bank erosion that could threaten nearby roads.

* ADDITIONAL DETAILS...
  - Flooding is likely across portions of the North Slope due to
    an unusually deep and persistent late-season snowpack
    combined with a sharp and prolonged warming trend through
    next week. A rapid onset of snowmelt has begun as
    temperatures have warmed into the 50`s and 60`s over the past
    couple of days across the North Slope and are expected to
    remain well above average through the middle of next week.
    River levels have begun to rise and will likely crest early
    next week. Ice has begun to breakup on the upper part of the
    Sag River on Thursday with DOT reporting water over a portion
    of the Dalton Highway near MP 323. Reports also show that the
    Colville River is beginning to breakup. A 2-mile long ice jam
    was reported Friday evening along the Colville at Ocean Point
    with no flooding or impacts. Intact ice remains on many of
    the larger rivers, and the sudden influx of snowmelt runoff
    could lead to ice jam formation. These jams can cause sudden
    and severe rises in water levels, posing a significant threat
    to roads or other infrastructure near the affected waterways.

  - Http://www.weather.gov/aprfc

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons living along streams should stay alert and be prepared to
take action if a warning or advisory is issued, or flooding is
observed.

Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.

&&

$$

AJS