Multi-date batch chemical dispersion simulation using hourly NOAA HRRR boundary conditions.
STATE: KENTUCKY
WEATHER: HRRR GRIB2
CHEMICAL FILTERS
LAYERSⓘThree independent views of the same release:Soil Deposition (g/m²) — mass that physically settles onto the ground, accumulating over the day. Chlorine & ammonia deposit meaningfully; VOCs barely deposit (tiny footprints — honest).Ground-Level Air (g/m³) — breathing-zone concentration at ~10 m, shown per hour. This is what you'd actually inhale; every chemical has a footprint here.Particle Simulation — animated tracers streamed from each facility (colored by source), advected on the HYSPLIT hourly wind. They show how the plume moves and mixes in real time; the footprints show where concentration and deposit end up.Footprints are straight from HYSPLIT contours (23 hourly frames, sim hours 2–24): deposition accumulates, air is per-hour, particles animate continuously.
12:00AMⓘTimes are shown in Calvert City local time (Central — CST/CDT).Each day covers the full local calendar day — midnight to midnight Central — simulated from NOAA HRRR hourly weather. So 12:00 AM is local midnight on the selected date and the timeline runs through that same day.