1. Numerical Modeling of Micro- Meso-scale Atmospheric Processes Mike Kiefer Research Associate Michigan State University

2. Numerical Modeling Strategy Validate model against available observations Validate model against available observations Use model as a tool to investigate processes in the atmosphere Use model as a tool to investigate processes in the atmosphere Flow over complex terrain Flow over complex terrain Boundary layer evolution Boundary layer evolution Fire-atmosphere interaction Fire-atmosphere interaction

3. A Numerical Modeling Study of the Nocturnal Boundary Layer Inside Arizona’s Meteor Crater In Review: Journal of Applied Meteorology and Climatology

4. Notable Features of Crater NBL From Whiteman et al. 2008 (BAMS, Nov 2008, 1665-1680) OBSERVED

5. Modeling Strategy  x,  y = 9 km  x,  y = 50 m Advanced Regional Prediction System -Developed at the Center for Analysis and Prediction of Storms at the University of Oklahoma (Xue et al. 2001, 2003) -Initial and boundary condition data for outer grid simulation from North American Regional Reanalysis (NARR)

6. Vertical Cross Sections Potential Temperature (K) 1700 MST1800 MST1900 MST2000 MST2100 MST2200 MST2300 MST0000 MST Model Results

7. Potential Temperature Profiles Model Results

8. Thermodynamic Budget Model Results

9. Application of ARPS to the Study of Atmospheric Processes Associated with Wildland Fires

10. Quasi-steady Behavior Vertical Cross Section (Y = 2.5 km) Horizontal Cross Section (Z = 600 m)

11. Fire With/Without Canopy Parameterization Fire (No Canopy)Fire (With Canopy)

12. Questions?