| Data Type | Source | Typical Format | Use Case | |-----------|--------|----------------|-----------| | Severe Weather Warnings (incl. Tornado Warnings) | NOAA NWS (via NOMADS) | XML, CAP, JSON | Real-time alerting apps | | Historical Tornado Tracks (1950–present) | NOAA Storm Prediction Center (SPC) | Shapefile, GeoJSON, CSV | Climatology, risk modeling | | Radar Base Reflectivity & Velocity | NOAA NCEI (via AWS Open Data) | NetCDF, HDF5 | Storm structure analysis |

# Create a virtual environment python -m venv tornado_env

if == " main ": app = make_app() app.listen(8888) print("Server started on http://localhost:8888") tornado.ioloop.IOLoop.current().start()