Specimen Sheet · Vital Statistics
Classification · Terrain & Access
Field chart.
§ 02 · Flying Conditions · Field NotesUpdated 2026·03·21
Vallejo
Has 1 different launch points. The best wind direction is 235 @ 0 knts but many sites can be flown from multiple directions, so check before you fly.
You can expect to find: thermal conditions ridge soaring conditions , all dependent on current weather conditions.
§ 03 · Wind Window · Best Operating EnvelopeSW · 235° ±0°
Chase the Wind
Nearest weather station to Blue Rock. Select any row to see which launches are in wind, then set your MSFS world clock to that UTC time.
Napa Cnty Arpt, CA, US
13:43 UTC
11 km from site
Wind
NNE 20°
3 kt
Ceiling
Clear
10+ sm vis
NNE 20° · 3 kt · 13:43 UTC
Select a time to check launches
Jan 21
Weather at , 11 km from Blue Rock. Mountain conditions may differ — this is a clue, not a forecast. Adjust sim time on site until conditions feel right.
§ 07 · Location · Field CoordinatesWGS-84
§ 09 · Recent Flights · Log Book
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