Tech & Sources
GDAL, PostgreSQL/PostGIS, MapServer, Apache
Data Sources (one or more):
U.S. Geological Survey (USGS), U.S. Forest Service (USFS), National Elevation Data (NED), National Land Cover Data(NLCD), National Hydrography Data (NHD), Tiger/Line Census, 3D Elevation Program (3DEP), Geographic Names Information Service (GNIS), Open Street Map (OSM), Protected Areas Database v2.1 (PAD), National Interagency Fire Center (NIFC), National Weather Service (NWS), NASA, NOAA, National Wildfire Coordinating Group (NWCG), AirNOW.gov, U.S. Department of Interior (DOI), National Digital Forecast Database (NDFD), European Space Agency (ESA), USAFacts.org, ESRI, Google, Continental Divide Trail Coalition, Appalachian Trail Conservancy (ATC), National Snow and Ice Data Center (NSIDC), PRISM Climate Data Oregon State University, et al, and data collected in the field (trail trace)
Image: NDFD 3 Day QPF Aggregate
NDFD QPF raster is downloaded daily by wget in Bash script and processed with gdal_warp, gdal_translate and saved. The WMS/WMTS layer is served by Apache/MapServer as defined by the ndfdqpfadd layer in the ndfd.map file.
Interactive map using WMTS: