PACIFIC RIVER FORECAST CENTER
6 AM MONDAY MAY 11, 2015
SPRING BREAKUP SUMMARY FOR ALASKA....
THE SPRING BREAKUP FLOOD POTENTIAL IS RATED AS LOW TO LOW-MODERATE STATEWIDE.
THIS FORECAST IS BASED ON OBSERVED SNOWPACK AND ICE THICKNESS REPORTS AND
MEDIUM TO LONG RANGE TEMPERATURE AND PRECIPITATION FORECASTS. CURRENTLY
BREAKUP AT MOST LOCATIONS IS EXPECTED TO BE A FEW DAYS EARLIER THAN AVERAGE.
THE ICE WENT OUT AT EAGLE MAY 6. THE ICE STARTED MOVING AT CIRCLE SUNDAY
NIGHT. FROM STEVENS VILLAGE TO RAMPART THE ICE IS SHIFTED AND ROTTEN. THE ICE
WENT OUT AT TANANA MAY 6, AT RUBY MAY 8 AND AT GALENA MAY 9. THE YUKON IS
MOSTLY OPEN FROM TANANA DOWN TO AROUND KOYUKUK.
THE RIVER IS RUNNING MOSTLY ICE-FREE AT GALENA MONDAY MORNING, WITH A LEVEL
OF 111 FEET ON THE PILINGS GAUGE.
AT KOYUKUK THE ICE FIRST MOVED ON SATURDAY AND MOVED OCCASIONALLY ON SUNDAY,
WITH LOW WATER LEVELS.
THE TANANA RIVER IS MOSTLY OPEN AND ICE FREE.
ON THE KOYUKUK RIVER, THE ICE WENT OUT AT BETTLES ON THURSDAY. THE ICE WENT
AT ALLAKAKET AND HUGHES ON TUESDAY, MAY 5TH. RIVER LEVELS ARE LOW.
-------------------------------------------------------------SNOWMELT
FLOOD
AVERAGE
FORECAST
RIVER - REACH
RUNOFF
BREAKUP
BREAKUP
VOLUME
DATE *
DATE
-------------
---------- ---------
-------
------
YUKON RIVER (UPPER)
EAGLE
CIRCLE
FORT YUKON
RAMPART
AVERAGE
LOW
LOW-MOD
LOW
LOW
05/05
05/10
05/11
05/12
34
31
31
20
05/06**
05/10**
05/10-05/11
05/10-05/12
LOW
LOW
LOW
LOW
LOW
LOW
LOW
05/10
05/12
05/13
05/13
05/13
05/14
05/17
30
29
34
10
19
29
28
05/06**
05/08**
05/09**
05/11-05/14
05/11-05/15
05/12-05/17
LOW
LOW
LOW
05/16
05/17
05/19
23
18
28
05/12-05/18
05/13-05/18
05/13-05/19
YUKON RIVER (MIDDLE)
TANANA
RUBY
GALENA
KOYUKUK
NULATO
KALTAG
ANVIK
BELOW
YUKON RIVER (LOWER)
MARSHALL
PILOT STATION
MOUNTAIN VILLAGE
BELOW
POTENTIAL