00:00NASA just captured something Alaskans have rarely seen this late in the season.
00:04A massive polar storm spinning off the southern Alaskan coast.
00:08With cold Arctic air clashing into warmer ocean waters
00:11and creating long bands of swirling clouds visible from orbit,
00:15satellite imagery shows a tight, compact polar low.
00:19A rare meteorological event for this part of the year.
00:22Hurricane-like in structure, but powered by Arctic air,
00:26these storms can produce blinding snow, sea-effect blizzards,
00:30and dangerous wind chills along the Alaskan coast.
00:33The Bering Sea bore the brunt.
00:36Boats grounded, communities reporting whiteout conditions,
00:39and temperatures plunging below seasonal averages.
00:42Polar storms like this are getting more attention from climate scientists.
00:46As Arctic temperatures shift, the conditions that produce them are changing too,
00:51and NASA's images give Americans a rare window into a storm most will never see from the ground.
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