Weather Alerts for Western Prince William Sound

Issued by the National Weather Service

Flood Watch  FLOOD WATCH   Flood Watch
WESTERN PRINCE WILLIAM SOUND

Areas Affected:
Eastern Alaska Range
Effective: Tue, 8/11 4:38pm Updated: Tue, 8/11 5:30pm Urgency: Future
Expires: Wed, 8/12 8:00am Severity:  Moderate  Certainty: Possible

 
Details:
...Flooding Possible of Creeks and Rivers Draining the Alaska
Range from Tanacross to Delta Junction, and from Delta Junction
to Black Rapids through Wednesday Morning...
...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING...
The Flood Watch continues for
* Creeks and Rivers Draining the Alaska Range from Delta Junction
to Black Rapids and east to the Robertson River.
* Through Wednesday morning
* Over 2 inches of rain fell since Sunday over the Alaska Range
from Delta Junction to Black Rapids, and Delta Junction to
Tanacross. North facing slopes of the Alaska Range could have
had as much as 4 or 5 inches. Most of the rain tapered off
Monday night.
* Expect this rain to cause flooding of some streams and creeks
along the Alaska Range through Wednesday morning from Delta
Junction to Black Rapids east to the Robertson River. Water
has now drained out of shorter creeks, but longer waterways
such Jarvis Creek, and the Delta, Gerstle, Johnson and
Goodpaster Rivers still have high water moving down them and
could still flood. This type of event has the potential to
wash out Highways if culverts or bridges become over run by
water.

Information:
A Flood Watch means there is a potential for flooding based on
current forecasts.
You should monitor later forecasts and be alert for possible
flood warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

Special Weather Statement  SPECIAL WEATHER STATEMENT   Special Weather Statement
WESTERN PRINCE WILLIAM SOUND

Areas Affected:
Deltana and Tanana Flats - Eastern Alaska Range - Middle Tanana Valley - Upper Tanana Valley and the Fortymile Country - Yukon Flats and Surrounding Uplands
Effective: Tue, 8/11 4:38pm Updated: Tue, 8/11 5:30pm Urgency: Expected
Expires: Wed, 8/12 8:00am Severity: Minor Certainty: Observed

 
Details:
...High Water on Eastern Eastern Interior Rivers...
Heavy rain has tapered off over the Eastern Interior south and
east of Fairbanks, but there will be localized brief heavy
showers in thunderstorms through Wednesday. Over 1 inch of rain
fell between Sunday and Monday from Circle south to Gold King and
east to Tanacross, with over 2 inches of rain along the north
side of the Alaska Range between the Delta River and Robertson
River. Mountainous areas between The Delta River and Robertson
River could have had as much as 5 inches of rain.
Expect this rain to cause flooding of some streams and creeks
along the Alaska Range through Wednesday morning from Dot Lake to
Delta Junction, and from Delta Junction to Black Rapids. Water has
now drained out of shorter creeks, but longer waterways such
Jarvis Creek, and the Delta, Gerstle, Johnson and Robertson Rivers
still have high water moving down them and could still flood.
This type of event has the potential to wash out highways along
the Alaska Range if culverts or bridges become over run by water.
This could cause flooding through Wednesday morning in the Delta
Junction area near streams and creeks draining from the Alaska
Range such as Jarvis Creek, and along the Delta River between
Jarvis Creek and the Tanana River. This could also cause flooding
along Spengler Rd and near Whitestone Farms. This type of event
has the potential to wash out Highways if culverts or bridges
become over run by water.
High water is expected through Thursday on the Charley River, the
Goodpaster River, the Salcha River, the Fortymile River the
Tanana River and Birch Creek, but flooding is not expected on
these rivers.
The Tanana River near Fairbanks is expected to rise to near
bankfull on Wednesday or Thursday. The Chena River near Fairbanks
should see little change.



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