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2021 Regional Haze SIP Modeling - Domains

Air quality modeling files and data to support the 2021 Regional Haze State Implementation Plan (SIP) revision - CAMx and WRF modeling domains.

The map and tables below show the WRF and CAMx modeling domains used for the TCEQ's 2021 Regional Haze SIP Modeling.

Map Projection Parameters

The Texas ozone modeling domains are defined on the Lambert Conformal Conic map projection:

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