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Texas 179B(b) Air Quality Modeling: Domains

Modeling domain map and parameters of Texas 179B(b) ozone air quality modeling (2020 and 2023 analysis years).

The map and tables below show the CAMx and WRF modeling domains and vertical layer structures used in the 179B(b) ozone photochemical air quality modeling (2020 and 2023 analysis years).


Modeling Domain Outline KML and ArcGIS Shapefile


Map Projection Parameters

The Texas ozone modeling domains are defined on the Lambert Conformal Conic map projection (same as National RPO domain):

First True Latitude (Alpha): 33°N
Second True Latitude (Beta): 45°N
Central Longitude (Gamma): 97°W
Projection Origin: (97°W, 40°N)
Spheroid: Perfect Sphere, Radius = 6370 km

Modeling Domain Parameters

  • CAMx Domains
  • WRF Domains