Morning Sun

Alaska hits record temps for month of December

- By Matthew Cappucci

Imagine running a 5K and winning the race by 10 minutes. That’s analogous to what is transpirin­g in Alaska at the moment. An exceptiona­l slew of records has tumbled in the wake of extreme warmth, with highs up to 45 degrees above average.

The anomalous warmth has also brought record moisture, with top-tier rainfall totals thanks to the air’s capacity to transport more humidity.

The ongoing spate of warmth is tied to a sprawling dome of stagnant high pressure banked southeast of the Aleutians in the northeaste­rn Pacific. Reinforced by unusually warm ocean waters north of Hawaii, that high-pressure “heat dome” is inducing sinking air. That brings about additional warming.

On Sunday, the Kodiak tide gauge station hit 67 degrees at 2:17 p.m. In addition to being a local record, it set a monthly record for the entire state for December.

Nearby, Kodiak airport recorded 65 degrees and beat its previous daily record by an 20 degrees, surpassing the 45-degree record reading last set on Dec. 26, 1984, by leaps and bounds.

Even more remarkable is that the same 65-degree reading would have set a record for November, January, February and March, too; those months haven’t seen readings above 59, 54, 56 and 57 degrees, respective­ly.

 ?? BONNIE JO MOUNT — THE WASHINGTON POST ?? Ice melts on tundra and thawing permafrost in Newtok, Alaska, this fall.
BONNIE JO MOUNT — THE WASHINGTON POST Ice melts on tundra and thawing permafrost in Newtok, Alaska, this fall.

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