Weather Alerts for Matanuska Valley

Issued by the National Weather Service

Flood Advisory  FLOOD ADVISORY   Flood Advisory
MATANUSKA VALLEY

Areas Affected:
Western Susitna Valley
Effective: Mon, 8/17 12:45pm Updated: Tue, 8/18 2:40am Urgency: Expected
Expires: Wed, 8/19 3:45pm Severity: Minor Certainty: Likely

 
Details:
* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Yenta River near Lake Creek.

* WHEN...Until 345 PM AKDT Wednesday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
- At 1243 PM AKDT, river gauge reports indicate rises in water
levels from heavy rain across the advisory area. This will cause
minor flooding from overflow of poor drainage areas. Between 1
and 2.5 inches of rain have fallen. Additional rainfall amounts
of 0.2 to 0.5 inches are possible.
- For Yentna River at Lake Creek:
At 11:50am the stage was 20.2 feet.
Flood Stage is 20.5 feet.
Forecast: A crest around 20.9 feet is expected at 10:00am
Tuesday.

Impacts:
At 20.5 feet: Anglers Inn & King Point Lodges will have water in
several cabins.


- Http://www.weather.gov/safety/flood

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

Flood Watch  FLOOD WATCH   Flood Watch
MATANUSKA VALLEY

Areas Affected:
Western Susitna Valley - Southern Susitna Valley - Central Susitna Valley
Effective: Mon, 8/17 12:35pm Updated: Tue, 8/18 2:40am Urgency: Future
Expires: Tue, 8/18 12:45pm Severity:  Severe  Certainty: Possible

 
Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Including the following areas, Central Susitna Valley,
Southern Susitna Valley and Western Susitna Valley. This includes
the cities of Skwentna, Willow, Talkeetna, Trapper Creek, And
Petersville.

* WHEN...Through Tuesday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Over the past 36 hours 1.0 to 2.5 inches of rain have fallen into
the greater Susitna Valley drainage system. An additional 0.5 to
1.5 inches of rain is expected, primarily over the Talkeetna
Mountains.

Excessive runoff will cause water levels to rise along rivers,
small creeks, and streams. Rainfall could become impactful to
erosion-prone areas and low-lying or poor- drainage areas across
the Susitna Valley and Talkeetna.

- Http://www.weather.gov/safety/flood

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

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

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.

Soils remain moist and excessive runoff may result in flooding of
rivers, creeks, streams, other low-lying areas and flood-prone
locations.



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