Next door to Typhoon Maysak is another developing storm (Haishen) that is forecast to become quite intense over the next few days -- and then zoom north across Japan into Korean Peninsula.

Now, this is a legitimate "double barrel" Typhoon situation (25°N latitude) pic.twitter.com/HRlBUbMIFH

— Ryan Maue (@RyanMaue) August 31, 2020