Research papers and presentations by Doug Speheger

Publications

• Smith, B. T., R. L. Thompson, D. A. Speheger, A. R. Dean, C. D. Karstens, A. K. Anderson-Frey, 2020: WSR-88D Tornado Intensity Estimates. Part I: Real-Time Probabilities of Peak Tornado Wind Speeds.,Wea. Forecasting, 35 (6), 2479-2492. doi: https://doi.org/10.1175/WAF-D-20-0010.1

• Smith, B. T., R. L. Thompson, D. A. Speheger, A. R. Dean, C. D. Karstens, A. K. Anderson-Frey, 2020: WSR-88D Tornado Intensity Estimates. Part II: Real-Time Applications to Tornado Warning Times Scales.,Wea. Forecasting,35 (6), 2493-2506. doi: https://doi.org/10.1175/WAF-D-20-0011.1

• Lindley, T. T., D. A. Speheger, M. A. Day, G. P. Murdoch, B. R. Smith, N. J. Nauslar, D. C. Daily, 2019: Megafires on the Southern Great Plains. J. Operational Meteor., 7 (12), 164-179. doi: https://doi.org/10.15191/nwajom.2019.0712

• Kuster, C. M., P. L. Heinselman, J. C. Snyder, K. A. Wilson, D. A. Speheger, J. E. Hocker, 2017: An Evaluation of Radar-Based Tornado Track Estimation Products by Oklahoma Public Safety Officials. Wea. Forecasting, 32, 1711-1726. doi: https://doi.org/10.1175/WAF-D-17-0031.1

• Karstens, C. D., K. N. Shourd, D. Speheger, A. Anderson, R. Smith, D. Andra, T. M. Smith, V. Lakshmanan, S. A. Erickson, 2016: Evaluation of near real-time preliminary tornado damage paths. J. Operational Meteor., 4 (10), 132-141, doi: http://dx.doi.org/10.15191/nwajom.2016.0410.

• Burgess, D. B., K. Ortega, G. Stumpf, G. Garfield, C. Karstens, T. Meyer, B. Smith, D. Speheger, J. Ladue, R. Smith, T. Marshall, 2014: 20 May 2013 Moore, Oklahoma, Tornado: Damage Survey and Analysis. Wea. Forecasting, 29, 1229-1237.

• Speheger, D. A., and R. D. Smith, 2006: On the Imprecision of Radar Signature Locations and Storm Path Forecasts. Natl. Wea. Dig., 30, 3-10.

• Speheger, D., 2004: Configuring WarnGen to Include Interstate Mile Marker Locations in Warnings. NWS Southern Region Technical Attachment. NWS Southern Region, Fort Worth, TX, 5 pp.

  • On-line update to "Configuring WarnGen to Include Interstate Mile Marker Locations in Warnings". (created August 2005).

• Speheger, D. A., C. A. Doswell III, and G. J. Stumpf, 2002: The Tornadoes of 3 May 1999: Event Verification in Central Oklahoma and Related Issues. Wea. Forecasting, 17, 362-381. doi: https://doi.org/10.1175/1520-0434(2002)017<0362:TTOMEV>2.0.CO;2

• Speheger, D., 2001: Corrections to the Historic Tornado Database. NOAA Tech. Memo. NWS SR-209, NWS Southern Region, Fort Worth, TX, 24 pp.

  • On-line addendum to "Corrections to the Historic Tornado Database" Tech. Memo.

• Bluestein, H. and D. Speheger, 1995: The Dynamics of an Upper- Level Trough in the Baroclinic Westerlies: Analysis Based Upon Data From a Wind- Profiler Network. Mon. Wea. Rev., 123, 2369-2383.

• Bluestein, H., J. LaDue, H. Stein, D. Speheger, and W. Unrah, 1993: Doppler Radar Wind Spectra of Supercell Tornadoes. Mon. Wea. Rev., 121, 2200-2221. doi: https://doi.org/10.1175/1520-0493(1993)121<2200:DRWSOS>2.0.CO;2

Theses

• Speheger, D. A., 1993: Diagnosis of an Upper-Level Trough Using Wind Profiler Data. M.S. Thesis, School of Meteorology, University of Oklahoma, Norman, OK, 95 pp.

• Speheger, D. A., 1990: The Updated Climatology of Indiana Tornadoes, 1953 to 1989. Undergraduate Honors Thesis, Dept. of Atmospheric Science, Purdue University, West Lafayette, IN, 39 pp.

Conference Presentations/ speeches

• Speheger, D., T. T. Lindley, G. Murdoch, B. Smith, N. Nausler, 2018: Megafires On the Southern Great Plains, Texas Weather Conference, Arlington, TX.

• Speheger, D. 2007: Oklahoma Climate and Loss Mitigation Conference 2007, Oklahoma Insurance Department and Oklahoma Climatological Survey, Norman, OK.

• Speheger, D. A., 2005: Local Damage Surveys, 2005 National Severe Weather Workshop, Midwest City, OK.

• Speheger, D. A., 2000: The 3 May 1999 Oklahoma/Kansas Tornado Outbreak. Invited speaker, 2000 Severe Storms and Doppler Radar Conference, Central Iowa Chapter of the National Weather Association, Des Moines, IA.

• Speheger, D. A., 1990: The Updated Climatology of Indiana Tornadoes. Undergraduate Research Conference, Butler University, Indianapolis, IN.

Conference Presentations Co-authored

• Lindley, T.T., D. Speheger, G. Murdoch, B. Smith, N. Nauslar, 2018: Megafires on the Southern Great Plains. 12th Fire and Forest Meteorology Symposium,Boise, ID.

• Burgess, D. W., B. R. Smith, H. B. Bluestein, Z. B. Wienhoff, D. W. Reif, R. Smith, D. Speheger, 2016: A Mini-Supercell Observed During an Outbreak of Classic Supercells on 9 May 2013. 28th Conference on Severe Local Storms, Portland, OR.

• Marshall, T. P., D. Burgess, G. Garfield, R. Smith, D. Speheger, J. Snyder, H. Bluestein, 2014: Ground-based Damage Survey and Radar Analysis of the El Reno, Oklahoma Tornado. American Meteorological Society Severe Local Storms Conference, Madison, WI.

• Scharfenberg, K., D. Speheger, A. Dean, K. L. Ortega, K. Manross, 2009: Operational forecasting of tornado locations: a verification study of "pathcasts". 23rd Conference on Weather Analysis and Forecasting, Omaha, NE.

• Scharfenberg, K., D. Speheger, A. Dean, K. Manross, K. Ortega, 2009: How Well Can We Forecast Future Tornado Locations?, 34th National Weather Association Annual Meeting, Norfolk, VA.

Conference posters

• Speheger, D. 2019: The Probability of an EF-5 Tornado Being an EF-5 Tornado: A Quantified Comparison of Damage Indicator Availability. National Weather Association Annual Meeting, Hunstville, AL.

• Speheger, D., T. Lindley, A. Anderson, B. J. Simpson, S. Bieda, 2018: Tactical Decision Support For Persistent Southern Great Plains Wildfires. Texas Weather Conference, Arlington TX.

• Lindley, T. T., T. Curl, D. Speheger, G. Murdoch, D. Daily, B. Smith, N. Nauslar, 2017: The Anderson Creek Fire: Evolution of a Megafire on the Southern Great Plains, National Weather Association Annual Meeting, Garden Grove, CA.

• Camp, J. P., L. P. Rothfusz, A. Anderson, D. Speheger, K. L. Ortega, B. R. Smith, 2014: Assessing the Moore, Oklahoma (2013) Tornado Using the National Weather Service Damage Assessment Toolkit, Special Symposium on Severe Local Storms: The Current State of the Science and Understanding Impacts, Atlanta, GA.

• Ortega, K. L., D. W. Burgess, G. S. Garfield, C. Karstens, J. G. Ladue, T. P. Marshall, T. C. Meyer, B. R. Smith, R. Smith, D. Speheger, G. J. Stumpf, 2014: Damage Survey and Analysis of the 20 May 2013 Newcastle-Moore, OK, EF-5 Tornado. Special Symposium on Severe Local Storms: The Current State of the Science and Understanding Impacts, Atlanta, GA.

• Speheger, D. A., 2000: Documentation of Verified Tornadoes for May 3, 1999 in the Norman Oklahoma NWSFO County Warning Area, National Symposium on the Great Plains Tornado Outbreak of 3 May 1999, Oklahoma City, OK.

• Stumpf, G. J., D. Speheger, and D. W. Burgess, 2000: Verification of the Tornado Events in the Norman, Oklahoma NWSFO County Warning Area for the May 3, 1999 Severe Weather Outbreak, 20th Conference on Severe Local Storms, Orlando, FL, Amer. Meteor. Soc.

• Doswell III, C. A. , G. J. Stumpf, and D. Speheger, 2000: On the Importance of Post-Event Surveys in Assessing Tornado Occurrences, T. Fujita Symposium on the Mystery of Severe Storms, Long Beach, CA, Amer. Meteo. Soc.

• Stumpf, G. J., D. Speheger, and D. W. Burgess, 1999: Verification of the Tornado Events in the Norman, Oklahoma NWSFO County Warning Area. May 3, 1999 Tornadoes: The Chickasha - Bridge Creek - OKC - Moore - Mid-Del - Choctaw Corridor, 24th National Weather Association Annual Meeting, Biloxi, MS.

• Andra Jr., D. L., and D. A. Speheger, 1998: The Development and Evolution of Multiple Tornadoes as Viewed by Doppler Radar, 23rd National Weather Association Annual Meeting, Oklahoma City, OK.

• Speheger, D. A., and H. B. Bluestein, 1993: Diagnosis of An Upper-Level Trough Using Wind Profiler Data. Preprints,13th Conference on Weather Analysis and Forecasting, Vienna, VA, Amer. Meteo. Soc., 564-566.

• Speheger, D., D. Shellberg, J. Gibbons, J. DeToro, J. Snow, and T. Grazulis, 1990: A Climatology of Severe Thunderstorm Events in Indiana. Preprints, 16th Conf. on Severe Local Storms, Kananaskis Park, Alberta, Amer. Meteor. Soc., 18-23.

Informal works

• Speheger, D., 2019: Sporadic-E Radio Propagation presentation as an introductory sporadic-E primer to South Canadian Amateur Radio Society, July 13, 2019. Norman, OK.

• Speheger, D., 2007: An Introduction to the Enhanced Fujita Scale, The Southern Plains Cyclone (The NWS/Norman newsletter), Winter 2007, 1.

• Speheger, D., 2005: The Blackwell Tornado of May 25, 1955. The Southern Plains Cyclone (The NWS/Norman newsletter), Spring 2005, 1. (Information also used on the NWS/Norman web page)

• Branick, M., D. Speheger, D. Burgess, S. Kruckenberg, 2005: The Snyder, Oklahoma Tornado of 10 May 1905. NWS/Norman web page, May 2005.

• Speheger, D., 2004: Forecast Forum: Local Influences on Summer High Temperatures The Southern Plains Cyclone (The NWS/Norman newsletter), Summer 2004, 3.

• Speheger, D., 2004: Everything You Wanted To Know About Tornadoes (But Were Afraid To Ask) Oklahoma Climate (Newletter of the Oklahoma Climatological Survey), Spring 2004, 22-23.

• Speheger, D., 2003: Hurricanes in Oklahoma and North Texas? The Southern Plains Cyclone (The NWS/Norman newsletter), Fall 2003, 6.

• Speheger, D., 2003: Weather in Review: The Oklahoma City Area Tornadoes of May 8 and 9, 2003, The Southern Plains Cyclone (The NWS/Norman newsletter), Summer 2003, 5.

• Speheger, D., 2002: Weather in Review: The Widespread Severe Wind Event of August 27, 2002. The Southern Plains Cyclone (The NWS/Norman newsletter), Winter 2002-2003, 3.

• Brewster, K., D. Dowell, and D. Speheger, 1993: Fritch, Texas Tornadoes 27 June 1992. Stormtrack, March-April 1993, 10-14.

• Speheger, D., 1990: Beauty and the Beast. [2 June 1990 Tornado intercept] Stormtrack, July 1990.