830  
FZAK78 PAFC 250045  
MWSAFC  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE ANCHORAGE AK  
445 PM AKDT SUN OCT 24 2021  
 
PKZ177-251200-  
ADAK TO KISKA-  
445 PM AKDT SUN OCT 24 2021  
 
...TRACE ASHFALL POSSIBLE IN THE VICINITY OF SEMISOPOCHNOI  
VOLCANO...  
 
THIS AFTERNOON VOLCANIC ASH WAS DETECTED FROM SEMISOPOCHNOI ON  
SATELLITE IMAGERY AND ON A NEARBY WEBCAM. THE SEMISOPOCHNOI  
VOLCANO IS LOCATED 140 NAUTICAL MILES WEST OF ADAK. WINDS COULD  
TRANSPORT TRACE AMOUNTS OF ASHFALL SOUTH AND SOUTHEAST OF THE  
VOLCANO CRATER. GIVEN THE RECENT HISTORY OF ERUPTIVE ACTIVITY AT  
THE VOLCANO, ADDITIONAL EMISSIONS MAY OCCUR AT ANY TIME.  
 

 
 
SZATANEK  
 
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