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Wildfire News

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HYSPLIT Simulation

Results are saved in your local browser (max 10 items).

No trajectories yet.
Click a point on map or use the button above.

Dispersion Screening

Results are saved in your local browser (max 10 items).

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Click a point on map or use the button above.

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HYSPLIT Simulation

Location (lon, lat):

Input Date:

Input Time (UTC):

Duration (hr):

Height (AGL) (m):

Run Type:

Direction:

BWD FWD

Dispersion Parameters:

Release Rate (kg hr-1):

Release Duration (hr):

Ptcl Dia. (μm):

Ptcl Density (g cm-3):

* Note: Simulations use NAM 12km meteorological data by default. For locations outside the NAM12 domain (e.g., Alaska, Hawaii), the model automatically switches to GDAS1 (1°). For NAM12 trajectories exceeding 72 hours, GDAS1 data is additionally used as backup to prevent domain boundary truncation. Dispersion modeling is conducted with minimal physical parameters due to server resource constraints. Use results for reference only. For detailed scientific analysis, please visit the official NOAA READY Website.

Dispersion Screening

Location (lon, lat):

Simulation Mode:

Preset Scenario:

Emission Data:

Emission Rate (kg hr-1):

Stack / Plume Height (m):

Terrain:

Urban Population:

Meteorological Data:

Wind Speed (m s-1):

Wind Direction (°):

Stability Class:

Advanced Stack Data:

Stack Diameter (m):

Stack Temp (K):

Stack Velocity (m s-1):

Ambient Dist (m):

Chemistry Data (NOx):

NO2 Chemistry:

In-stack NO2/NOx Ratio:

Ozone Units:

Ozone Concentration:

MAKEMET Data:

Min Amb Temp (K):

Max Amb Temp (K):

Min Wind (m s-1):

Surface Albedo:

Bowen Ratio:

Roughness (m):

Anemometer Ht (m):

Building Data:

Downwash:

Height (m):

Min Dimension (m):

Max Dimension (m):

Bld Orientation (0-360°):

Stack Dir. (0-360°):

Stack Dist. (m):

Receptor Data:

Use Flagpole:

Flagpole Height (m):

Discrete Rec.:

Distances (m, max 10):

Fumigation Data:

Fumigation:

Dist to Shore (m):

Shore Dir. (0-360°):

Terrain Output:

Use Terrain:

Run AERMAP:

UTM Zone (0=Auto):

Probe Dist (m):

Source Elev (m):

Profile Base (m):

Screening Level Analysis: Uses simplified Gaussian plume or EPA AERSCREEN model. Results do not replace full AERMOD regulatory modeling for permit applications.

Export Time-lapse

Time Scale (Step by):

Daily (1D) Hourly (1H)

Start Date & Time:

End Date & Time:

Playback Speed:

How to use:

Select at least one data layer on the map before generating.
Choose Hourly (max 24 frames) or Daily (max 31 frames).
Set the start/end date range and playback speed, then click Generate GIF.
Do not interact with the map while capturing. Use the Cancel button to abort.
This is not supported on mobile devices.

Dispersion Animator

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Layer Descriptions

Wildfire News

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HYSPLIT Simulation

Dispersion Screening

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