Updated:  09/12/08


Personal Data


Address:                      Department of Atmospheric Sciences, Box 351640

                                    University of Washington

                                    Seattle, Washington  98195


                                    (206) 685-0910




            B.S., Cornell University  1974

                        Major - Physics


            Ph.D., University of Washington  1978

                        Atmospheric Sciences


            Doctoral Thesis:  "A Numerical and Observational Study of African Wave

                                         Disturbances."  J. R. Holton, adviser.



Professional Experience


Mid 1981 to                Assistant, Associate Professor, and Professor, Department of

present                         Atmospheric Sciences, University of Washington.


1978 to mid                 Assistant Professor, Department of Meteorology, University of

1981                            Maryland. 


1974 to                        Research Assistant at Department of Atmospheric Sciences,

1978                            University of Washington.




The Weather of the Pacific Northwest, University of Washington Press, Available November 2008


Refereed Publications


Dotson, B. and C. F. Mass, 2008:  Major windstorms of the Pacific Northwest.  Submitted to Mon.        Wea. Rev.


Bond, N. and C. F. Mass, 2008: Development of weather forecasting skill for students in the

            atmospheric sciences program at the University of Washington. Submitted to the Bulletin of         the American Meteorological Society


Hahn, R.S. and C. F . Mass, 2008:  The impact of positive definite moisture advection over          orography.  Submitted to the J. Atmos. Sci.


Mass, C., S. Joslyn, J. Pyle, P. Tewson, T. Gneiting, A. Raftery, J. Baars, J. M. Sloughter, D. Jones

and C. Fraley, 2008: PROBCAST:  A Web-Based Portal to Mesoscale Probabilistic Forecasts.  Submitted to the Bulletin of the American Meteorological Society


Stoelinga, M.. M. Albright and C. Mass:  Snowpack trends over the Pacific Northwest.        Submitted        to Journal of Climate.


Wedam, G. B. , L. A. McMurdie,  and C. F. Mass, 2008: Comparison of model forecast skill of    sea-level pressure along the East and West Coasts of the United States.

            Accepted in Weather and Forecasting.


Ancell B. C, Mass C. F., 2008: The variability of adjoint sensitivity with respect to model physics    and basic-state trajectory. Monthly Weather Review: In press


Salathe, E. P., P. H. Zahn, R. Steed, and C. F. Mass, 2008. A high-resolution climate model for the

United States Pacific Northwest: Mesoscale feedbacks and local responses to climate

 change. J. Climate, in press.  


Mass, C. F., J. Baars, G. Wedam, E. Grimit, and R. Steed, 2008: Removal of systematic model bias

            on a model grid. Wea. Forecasting, 23, 438–459.


Grimit, E. P., and C. F. Mass, 2007:  Measuring the Ensemble Spread–Error Relationship

with a Probabilistic Approach: Stochastic Ensemble Results.  Monthly Weather Review,135, 203–221


Garvert, M., B. Smull, and C. Mass, 2007: Multiscale mountain waves influencing a

            major orographic precipitation event. J. Atmos. Sci, 64, 711-737


Maurer, E. P, and C. F. Mass, 2006.  Using radar rata to partition precipitation into rain

and snow in a hydrologic Model.  Journal of Hydrologic Engineering 11, 214-221


Ancell B. C. and C. F. Mass, 2006:  Structure, growth rates, and tangent linear accuracy of

adjoint sensitivities with respect to horizontal and vertical resolution.  Accepted in Monthly Weather Review. 134, 2971–2988


Tinis, S. W., R. E. Thomson, C. F. Mass, and B. M. Hickey, 2006: Comparison of MM5

and meteorological buoy winds from British Columbia to northern California. Atmos. Ocean, 44, 65–81


Mass, C., 2006:  The Uncoordinated Giant:  Why U.S. weather operations and research is

not meeting its potential. Bull. Amer. Meteor. Soc., 87, 573-584


Baars, J. and C. Mass, 2005:  Performance of National Weather Service forecasts

compared to operational, consensus, and weighted model output statistics, Weather and Forecasting, 20, 1034–1047


Garvert, M. F., B. A. Colle, and C. F. Mass, 2005:  The 13–14 December 2001,

IMPROVE-2  Event. Part I: Synoptic and Mesoscale Evolution and Comparison with a Mesoscale Model Simulation. Journal of the Atmospheric Sciences: 62, 3474–3492


Colle B. A., M. F. Garvert, J. B. Wolfe, C. F. Mass and C, P. Woods. 2005: The 13–14

December 2001 IMPROVE-2 Event. Part III: Simulated Microphysical Budgets and Sensitivity Studies. Journal of the Atmospheric Sciences, 62, 3535–3558.


Garvert, M. F., C. P. Woods, B. A. Colle, C. F. Mass, P. V. Hobbs, M. T. Stoelinga and J.

B. Wolfe,  2005. The 13–14 December 2001 IMPROVE-2 Event. Part II: Comparisons of MM5 Model Simulations of Clouds and Precipitation with Observations. Journal of the Atmospheric Sciences. 62, 3520–3534.


Eckel, F. A. and C. F. Mass, 2005:  Effective mesoscale, short-range ensemble forecasting.

            Weather and Forecasting, 20, 3238-350


Hobbs, P.V., C. F. Mass, M. T. Stoelinga, 2005:  Preface. J. Atmos. Sci., 3427–3428


Sharp, J. and C. F. Mass, 2004:  The climatological influence and synoptic evolution

associated with Columbia Gorge gap flow events. Weather and Forecasting, 19, 970-992


Stoelinga  M. T., P. V. Hobbs, C. F. Mass, J. D. Locatelli, B. A. Colle, R. A. Houze,             Jr., A. L. Rangno, N. A. Bond,  B. F. Smull, R. M. Rasmussen, G. Thompson,  and B. R. Colman, 2003:  Improvement of Microphysical Parameterizations through Observational Verification Experiment (IMPROVE). Bulletin. Amer. Meteor. Soc., 12, 1807–1826


Vaughan J., B. Lamb, R. Wilson, C. Bowman, C. Kaminsky, S. Otterson, M. Boyer, C.

Mass, M. Albright, J. Koenig, Alice Collingwood, Mike Gilroy and Naydene Maykut, 2004:  A Numerical Daily Air-Quality Forecast System for the Pacific Northwest. Bull. Amer. Meteor. Soc., 85, 549–561.


McMurdie, L., and C. F. Mass, 2004:  Major Numerical Forecast Failures in the Northeast

Pacific. Weather and Forecasting, 19, 338-356


C.F. Mass, 2003: Reply to Comments on "IFPS and the Future of the National Weather

Service". Weather and Forecasting, 18, 1305-1306


C. F. Mass et al;. 2003: IFPS and the Future of the National Weather Service.  Weather

 and Forecasting, 18, 75-79


C. F. Mass et al;. 2003:  Regional Environmental Prediction over the Pacific Northwest Prototype. Bull. Amer. Meteor. Soc., 84, 1353-1366


Sharp, J., and C. F. Mass, 2002:  Columbia Gorge flow:  insights from observational analysis and ultra-high resolution model simulation.  Bull. Amer. Meteor. Soc., 18, 75-79


Grimit, E. P., and C. F. Mass, 2002: Initial results of a mesoscale short-range ensemble forecasting system over the Pacific Northwest, Weather and Forecasting, 17, 192–205


Mass, C., D. Ovens, M. Albright, and K. Westrick, 2002: Does Increasing Horizontal Resolution

Produce Better Forecasts?: The Results of Two Years of Real-Time Numerical Weather Prediction in the Pacific Northwest.   Bull. Amer. Meteor. Soc., 83, 407–430.


Westrick, K. J., P. Storck, and C. F. Mass, 2002, Description and evaluation of a hydrometeorological forecast system for mountainous watersheds. Weather and Forecasting, 17, 250–262.


Colle, B.A., C. F. Mass, and D. Ovens, 2001: Evaluation of the timing and strength of MM5 and Eta surface trough passages over the eastern Pacific.  Weather and Forecasting, 16, 553-572


Chien, F.-C., C. F. Mass, and P. J. Neiman, 2001:  An observational and numerical study of an intense land-falling front along the northwest coast of the U.S. during COAST IOP2. Mon. Wea. Rev., 129, 934–955.


Colle, B. A., C. F. Mass, and K. J. Westrick, 2000:  MM5 precipitation verification over the Pacific Northwest during the 1977-1999 cool seasons. Weather and Forecasting, 15, 730–744.


Westrick, K. and C. Mass, 2001:  An evaluation of a high resolution hydrometeorological modeling system for the prediction of a cool-season flood event in a coastal mountainous watershed. Journal of Hydrometeorology, 2, 161-180


Davis, C., S. Low-Nam, and C. F. Mass, 2000:  Dynamics of a Catalina Eddy revealed by numerical simulation. Mon. Wea. Rev., 128, 2885-2904


Colle, B. A. and C. F. Mass, 2000:  High-resolution observations and numerical simulations of easterly gap flow through the Strait of Juan de Fuca on 9-10 December 1995. Mon. Wea. Rev., 128, 2363-2396


Colle, B. A. and C. F. Mass, 2000:  The 5-9 February 1996 flooding event over the Pacific Northwest:  sensitivity studies and evaluation of the MM5 precipitation forecasts. Mon. Wea. Rev., 128, 593-617


Mass, C. and J. Steenburgh, 2000  An Observational and Numerical Study of an Orographically  Trapped Wind Reversal along the West Coast of the U.S. Mon. Wea. Rev., 128, 2363-2396


Westrick, K., C. Mass, and B. Colle, 1999:  Is meteorological radar useful for quantitative precipitation estimation over the western U.S.? Bull. Amer. Meteor. Soc., 80, 2289-2298


Colle, B. A., K. J. Westrick, and C. F. Mass, 1999: Evaluation of MM5 and Eta-10 precipitation forecasts over the Pacific Northwest during the cool season . Weather and Forecasting, 14, 137-154


Colle, B. A., C. F. Mass and B. F. Smull, 1999: An observational and numerical study of a cold front interacting with the Olympic Mountains during Coast IOP 5. Mon. Wea. Rev., 127, 1310-1334


Colle, B. A. and C. F. Mass, 1998:  Windstorms along the western side of the Washington Cascade Mountains, Part I: a high resolution observational and modeling study of the 12 February 1995 event. Mon. Wea. Rev., 126, 28-52


Colle, B. A. and C. F. Mass, 1998:  Windstorms along the western side of the Washington Cascade Mountains, Part II:  characteristics of past events and three-dimensional idealized simulations. Mon. Wea. Rev., 126, 53-71


Mass, C. and Y.-H. Kuo, 1998:  Regional real-time numerical weather prediction: 

            current status and future potential. Bull. Amer. Meteor. Soc., 79, 253-263


Bond, N. A., C. F. Mass, B. F. Smull, R. A. Houze, M.-J. Yang, B. A. Colle, S. A Braun, M. A. Shapiro, B. C. Colman, P. J. Neiman, J. E. Oveland, W. D. Neff, and J. D. Doyle, 1997:  The coastal observation and simulation with topography (COAST) experiment. Bull. Amer. Meteor. Soc. 78, 1941-1955


Smith, R., H. Paegle, T. Clark, W. Cotton, D. Durran, G. Forbes, J. Marwitz, C. Mass, J. McGinley,

H.-L, Pan, and M. Ralph,  1997:  Local and remote effects of mountains on weather:  research needs and opportunities.  Bull. Amer. Meteor. Soc., 5, 877-892


Mass, C. F., and N. A. Bond, 1997:  Reply to Dorman’s Comments on “Coastally Trapped Wind Reversals Along the U.S. West Coast During the Warm Season :  Part II, Synoptic Evolution”  Mon. Wea.Rev., 125,1695-1697


Steenburgh, J., C. F. Mass, and S. A. Ferguson, 1997:  The influence of gaps in a coastal mountain barrier on temperature and snow level. Weather and Forecasting, 12, 208-227


Chien, F. C., C. F. Mass, and Y.-H. Kuo, 1997:  A numerical study of the interaction between a warm-season frontal system and the coastal mountains of the western U.S., Part I:  prefrontal pressure ridge, onshore push, and alongshore southerlies. Mon. Wea. Rev., 125, 1705-1729


Chien, F. C. and C. F. Mass, 1997:  A numerical study of the interaction between a warm-season frontal system and the coastal mountains of the western U.S., Part II:  Evolution of a Puget Sound Convergence Zone. Mon. Wea. Rev., 125, 1730-1752


Bond, N. A., C. F. Mass, and J. Overland, 1996: Coastally-trapped southerly flow along the U.S. West Coast:  Part I, climatology and temporal evolution.  Mon. Wea. Rev., 124, 430-445


Mass, C. F. and N. A. Bond, 1996:  Coastally-trapped southerly flow along the U.S. West Coast:  Part II, synoptic evolution.  Mon. Wea. Rev., 124, 446-461


Mass, C., 1996:  Are we graduating too many atmospheric scientists? Bull. Amer. Meteor. Soc., 77, 1255-1267


Colle, B. and C. F.  Mass, 1996:  An observational and modeling study of the interaction of low-level southwesterly flow with the Olympic Mountains during COAST IOP4. Mon. Wea. Rev., 124, 2152-2175


Steenburgh, J. and C. F. Mass, 1996:  The interaction of an intense midlatitude cyclone with coastal orography.  Mon. Wea. Rev., 124, 1329-1352


Mass, C., S. Businger, M. Albright and Z. Tucker, 1995:  A windstorm in the lee of a gap in a coastal mountain barrier.  Mon. Wea. Rev., 123, 315-331


Mass, C., 1995  The relative importance of synoptic-scale forcing versus marine layer dynamics along the West Coast of North America.  J. Atmos. Sci., 52, 2313-2318


Colle, B. and C. F. Mass, 1995:  The structure and evolution of shallow cold surge east of the Rocky Mountains.  Mon. Wea. Rev., 123, 2577-2610


W. J. Steenburgh and C. F. Mass, 1994:  The structure and evolution of a simulated Rocky Mountain lee trough.  Mon. Wea. Rev., 122,  2740-2761


Mass, C., 1993:  The application of compact discs in the atmospheric and related fields:  An update.  Bull. Amer. Meteor. Soc., 74, 1901-1908.


Ferber, G., C. Mass, G. Lackmann and M.W. Patnoe, 1993:  Snowstorms over the Puget Sound lowlands.  Wea. and Forecast, 8, 481-504.


Mass, C., and D. Schultz, 1992:  Structural development of a simulated midlatitude cyclone.  Mon. Wea. Rev., 121, 889-917.


Schultz, D., and C. Mass, 1992:  The structure and evolution of an occluded front in a midlatitude cyclone over land.  Mon. Wea. Rev., 121, 918-940.


Mass, C., J. Steenburgh, and D. Schultz, 1991:  Diurnal surface pressure variations over the continental U.S. and the influence of sea level reduction.  Mon. Wea. Rev., 119, 2814-2830.


Mass, C., 1991:  Synoptic frontal analysis:  Time for a reassessment.  Bull. Amer. Meteor. Soc., 72, 348-363.


Mass, C., and D. Portman, 1990:  Reply to Dutton.  Journal of Climate, 3, 1181-1182.


Mass, C., and G. Ferber, 1990:  Surface pressure perturbations produced by an isolated topographic barrier, Part I:  General characteristics and dynamics.  Monthly Weather Review, 118, 2579-2596.  


Mass, C., and G. Ferber, 1990:  Surface pressure perturbations produced by an isolated mesoscale topographic barrier.  Part II:  Regional effects and forecasting implication.  Mon. Wea. Rev., 118, 2597-2606.


Hermann, A.J., B. Hickey, C. Mass, and M. Albright, 1990:  Coastally trapped atmospheric gravity currents in the Pacific Northwest and their oceanic response.  J.G.R., 95, 13169-13193.


Ulrickson, B.L., and C. Mass, 1990:  Numerical investigation of mesoscale circulations in the Los Angeles Basin:  A verification study.  Mon. Wea. Rev., 118, 2340-2357.


Ulrickson, B.L., and C. Mass, 1990:  Numerical investigation of mesoscale circulations and pollutant transport in the Los Angeles Basin.  Mon. Wea. Rev., 118, 2357-2401.


Mass, C., 1989:  The origin of the Catalina eddy. Mon. Wea. Rev., 117, 2406-2436.


Mass, C., and D. Portman, 1989:  The effect of major volcanic eruptions of the last century

            on surface temperature, pressure and precipitation.  J. Climate, 2, 566-593.


Dempsey, D., and C. Mass, 1989:  Reply to "Calculation of the pressure-gradient force in the one level model of Mass and Dempsey". Mon. Wea. Rev., 117, 1110-1111.


Mass, C., and M. Albright, 1988:  Reply to the comment of C. Dorman on "Coastal southerlies and along shore surges of the West Coast of North America."   Mon. Wea. Rev., 116, 2407-2410.


Mass, C., H. Edmon, E. Recker, H. Friedman and N. Cheney, 1987:  The use of compact disks for the storage of large meteorological data sets. Bull. Amer. Meteor. Soc., 68, 1556-1558.


Mass, C., 1987:  The "banana belt" of the southern Oregon coast. Wea. Forecasting, 2, 187-198.


Mass, C.,  and M. Albright, 1987:  Coastal southerlies and alongshore surges of the west coast of North America:  Evidence of mesoscale topographically trapped response to synoptic forcing. Mon. Wea. Rev., 115, 1707-1738.


Mass, C., D. Brees and M. Albright, 1986:  The onshore surge of marine air into the Pacific Northwest:  a coastal region of complex terrain.  Mon. Wea. Rev., 114, 2602-2627.


Mass, C., and D. Dempsey, 1985:  A simple one-level model for diagnosing surface winds in mountainous and coastal regions.  Mon. Wea. Rev., 113, 1211-1227.


Mass, C., and D. Dempsey, 1985:  A topographically forced convergence line in the lee of the Olympic Mountains.  Mon. Wea. Rev., 113, 659-663.


Mass, C., and M. Albright, 1985:  A severe windstorm in the lee of the Cascade mountains of Washington State.  Mon. Wea. Rev., 113, 1261-1281.


Mass, C., and A. Robock, 1982:  The short-term influence of the Mount St. Helens eruption on surface temperature in the northwest United States.  Mon. Wea. Rev., 110, 614-622.


Robock, A., and C. Mass, 1982:  The Mount St. Helens volcanic eruption of 18 May 1980:  Large short-term effects.  Science, 216, 595-610.


Mass, C., 1982:  The topographically forced diurnal circulations of western Washington State and their influence on precipitation.  Mon. Wea. Rev., 110, 170-183.


Mass, C., 1981:  Topographically forced convergence in western Washington State.  Mon. Wea. Rev., 109, 1335-1347.


Mass, C., 1980:  The Puget Sound convergence zone.  Weatherwise, 33, 272-274.


Mass, C., 1979:  A linear primitive equation model of African wave disturbances.  J. Atmos. Sci., 36, 2075-2092.


Mass, C., and S. H. Schneider, 1977:  Statistical evidence on the influence of sunspots and volcanic dust on long-term temperature records.  J. Atmos. Sci., 34, 1995-2004.


Holton, J. R., and C. Mass, 1976:  Stratospheric vacillation cycles.  J. Atmos. Sci., 33, 2218-2225.


Mass, C., and C. Sagan, 1976:  A numerical circulation model with topography for the Martian southern hemisphere.  J. Atmos. Sci., 33, 1418-1430.


Schneider, S. H., and C. Mass, 1975:  Volcanic dust, sunspots, and temperature trends.  Science, 190.


Electronic Publications


National Meteorological Center Grid Point Data Set CD-ROM (Versions I and II).

GALE Experiment CD-ROM.

North American Observational Data for August-December 1987 CD-ROM.

World Weather Disc CD-ROM.

Climate Analysis Center Global Gridded Data


Offices and Honors


Fellow, American Meteorological Society

Max Eaton Award, American Meteorological Society

President, Puget Sound Chapter, American Meteorological Society.

Program Chairman, Puget Sound Chapter, AMS.

Treasurer, Puget Sound Chapter, AMS.

Chairman, UCAR (University Corporation for Atmospheric Research), UNIDATA Data Access Committee.

Associate Editor, Monthly Weather Review.

Consulting Editor, Encyclopedia of Climate and Weather.

Chairman, UCAR Committee on Meteorological Data Sets

Chairman, 15th AMS Conference on Weather Analysis and Forecastings

Chairman, Special Workshop on Real-Time Mesoscale NWP in the University Community

Chairman, AMS Mesoscale Meteorology Committee


National Committees


WRF Research Applications Board

NRC Committee on Atmospheric Predictability

AMS Ad-Hoc Committee on Community Fora

Chairman and member, USWRP CONDUIT committee

USWRP Science Advisory Board

WRF Science Board

Chairman and member, AMS Mesoscale Committee

USWRP PDT#4 on Mountain Meteorology

USWRP PDT#9 on Hydrology

AMS Committee on Weather Analysis and Forecasting

MM5 Community Oversight Committee

AMS Information Systems Committee

UCAR/NWS Local Digital Library Committee

UNIDATA Steering and Data Access Committees

National Academy of Sciences Geophysical Data Committee

UCAR COMET Advisory Committee

Search Committee for New NWS Director

Executive Committee, Board of Oceans and Atmosphere, National Association of State Universities and Land Grant Colleges


Regional Committees


Puget Sound Upper Air Observations Committee

Chairman, Profiler Management Committee

Northwest Mesoscale Modeling Committee


University Committees and Organizations


Member, University Senate 1988-1990, current

Department Computer Committee

Arts and Sciences Graduation Committee

Department Rules and Computer Committees

University Electronic Classroom Committee

University Football Seminar Committee


Past Graduate Students


Kucera, T., 1981:  M.S. on mesoscale modeling in complex terrain.

Delman, A., 1981:  M.S. on diurnal wind and temperature variations and air quality in Washington, D.C. area.

Dubofsky, D., 1981:  M.S. on a diagnostic study of Hurricane David.

Dempsey, D., 1985:  Ph.D. on mesoscale modeling in complex terrain.

Pam Speers, 1985:  M.S. on precipitation diagnoses and modeling in complex terrain.

David Portman, 1988:  M.S.  Effects of major eruptions on surface temperature and pressure. 

Daniel Brees,1988:  M.S. Onshore push of the Pacific Northwest. 

Brian Ulrickson, 1989:  Ph.D.  3D primitive equation modeling of flow in the LA basin.

Garth Ferber,1991 M.S.  Mesoscale pressure perturbations forced by the Olympic Mountains.

David Schultz, 1992, M.S.  Structural analysis of a midlatitude cyclone over land.

Brian Colle, 1994, M.S. Northerly surges to the east of the Rocky Mountains.

Jim Steenburgh, 1995, Ph.D:  Mesoscale modeling of synoptic/orographic interactions.

Brian Colle, 1997, Ph.D:  Dynamics of windstorms in three dimensional terrain

Fang-Ching Chien, 1997, Ph.D:  Interaction of fronts with coastal topography.

Ken Westrick, 1998, M.S.:  Coupling of atmospheric and distributed hydrological models.

Richard Steed, 1999, M.S.:  Initialization of mesoscale forecasting models.

Eric Grimit, 2001, M.S.;  A Short-Range Ensemble Prediction System

Justin Sharp, 2002:  M.S.:  A Study of the Meteorology of the Columbia River Gorge

Tony Eckel, 2004: Ph.D.  Effective Short-Range Mesoscale Ensemble Prediction.

Eric Grimit, 2004:  Ph.D.  Predicting Forecast Skill Using a Mesoscale Ensemble System

Justin Sharp, 2005, Ph.D.  Modeling study of the flow in the Columbia River Gorge.

Brian Ancell, 2006, Ph.D.  Adjoint and ensemble-based forecast sensitivity

Bri Dotson, 2007, M.S.. Structure and dynamics of major Pacific windstorms.