Southern Appalachian mountains image

Local Research of the Southern Appalachian Region
at WFO Morristown TN



The research coordinator for MRX is David Hotz, Science and Operations Officer (SOO). The SOO leads local training, technology transfer, and applied research efforts. The research may be carried out internally (e.g. local studies, technical memos) or in conjunction with external agencies such as universities, research laboratories, or other government offices. Please contact the SOO regarding research relevant to Southern Appalachian weather or possible collaboration.

Published Articles


Tornado image The Influence of Terrain during the 27 April 2011 Super Tornado Outbreak and 5 July 2012 Derecho around the Great Smoky Mountains National Park. (or PDF version)
by David M. Gaffin. Preprints, 26th Conf. on Severe Local Storms, Nashville, TN, American Meteorological Society, November 2012.


Tornado image An Examination of Varying Supercell Environments over the Complex Terrain of the Eastern Tennessee River Valley. (or PDF version)
by David M. Gaffin and David G. Hotz. National Weather Digest, National Weather Association, Vol. 35, December 2011.


Foggy Smoky Mountains image An Examination of the Areal Extent of High Winds due to Mountain Waves along the Western Foothills of the Southern Appalachian Mountains. (or PDF version)
by David M. Gaffin. National Weather Digest, National Weather Association, Vol. 35, August 2011.


Tornado image The Impact of Terrain on Three Cases of Tornadogenesis in the Great Tennessee Valley (or PDF version)
by Douglas G. Schneider. Electronic Journal of Operational Meteorology, National Weather Association, 2009-EJ11.


Foggy Smoky Mountains image On High Winds and Foehn Warming associated with Mountain-Wave Events in the Western Foothills of the Southern Appalachian Mountains. (or PDF version)
by David M. Gaffin. Weather and Forecasting, American Meteorological Society, Vol. 24, February 2009.


Tornado image WFO Morristown, Tennessee Severe Weather Climatology.
by Sara Presnall and David Hotz. NOAA Technical Attachment, January 2009.


Thunder snow image Synoptic Classification of Snowfall Events in the Great Smoky Mountains, USA.
by L. Baker Perry, Charles E. Konrad, David G. Hotz, and Laurence G. Lee. Preprints, 64th Eastern Snow Conf., St. Johns, Newfoundland, Canadian Meteorological Society, May 2007.


Foggy Smoky Mountains image Foehn Winds that produced Large Temperature Differences near the Southern Appalachian Mountains. (or PDF version)
by David M. Gaffin. Weather and Forecasting, American Meteorological Society, Vol. 22, February 2007.


Foggy Smoky Mountains image North American Mesoscale (NAM) Model -- Community Multiscale Air Quality (CMAQ) Model Ozone Forecast Verification Study for Knoxville, Tennessee (Summer 2005). (or PDF version)
by Loren C. Marz. NOAA Technical Memorandum (NWS SR-227), December 2006.


Foggy Smoky Mountains image Great Smoky Mountain National Park Snowfall Analysis.
by David G. Hotz. NOAA Technical Attachment (SR/SSD 2006-04), December 2006.


Tornado image A Climatology of Synoptic Conditions associated with Significant Tornadoes across the Southern Appalachian Region. (or PDF version)
by David M. Gaffin and Stephen S. Parker. Weather and Forecasting, American Meteorological Society, Vol. 21, October 2006.


Thermometer image A Comparison of MEX Guidance vs. Ensemble-based Temperature Forecasts. (or PDF version)
by Loren C. Marz. NWS Southern Region Technical Attachment (SR/SSD 2004-07), October 2004.


Thunder snow image An Unexpectedly Heavy and Complex Snowfall Event across the Southern Appalachian Region. (or PDF version)
by David M. Gaffin, Stephen S. Parker, and Paul D. Kirkwood. Weather and Forecasting, American Meteorological Society, Vol. 18, April 2003.


Foggy Smoky Mountains image An Evaluation of Temperature Variations around the Great Smoky Mountains National Park and their Associated Synoptic Weather Patterns. (or PDF version)
by David M. Gaffin, David G. Hotz, and Terry I. Getz. NOAA Technical Memorandum (NWS SR-221), October 2002.


Foggy Smoky Mountains image Unexpected Warming Induced by Foehn Winds in the Lee of the Smoky Mountains. (or PDF version)
by David M. Gaffin. Weather and Forecasting, American Meteorological Society, Vol. 17, August 2002.


Rain drop image A Precipitation and Flood Climatology with Synoptic Features of Heavy Rainfall across the Southern Appalachian Mountains. (or PDF version)
by David M. Gaffin and David G. Hotz. National Weather Digest, National Weather Association, Vol. 24, September 2000.


Rain drop image A Precipitation and Flash Flood Climatology of the WFO Morristown, Tennessee Hydrological Service Area.
by David M. Gaffin and David G. Hotz. NOAA Technical Memorandum (NWS SR-204), February 2000.


Blue lava lamp image Wake Low Severe Wind Events in the Mississippi River Valley: A Case Study of Two Contrasting Events. (or PDF version)
by David M. Gaffin. Weather and Forecasting, American Meteorological Society, Vol. 14, October 1999.


Thunder snow image Winter Lightning in the Southeast U.S. and its Relation to Heavy Frozen Precipitation.
by Steve Hunter, Jeff Underwood, Ron Holle, and Tom Mote. Preprints, 19th Conf. on Severe Local Storms, Minneapolis, MN, American Meteorological Society, September 1998.


Tornado image NWSO Morristown, Tennessee Severe Weather Climatology.
by David Hotz and Joanne Labounty. NOAA Technical Memorandum (NWS SR-197), May 1998.


Tornado image Major Tornado Outbreak in East Tennessee - May 18, 1995.
by Michael Buchanan, Terry Getz, and David Hotz. NWS Southern Region Technical Attachment (SR/SSD 96-48), November 1996.


Radar image WSR-88D Radar Rainfall Estimation: Capabilities, Limitations and Potential Improvements. (or PDF version)
by Steve Hunter. National Weather Digest, National Weather Association, Vol. 20, June 1996.


Thermometer image A Comparison of High/Low Temperature Data for Two Locations in Southeast Tennessee and Southwest North Carolina.
by Hal Austin. NWS Southern Region Technical Attachment (SR/SSD 96-14), March 1996.

 

On-Line Articles


Foggy Smoky Mountains image What Are Mountain Waves?
by David Gaffin.


Foggy Smoky Mountains image A Dense Fog Study for Knoxville Tennessee.
by Wayne Shaffer.


Lightning image Killer Flooding in Carter County TN.
by Steve Hunter and Brian Boyd.


Rotating earth image El Nino's Effect on East Tennessee Weather.
by Joanne Labounty.

 

Historical Events Information


Tornado image Videotaped presentations on the 27 April 2011 Super Tornado Outbreak in east Tennessee and southwest Virginia.
by David Gaffin, David Hotz, Tim Doyle, Tim Troutman, George Mathews, and Howard Waldron. Smoky Mountain Chapter of the American Meteorological Society, 18 July 2011.


Tornado image Map of 27-28 April 2011 Tornado Tracks across east Tennessee and southwest Virginia

 


Tornado image Map of 2 March 2012 Tornado Tracks across east Tennessee, southwest Virginia, and extreme southwest North Carolina

 


Tornado image Videotaped presentations on the 2 March 2012 Tornado Event in east Tennessee.
by David Hotz, George Mathews, and Eric Holweg. Smoky Mountain Chapter of the American Meteorological Society. 17 September 2012.


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