Saturday, November 24, 2012

Denali Super Inversion

Courtesy of the FAA
On Friday high temperatures in Denali National Park included 7 below at Wonder Lake Rangers Station, 8 below at the Toklat rest stop and 18 below at an automated observation near the Wilderness Access Center at the east end of the Park, but a whopping +28F  at Eielson Visitors Center. Why was Eielson so warm? At 3650' elevation and on the side of a mountain, it was well above any valley based inversion and into the warm air under the big high aloft that is controlling Interior Alaska weather this weekend. To the left is the view of Saturday morning sunrise on Denali, as seen from Eielson VC, where it was +22F at picture time.

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