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I joined Department of Atmospheric Sciences at the University of Arizona as a faculty member in August 2006. My doctoral and postdoctoral work at the Department of Atmospheric Science at Colorado State University applied a regional atmospheric model to the investigation of North American summer climate. Current research within my group at the University of Arizona focuses principally on physical understanding and prediction of climate in North America through regional atmospheric modeling and analysis of observations. Specific topics being investigated in the scope of our projects include improving seasonal climate forecasts, convective-resolving simulations of severe weather, water resource projection at the regional and local scale, and contributions to parameterization development in the Weather Research and Forecasting model. Our projects engage the operational weather forecast community and water resource providers in the Southwest. Through my collaborations and outreach activities, I am also working to develop improved capacity for weather climate research in other parts of the world, especially Latin America.Show Less
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Courses
- WAFIWeather Analysis and Forecasting I
- IWCIntroduction to Weather and Climate
- TEIEThe Earth and Its Environments
- OAARSObjective Analysis in the Atmospheric and Related Sciences
- FASFundamentals of the Atmospheric Sciences
- MMMMesoscale Meteorological Modeling
- TMTropical Meteorology
- WAFIIWeather Analysis and Forecasting II
- SMSynoptic Meteorology
Grants
- Collaborative Research: EAGER: Evaluation of Optimal Mesonetwork Design for Monitoring and Predicting North American Monsoon (NAM) Convection Using Observing System Simulation
Co-Investigator (COI)
2023
$243.8K
Active - Collaborative Project to Establish a National Climate Change Research Center (NCCRC) in Saudi Arabia
Principal Investigator (PI)
2022
$630.0K
Active - Ensemble-based climate assessments for Fresnillo mining sites in Mexico
Principal Investigator (PI)
2022
$381.6K
Active - EXCITE: Expanding Reach of NASA Earth Sciences Research At a HSI In Southern Arizona (University Of Arizona)
Co-Investigator (COI)
2022
$150.0K
Active - Useful Prediction of Climate Extreme Risk for Texas-Oklahoma at 4-6 Years
Principal Investigator (PI)
2020
$338.5K
Active - Open Source Evaluation Framework for Solar Forecasting
Principal Investigator (PI)
2018
$903.3K
Active - Arabian Peninsula Extreme Weather Variability, Trends, and Ultra-Fine Predictability up to Seasonal Scales
Principal Investigator (PI)
2019
$331.1K
- Development of an Ensemble National Domain Dataset of Gridded Meteorological Fields
Principal Investigator (PI)
2019
$22.5K
- Improvement of WRF-Hydro National Water Model Architecture and Calibration Methods for Semi-Arid Environments with Complex Terrain
Principal Investigator (PI)
2017
$367.5K
- Dynamically Downscaled Climate Projections in the Lower Santa Cruz River Basin Study
Co-Investigator (COI)
2017
$26.6K
Technologies / Patents
News
- Community Climate Change Course Brings Faculty Expertise to Public
2020
- Without the North American Monsoon, Reining in Wildfires Gets Harder
2020
- Groundwater Recharge and Climate Change in the West
2017
- Monsoon Storms Fewer but More Extreme
2017
- Four Questions: Hey, How About This Summer Weather?
2016
- How Climate Change Will Affect Western Groundwater
2016
- New Book Outlines Unique Challenges Climate Instability Poses to Southwest
2013
- Monsoon Failure Key to Long Droughts in Southwest
2013
- The 2012 Monsoon Forecast: A Case for Optimism
2012
- DOD Funds UA Climate Change, Environment Projects
2012
- UA Climate Science Center Receives $1.4M for Climate Change Studies
2012
- UA Awarded $2.95M to Study Monsoon Ecology
2011
- Unpredictable Monsoon Season Almost Under Way?
2010
- SkyCenter to Offer Weekend Educational Programs
2009
- CLIMAS: La Niña Bringing Warmer, Drier Winter
2007
- State Funds UA Research to Improve Drought Monitoring
2007
Publications (106)
Recent
- LRphase: an efficient method for assigning haplotype identity to long reads
2023
- Enhanced jet stream waviness induced by suppressed tropical Pacific convection during boreal summer
2022
- Long-run economic and social determinants of the ecological footprint of latin america: a panel causality approach
2022
- Cas9 targeted enrichment of mobile elements using nanopore sequencing
2021
- Improving station-based ensemble surface meteorological analyses using numerical weather prediction: A case study of the Oroville Dam crisis precipitation event
2021
- Improving Mountain Snowfall Forecasts in the Southwestern US Using Machine Learning Methods
2021
- Evaluation of NOAA National Water Model Parameter Calibration in Semiarid Environments
2021
- Retrospective Sub-Seasonal Forecasts of Extreme Precipitation Events in the Arabian Peninsula Using Convective-Permitting Modeling
2021
- The impact of assimilating GPS precipitable water vapor in convective-permitting WRF-ARW on North American monsoon precipitation forecasts over northwest Mexico
2021
- Monsoons Climate Change Assessment
2021
- An improved practical approach for estimating catchment‐scale response functions through wavelet analysis
2021
- Enhanced jet stream waviness induced by suppressed tropical convection during boreal summer
2021
- Using GEOS-5 forecast products to represent aerosol optical depth in operational day-ahead solar irradiance forecasts for the southwest United States
2020
- Evaluation of NOAA National Water Model Parameter Calibration in Semi-Arid Environments Prone to Channel Infiltration
2020
- The Impact of Assimilating GPS Precipitable Water Vapor in Convective-Permitting WRF-ARW on North American Monsoon Precipitation Forecast over Northwest Mexico
2020
- Global evaluation of seasonal precipitation and temperature forecasts from NMME
2020
- Climatological Large-Scale Circulation Patterns over the Middle Americas Region
2020
- Effects of Lateral Flow on the Convective Environment in Coupled Hydrometeorological Modeling System in a Semiarid Environment
2020
- Special issue: Advances in convective-permitting climate modeling
2020
- Vegetation source water identification using isotopic and hydrometric observations from a subhumid mountain catchment
2020
- Ubiquitous Fractal Scaling and Filtering Behavior of Hydrologic Fluxes and Storages from A Mountain Headwater Catchment
2020
- In Memoriam: The Contributions of Dr. Raymond W. Arritt to Regional Climate Modeling
2019
- Evaluating Forecast Skills of Moisture from Convective-Permitting WRF-ARW Model during 2017 North American Monsoon Season
2019
- Statistical and dynamical downscaling impact on projected hydrologic assessment in an arid environment: A case study from Bill Williams River Basin and Alamo Lake, Arizona.
2019
- Credibility of Convective-Permitting Modeling to Improve Seasonal Precipitation Forecasting in the Southwestern United States
2019
- Algorithm for Improved QPE over Complex Terrain Using Cloud-to-Ground Lightning Occurrences
2019
- Coupled Interannual Variability of Wind and Sea Surface Temperature in the Caribbean Sea and the Gulf of Mexico
2019
- Enhancing the Structure of the WRF-Hydro Hydrologic Model for Semi-arid Environments
2019
- Current and Future Variations of the Monsoons of the Americas in a Warming Climate
2019
- The Impact of Urbanization on North American Monsoon Precipitation in Arizona within the context of Severe Weather Events
2018
- Convective-Permitting Simulations of Extreme Weather and Climate Events in El Salavador with the Weather Research and Forecasting Model
2018
- The More Extreme Nature of North American Monsoon Precipitation in the Southwestern United States (Invited Presentation)
2018
- Improvement in Seasonal Precipitation Forecasting in the southwestern US using Convective-Permitting Modeling
2018
- Putting into action the REGCM4.6 regional climate model for climate change, variability, and modeling over Central America.
2018
- Toward Improvement in Seasonal Forecasting in the Southwest United States Using Regional Climate Product at Convective-Permitting Scale
2018
- Improving warm season precipitation prediction over the U.S. through the community NOAH-MP land surface model
2018
- Improvement in the Modeled Representation of North American Monsoon Precipitation Using a Modified Kain–Fritsch Convective Parameterization Scheme
2018
- Convective-permitting hindcast simulations during The North American Monsoon GPS Transect Experiment 2013: Establishing Baseline Model Performance Without Data Assimilation
2018
- Examining the ecohydrological water source separation hypothesis using isotopic and hydrometric observations for a mountainous ecosystem
2018
- Enhancing the NOAA National Water Center WRF-Hydro model architecture to improve representation of the Midwest and Southwest CONUS climate regions
2017
- How Might Recharge Change Under Projected Climate Change in the Western US?
2017
- Multi-year climate variability in the Southwestern United States within a context of a dynamically downscaled twentieth century reanalysis
2017
- The More Extreme Nature of North American Monsoon Precipitation in the Southwestern United States as Revealed by a Historical Climatology of Simulated Severe Weather Events
2017
- Comparing potential recharge estimates from three Land Surface Models across the western US
2017
- Simulating organized convection during the 2004 North American Monsoon Experiment and its sensitivity to initial conditions
2017
- Enhancements to the WRF-Hydro Hydrologic Model Structure for Semi-arid Environments
2017
- An Evaluation of Nine ARW-WRF Microphysics Schemes for Solar Power Forecast in Arizona
2017
- Scaled distribution mapping: a bias correction method that preserves raw climate model projected changes
2017
- An Improved QPE over Complex Terrain Employing Cloud-to-Ground Lightning Occurrences
2017
- Long-Term Changes in the Climatology of Transient Inverted Troughs over the North American Monsoon Region and Their Effects on Precipitation
2016
- The North American Monsoon GPS Transect Experiment 2013
2016
- Editorial: Recent developments in Regional Climate 1 Modelling with COSMO-CLM, Part 2
2016
- Toward a new paradigm of convective-permitting modeling in subseasonal-to-seasonal forecasting of warm season precipitation extremes
2016
- Implications of projected climate change for groundwater recharge in the western United States
2016
- Interactions between Climate, Land Use, and Vegetation Fire Occurrences in El Salvador
2016
- Objective Climatological Analysis of Extreme Weather Events in Arizona during the North American Monsoon
2016
- Low-frequency variability of precipitation in the North American monsoon region as diagnosed through earlywood and latewood tree-ring chronologies in the southwestern US
2016
- Optimization of precipitation and streamflow forecasts in the southwest Contiguous US for warm season convection
2015
- The dominant synoptic-scale modes of North American monsoon precipitation
2015
- Climate change and water resources management in the Upper Santa Cruz River
2015
- Climate change and water resources management in the Upper Santa Cruz River, Arizona (vol 521, pg 18, 2015)
2015
- Evaluating Changes in Extreme Weather During the North American Monsoon in the Southwest U.S. Using High Resolution, Convective-Permitting Regional Atmospheric Modeling
2015
- Low frequency variability of the North American monsoon as diagnosed through early and latewood tree-ring chronologies in the Southwest U.S.
2015
- Climate change and water resources management in the Upper Santa Cruz River, Arizona
2015
- The more extreme nature of US warm season climate in the recent observational record and two well-performing dynamically downscaled CMIP3 models
2015
- How Might Recharge Change Under Projected Climate Change in Western US
2015
- Physical Mechanisms Related to Climate-Induced Drying of Two Semiarid Watersheds in the Southwestern United States
2014
- Dominant patterns of US warm season precipitation variability in a fine resolution observational record, with focus on the southwest
2014
- Implications of Prospective Climate Change for Groundwater Recharge in the Western United States
2014
- Water resources vulnerability to climate change in the Upper Santa Cruz River, Arizona
2014
- Atmospheric Rivers and Cool Season Extreme Precipitation Events in the Verde River Basin of Arizona
2014
- North American monsoon precipitation reconstructed from tree-ring latewood
2013
- Monsoon precipitation reconstructed from tree rings in the southwestern United States
2013
- Sierra San Pedro Mártir, Baja California, cool-season precipitation reconstructed from earlywood width of Abies concolor tree rings
2013
- Tree rings and multiseason drought variability in the lower Rio Grande Basin, USA
2013
- Sierra San Pedro Martir, Baja California, cool-season precipitation reconstructed from earlywood width of Abies concolor tree rings
2012
- The North American monsoon in the US Southwest: Potential for investigation with tree-ring carbon isotopes
2012
- Can a Regional Climate Model Improve the Ability to Forecast the North American Monsoon?
2012
- Changes in winter precipitation extremes for the western United States under a warmer climate as simulated by regional climate models
2012
- Are Present Day Climate Simulations Accurate Enough for Reliable Regional Downscaling
2011
- The North American monsoon in the U.S. Southwest: Potential for investigation with tree-ring carbon isotopes
2011
- Investigation of the summer climate of the contiguous United States and Mexico using the regional atmospheric modeling system (RAMS). Part 1: Model climatology (1950-2002)
2011
- Comparison of Land–Precipitation Coupling Strength Using Observations and Models
2010
- Synoptic-scale physical mechanisms associated with the Mei-yu front: A numerical case study in 1999
2009
- Improving Seasonal Predictions of Climate Variability and Water Availability at the Catchment Scale
2009
- Distinguishing Pronounced Droughts in the Southwestern United States: Seasonality and Effects of Warmer Temperatures
2009
- A modified Kain-Fritsch scheme and its application for the simulation of an extreme precipitation event in Vietnam
2009
- The Relationship of Transient Upper-Level Troughs to Variability of the North American Monsoon System
2009
- Toward Development of Improved QPE in Complex Terrain Using Cloud-to-Ground Lightning Data: A Case Study for the 2005 Monsoon in Southern Arizona
2009
- Climate change projection of snowfall in the Colorado River Basin using dynamical downscaling
2008
- Spatiotemporal Variability of Precipitation, Modeled Soil Moisture, and Vegetation Greenness in North America within the Recent Observational Record
2008
- Investigation of the summer climate of the contiguous United States and Mexico using the Regional Atmospheric Modeling System (RAMS). Part II: Model climate variability
2007
- Coupling terrestrial and atmospheric water dynamics to improve prediction in a changing environment
2007
- Satellite-based model parameterization of diabetic heating
2007
- Investigation of the summer climate of the contiguous United States and Mexico using the Regional Atmospheric Modeling System (RAMS). Part I: Model climatology (1950-2002)
2007
- Dynamical downscaling: Assessment of model system dependent retained and added variability for two different regional climate models
2007
- Influence of variations in low-level moisture and soil moisture on the organization of summer convective systems in the U.S. midwest
2006
- Dynamical downscaling: Assessment of value retained and added using the Regional Atmopsheric Modeling System (RAMS)
2005
- Vegetation greenness impacts on maximum and minimum temperatures in northeast Colorado
2003
- The relationship of the North American Monsoon to tropical and North Pacific Sea surface temperatures as revealed by observational analyses
2001
- The climatology and interannual variability of the North American Monsoon as revealed by the NCEP-NCAR Reanalysis
2000