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The NASA Lightning Nitrogen Oxides Model (LNOM): Application to Air Quality ModelingRecent improvements to the NASA Marshall Space Flight Center Lightning Nitrogen Oxides Model (LNOM) and its application to the Community Multiscale Air Quality (CMAQ) modeling system are discussed. The LNOM analyzes Lightning Mapping Array (LMA) and National Lightning Detection Network(TradeMark)(NLDN) data to estimate the raw (i.e., unmixed and otherwise environmentally unmodified) vertical profile of lightning NO(x) (= NO + NO2). The latest LNOM estimates of lightning channel length distributions, lightning 1-m segment altitude distributions, and the vertical profile of lightning NO(x) are presented. The primary improvement to the LNOM is the inclusion of non-return stroke lightning NOx production due to: (1) hot core stepped and dart leaders, (2) stepped leader corona sheath, K-changes, continuing currents, and M-components. The impact of including LNOM-estimates of lightning NO(x) for an August 2006 run of CMAQ is discussed.
Document ID
20110015649
Document Type
Other
Authors
Koshak, William (NASA Marshall Space Flight Center Huntsville, AL, United States)
Peterson, Harold (National Space Science and Technology Center Huntsville, AL, United States)
Khan, Maudood (Universities Space Research Association Huntsville, AL, United States)
Biazar, Arastoo (Alabama Univ. Huntsville, AL, United States)
Wang, Lihua (Alabama Univ. Huntsville, AL, United States)
Date Acquired
August 25, 2013
Publication Date
August 20, 2011
Subject Category
Meteorology and Climatology
Report/Patent Number
M11-0879
M11-0063
M11-0567
Meeting Information
XIV International Conference on Atmospheric Electricity (ICAE 2011)(Rio de Janeiro)
Funding Number(s)
CONTRACT_GRANT: NNH08ZDA001N-FEASIBILITY
Distribution Limits
Public
Copyright
Public Use Permitted.

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