Northwest Weather Workshop 2004

Friday, February 27, 2004

1:00 PM Welcome. Chris Hill

Session I: Weather Applications.

1:05 Air Quality forecasting in the Puget Sound and in EPA region 10. Mike Gilroy

1:20 Where the Weather Meets the Road: A challenge to the forecasting community. Brad Colman, National Weather Service

1:35 Effect of Averaging Periods on Prediction of Pollution Episodes for Two MM5-derived Ventilation Indices for the Puget Sound Region. Joe Vaughan, Willow Foster, Brian Lamb, Ernie Recker and Mike Gilroy

1:50 An Automated Real-time ROad Weather System (ARROWS)

for Highway Maintenance Decision Makers, S. Edward Boselly

Washington State Department of Transportation

2:05 The Digital Rainfall Intensity Project (DRIP): real-time comparison of
radar-derived and raingauge-measured amounts. Robert Nissen, Meteorological Service of Canada

Session II: Gridded Forecast Dissemination

2:20 Overview of IFPS and gridded forecast dissemination by the NWS: Brad Colman, National Weather Service Seattle

2:40-3:10 Break and Poster Viewing

3:10 Carl Dierking: "Providing an Enhanced Marine Services Program in the

Digital Era."

3:25-4:10 Panel Discussion: Challenges in Forecast Dissemination Using Gridded Fields

Five minute presentation by NWS, University, Media, and Local User representatives, followed by plenary discussion.

Sesson III: Recent Climate

4:10 On the Recent Shift in the State of the North Pacific. Nicholas A. Bond  University of Washington/JISAO, James E. Overland, Mick Spillane  NOAA/Pacific Marine Environmental Laboratory, Phyllis J. Stabeno  NOAA/Pacific Marine Environmental Laboratory

4:25 Washington's Weather and Climate 2003: Philip Mote, State Climatologist, University of Washington

Banquet at Mia Roma.

Saturday, February 28, 2004

Session IV Regional Weather Prediction

9:00 Are Numerical Forecast Failures in the Pacific Northwest Still Occurring?: The

scorecard for 2003 - 2004: Lynn McMurdie, University of Washingon

9:20 Update on the UW MM5 Prediction System. Cliff Mass, et al. University of Washington

9:50 Towards a Pacific Northwest Mesoscale Data Assimilation System, Ryan D. Torn, Gregory J. Hakim, University of Washington

Session V: Forecast Verification

10:10 Automated Object-Oriented Verification Based on Cluster Analysis, Caren Marzban, Univ. of Washington

10:30- 11:00 Break

Session VI: Major Weather Events

11:00 "The Island and Snohomish County Windstorm of October 28,

2003: A Case Study." Andy Haner, National Weather Service

11:20 "Arctic Blast 2004: A Discussion of the January 2004 Pacific Northwest Cold Outbreak Focusing on the Resultant Snow, Sleet and Ice Storm in the Portland area." Justin Sharp, University of Washington

11:40 Observations of the Evolution of a Cold Front over Western Oregon: The 8-9 December 2001 IOP from IMPROVE-2: Nicholas Bond University of Washington/JISAO, Bradley, Mark Stoelinga, Chris Woods, John Locatelli University of Washington/Dept. Atmospheric Sciences

12:00 The Portland Icestorm. Bill Schneider, NWS, Portland

Poster Presentations:

1. Evaluation of Two MM5-derived Ventilation Indices for Prediction of

Particulate Pollution in the Puget Sound Region. Joe Vaughan, Willow Foster, Brian Lamb, Ernie Recker and Mike Gilroy

2. Interesting Pacific Northwest Weather Events in 2003 as Reported by an Automated Weather Station. Jordan Sutton, Cascade Climatology Consulting Corporation

3. Rapid Mesoscale Forecast Verification. Leah Heiss, Scott A. Sandgathe. David W. Jones. University of Washington Applied Physics Laboratory, Seattle, Washington

4. Windflow Through the Columbia Gorge. Justin Sharp