The format for the data is:

Column 00: Year of observation
Column 01: Month number of observation (1..12)
Column 02: Day of month of observation
Column 03: Time of observation (hours.minutes)
Column 04: UT (times are always UT)
Column 05: Latitude of observation (decimal degrees)
Column 06: N or S indicating hemisphere of latitude
Column 07: Longitude of observation (decimal degrees)
Column 08: E or W indicating hemisphere of longitude
Column 09: Name of Storm
Column 10: Course of storm (Degrees, True)
Column 11: T (direction is always true)
Column 12: Speed of storm
Column 13: kt (speed is always in knots)
Column 14: Estimated central pressure in storm (mb)
Column 15: mb (pressure is always in mb)
Column 16: Maximum sustained wind in storm (kt)
Column 17: Maximum wind gusts in storm (kt)
Column 18: kt (wind speeds are always in kt)
Column 19: Type of storm (DEP, STO, HUR, TYP)
Column 20: Type of observation (ACT=actual, FOR=forecast)
Column 21: Date of observation (decimal years)
Column 22: WMO Header for observation
Column 23: Actual Observations: Date record written (decimal years)
           Forecasts: Date of associated actual observation (decimal years)

If a quantity is unknown, the field will be ???.