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The Northwest Flow Snowfall Discussion Group
An Extension of the Mid-Atlantic Collaborative Science, Technology, and Applied Research (CSTAR) Group |
The Northwest Flow Snowfall Discussion Group was first created following the Fall
2005 CSTAR Regional Workshop held in Raleigh, NC. The group was designed as a "spin-off" of the regional CSTAR group with its primary focus being the specific regional forecast
problem of northwest flow snowfall in the Appalachian Mountains. Numerous NWS forecast
offices are affected by this winter weather phenomenon, and have taken an active role in
the discussion group including Greenville-Spartanburg, SC (GSP), Morristown, TN (MRX),
Blacksburg, VA (RNK), Jackson, KY (JKL), Charleston, WV (RLX), and Sterling, VA (LWX).
In addition to these NWS offices, North Carolina State University, Appalachian State University, the University of North Carolina at Asheville (UNCA), the University of North Carolina at Chapel Hill (UNC), and the University of North Carolina at Charlotte (UNCC) are active participants from the
academic realm. The group meets periodically throughout the year by way of telephone
conference to discuss recent/upcoming northwest flow snowfall events, research updates,
local modeling efforts, and other notable developments pertinent to the northwest flow
snowfall phenomenon. The purpose of this webpage is to provide a central location to access
all information that is directly relevant to the group. |
PAST CONFERENCE CALLS
Conference calls are used to discuss recent and upcoming events, as well as for updates concerning local research among other things. Below are a list of calls dates and links to a summary of the call. Any presentations that were referenced during the call are linked in the notes and are available for download.
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PAST EVENT CASE STUDIES AND SUMMARIES
Below are links to write-ups of notable NWFS events, the author, and associated NWS office.
2004
- December 19th - Bryan McAvoy, Greenville-Spartanburg, SC
- March 22nd - Steve Keighton, Jim Hudgins, and Robert Stonefield, Blacksburg, VA (9.92 MB file)
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RELATED PUBLICATIONS/CONFERENCE PRESENTATIONS
Journal articles, papers, and conference abstracts/presentations written by members of the group.
Perry, L.B., C.E. Konrad, and T.W. Schmidlin, 2007: Antecedent upstream air trajectories associated with northwest flow snowfall in the southern Appalachians. Wea. Forecasting, 22, 334-352.
Perry, L.B., and C.E. Konrad, 2006: Relationships between NW flow snowfall and topography in the Southern Appalachians, USA. Clim. Res., 32, 35-47.
Holloway, B. S., 2007: The role of the Great Lakes in northwest flow snowfall events in the southern Appalachian Mountains. M.S. thesis, Dept. of Marine, Earth, and Atmospheric Sciences, North Carolina State University, 204 pp. [Available online at http://www.lib.ncsu.edu/theses/available/etd-11022007-181739/.]
Perry, L. B., 2006: Synoptic climatology of northwest flow snowfall in the southern Appalachians. Ph.D. dissertation, Dept. of Geography, University of North Carolina at Chapel Hill, 176 pp. [Available from Dept. of Geography, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599.]
- Conference Papers and Presentations
Snowfall accumulation forecasting challenges for the southern Appalachians - Douglas Miller, L.B. Perry, Sandra Yuter, Laurence Lee, and Stephen Keighton - 2008, 33rd National Weather Association Annual Meeting, Louisville, KY. (Poster, 422 KB file)
Mesoscale snowbands persisting downstream of the southern Appalachians during northwest flow upslope events - James Hudgins - 2008, 33rd National Weather Association Annual Meeting, Louisville, KY. (Poster, 324 KB file)
The role of the Great Lakes in the 10-11 February 2005 northwest flow snowfall event in the southern Appalachian Mountains - Blair Holloway and Gary Lackmann - 2008, 33rd National Weather Association Annual Meeting, Louisville, KY. (Poster, 110 KB file)
Building a greater understanding of northwest flow snow in the southern Appalachians through a unique collaborative approach - Steve Keighton - 2008, 33rd National Weather Association Annual Meeting, Louisville, KY. (Presentation, 3.77 MB file)
Atmospheric influences on new snowfall density in the southern Appalachian Mountains, USA - L. Baker Perry, Douglas K. Miller, Sandra E. Yuter, Laurence G. Lee, and Stephen Keighton - 2008, 65th Eastern Snow Conference, Fairlee, VT. (Paper - 1.71 MB file, Poster - 431 KB file)
The role of the Great Lakes in the 10-11 February 2005 northwest flow snowfall event in the southern Appalachian Mountains - Blair Holloway - 2007, 13th Annual Palmetto Chapter of the American Meteorological Society Mini-Technical Conference, Columbia, SC. (Presentation, 3.73 MB file)
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LINKS TO LOCAL MESOSCALE MODELS
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ADDITIONAL LINKS
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Any questions or comments concerning this page and its contents can be directed to Blair Holloway.
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www.weather.gov 
