National Weather Service United States Department of Commerce
 

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

 

Investigation of Atmospheric Rivers Impacting the Pigeon River Basin of the Southern Appalachian Mountains
by Douglas K. Miller*,aDavid HotzbJessica Wintonb, and Lukas Stewart, AMS Weather and Forecasting, March 2018.

 

Northwest Flow Snow Aspects of Hurricane Sandy
by
Steve KeightonDouglas K. MillerDavid HotzPatrick D. MooreL. Baker PerryLaurence G. Lee, and Daniel T. Martin. Preprints, AMS Weather and Forecasting, February 2016, Vol. 31, No. 1.

 

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


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


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


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

 

A Collaborative Approach to Study Northwest Flow Snow in the Southern Appalachians
by
Steve KeightonLaurence LeeBlair HollowayDavid HotzSteven ZubrickJeffrey HovisGary VotawL. Baker PerryGary LackmannSandra E. YuterCharles KonradDouglas Miller, and Brian Etherton. Weather and Forecasting, American Meteorological Society, July 2009, Vol 90, No. 7.


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


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


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.


Foehn Winds that produced Large Temperature Differences near the Southern Appalachian Mountains.
by David M. Gaffin. Weather and Forecasting, American Meteorological Society, Vol. 22, February 2007.


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


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


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


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


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


Unexpected Warming Induced by Foehn Winds in the Lee of the Smoky Mountains.
by David M. Gaffin. Weather and Forecasting, American Meteorological Society, Vol. 17, August 2002.


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


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.


Wake Low Severe Wind Events in the Mississippi River Valley: A Case Study of Two Contrasting Events.
by David M. Gaffin. Weather and Forecasting, American Meteorological Society, Vol. 14, October 1999.


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.


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


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.


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


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


What Are Mountain Waves?
by David Gaffin.


A Dense Fog Study for Knoxville Tennessee.
by Wayne Shaffer.


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

 

Historical Events Information


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.


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