Weather Review for July 24

The forecast given for today was mostly accurate. Some of the notable items that were not represented well were:

  • Top of lift started out as predicted over launch (16-18k) but we never saw 17k again during the afternoon. Cloud base, however, did appear to be 18k or more.
  • Winds aloft from 12k to 18k were not as strong of a southerly push. Somewhere in the 3-5 mph neighborhood, not 10 mph.
  • Winds below 10k were from the NNW around 5-8 mph which made progress on the lower terrain difficult.
  • The monsoonal surge was very noticeable to the south, but no overdevelopment occurred and clouds stayed very shallow.
What was forecasted well?

  • East winds at launch were present as predicted. They turned W around solar noon as expected. Winds were light on launch.
  • NNW flow on the valley floor to the north was well represented in the forecast.
  • Top of lift was for 16-18k over the high terrain. On average is was likely 16.5k.

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