|available as a data overlay checkbox|
Similar to the other data layers, at broad zoom levels only station locations are displayed, not station data. Zooming in, stations with winds greater than 10mph are rendered with arrows showing the wind direction, while stations with light wind or no wind data are shown as black circles. Mousing over a station brings up a tooltip with the last observation time:
The details dialog also has links to government-sourced diagrams showing typical monthly daytime and nighttime wind patterns.
Between weather stations, SNOTel and stream gauges, CalTopo now provides hourly data from over 12,000 remote sensors nationwide! As usual, please report any issues.