Intercomparison of Sonde, WRF/CAMx and Satellite Sounder Profile Data for the Paso Del Norte Region
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ORIGINAL PAPER
Intercomparison of Sonde, WRF/CAMx and Satellite Sounder Profile Data for the Paso Del Norte Region Suhail Mahmud1 · Nakul N. Karle2 · Rosa M. Fitzgerald3 · Duanjun Lu4 · Nicholas R. Nalli5 · William R. Stockwell3 Received: 21 April 2020 / Revised: 4 August 2020 / Accepted: 1 September 2020 © The Author(s) 2020
Abstract The Paso Del Norte (PdN) region comprises the city of El Paso, TX, Ciudad Juarez, Mexico, and some neighboring cities in the state of New Mexico. Developing a regional weather model for this specific region has always been challenging due to its complex terrain. To obtain more accurate weather and pollution forecasting for the PdN region, the results of the downscaled WRF (Weather Research and Forecast) model were intercompared with meteorological satellite data, with ground and radiosonde dataset. In addition, it is critical to analyze the distributions of ozone concentrations to better understand atmospheric aerosol concentrations and predict them both more accurately. Hence, in this study the ozone results of CAMx (Comprehensive Air Quality Model with Extensions) were extensively intercompared with ozonesonde data. The radiosonde/ ozonesonde data were obtained throughout a campaign conducted during the summer of 2017 in the PdN region. Different meteorological variables such as temperature, pressure, relative humidity, wind speed, and ozone concentrations were used for comparison at several locations in the PdN region. The TCEQ (Texas Commission of Environment Quality) data from different CAMS (Continuous Ambient Monitoring Stations) were used for ground data intercomparison with the WRF results. The meteorological satellite sounding data were retrieved using an in-house satellite antenna receiver. The results of this research paper will not only provide better pollution forecasting capability for the PdN region but also for other regions with similar topography and terrain. Keywords Regional weather model · WRF · Paso del norte · Radiosonde · Ozonesonde · Metop-B · Vertical profile
1 Introduction Cities occupy less than 0.1% of the earth’s total surface; however, half of the world’s entire population inhabits cities (Lee et al. 2011). The Paso Del Norte (PdN) region is a binational metropolitan region on the border of Mexico and * Rosa M. Fitzgerald [email protected] 1
Computational Science, University of Texas at El Paso, El Paso, TX, USA
2
Environmental Science and Engineering, University of Texas at El Paso, El Paso, TX, USA
3
Physics Department, University of Texas at El Paso, El Paso, TX, USA
4
Department of Physics, Atmospheric Sciences and Geoscience, Jackson State University, Jackson, MS, USA
5
IMSG, Inc. at National Oceanic and Atmospheric Administration, Center for Satellite Applications and Research, College Park, MD, USA
the United States. This region is centered on two large cities: El Paso from the United States and the City of Juarez in Mexico. In addition to these two cities, some counties from New Mexico State (USA) are also included in
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