Thousands affected by Tuesday flight cancellations as Pavlof ash cloud lingers

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The U.S. Geological Survey said in a news release late Monday that the activity level of the volcano has “declined significantly”.The volcano began erupting suddenly on Sunday, the observatory said.The volcano observatory lost one of its seismic stations in Sunday’s eruption. Pavlof Volcano, located at the southern end of the Alaska Peninsula, suddenly began issuing black ash and fountains of lava yesterday and continued to erupt Monday.Trace amounts of ash were reported in Dillingham, a Bristol Bay fishing community.Village residents are accustomed to the volcano’s fairly regular eruptions but this one is worse than usual, according to Village Public Safety Officer Cpl. The report by AP added that some eruptions have sent plumes up as high as 49,000 feet.The movement comes with little shaking of the ground, and the lack of earthquakes as an early warning of an eruption “makes us go insane monitoring them”, Waythomas said.Volcanic ash can shut down jet engines.Because of that, Alaska Airlines Director of Operations John Ladner said the company will simply not “fly where ash is present”.The USGS said that during a previous eruption in 2013, ash plumes rose 27,000 feet.Sherry Keever has lived in Healy, Alaska, for only a year and was trying to get home from a vacation in California when ash from the volcano prompted the cancellation of her flight.The station was on the north side of the 8,261-foot conical mountain. The new cancellations represent more than half of the airliners scheduled flights for today, affecting more than 2,900 customers, a spokesperson said.But the agency said that a significant eruption was still possible.Sometimes a high-flying pilot might see pyrocumulus clouds erupting from a volcano below and avoid it. But, many times, the ash-filled cloud merges with ordinary clouds, or spreads out, with no signs it contains ash.After the AVO scientists spotted the signal, they worked with the Federal Aviation Administration (FAA) and the National Oceanic and Atmospheric Administration’s National Weather Service (NOAA NWS) to determine “where ash cloud will drift and what areas may be affected by ash fall”. If you would like to discuss another topic, look for a relevant article.Be proactive – Use the “Flag as Inappropriate” link at the upper right corner of each comment to let us know of abusive posts.