Jeffrey S. (Jeff) Tilley
Research and Technology Transfer Scientist
Regional Weather Information Center, University of North Dakota  
Phone: 701-777-4303
Fax: 701-777-3888/5032
Cell:218-791-2696
email: tilley@rwic.und.edu

Ph.D. , Meteorology, 1990, The Pennsylvania State University


Research Interests:

Operational Numerical Weather Prediction and Weather Forecasting
Regional Modeling of the Arctic
Aviation Meteorological Applications
Atmosphere-Surface Interactions

Jump to a quick description of Current Funded Projects

Jump to a listing of publications, presentations and Preprints

Click here for an animated gif file of a cool PSU/NCAR mesoscale model simulation

Click here to get to the Arctic MM5 web page

Click here for a Powerpoint poster (in pdf format)  which gives an overview of the Arctic MM5 system I worked to
develop at UAF


Personal Interests

Music and Theatre 
Science Fiction
Travel            (click here to go to my picture page)
Hiking, Fishing,Cycling, Jeeping and otherwise exploring the great outdoors!


Some Interesting Work Related Links(last modified August 25, 2003):

RWIC Main page
AHPCRC UND Webpage
AHPCRC Main page
UAF Mesoscale Modeling and Applications Group page

NWSFO Fairbanks
NWS Grand Forks, ND Forecast 
PSU/NCAR MM5 Mesoscale Modeling System Home Page
UPOS Program Front Page
UND Atmospheric Science Page
UAF Atmospheric Science Page

Weather Underground Weather Gizmo
 



Publications and Conference Preprints:

Publications

1. Tilley, J. S. 1990: On the Application of Edge Wave Theory to Terrain-Bounded Cold Surges: A Numerical Study. Ph.D. thesis, The Pennsylvania State University, University
Park, PA. 353 pp.

2. Mecikalski, J. R. and J. S. Tilley, 1992: Front Range Cold Surges: Development of a Classification Scheme. Meteorology and Atmospheric Physics 48, 249-271.

3. Blackadar, A. K. and J. S. Tilley, 1993: Using Your Computer: Modeling Climate on a Home Computer, Part I: Climate of the Present. Weatherwise, 46,4.

4. Blackadar, A.K. and J. S. Tilley, 1994: Using Your Computer: Modeling Climate on a Home Computer, Part II: Experiments with Feedback. Weatherwise, 46,5, 37-39.

5. A. H. Lynch, D. L. McGinnis, W. L. Chapman and J. S. Tilley, 1997: A Multivariate Comparison of Land Surface Models Integrated into an Arctic Regional Climate
System Model. Ann. Glaciology, 25,127-131.

6. Tilley, J. S., W. L. Chapman and W. Wu, 1997: Sensitivity Tests of the Canadian Land Surface Scheme (CLASS) for Arctic Tundra. Ann. Glaciology, 25, 46-50.

7. Tilley, J. S. and A. H. Lynch, 1998: On the applicability of current land surface schemes for Arctic tundra: An intercomparison study. J. Geophys. Res. 103,D22, 29051-29063.

8. Tilley, J.S, A. H. Lynch,W.L. Chapman, W.Wu and G. Weller, 1999: On the Coupling of Land Surface Packages Within a Regional Climate Model of the Arctic. Proceedings of
a Workshop on Arctic Regional Climate Models, H. Cattle, ed. World Meteorological Organization/Tech. Document No. 981, pp. C12.1-12.5.

9. Tilley, J. S. and J. Long, 2002:  The Utility of DTED high resolution terrain data in MM5 Alaskan simulations.  Technical report to University Partnering for Operational Support Program, Johns Hopkins University, March 2002. 14 pp.

10. Fan, X. and J. S. Tilley, 2002:  User’s Manual: Assimilating AVHRR Data into MM5 via Newtonian Nudging.  Technical report to University Partnering for Operational Support Program, Johns Hopkins University, August 2002, 43 pp.

11. Fan, X. and J. S. Tilley, 2002: User’s Manual: OBS-NUDG:  Observation Nudging with MM5.  Technical Report to University Partnering for Operational Support Program, Johns Hopkins University, August 2002, 96 pp.

12. Zhang, J. and J. S. Tilley, 2002: Arctic MM5 Modeling System: Part 1: Coupling the Land    Surface Model NOAH-LSM with the Mesoscale Model MM5. Technical Report to  University Partnering for Operational Support Program, Johns Hopkins University, August 2002, 167 pp.

13. Zhang, J. and J. S. Tilley, 2002: Arctic MM5 Modeling System: Part 2: Implementation of Soil   Moisture Assimilation Scheme within the MM5 Model.    Technical Report to   University Partnering for Operational Support Program, Johns Hopkins University,     August 2002, 110 pp.

14. Weatherby, C. and J. S. Tilley, 2002: Optical Turbulence Initial Analysis Computer Program   System.  Technical Report to University Partnering for Operational Support Program,   Johns Hopkins University, September 2002, 59 pp.

15. Zhang, J. and J. S. Tilley, 2002: Arctic MM5 Modeling System: Part 3: Coupling of a Thermodynamic Sea Ice Model with the Mesoscale Model MM5. Technical Report to University Partnering for Operational Support Program, Johns Hopkins University, September 2002, 117 pp

16. Tilley, J. S., and X. Meng,2002: Integrated Icing Diagnostic Algorithm for Alaska.  Technical   Report to University Partnering for Operational Support Program, Johns Hopkins University, September 2002, 157 pp.

17. Fan, X. and J. S. Tilley, 2002: User’s Manual: Intermittent Data Assimilation with Bratseth Analysis Scheme (IDA/B).  Technical Report to University Partnering for Operational Support Program, Johns Hopkins University, September 2002, 69 pp.

18. Tilley, J. S. and C. Weatherby, 2002: On the Potential to Elucidate Lower Tropospheric Optical Turbulence Characteristics in Interior Alaska from Existing Radiosonde Observations and Numerical Weather Prediction Models.  Technical Report to University Partnering for Operational Support Program, Johns Hopkins University, October 2002, 23 pp.

19. Tilley, J. S. , J. E. Walsh, U.S. Bhatt, N. Molders and S. A. Vavrus,2003: Arctic atmospheric and system modeling: A survey of IARC-related activities.  Tohoku Geophysical Journal. 36, 4, 397-409.

Conference Preprints and Presentations

1990     1992        1993       1994     1995       1996         1997       1998
1999    2000        2001       2002      2003

1990
20. Tilley, J. S. and P. J. Webster, 1990: Terrain-bounded cold surges: Review and proposed theory
of their existence and propagation. Fifth Conference on Mountain Meteorology, American
Meteorological Society, Boulder, CO June 25-29

21. Tilley, J. S. and P. J. Webster 1990: On the application of edge wave theory to East Asian cold
surges: A numerical study. Fifth Conference on Mountain Meteorology, American Meteorological
Society, Boulder, CO June 25-29,

1992
22. Elsner, J. B., Elsner, S. C and J. S. Tilley, 1992: A composite study of heavy rain events associated
with warm-season cyclonic circulation systems. 1992 AGU Spring Meeting, American Geophysical
Union, Montreal, Canada May 12-16. [abstract published in supplement to EOS, 73, 14.]

1993
23. Tilley, J. S., S. Jolly, J. A. Curry and A. Lynch, 1993: An Integrated System to Improve Aviation
Weather Forecasts for the Alaska Range. Preprints,Fifth International Conference on
Aviation Weather Systems, American Meteorological Society, Vienna, VA, August 2-6,
72-76.

24. Tilley, J. S. and J. A. Curry, 1993: On Polar Low MM4/5 Simulations in the East Greenland
Sea Third PSU/NCAR Mesoscale Model Users' Workshop, National Center
for Atmospheric Research, Boulder, CO, October 1993.

1994
25. Tilley, J. S.,C.A. Clayson and J. A. Curry,1994: Tests of a New Marine PBL Flux Scheme in
Polar Low Simulations Using the PSU/NCAR Mesoscale Model. Preprints, Tenth
Conference on Numerical Weather Prediction, American Meteorological Society,
Portland, OR, July 18-22 ,J9-J11.

26. Tilley, J. S. and J. A. Curry, 1994: Numerical Simulation of the Structure and Evolution of an
Ice Edge Polar Low. Preprints,Sixth Conference on Mesoscale Processes, American
Meteorological Society, Portland, OR, July 18-22, 112-114.

27. Tilley, J. S., 1994: Towards Development of a Mesoscale Model Appropriate for the
Arctic: A Status Report. Fourth PSU/NCAR Mesoscale Model Users' Workshop,
National Center for Atmospheric Research, Boulder, CO, 29 August-1 September, 68.

1995
28. Tilley,J. S., J. A. Curry, M. Lambeth and G. Liu, 1995: Simulation of an East Greenland Sea
Ice Edge Polar Low. Fourth Conference on Polar Meteorology and
Oceanography, American Meteorological Society, Dallas, TX, January 15-20.

29. Tilley,J.S. A.H. Lynch, D. A. Bailey and K.Gilkey, 1995: Improving Short-Term Weather
Forecasting Using Numerical Modeling Techniques. Alaska COMET Outreach
Symposium, University Corporation for Atmospheric Research, Fairbanks, AK
June 1995.

30. Tilley, J. S.,D. A. Bailey, A.H. Lynch, W. Chapman and K. Hedstrom, 1995: The Challenge
of Regional Climate Modeling in the Arctic. IUGG XXI General Assembly,
American Geophysical Union, Boulder CO, July 1995 [abstract published in .

1996
31. Tilley, J. S., J.-W. Bao, T. T. Warner, Y. Zhang and D. A. Bailey, 1996: Four Dimensional
Data Assimilation Experiments over the Western Arctic using MM5. ARCSS
Modeling Workshop, Arctic Research Consortium of the United States, Boulder,
CO, 15-16 January 1996. [preprint]

32.Lynch, A H., J. S. Tilley, W. L. Chapman, D. A. Bailey and J. Walsh, 1996: Regional Modeling
for Arctic Tundra Ecosystems: Performance of the Arctic Climate System Model and
Data Assimilation using MM5. ARCSS LAII Science Workshop, National Science
Foundation, ARCSS, Seattle, WA 22-24 February 1996. [preprint]

33. Tilley,J.S., D. A. Bailey, K. Gilkey, J. Julian and W.Wu, 1996: Towards Improving Short Term
Weather Forecasting Using Numerical Modeling Techniques: An Update. Alaska
COMET Outreach Symposium and Workshop on Operational Mesoscale Prediction,
University Corporation for Atmospheric Research, Fairbanks, AK, 10-13 June 1996.

34.Tilley,J.S, 1996: Modeling Meso-beta Scale Processes in Alaska. Alaska COMET Outreach
Symposium and Workshop on Operational Mesoscale Prediction, University
Corporation for Atmospheric Research, Fairbanks, AK, 10-13 June 1996. (invited)

35. Tilley,J.S., W. L. Chapman and W. Wu, 1996: Sensitivity Tests of the Canadian Land Surface
Scheme (CLASS) for Arctic Tundra. International Symposium on
Representation of the Cryosphere in Climate and Hydrological Models.,
International Glaciological Society, Victoria, B. C., Canada, 12-15 August 1996.

36. Tilley,J.S, J.-W. Bao, Y. Zheng, W. Wu and T. T. Warner, 1996: Challenges for performing
four-dimensional data assimilation over the Western Arctic using a mesoscale
model. Preprints, 11th Conference on Numerical Weather Prediction, American
Meteorological Society, Norfolk , VA 19-23 August , 456-457.

37. Tilley, J. S., F. Hao, A. H. Lynch and D. A. Bailey, 1996: The Utility of a Regional Climate
Model in Improving Understanding of Sea Ice Behavior in the Bering Sea. 47th
Arctic Division Science Conference, American Association for the Advancement
of Science, Girdwood, AK 19-21 September 1996.

38. Tilley, J. S., A. H. Lynch, D. A. Bailey, W. L. Chapman, W.Wu, D.L. McGinnis, G. Weller and
J. E. Walsh, 1996. On the coupling of land surface packages within a regional climate
model of the Arctic. WCRP/EMaPS/IASC Workshop on Arctic Regional Climate
Models, Bracknell, U.K., 4-6 November 1996 (invited).

39. Tilley, J. S., W. L. Chapman and W. Wu, 1996: Sensitivity Tests of the Canadian Land Surface
cheme for Two Arctic Tundra Sites. 1996 AGU Fall Meeting, San Francisco, CA,
15-19 December 1996.

1997
40. Tilley, J. S. and K. Gilkey, 1997: The Use of High Resolution Mesoscale Models to Support
Operational Forecast Problems. Preprints, 13th Conference of Interactive Information
and Processing Systems (IIPS) for Meteorology, Oceanography and Hydrology,
American Meteorological Society, Long Beach, CA, 2-7 February, 383-386.

41. Tilley, J. S., 1997: Regional modeling studies of the western Arctic. Paper presented at
department seminars at Geoscience Departments, Tohoku University, Sendai, Japan
and University of Tsukuba, Japan, February 1997. (invited presentations).

42. Tilley, J.S. and A. H. Lynch, 1997: On the applicability of current land surface schemes for
Arctic tundra: An intercomparison study. ARCSS LAII Science Workshop, National
Science Foundation, ARCSS, Seattle, WA, 26-29 March 1997.

43. Tilley, J.S. and K. B. Gilkey, 1997: Using High Resolution Mesoscale Models to Support
Operational Forecast Problems. COMET Alaska Region Symposium and Workshop, UCAR/
COMET, Fairbanks AK, 12-15 May (invited)

44. Tilley, J.S., D.-L. Wilkinson, J. Miller, K. Gilkey,C. Scott, H.L. Kelley, M. K. Politovich,
T. T. Warner, W. L. Chapman, A. H. Lynch, D.A. Bailey, W. Wu, J.-W. Bao and
A. L. Gravier, 1997: Regional Modeling in the Western Arctic. ARSC User Forum,
Arctic Region Supercomputing Center, Fairbanks AK, 12-14 Oct. (invited)

45. Tilley, J. S., K. B. Gilkey, C. A. Scott and D.-L. Wilkinson, 1997: Using High Resolution
Mesoscale Models to Support Operational Forecast Problems. CSTAR Science
Workshop, NOAA/Office of Meteorology, Silver Spring MD, 6-9 Oct. (invited)

46. Tilley, J. S., D.-L. Wilkinson, C. A. Scott, H. L. Kelley and K. B. Gilkey, 1997: Applications of
Mesoscale Atmospheric Models for Improved Forecasting of Aviation Weather. FAA
"Alliance for Safety" Meeting, FAA and NOAA/NWS, Anchorage, AK, 21-22 Oct.
(Invited presentation; also presented at Anchorage Chapter of American
Meteorological Society October meeting, 23 Oct).

1998
47. Tilley, J. S. and D.-L. Wilkinson, 1998: Towards an Optimal Treatment of Sea Ice for
Short Period Arctic Mesoscale Prediction. Preprints,Second Conference on Coastal
Atmospheric and Oceanic Prediction and Processes, American Meteorological
Society, Phoenix, AZ, 11-16 January, 51-58.

48. Tilley, J. S., K. Gilkey, C. Scott and D.-L. Wilkinson, 1998: Implementation of a High
Resolution Mesoscale Model within an Operational NWS Regional Network. Preprints,
14h Conference on Interactive Information and Processing Systems (IIPS) for Meteorology,
Oceanography and Hydrology, American Meteorological Society, Phoenix, AZ, 11-16
January, J3-J7.

49. Tilley, J. S., D-L. Wilkinson, K. B. Gilkey and H. L. Kelley, 1998: Short Range Simulation
of an Alaskan Clear Air Turbulence Event. Preprints, 16th Conference on Weather
Analysis and Forecasting, American Meteorological Society, Phoenix, AZ 11-16
January, 68- 70.

50. Tilley, J. S., 1998: Towards Improved Forecasting of Icing and Turbulence in the Alaskan
Region. 1998 Spring Air Fair Expo, Northern Alaskan Aviation Symposium, Fairbanks, AK, 6 March.

51. Tilley, J.S., 1998: Application of Mesoscale Numerical Weather Prediction Models to
Aviation Weather at the University of Alaska: Past, Present and Future. National
Weather Service/Alaska Region Aviation Weather Workshop, Anchorage, AK, 5-10
April.

52. Tilley, J. S, D.-L. Wilkinson and J. Miller, 1998: MM5 Ensemble Forecasts Over the Beaufort
Sea via Varying Model Physics. Preprints, Eighth PSU/NCAR Mesoscale Model User's
Workshop . National Center for Atmospheric Research, Boulder, CO 15-16 June , 45-48.

53. Tilley, J. S, J. Miller and D.-L. Wilkinson, 1998: An MM5-MPP "Physics-Based" Ensemble
Forecast for the Bosnia Theatre Using Air Force Weather Agency (AFWA)
Initialization. Preprints, Eighth PSU/NCAR Mesoscale Model User's Workshop
National Center for Atmospheric Research, Boulder, CO 15-16 June, 90-93.

54. Tilley, J. S. and K.Gilkey, 1998: Efforts to Implement MM5 within the Alaska Region
Operations Network (ARONET) Second Workshop on Real-Time Mesoscale
Numerical Weather Prediction, National Center for Atmospheric Research, Boulder,
CO, 17 June.

55. Tilley, J.S, K. G. Gilkey, D.-L. Wilkinson, M.K. Politovich, C. A. Scott, H. L. Kelley,
. G. Hufford and C. Dierking, 1998: Mesoscale Modeling in Support of Observational
Studies in the NWS Alaska Region. NOAA Review of Cooperative Institute for
Arctic Research, Fairbanks, AK, 16 September 1998.

1999
56a. Tilley, J. S., D.-L. Wilkinson and M.K. Politovich, 1999: Application of Mesoscale
Model Data to Algorithms for Inflight Icing over the Alaska Region. Preprints, Eighth
Conference on Aviation, Range and Aerospace Meteorology, 10-15 January, Dallas,
TX, 452-456.

56b. Paper 56a also appears in Preprints, The Ninth PSU/NCAR Mesoscale Model
Users' Workshop, 23-25 June , Boulder, CO, p. 120-123

57. Tilley, J.S. and D.-L. Wilkinson, 1999: The Utility of Short-Range Mesoscale Ensemble
Forecasting over the Western Arctic. Preprints,Fifth Conference on Polar Meteorology
And Oceanography, 10-15 January, Dallas, TX, 25-30.

58. Fielding, D. J., K. B. Gilkey and J. S. Tilley, 1999: Development of 4-D Visualization
Capabilities Within the NWS Alaska Region Operational Network Environment. Preprints,
15th International Conference on Interactive Information and Processing Systems for
Meteorology, Oceanography and Hydrology, AMS, 10-15 January,
Dallas,TX, 502-505.

59. Tilley, J.S. and D. J. Fielding, 1999: Mesoscale Ensemble Forecasting in the Western
Arctic.Preprints,The Ninth PSU/NCAR Mesoscale Model Users' Workshop, 23-25 June ,
Boulder, CO, 78-81.

59b. Paper 59a also presented as IARC/Frontier seminar, July 1999, Fairbanks, AK

60. Tilley, J.S., D. Y. Harrington and D. J. Fielding, 1999:On appropriate cumulus schemes for the
Polar Regions. Preprints, 13th Conference on Numerical Weather Prediction, AMS,
13-17 September, Denver, 50-53

61. Tilley, J.S., D.Y. Harrington and D. J. Fielding, 1999: Ensemble forecasting in the western
Arctic. Preprints,13th Conference on Numerical Weather Prediction, AMS, 13-17 September,
Denver, CO, 215-220.

2000
62. Tilley, J.S., 2000: A Near-Real Time MM5-Based Forecast and Verification System at UAF:
Current Status and Future Plans: UAF Atmospheric Science Seminar, 9 August, Fairbanks, AK.

63. Tilley, J. S. and J. Zhang, 2000: Testing methodologies for high latitude soil moisture initialization
in the Penn State/ NCAR MM5 mesoscale model. AGU Fall 2000 Meeting, American Geophysical
Union, 15-19 December, San Francisco, CA. [abstract available in EOS 11/21/00 supplement
CDROM]

64. Zhang, J. and J. S. Tilley, 2000: High latitude soil moisture initialization in the Penn State/ NCAR
MM5 mesoscale model: Sensitivity tests and applicability to winter conditions. AGU Fall 2000
Meeting, American Geophysical Union, 15-19 December, San Francisco, CA. [abstract available
in EOS 11/21/00 supplement CDROM]

2001
65. Zhang, J. and J. S. Tilley, 2001: Mesoscale simulations of cold season Alaskan atmosphere-surface i
nteractions using PSU/NCAR MM5 model coupled to the NOAH-LSM land surface model. Preprints,6th
Conference on Polar Meteorology and Oceanography, 14-18 May, San Diego, CA, 316-320.

66a. Tilley, J. S. and J. Zhang, 2001: The use of satellite-derived temperature for soil moisture initialization
in the Penn State/NCAR mesoscale model (MM5). Preprints, 6th Conference on Polar Meteorology and
Oceanography, 14-18 May, San Diego, CA, 322-325.

66b. Paper 55a also presented at ARL/GI Workshop, 23-24 July 2001, Fairbanks, AK.

67. Tilley, J. S., J. Long, C. Weatherby and E. L'Herault, 2001: On the performance of the AFWA version
of the PSU/NCAR MM5 model for short range forecasting in Alaska, the Western Arctic and North Pacific.
Preprints,6th Conference on Polar Meteorology and Oceanography, 14-18 May, San Diego, CA, 367-370.

68. Tilley, J. S. J. Ke, J. Long and E. L'Herault, 2001: Further experiments in mesoscale ensemble forecasting
in the Western Arctic. Preprints, 6th Conference on Polar Meteorology and Oceanography, 14-18 May,
San Diego, CA, 160-163.

69a. Tilley, J. S., and C. Weatherby, 2001: On the sensitivity of simulated subarctic wintertime inversions to
PBL parameterization. Preprints,11th PSU/NCAR Mesoscale Model Users' Workshop, 25-27 June,
Boulder, CO, 106-109.

69b. Paper 58a also presented as UAF Atmospheric Science Seminar, 25 July 2001.

70a. Zhang, J. and J. S. Tilley, 2001: Towards improvement of sea-ice physics in MM5 for the Arctic
regional modeling. Preprints, 11th PSU/NCAR Mesoscale Model Users' Workshop, AMS, 25-27 June,
Boulder, CO, 122-125.

70b. Paper 70a also presented at 2nd Weather Research and Forecasting Model (WRF) Workshop,
15-17 August 2001, Boulder, CO. (paper available online at www.wrf-model.org)

71. Fan ,X., and J. S. Tilley, 2001: Application of the Bratseth scheme for high latitude intermittent data a
ssimilation using the PSU/NCAR mesoscale model. Preprints, 14th Conference on Numerical Weather
Prediction, AMS, 30 July -2 August, Ft. Lauderdale, FL, J139-J143.

72.Tilley, J. S., and X. Fan, 2001: Revisiting the utility of Newtonian nudging for four dimensional data
assimilation in high latitude mesoscale forecasts. Preprints,14th Conference on Numerical Weather
Prediction, AMS, 30 July -2 August, Ft. Lauderdale, FL, J144-J148.

73. Tilley, J. S, and R. Thoman, 2001: Gauging mesoscale predictability of an unusual high latitude snow e
vent via a multi-model comparison. Preprints,9th Conference on Mesoscale Processes, AMS,
30 July-2 August, Ft. Lauderdale, FL ,326-330.

74. Zhang, J. and J. S. Tilley, 2001: Assimilation of soil moisture from Satellite-derived skin temperature
within the Penn State/NCAR Mesoscale Model MM5. Preprints,11th Conference on Satellite Meteorology
and Oceanography, AMS, 15-19 October, Madison, WI, 83-86.

75. Tilley, J.S. and J. Long, 2001: Incoporating data from GOES and POES platforms into an integrated
in-flight icing diagnostic algorithm for Alaska. Preprints,11th Conference on Satellite Meteorology and
Oceanography, AMS, 15-19 October, Madison, WI, 99-102.

76. Tilley, J.S., 2001: Regional Modeling Activities at the University of Alaska Geophysical Institute and
International Arctic Research Center. Meteorology/IPRC Joint Seminar, University of Hawaii-Manoa,
9 October

77. Stevens, D., J. S. Tilley and J. Klemp, 2001: Development of the U.S. Weather Research and Forecast
(WRF) Model.First International Pacific Research Center Regional Climate Modeling Workshop,
University of Hawaii-Manoa, 10-11 October.

2002

78. Zhang, J. J. S. Tilley and X. Zhang, 2002: Does the treatment of sea-ice matter in the MM5/NOAH-LSM modeling system? Frontier Research System for Global Change/Observational Frontier Research System for Global Change Annual Symposium 2002,  JAMSTEC, Yokohama, Japan, 18-20 March (published abstract).

79. Tilley, J. S., X. Meng and G. Kramm, 2002:  The impacts of microphysical schemes and parameter choices on icing diagnoses using the UAF Integrated In-Flight Icing Diagnostic Algorithm for Alaska.  Preprints, 10th Conference on Aviation , Range and Aerospace Meteorology, AMS, 13-16 May, Portland, OR, J59-J62.

80. Tilley, J. S. and G. Kramm, 2002:  On the impacts of microphysical schemes and parameter choices on MM5 simulations of warm season high latitude cloud and precipitation systems. Preprints, 10th Conference on Aviation , Range and Aerospace Meteorology, AMS, 13-16 May, Portland, OR, J63-J66.

81. Tilley, J. S., X. Meng and J. Long, 2002: Incoporating data from GOES and POES platforms into an integrated in-flight icing diagnostic algorithm for Alaska. Preprints, 10th Conference on Aviation , Range and Aerospace Meteorology, AMS, 13-16 May, Portland, OR, J89-J92.

82. Fan, X., and J. S. Tilley, 2002: The impact of assimilating satellite derived humidity on high-latitude MM5 forecasts.  Preprints, 15th Conference on Numerical Weather Prediction, AMS, 12-15 August, San Antonio, TX. 47-50.

83. Zhang, J., J. S. Tilley and X. Zhang, 2002: Towards accurate sea-ice modeling in a coupled MM5/Sea ice model: treatment of the ocean. Small Scale Sea Ice Ocean Modeling Workshop, International Arctic Research Center, Fairbanks, AK, 7-9 August.

84. Tilley, J.S, 2002: Arctic atmospheric and system modeling: A survey of IARC-related activities. 3rd International Workshop on Global Change: Connection to the Arctic.  International Arctic Research Center, Fairbanks, AK 3-4 November. (invited presentation)

2003

85. Tilley, J. S., J. Krieger, J. Dragomir, X. Meng, M. R. Lilly, K. Engle and V. L. Sharpton, 2003:  An Integrated Forecast and Observing System at the University of Alaska Fairbanks.  Preprints, 19th Conference on Interactive Information and Processing Systems, AMS, 10-13 February, Long Beach, CA., 12 pp. Available on CD-ROM.

86. Tilley, J. S, J. Zhang and J. Krieger, 2003: The Impact of Including Coupled Sea Ice and Mixed Layer models on MM5 simulations of the Siberian High/East Asia winter monsoon system: A Preliminary Study.  2nd Workshop on Regional Climate Modeling for Monsoon Systems, Frontier Research System for Global Change, Yokohama, Japan, 4-6 March (invited presentation).

87. Tilley, J. S. and J. Krieger, 2003: The real-time Arctic MM5 modeling system: Characteristics and performance for short-range Alaska regional and local forecast applications.  Preprints, 7th Conference on Polar Meteorology and Oceanography, AMS, 12-16 May, Hyannis, MA. X pp. Available on CD-ROM from Amer. Met. Soc..

88. Zhang, J. and J. S. Tilley, 2003: Arctic storm simulation with the Arctic MM5 model: Performance validation. Preprints, 7th Conference on Polar Meteorology and Oceanography, AMS, 12-16 May, Hyannis, MA. X pp. Available on CD-ROM from Amer. Met. Soc..

89. J. S. Tilley, U. S. Bhatt, R. Colony and C. Swingley, 2003: Similar characteristics between the early winter of 2002-2003 and December warmings in Alaska: Role of polar/mid-latitude interactions. Preprints, 7th Conference on Polar Meteorology and Oceanography, AMS, 12-16 May, Hyannis, MA. X pp. Available on CD-ROM from Amer. Met. Soc..

90. Ivanov, S. and J. S. Tilley, 2003: Impact of data resolution on meteorological fields over the polar regions. Preprints, 7th Conference on Polar Meteorology and Oceanography, AMS, 12-16 May, Hyannis, MA. X pp. Available on CD-ROM from Amer. Met. Soc..

91. Fan, X. and J. S. Tilley, 2003: Tests of a satellite-based cloud initialization scheme for high latitude application in MM5. Preprints, 7th Conference on Polar Meteorology and Oceanography, AMS, 12-16 May, Hyannis, MA. X pp. Available on CD-ROM from Amer. Met. Soc.

92.Mahji, I., J. Zhang, J. S. Tilley and N. Molders, 2003: On the performance of two advanced land surface schemes as applied to simulations of Arctic land environments. Preprints, 7th Conference on Polar Meteorology and Oceanography, AMS, 12-16 May, Hyannis, MA. X pp. Available on CD-ROM from Amer. Met. Soc

93. Zhang, J.  and J. S. Tilley, 2003: Off-line tests of the land surface model NOAH-LSM for Alaska sites. Preprints, 7th Conference on Polar Meteorology and Oceanography, AMS, 12-16 May, Hyannis, MA. X pp. Available on CD-ROM from Amer. Met. Soc

94. Tilley, J.S, J.Krieger, J. Zhang, X. Fan  and X. Meng, 2003: The Arctic MM5 system: Characteristics and a Preliminary Evaluation of Performance . Preprints, 13th PSU/NCAR Mesoscale Model User's Workshop , NCAR, 10-11 June, Boulder, CO, 77-80.

95. Tilley, J.S,  and J. Krieger, 2003: Verification of Arctic MM5 Performance over the Annual Cycle, 2002-2003 . Preprints, Workshop on High Latitude Numerical Weather Prediction , International Arctic Research Center, University of Alaska,8-10 October, Fairbanks, AK, 15 pp. Available on CD-Rom from the Univ. of N. Dakota

96. Tilley, J.S, 2003: Issues Related to High Latitude Real-time Numerical Weather Prediction and Forecast Dissemination . UND Atmospheric Science Graduate Seminar, Grand Forks, ND, 26 Sept. 2003



Current Funded UA Projects

1) "Improved Methods of Forecasting Icing and Turbulence for Aircraft Operations, Phase II", DoDJohns Hopkins University, under "University Partnership for Operational Support", 10/1/01-9/30/02 , $186,954. (PI)

2) "Improved Modeling of Surface Fluxes and Soil Moisture within MM5",DoD/Johns Hopkins University, under "University Partnership for Operational Support, Phase II", 10/30/01-9/30/92, $177,684. (PI)

3) "UAF In-Flight Icing Algorithm Research and Development", Federal Aviation Administration 6/1//01-5/30/02, $36,991. (PI)

4) "Toward Accurate Sea-Ice Modeling in a Coupled MM5/Sea-ice model: Treatment of Ocean Mixed Layer" , International Arctic Research Center/Frontier Research System for Global Change, 11/1/01-3/30/02, $21,600 (co-PI)

5) "Characterization of Atmospheric Optical Turbulence Patterns in the High-Latitude Atmosphere, Phases I-III", , DoD/Johns Hopkins University, under "University Partnership for Operational Support, Phase II", $50,000 (co-PI)

 
F unded UND Projects

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last updated November 12,2003