High Wind — Upper Kuskokwim Valley, Alaska

2020-09-04 to 2020-09-07 · Upper Kuskokwim Valley, Alaska

Event narrative

USARRAY L20K Farewell reported a wind gust of 91 kts (104.7 mph).

Wider weather episode

A strong low in the Bering Sea consisting of remnant typhoon energy from Typhoon Maysak moved over Nunivak Island and tracked NNE along the West Coast. A strong pressure gradient formed over the Alaska Range, thus strong southerly winds produced a Chinook/Gap wind event in the Alaska Range.

Zone 223: U.S. Army Fort Greely Mesonet OP5 reported a wind gust of 76 kts (88 mph). Damage included downed trees, fence blown down, roof damage, and a collapsed dugout at the baseball fields as well as multiple power outages around town.

Zone 224: Spotter at Robertson River estimated gusts at 43 kts (50 mph). Power knocked out in Tok at 0925 local from a 32 mph gust from the SW.

Zone 225: AK Dot Mesonet Parks Highway at Antler Creek reported a wind gust of 72 kts (83 mph).

Zone 226: U.S. Army Fort Greely Mesonet Texas Condo reported a wind gust of 76 kts (88 mph).

Zone 227: USARRAY L20K Farewell reported a wind gust of 91 kts (104.7 mph).

Source: NOAA Storm Events Database, event_id 910232. Narrative written by the NWS forecast office that issued the report.