Alaska-Pacific River Forecast Center

APRFC Breakup Map

 

This map allows you to view the breakup status of major rivers. Click a site for more breakup information.

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River Status
Unknown
Mostly Ice
Some Open
Mostly Open
Open

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Community Status
No Warning
Flood Advisory
Flood Watch
Flood Warning

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Flood Advisory
Issued when flooding is imminent or occurring, generally within the next 1 to 3 hours, but is not expected to substantially threaten life and property.
Flood Watch
Issued when there is the possibility of widespread general flooding over an area within the next 36 hours.
Flood Warning for River Fcst Point
Issued when a river level has exceeded, or is forecast to exceed, moderate or major flood stage.

Flood stage definitions can be found HERE.

 

View Recent River Notes
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* EVEN THOUGH A PARTICULAR RIVER OR REACH MAY BE DESCRIBED AS MOSTLY  *
* OPEN OR OPEN... IT IS STILL POSSIBLE FOR RUNS OF ICE AND DEBRIS TO  *
* MOVE THROUGH AS HEADWATERS UPSTREAM BREAKUP.  PLEASE USE CAUTION AT *
* ALL TIMES WHEN ATTEMPTING TO NAVIGATE RIVERS.                       *
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In 2018 the APRFC Breakup Map became the primary Alaska Ice Conditions webservice for the breakup season.
For details please review NWS Updated Public Information Statement 18-04 and the service link.