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> We don't even need them to. Why not? What's so special about 7-14 days? I can see plenty of reasons one might want to predict accurately the weather even a y

• akira2501 2y ago
  > will the weather support an outdoor bbq event this late in fall next year? Sure, but there could be a disease outbreak, or a pork meat recall that prevents it anyways. The weather, as a factor, is generally insignificant with respect to loss of life events. To the extent they are we can see those events far enough in advance at 7 to 14 days to compensate correctly. A better example would be "can we launch a space craft from this launch site next year." Even then, we never pick a launch day, we establish a launch window, because we already know, the weather changes fast enough that it's unlikely to remain identical for several days in a row. So conditions on a single day are effectively meaningless. The Space Shuttle program got even better with this by feeding in wind data from high atmosphere probes back into the launch vehicle software so it could plan it's maneuvers ahead of the wind so it could reduce vehicle stresses to within tolerable parameters. They went from a 20% launch probability to an 80% launch probability with this system. I mean.. enjoy your BBQ either way just bring some popup tents.