Frost/Freeze — Eastern Chichagof Island, Alaska

2018-09-17 · Eastern Chichagof Island, Alaska

Event narrative

PAOH AWOS measured prolonged temperatures below 32F between 0100 and 0800 on the morning of 09/17. Lowest temperature 28F. No damage reported.

Wider weather episode

First significant freeze of the Fall 2018 season affecting SE Alaska occurred during the early morning hours of September 17th. Clear skies and calm wind caused radiative cooling to drop temperatures either for prolonged below 32F or brief drops to around 28F.

Source: NOAA Storm Events Database, event_id 782365. Narrative written by the NWS forecast office that issued the report.