IO, 90, 2017010100, , BEST, 0, 34N, 778E, 15, 0, DB, 0, , 0, 0, 0, 0, 0, 0, 0, 0, 0, , 0, , 0, 0, INVEST, ,
http://www.ssd.noaa.gov/PS/TROP/DATA/ATCF/JTWC/?C=M;O=D
这里面有这种报文

90B INVEST 170101 0000 3.4N 77.8E IO 15 1008

90B INVEST 170101 0000 3.4N 77.8E IO 15 1008
90B INVEST 161231 1800 3.4N 77.2E IO 15 1008
90B INVEST 161231 1200 3.4N 76.6E IO 15 1008

IO, 90, 2016123112, , BEST, 0, 34N, 766E, 15, 1008, DB
IO, 90, 2016123118, , BEST, 0, 34N, 772E, 15, 1008, DB
IO, 90, 2017010100, , BEST, 0, 34N, 778E, 15, 1008, DB

不会成双旋吧

90B INVEST 170101 0600 3.4N 78.5E IO 15 1008

90B INVEST 170101 1200 2.9N 81.5E IO 15 1005

90B INVEST
As of 12:00 UTC Jan 01, 2017:
Location: 2.9°N 81.5°E
Maximum Winds: 15 kt
Minimum Central Pressure: 1005 mb

可怕。三扰纬度都在北纬3度以南。距离赤道仅有不到500公里

90B INVEST
As of 18:00 UTC Jan 01, 2017:
Location: 2.5°N 82.3°E
Maximum Winds: 15 kt
Minimum Central Pressure: 1010 mb