The PGF was a big environmental fire contributor, as discussed by others, with the tropical cyclone passing south. But check out the dry mid levels advecting right towards Hawaii from the SW USA, too (2-hr mid level WV loop since 8/4 courtesy of RAMMB/CIRA). Yeesh. @Weather_West pic.twitter.com/oH0pgClnIj

— Anthony Masiello (@antmasiello) August 9, 2023