Inversions Back

Update below

After bottoming out at 20 below here on the hill about noon Monday, temperatures have been steadily rising since late afternoon, with an increasingly steady breeze. In the valley though, clear calm and cold.

7am temps:

Eielson AFB: -37F
North Pole: -37F
Goldstream Valley Bottom: -35F
Fort Wainwright: -34F
Fairbanks Airport: -31F

meanwhile…

Keystone Ridge: -1F
Cleary Summit: -2F
Nenana Hills RWIS (Parks Highway at the Borough boundary): -2F
Ester Dome: -4F

There is an intermediate zone, generally a few hundred feet above the valley floor:
1 Mile Old Nenana Highway: -15F
17 Mile Chena Hot Springs Road: -13F
University Heights: -12F
McGrath Road: -9F

Update:
At 1015am it was +6F here on Keystone Ridge with about a 10 mph wind blowing. At 10am it was -35F at Fairbanks International. Now that's an inversion!