Your vessel is participating in the Voluntary Observing Ship Program, at 0600 ZT on 31 January your position is LAT 00°49'S, LONG 84°27'E. You are preparing WS Form B-80 as seen in illustration D041NG below. How should you encode the first three groups after the call sign if you estimate the wind?

Question

Your vessel is participating in the Voluntary Observing Ship Program, at 0600 ZT on 31 January your position is LAT 00&deg;49'S, LONG 84&deg;27'E. You are preparing WS Form B-80 as seen in illustration D041NG below. How should you encode the first three groups after the call sign if you estimate the wind?

Accepted Answer

Option B: 31003, 99008, 30844. WMO FM 13 SHIP weather reporting format encodes date-time-wind groups with the day and time prefix, followed by quadrant and latitude/longitude parameters. Position LAT 00°49'S, LONG 84°27'E on the 31st formats as 31003, 99008, 30844.