2018-19 Alaskan Arctic Cyclone Season

The 2018-19 Alaskan arctic cyclone season will begin on September 15, 2018 and end on March 15, 2019. However, polar cyclone formation is possible at any time in the year. Due to an expected El Niño which flatlines the jet stream over the basin, which typically limits polar cyclone formation. However, a huge gyre has appeared in the basin again, which might counteract the effects of the El Niño.

Polar Cyclone Outlook
ZXZX TOLPCPAT1 ALL TTAA00 KHTMC DDHHMM 0000 UTC Sat October 13 2018

For the Alaskan Arctic: Polar cyclone formation is currently not expected for the next 5 days.

Forecast Hype