Lee, Julian J.; Samaras, Timothy P.; Young, Carl R. (2004-10-07). "Pressure Measurements at the ground in an F-4 tornado". Preprints of the 22nd Conf. Severe Local Storms. Hyannis, Massachusetts: American Meteorological Society. Archived from the original on 2011-06-09. Retrieved 2007-07-06.
Tao, Tianyou; Wang, Hao; Yao, Chengyuan; Zou, Zhongqin; Xu, Zidog (2018). "Performance of structures and infrastructures facilities during an EF4 tornado in Yancheng". Wind and Structure. 27 (2): 137–147. doi:10.12989/was.2018.27.2.137.
"Advanced Spotters' Field Guide"(PDF). National Oceanic and Atmospheric Administration. 2003-01-03. Archived(PDF) from the original on 2022-10-09. Retrieved 2009-12-13.
"basic Spotters' Field Guide"(PDF). National Oceanic and Atmospheric Administration, National Weather Service. Archived(PDF) from the original on 2022-10-09.
"Enhanced F Scale for Tornado Damage". Storm Prediction Center. National Oceanic and Atmospheric Administration. 2007-02-01. Archived from the original on 2012-07-11. Retrieved 2009-06-21.
"The Online Tornado FAQ". www.spa.noaa.gov. Roger Edwards, Storm Prediction Center. March 2016. Archived from the original on 2 March 2012. Retrieved 27 October 2016. This article incorporates text from this source, which is in the public domain.
"Tornado Types". NOAA National Severe Storms Laboratory. Archived from the original on 2023-03-27. Retrieved 2023-03-28.
"Research tools: Radar". www.nssl.noaa.gov. NOAA National Severe Storms Laboratory. Archived from the original on 2016-10-14. Retrieved October 14, 2016.
"Advanced Spotters' Field Guide"(PDF). National Oceanic and Atmospheric Administration. 2003-01-03. Archived(PDF) from the original on 2022-10-09. Retrieved 2009-12-13.
Climate Services and Monitoring Division (2006-08-17). "Tornado Myths, Facts, and Safety". National Climatic Data Center. Archived from the original on 2012-03-14. Retrieved 2012-03-27.
Doswell, Charles A. III (2001-10-01). "What is a tornado?". Cooperative Institute for Mesoscale Meteorological Studies. Archived from the original on 2018-07-03. Retrieved 2008-05-28.
Huaqing Cai (2001-09-24). "Dryline cross section". University of California Los Angeles. Archived from the original on 2008-01-20. Retrieved 2009-12-13.
"basic Spotters' Field Guide"(PDF). National Oceanic and Atmospheric Administration, National Weather Service. Archived(PDF) from the original on 2022-10-09.
"Enhanced F Scale for Tornado Damage". Storm Prediction Center. National Oceanic and Atmospheric Administration. 2007-02-01. Archived from the original on 2012-07-11. Retrieved 2009-06-21.
Glossary of Meteorology (2020). Tornado (2 ed.). American Meteorological Society. Archived from the original on 2021-05-08. Retrieved 2021-03-06.
Doswell, Charles A. III (2001-10-01). "What is a tornado?". Cooperative Institute for Mesoscale Meteorological Studies. Archived from the original on 2018-07-03. Retrieved 2008-05-28.
Lee, Julian J.; Samaras, Timothy P.; Young, Carl R. (2004-10-07). "Pressure Measurements at the ground in an F-4 tornado". Preprints of the 22nd Conf. Severe Local Storms. Hyannis, Massachusetts: American Meteorological Society. Archived from the original on 2011-06-09. Retrieved 2007-07-06.
"Tornado Types". NOAA National Severe Storms Laboratory. Archived from the original on 2023-03-27. Retrieved 2023-03-28.
"The Online Tornado FAQ". www.spa.noaa.gov. Roger Edwards, Storm Prediction Center. March 2016. Archived from the original on 2 March 2012. Retrieved 27 October 2016. This article incorporates text from this source, which is in the public domain.
Huaqing Cai (2001-09-24). "Dryline cross section". University of California Los Angeles. Archived from the original on 2008-01-20. Retrieved 2009-12-13.
"Research tools: Radar". www.nssl.noaa.gov. NOAA National Severe Storms Laboratory. Archived from the original on 2016-10-14. Retrieved October 14, 2016.
Climate Services and Monitoring Division (2006-08-17). "Tornado Myths, Facts, and Safety". National Climatic Data Center. Archived from the original on 2012-03-14. Retrieved 2012-03-27.