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Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Saturday
• 
• High: 41 °
• Low: 34 °
• Snow Showers

• Sunday
• 
• High: 43 °
• Low: 27 °
• Chance of Rain

• Monday
• 
• High: 41 °
• Low: 27 °
• Fog

• Tuesday
• 
• High: 48 °
• Low: 27 °
• Fog

• Wednesday
• 
• High: 39 °
• Low: 28 °
• Partly Cloudy

Northern Alaska forecast discussion...corrected 
National Weather Service Fairbanks Alaska 
132 PM akdt Sat may 25 2013 


Discussion... 
models in good agreement through early week on large scale 
features through next week with upper level high pressure ridge 
building west out of Canada over Mainland Alaska. Warm 
temperatures will continue over the eastern and central interior 
through the weekend and will continue to expand westward into 
early next week. There are minor differences with strength and 
timing on a weak short wave moving north out of the northern 
Pacific and moving into the central and eastern interior Sunday 
and another weak short wave moving northwest into the western 
interior Monday. Convective parameters look better for producing 
isolated showers or thunderstorms in the central and eastern 
interior with lifted index around minus 2 however best cape with 
values around 500 near the Canadian border. NAM seems to be the 
odd model with upper level energy moving into western interior 
Monday afternoon with lifted index around -2 and cape values 
topping out near 400 near Galena. 


Forecast focus continues to be on hydrological issues on several fronts. 
The warm air mass building into the eastern and central interior is 
causing rapid melt off of a still sizable snow pack above 2500 feet 
into small streams and rivers across the interior. Elevated water levels 
are noted on the Chatanika...upper chena...the little chena and 
the Salcha rivers. Flood Warning issued this morning on reports of 
large and quick water rises as well as reports of large chunks of 
ice moving down the Salcha river. Will continue to monitor situation 
closely with increased activity on and near area rivers over 
Memorial Day weekend. 


The ice breakup front on the river Yukon has moved approximately 50 
miles down river from Tanana where the Flood Watch has been 
cancelled. The ice jam just down river from the McGrath Airport 
released this morning with water levels falling at McGrath. Flood 
Watch was cancelled for McGrath as well. 


&& 


Fire weather... 
relative humidity values will be low over portions of the eastern interior with 
red flag warnings hoisted for zone 220 223 and 224. 


&& 


Hydrology... 
warm temperatures will continue across the interior with freezing 
levels above 7 kft. Rapid melt off of snow pack above 2500 feet will 
continue to keep water levels high on interior rivers. 


&& 


Afg watches/warnings/advisories... 
red flag warning for akz220-akz223-akz224. 
Flood Warning for ak222-ak223-ak224. 


&& 


$$ 


Ccc may 13