Dan Bross, KUAC – Fairbanks
An unusually high pressure system has the National Weathers Service warning pilots. Air pressure exceeding 31 inches of mercury is forecast for areas of northern Alaska, the central and eastern interior, and Meteorologist Dan Hancock says if that level occurs it’s a problem for altimeters on some aircraft.
Hancock says that’s a serious issue for visual flight, and precludes safe instrument flying. Hancock says extreme high pressure normally occurs in the arctic, but is only seen in the interior every five to 10 years.
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