Status of Cyclone Workshop 19 September 2003

	12th Cyclone Workshop
	21-26 September 2003 Scientific Agenda
	(current as of 18 September 2003)
	Far Hills Inn and Conference Center
	Val Morin, Quebec, Canada
	Sunday, 21 September 2003
	Workshop begins with dinner
	Monday, 22 September 2003

	Session I:  Cyclone/anticyclone life cycles and theoretical issues, 
	Chair:  Lance F. Bosart

	0830
	1.	A new look at anticyclogenesis.  Stephen J. Colucci, (Cornell 
	University).

	0850
	2.	Hodograph variability within analytically modeled 
	synoptic-scale baroclinic systems.  Peter C. Banacos
	  	and Howard B. Bluestein, (University of Oklahoma).

	0910
	3.	West-Pacific wave cyclone induced by wave packets propagating 
	across the subtropical jet over
		Southern Asia.  Edmund K. M. Chang, (ITPA/MSRC, Stony Brook 
	University).

	0930
	4.	Dynamical sensitivity to downstream development in an eastern 
	North Pacific cyclone.  Richard
		Danielson, (McGill University), David Straub, and John Gyakum.

	0950
	5.	Mesoscale fine structure of extratropical cyclones.  Andreas 
	D=F6rnbrack (DLR Oberpfaffenhofen),
		Andreas Fix, Gorazd Poberaj, Gerhard Ehret, and Melvyn A. Shapiro.

	1010
	Break

	Session I continued, Chair:  John W. Nielsen-Gammon

	1040
	6.	Carl Kreitzberg: Scientist, mentor, colleague and charter 
	member of the Cyclone Workshop. Robert A.
		Cohen (East Stroudsburg University) and David M. Schultz. 
	East Stroudsburg.

	1100
	7.	Idealized three-dimensional simulations of baroclinic waves 
	interacting with U. S. west coast
		topography.  Joseph B. Olsen  (SUNY/Stony Brook) and Brian A. Colle.

	1120
	8.	The role of the large-scale deformation field on the 
	evolution of extratropical cyclones during the
		FASTEX period.  Gwendal Rivi=E8re (CNRM, METEO-France), A. 
	Joly, L. Hua, and P. Klein.

	1140
	9.	Baroclinic Zone Potpourri.  David M. Schultz (CIMMS/NSSL) and 
	=46uqing Zhang.

	1200 Lunch

	Session I continued, Chair:  Isidoro Orlanski

	1330
	10.	Error-growth dynamics of moist baroclinic waves.  Chris 
	Snyder (NCAR), Fuqing Zhang, Richard
		Rotunno, and Zhe-Min Tan.

	1350
	11.	Perturbation growth in baroclinic waves.  Martha R. Stevens 
	(U. of Washington) and Gregory J. Hakim.

	1410
	12.	Extracting envelopes of Rossby wave packets.  Istvan Szunyogh 
	(U. of Maryland), A. Zimin, D. J. Patil,
		B. Hunt, and E. Ott.

	Session II.  Tropical cyclones and extratropical transition, Chair: 
	Isidoro Orlanski

	1430
	13.	An evaluation of the precipitation distribution in 
	landfalling tropical cyclones.  Eyad H. Atallah
		(SUNY/Albany) and Lance F. Bosart.

	1450
	Afternoon recreation

	Evening session:
	Chair:  Huw C. Davies

	2030
	14.	Theory and observations of tropopause vortex asymmetries. 
	Gregory J. Hakim (U. of Washington) and
		Amelia K. Canavan.

	2100
	15.	Bifurcation in eddy life-cycles:  Implications for storm 
	track variability.  Isidoro Orlanski (GFDL,
		Princeton U.).

	2130
	Discussion

	Tuesday, 23 September 2003

	Session II.  Tropical cyclones and extratropical transition (Continued)
	Chair:  John R. Gyakum

	0830
	16.	Numerical simulations of the extratropical transition of 
	=46loyd (1999) along the U. S. east coast.  Brian A.
		Colle (SUNY/Stony Brook).

	0850
	17.	Tropical cyclones of non-tropical origin.  Christopher A. 
	Davis (NCAR) and Lance F. Bosart.

	0910
	18.	The extratropical transitions of eastern Pacific Hurricane 
	Lester (1992) and Atlantic Hurricane Andrew
		(1992): A comparison.  Michael J. Dickinson (SUNY/Albany), 
	Lance Bosart, Kristen Corbosiero,
		Susanna Hopsch, Kelly Lombardo, Matt Novak, Brandon Smith, 
	and Alicia Wasula.

	0930
	19.	The influence of the downstream state on extratropical 
	transition:  Hurricane Earl (1998) case study.
		Ron McTaggart-Cowan (McGill U.), John R. Gyakum, and Peter Yau.

	0950
	Break

	Session II continued, Chair:  Robert E. Hart

	1020
	20.	Synoptic composites of the extratropical transition lifecycle 
	of North Atlantic tropical cyclones as
		defined by the cyclone phase space.  Robert E. Hart (Penn 
	State) and Jenni L. Evans.

	1040
	21.	Upper-level dynamical effects of a hurricane upon the 
	extratropical downstream evolution.  Olivia
		Martius (ETH) and Cornelia Schwierz.

	1100
	22.	Research aircraft observations in ex-Hurricane Isabel (2003). 
	Jim Abraham (Research Directorate of the
		Meteorological Service of Canada).

	Session III:  Diabatic heating and precipitation
	Chair: Christopher A. Davis

	1120
	23.	Climatology of precipitation associated with 500 hPa closed 
	lows in the Northeast United States.
		Anantha Aiyyer, (SUNY/Albany), Eyad Atallah and Lance Bosart.

	1140
	24.	A diagnostic study of the GEM operational forecast of the 
	European windstorm 'LOTHAR'.
		Jean-Francois Caron (UQAM).

	1200 Lunch

	Session III continued, Chair:  Christopher A. Davis

	1330
	25.	The importance of upper-tropospheric mobile trough structure 
	in severe weather outbreaks.  David A.
		Gold (Texas A & M U.) and John W. Nielsen-Gammon.

	1350
	26.	Impacts of the Atlantic and the Mediterranean on a heavy 
	precipitation episode on the Alpine southside.
		Patrick Koch (ETH) and H. C. Davies.

	1410
	27.	Diagnosis of an Extreme Precipitation Event in Northwest 
	Africa.  Jonathan E. Martin (U. of
		Wisconsin-Madison).

	1430
	Afternoon recreation

	Evening session:
	Chair:  Paul A. Roebber

	2030
	28.	On the midwinter suppression of baroclinic activity over the 
	North Pacific storm track.  Boksoon
		Myoung (Texas A & M U.) and John W. Nielsen-Gammon.

	2100
	29.	Diabatic Rossby waves.  Heini Wernli (ETH).

	2130
	Discussion

	Wednesday, 24 September 2003
	Session III:  Diabatic heating and precipitation (Continued)
	Chair:  Gregory J. Hakim

	0830
	30.	The importance of short-scale, diabatic modes in a moist 
	baroclinic atmosphere.  Richard W. Moore
		(Colorado State U.) and Michael T. Montgomery.

	0850
	31.	On the role of the precipitation mass sink as a vorticity 
	source in heavily precipitating cyclonic systems.
		Gary M. Lackmann (North Carolina State U.).

	0910
	32.	The impact of diabatic heating structures and scales, and 
	model resolution on balanced-state adjustments
		and numerical model spin-up in an idealized numerical 
	simulation.  Annie Duhamel, Christian Pag=E9
		(UQAM), and Peter Zwack.

	0930
	33.	Influence of diabatic heating and orography on North Atlantic 
	blocking.  Cornelia Schwierz (ETH), Heini
		Wernli, and Huw C. Davies.

	0950
	Break

	Session III continued, Chair:  Howard B. Bluestein

	1020
	34.	Mesoscale convective vortices (MCVs) during BAMEX.  Stan 
	Trier (NCAR) and Christopher A. Davis.

	1040
	35.	Mesoscale processes leading to the rapid intensification of a 
	cool season tornadic squall line within a
		larger scale cyclonic environment.  Alicia C. Wasula 
	(SUNY/Albany), Lance F. Bosart, Russell Schneider,
		Steven J. Weiss, and Robert H. Johns.

	Session IV:  Mesoscale precipitation structures
	Chair:  Daniel Keyser

	1100
	36.	The role of antecedent precipitation in the development of 
	the 24-25 January 2000 cyclone.  Michael J.
		Brennan (North Carolina State U.) and Gary M. Lackmann.

	1120
	37.	An observational study of cold season banded precipitation in 
	northeast United States cyclones.  David
		Novak (NWS eastern Region), Jeff Waldstreicher, Lance F. 
	Bosart, and Daniel Keyser

	1140
	38.	Orographic influences on the mesoscale structure of the 1998 
	Ice Storm.  Paul J. Roebber (U. of
		Wisconsin-Milwaukee) and John R. Gyakum.

	1200 Lunch
	1330

	39.	Synoptic control of mesoscale precipitating systems in the 
	Pacific Northwest.  Kyle Swanson (U. of
		Wisconsin-Milwaukee) and Paul J. Roebber.

	Session V:  Fronts, cyclones and topography
	Chair:  Frederick Sanders

	1350
	40.	A comparison between eastern North American and western 
	European fronts.  Olivier Fortin (UQAM)
		and Peter Zwack.

	1410
	41.	The June 5th 1995 Great Basin wind and snowstorm.  Mark 
	Jackson (NWS/Salt Lake City), Larry
		Dunn, and W. James Steenburgh.

	1430
	42.	Numerical simulations of cyclone interaction with the 
	topography of Greenland.  Rebekah Martin (U. of
		Toronto) and G. W. K. Moore.

	1450
	Afternoon recreation

	Evening Session:
	Chair:  Heini Wernli

	2030
	43.	Characteristics of European windstorms.  Tim Hewson (Met. Office, UK).

	2100
	44.	A societal/economic impact perspective of Rossby wave-train 
	propagation for the extreme
		northern-hemispheric weather events of November 2002.  Melvyn 
	A. Shapiro (NCAR).

	2130
	Discussion

	Thursday, 25 September 2003
	Session V:  Fronts, cyclones and topography (Continued)
	Chair:  David M. Schultz

	0830
	45.	Real front or baroclinic trough.  Frederick Sanders (MIT, Marblehead).

	0850
	46.	An example of a major midlatitude cyclogenesis event over the 
	intermountain region of the western
		United States.  Jason C. Shafer (U. of Utah).

	0910
	47.	Intermountain cyclogenesis and frontal evolution:  What we 
	know and what we don't.  W. James
		Steenburgh (U. of Utah).

	0930
	48.	Lower-tropospheric fronts with the leading edge of cold 
	advection aloft.  Mark T. Stoelinga (U. of
		Washington), John D. Locatelli, and Peter V. Hobbs.

	0950
	Break

	Session V continued, Chair:  Jonathan E. Martin

	1020
	49.	The composite structure and evolution of Alberta Clippers. 
	Blaine C. Thomas (U. of
		Wisconsin-Madison) and Jonathan E. Martin.

	1040
	50.	Generation of mesoscale gravity waves in upper-tropospheric 
	jet-front systems.  Fuqing Zhang (Texas
		A & M U.).

	Session VI:  Large-Scale Issues
	Chair:  Gary M. Lackmann

	1100
	51.	Planetary and synoptic scale interactions in southeast 
	Pacific blocking using potential vorticity
		diagnostics.  Anthony R. Lupo (U. of Missouri), John P. 
	Burkhardt, and Erin K. Gilliland.

	1120
	52.	A comparison of vertical motions obtained from different 
	forms of the omega equation.  Christopher
		Melick (Purdue U.) and Phillip J. Smith.

	1140
	53.	Discussion

	1200 Lunch

	1330
	54.	Large-scale modulation of subtropical cyclone frequency in 
	the central and eastern Pacific Ocean.  Jason
		A. Otkin (U. of Wisconsin-Madison) and Jonathan E. Martin.

	Session VII:  Forecasting/Applications
	Chair:  Tim Hewson

	1350
	55.	From mm to cm...Study of snow/liquid ratios over Quebec. 
	Ivan Dub=E9 (MSC/Quebec Region).

	1410
	56.	Adjoint sensitivity analysis - a practical diagnostic in a 
	synoptician's tool chest.  Daryl T. Kleist (U. of
		Wisconsin - Madison) and Michael C. Morgan.

	1430
	57.	An overview of forecasting extratropical cyclones at the NCEP 
	Ocean Prediction Center.  Joseph M.
		Sienkiewicz (NOAA/NWS Ocean Prediction Center).

	1450
	Afternoon recreation

	Evening Session: Wild card discussion
	Chair:  Melvyn A. Shapiro
	2030

	=46riday, 26 September 2003
	Session VII:  Forecasting/Applications (Continued), Chair: W. James Steenbur=
	gh

	0900
	58.	Using the National Weather Service Weather Event Simulator to 
	train operational forecasters in
		cold-season cyclone prediction.  Paul A. Sisson 
	(NWS/Burlington, VT) and John R. Gyakum.

	0925
	59.	DIONYSOS:  A fully balanced diagnostic system for studying 
	weather systems.  Jean-Francois Caron,
		Peter Zwack (UQAM), and C. Pag=E9.

	Session VIII:  Ensembles, Initialization and data assimilation, 
	=46orecast errors, Chair:  Peter Zwack

	0950
	60.	Major numerical forecast failures of west coast storms.  Lynn 
	McMurdie (U. of Washington) and Cliff
		Mass.

	1015
	Break

	Session VIII continued, Chair:  Paul A. Sisson

	1035
	61.	The role of initial condition error in the February 7, 2002 
	Oregon cyclone forecast bust.  Brian Ancell (U.
	  	of Washington).
	1100
	62.	The evaluation of NCEP short-range ensemble forecasts for 
	winter storms.  Briana J. Gordon (Cornell
		 U.) and Stephen J. Colucci.

	1125
	63.	4DVAR Data Assimilation of satellite-derived winds in 
	simulations of poorly-forecast cyclones during
		 PACJET.  Katherine M. La Casse (U. of Wisconsin-Madison) and 
	Michael C. Morgan.

	1150

	Wrap-up discussion and closing ceremony

	12:00 Lunch and Farewell