SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANCHORAGE AK
230 PM AKDT TUE APR 5 2011
...DANGEROUS ICE CONDITIONS EXPECTED TO DEVELOP ALONG THE ALASKA WEST COAST...
...POTENTIAL FOR COASTAL FLOODING ALONG THE SOUTHWEST COAST...
A VERY STRONG LOW MOVING ACROSS THE BERING SEA THIS WEEK WILL RESULT IN DANGEROUS SEA ICE CONDITIONS ALONG THE WESTERN ALASKA COAST.
IN BRISTOL BAY STRONG ONSHORE WINDS STARTING WEDNESDAY NIGHT AND CONTINUING INTO FRIDAY MORNING WILL CAUSE ICE TO PUSH ONTO BEACHES FROM DILLINGHAM TO TOGIAK. BEACH EROSION CAN ALSO BE EXPECTED FROM NAKNEK TO TOGIAK BAY.
FROM CAPE NEWENHAM TO TOKSOOK BAY ICE SHOVES ARE LIKELY THURSDAY THROUGH SATURDAY.
MORE INFORMATION ON EXPECTED ICE CONDITIONS FOR AREAS NORTH OF THE KUSKOKWIM DELTA ALONG WITH DETAILED GRAPHICS ARE AVAILABLE AT HTTP://PAFC.ARH.NOAA.GOV/ICEGRAPHICS.PHP.
IN ADDITION TO DANGEROUS ICE CONDITIONS THERE IS ALSO POTENTIAL FOR MINOR COASTAL FLOODING ALONG THE SOUTHWEST ALASKA COAST THURSDAY THROUGH FRIDAY. A LONG FETCH OF WESTERLY STORM TO HURRICANE FORCE WINDS WILL BUILD SEAS UP TO AROUND 35 FEET OVER THE SOUTHERN BERING SEA BY THURSDAY MORNING. STRONG WINDS WILL THEN MOVE THESE VERY HIGH WAVES TOWARD THE SOUTHWEST ALASKA COAST THURSDAY AFTERNOON INTO FRIDAY. THE PRESENCE OF SEA ICE DOES HELP TO DAMPEN THESE WAVES. HOWEVER...THERE IS STILL A THREAT FOR STORM SURGE DURING HIGH TIDES TO PRODUCE MINOR COASTAL FLOODING.
THIS SITUATION CONTINUES TO BE MONITORED CLOSELY.
THE NEXT STATEMENT IS SCHEDULED AT 1 PM WEDNESDAY.
2 comments:
What is an ice shove, exactly?
I believe that an ice shove is literally the ice being shoved up onto shore by a combination of wave action and high winds.
I guess I can let you know for sure in a day or so...
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