Session: Winter Storms (Poster Session) (The 81st AMS Annual Meeting)

P1.1

Geography of Blizzards in the Conterminous United States, 1959–2000

P1.2

A Climatology of Heavy Snowfall Events in Northwest Missouri: The Synoptic and Dynamic Characteristics of Heavy Snowfall

Michael J. Bodner, NOAA/NWSFO, Pleasant Hill, MO; and P. A. Browning, A. R. Lupo, and C. L. Berger

P1.3

The patterns associated with light, moderate and heavy snowfall events at Flagstaff, Arizona

P1.4

On the predictability of rainfall patterns

P1.5

NCEP short-range model guidance for the 24–26 January 2000 east coast winter storm

P1.6

Process partitioning of rainfall enhanced by coastal orography

Allen B. White, CIRES/Univ. of Colorado, Boulder, CO; and F. M. Ralph, P. J. Neiman, D. A. Kingsmill, and P. O. G. Persson

P1.7

Spatial and temporal characteristics of heavy precipitation events over Canada

Xuebin Zhang, MSC, Downsview, ON, Canada; and W. D. Hogg and É. Mekis

P1.8

Modeling and Visualization of a Record Meso-Snowfall Event in Jackson, Mississippi

Paul J. Croft Jr., Jackson State University, Jackson, MS; and J. Hafner, R. S. Reddy, and P. J. Fitzpatrick

P1.9

Case study and mesoscale modeling of the 28 April to 1 May 1999 heavy rain event over southeast Colorado

Paul Wolyn, NOAA/NWS, Pueblo, CO

P1.10

The Genesee Valley Blizzard of 4 March 1999: An Analysis Of Forcing Mechanisms

Jose A. Maliekal, SUNY, Brockport, NY; and S. Rochette, J. Caughel, R. Ballentine, and A. Stamm

P1.11

Effects of mountain representation and nonhydrostatic dynamics in a case of orographic precipitation

P1.12

Forecast Skill of the Penn State/NCAR MM5 Mesoscale Model during the heavy precipitation event of 23–24 February 1998 in Southern California

Charles Jones, University of California, Santa Barbara, CA; and L. M. V. de Carvalho, B. Bower, and D. Danielson

P1.13

Improving the Understanding and Prediction of Heavy Rain in Land-falling Pacific Winter Storms: The CALJET and PACJET Experiments

F. Martin Ralph, NOAA/ERL/ETL, Boulder, CO; and D. W. Reynolds, P. O. G. Persson, W. A. Nuss, D. A. Kingsmill, Z. Toth, and W. Blier

P1.14

Orographic precipitation enhancement in the coastal mountains of California during the CALJET field experiment

Paul J. Neiman, NOAA/ERL/ETL, Boulder, CO; and F. M. Ralph, A. B. White, D. A. Kingsmill, P. O. G. Persson, and D. Gottas

P1.15

Predictability of the 24–25 January 2000 Snow Storm with respect to model grid resolution and initial state

Fuqing Zhang, NCAR, Boulder, CO; and C. Snyder and R. Rotunno

P1.16

The microphysical structure of extreme precipitation

Remko Uijlenhoet, Princeton University, Princeton, NJ; and J. A. Smith and M. Steiner

P1.17

Predictability of mesoscale quantitative precipitation

Wendell A. Nuss, NPS, Monterey, CA; and D. K. Miller

P1.18

Diabatic Potential Vortiticity Modification, the Low-Level Jet, and Moisture Transport in Cyclones

P1.19

Improvement of quantitative precipitation forecasts using a new microphysical parameterization

P1.20

Improved Rainfall Detection Using High Frequency Observations from the NOAA Advanced Microwave Sounding Unit (AMSU)

Ralph R. Ferraro, NOAA/NESDIS, Camp Springs, MD; and F. Weng

P1.21

An analysis of significant WSR-88D precipitation underestimation over the Palmer Divide: 28 April to 1 May 1999 heavy rain event

Kathleen L. Torgerson, NOAA/NWS, Pueblo, CO

P1.22

Forecast Experiments for the 24–26 January 2000 East Coast storm using the NCEP Eta Model

P1.23

A Real-Time Precipitation Monitoring Algorithm—Quantitative Precipitation Estimation and Segregation Using Multiple Sensors (QPE SUMS)

Jonathan J. Gourley, CIMMS/Univ. of Oklahoma, Norman, OK; and J. Zhang, R. A. Maddox, C. M. Calvert, and K. W. Howard

P1.24

Using low frequency Predictors for Downscaling to mid-latitude precipitation: two case studies in mountainous regions

Allan Frei, University of Colorado, Boulder, CO

P1.25

Application of the NCEP/EMC Short Range Ensemble Forecast System (SREF) to Predicting Extreme Precipitation Events

M. Steven Tracton, NOAA/NWS/NCEP, Washington, DC; and J. Du

P1.26

Choosing the Optimal Configuration of a Mixed-Physics Ensemble for Quantitative Precipitation Forecasts

Matthew S. Wandishin, Univ. of Arizona, Tucson, AZ; and S. L. Mullen and D. J. Stensrud

P1.27

Statistical Analysis of Global Ensemble Precipitation Forecasts

Sanja Perica, NOAA/NWS, Silver Spring, MD; and J. Schaake, M. Mullusky, and D. J. Seo

P1.28

Hydrologic Re-Calibration Requirements for Ensemble Precipitation Forecasts Following NWP Model Changes

John Schaake, NOAA/NWS, Silver Spring, MD

P1.29

Rainfall Assimilation and Numerical Forecast of the 25 January 2000 Snow Storm

Xiaolei Zou, Florida State University, Tallahassee, FL; and Q. Zhao, Q. Xiao, and S. Peng

P1.30

Anticipating Heavy Rainfall: Forecast Aspects

Richard H. Grumm, NOAA/NWS, State College, PA; and R. Hart

P1.31

A review of the scientific and operational challenges of short-range precipitation prediction over the Great Basin

P1.32

The National Precipitation Verification Unit (NPVU): Operational implementation

Brett E. McDonald, NOAA/NWS/NCEP, Camp Springs, MD; and T. M. Graziano

P1.33

Extending the Precipitation Map Offshore Using Daily and 3-Hourly Combined Precipitation Estimates

George J. Huffman, NASA/GSFC and SSAI, Greenbelt, MD; and R. F. Adler, D. T. Bolvin, and W. R. S. Curtis

P1.34

Accounting for Uncertainty in Short Term Deterministic Precipitation Forecasts

Mary Mullusky, NOAA/NWS, Silver Spring, MD; and J. Schaake, S. Perica, and D. J. Seo

P1.35

Paper moved to Session 5, Paper number 5.2a

P1.36

A Verification Approach Suitable for Assessing the Quality of Model-Based Precipitation Forecasts during Extreme Precipitation Events

Andrew F. Loughe, CIRES/Univ. of Colorado and NOAA/FSL, Boulder, CO; and J. K. Henderson, J. L. Mahoney, and E. I. Tollerud

P1.37

The Pacific Landfalling Jets Experiment (PACJET): Building Bridges Between Research and Operations

P1.38

Extreme weather events and their probabilistic prediction by the NCEP ensemble forecast system

Yuejian Zhu, NOAA/NWS/NCEP, Washinton, DC; and Z. Toth

P1.39

Restructuring the National Weather Service Quantitative Precipitation Forecast process

Gary M. Carter, NOAA/NWS, Bohemia, NY; and T. M. Graziano

P1.40

Comparative verification of operational QPF products for the NWS QPF Process Assessment

P1.41

The Hydrometeorological Prediction Center—Restructuring Its Products and Services for the 21st Century

James E. Hoke, NOAA/NWS/NCEP, Camp Springs, MD; and D. W. Reynolds

P1.42

The Canadian Hydrometeorological Information and Prediction System (CHIPS)

R. Paul Ford, MSC, Guelph, ON, Canada; and P. Pilon, H. Goertz, B. Murphy, P. Campbell, and Z. Cao

P1.43

Evaluating forecasts of rain events

Elizabeth E. Ebert, BMRC, Melbourne, Vic., Australia; and J. L. McBride

P1.44

The impact of resolution and ensemble size on precipitation forecasts by the ECMWF EPS

Steven L. Mullen, University of Arizona, Tucson, AZ; and R. Buizza

P1.45

The Venezuelan rainfall-runoff disaster occurred in December 1999

P1.46

Integrating Climate, Hydrologic and Decision-support Models for Regional Assessments

P1.15a

A Planetary-Scale to Mesoscale Perspective of the Predictability of the 24-26 January 2000 U.S. East-Coast Snowstorm

Melvyn Shapiro, NCAR, Boulder, CO; and R. H. Langland, R. Gelaro, and F. Zhang

Poster Session 1 Winter Storms (Poster Session)