A visual wind and weather forecast app built for kiteboarders and other wind sport enthusiasts.
US state boundary shapefiles from US Census Bureau (500k), converted to GeoJSON with:
ogr2ogr -f GeoJSON states.json cb_2015_us_state_500k.shp
GFS 0.25 degree data downloaded from NOAA NOMADS and converted to JSON using grib2json utility:
curl "http://nomads.ncep.noaa.gov/cgi-bin/filter_wave.pl?file=nah.t00z.grib.grib2&lev_surface=on&var_WIND=on&var_WVDIR=on&var_WVHGT=on&var_WVPER=on&subregion=&leftlon=-81&rightlon=-70&toplat=40&bottomlat=30&dir=%2Fmulti_2.20160912" -o waveData.grb2
grib2json -d -n -o waveData.json waveData.grb2