TT

The initialization time for the forecast is given on the top line. Along the leftmost column are the forecast city (in this case, BOS for Boston) and the forecast hour. The first line (containing the station name) includes the initial conditions; the numbers in each succeeding line indicate the time of the forecast, in six-hour increments.

For example, the line starting with "42" is the 42-hour forecast. Add 42 hours to the initialization time, 12Z Oct. 30, to determine the forecast time, 06Z Nov. 1. For the WxChallenge, our forecast period runs from 06Z to 06Z, corresponding to hour 18 to hour 42 in a 12Z FOUS bulletin.

OUTPUT FROM ETA 12Z OCT 30 96

TTPTTR1R2R3 VVVLI PSDDFF HHT1T3T5

BOS//605860 00719 131410 56050504

06000818448 04209 091622 56080605

12008935114 00802 002126 59121210

18000773014 -1811 022828 55120804

24000743520 -0913 092924 49090400

30000643339 -2216 102818 48080300

36000624749 03318 112519 47080300

42000615956 -0318 112621 42050299

48000636454 00318 132618 40030097

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