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Fire Activity Overlay. CalTopo’s Fire Activity overlay combines data from 4 main sources: three satellite platforms, MODIS, VIIRS, and GOES, and the National Interagency Fire Center.
Map your world with CalTopo. Backcountry or your backyard; research, plan, share, and take maps with you on your mobile device. View real time data, choose layers that suit your needs, print maps, record tracks and more.
20 sie 2020 · CalTopo’s Fire Activity overlay combines data from 4 main sources: two satellite platforms, MODIS and VIIRS, NOAA’s Hazard Mapping System and the National Interagency Fire Center. MODIS. The MODIS program consists of two satellites Aqua and Terra, that pass around the Earth covering the entire Earth once every 24hrs.
Free USGS topo maps! Use CalTopo for collaborative trip planning, detailed elevation profiles and terrain analysis, printing geospatial PDFs, and exporting maps to your smartphone as KMZ or MBTiles files.
CalTopo’s Fire Activity overlay combines data from 4 main sources: three satellite platforms, MODIS, VIIRS, and GOES, and the National Interagency Fire Center. There is a drop down menu for the Current Fire Activity overlay that allows selection from MODIS and VIIRS, GOES Live, All Satellites, VIIRS 375m, VIIRS Progression, and Perimeters.
6 wrz 2017 · Both MODIS and VIIRS hotspot detection data is available straight from the source at https://earthdata.nasa.gov/earth-observation-data/near-real-time/firms/active-fire-data. The current fire activity layer also includes smoke information from the NOAA hazard mapping system ( HMS ), typically updated every several hours.
9 sie 2024 · Some data sources are constantly changing (such as OpenStreetMap) while others remain static over a long period of time or nearly forever (Scanned Topos). Finally some layers update on their own and don't require our team to manually update them over time (such as real time data overlays).
