| 词条 | Tornado outbreak sequence |
| 释义 |
A tornado outbreak sequence, or tornado outbreak day sequence, sometimes referred to as an extended tornado outbreak, is a period of continuous or nearly continuous high tornado activity consisting of a series of tornado outbreaks over multiple days with no or very few days lacking tornado outbreaks.[1] Major tornado outbreak sequences occurred in the United States in May 1917, 1930, 1949, 1965, 1974, 2003, and 2011.[2][3] Another exceptional outbreak sequence apparently occurred during mid to late May 1896.[4] Although some days lacked tornado outbreaks, the period from mid to late April 2011 also was a period of especially high tornado activity.[5] Tornado outbreak sequences tend to dominate the tornado statistics for a year and often cause a spike in tornado numbers for the entire year. Not all periods of active tornado occurrences are outbreak sequences, there must be no break in the activity to satisfy the definition. Active periods happen from every year to every several years whereas continuously active periods are less common and can be rare depending on the parameters applied to define a sequence. See also
References1. ^{{cite conference |first=Russell |last=Schneider |author2=H.E. Brooks |author3=J.T. Schaefer |title=Tornado Outbreak Day Sequences: historic events and climatology (1875-2003) |booktitle=22nd Conf. Severe Local Storms |publisher=American Meteorological Society |date=Oct 2004 |location=Hyannis, MA |url=http://ams.confex.com/ams/11aram22sls/techprogram/paper_81933.htm}} 2. ^{{cite journal |last=Hamill |first=Thomas M. |author2=R.S. Schneider |author3=H.E. Brooks |author4=G.S. Forbes |author5=H.B. Bluestein |author6=M. Steinberg |author7=D. Meléndez |author8=R.M. Dole |title=The May 2003 Extended Tornado Outbreak |journal=Bull. Am. Meteorol. Soc. |volume=86 |issue=4 |pages=531–42 |date=2005 |doi=10.1175/BAMS-86-4-531|bibcode = 2005BAMS...86..531H }} 3. ^{{cite journal |last=Hamill |first=T.M. |title=Supplement to: The May 2003 Extended Tornado Outbreak |journal=Bull. Am. Meteorol. Soc. |volume=86 |issue=4 |pages=ES3–ES16 |date=2005 |doi=10.1175/BAMS-86-4-HamillA|bibcode = 2005BAMS...86S...3H |display-authors=etal}} 4. ^{{cite web |last=Grazulis |first=Tom |authorlink=Thomas P. Grazulis |author2=Doris Grazulis |title=1896 Tornadoes |publisher=The Tornado Project |url=http://tornadoproject.com/past/pastts95.htm#1896 |accessdate=2008-05-08 |deadurl=yes |archiveurl=https://web.archive.org/web/20140226141138/http://tornadoproject.com/past/pastts95.htm#1896 |archivedate=2014-02-26 |df= }} 5. ^{{cite journal |last = Fuhrmann |first = Christopher M. |author2 = C. E. Konrad II |author3 = M. M. Kovach |author4 = J. T. McLeod |author5 = W. G. Schmitz |author6 = P. G. Dixon |title = Ranking of Tornado Outbreaks across the United States and Their Climatological Characteristics |journal = Weather Forecast. |volume = 29 |issue = 3 |pages = 684–701 |date = 2014 |doi = 10.1175/WAF-D-13-00128.1 |bibcode = 2014WtFor..29..684F }} Further reading
1 : Tornado |
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