AL, 91, 2021092800, , BEST, 0, 80N, 320W, 25, 1008, LO, 34, NEQ, 0, 0, 0, 0, 1011, 150, 80, 0, 0, L, 0, , 0, 0, INVEST, M, 0, , 0, 0, 0, 0, genesis-num, 043, SPAWNINVEST, al772021 to al912021,
https://ftp.nhc.noaa.gov/atcf/btk/