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Violent Tornado Webpage

	History

	Meteorology

	Timescale

Tornado Tracks == 3 Hr Tracks Black Outlined == EF0 to EF5 Tornadoes EF5 Black Violent EF4 Blue EF3 Purple Strong EF2 Red EF1 Orange Weak EF0 Yellow == 6 Hr Tracks Black Outlined == EF0 to EF5 Tornadoes EF5 Black Violent EF4 Blue EF3 Purple Strong EF2 Red EF1 Orange Weak EF0 Yellow == 3 Hr Tracks White Outlined == EF0 to EF5 Tornadoes EF5 Black Violent EF4 Blue EF3 Purple Strong EF2 Red EF1 Orange Weak EF0 Yellow == 6 Hr Tracks White Outlined == EF0 to EF5 Tornadoes EF5 Black Violent EF4 Blue EF3 Purple Strong EF2 Red EF1 Orange Weak EF0 Yellow	Deaths/Injuries ===== 3 Hour Statistics ===== Deaths - All Avail 1950+ Deaths 1 to 9 Deaths >= 10 Path Length - All Avail 1950+ Path Length 0.1 to 9.9 Miles Path Length 10 to 24.9 Miles Path Length >= 25 Miles ===== 6 Hour Statistics ===== Deaths - All Avail 1950+ Deaths 1 to 9 Deaths >= 10 Path Length - All Avail 1950+ Path Length 0.1 to 9.9 Miles Path Length 10 to 24.9 Miles Path Length >= 25 Miles ===== 3 Hour Statistics ===== Injuries - All Avail 1950+ Injuries 1 to 49 Injuries >= 50 Path Width - All Avail 1950+ Path Width 1 to 99 Yards Path Width 100 to 499 Yards Path Width >= 500 Yards ===== 6 Hour Statistics ===== Injuries - All Avail 1950+ Injuries 1 to 49 Injuries >= 50 Path Width - All Avail 1950+ Path Width 1 to 99 Yards Path Width 100 to 499 Yards Path Width >= 500 Yards	Outlook/Watches 6 Hr 6 Hr 6 Hr 6 Hr 6 Hr 6 Hr 6 Hr 6 Hr 6 Hr 3 Hr 3 Hr 3 Hr 3 Hr 3 Hr 3 Hr 3 Hr 3 Hr 3 Hr Watches Day 1 Outlook 5th Day 1 Outlook 4th Day 1 Outlook 3rd Day 1 Outlook 2nd Day 1 Outlook 1st Day 2 Outlook 2nd Day 2 Outlook 1st Day 3 Outlook	Climatology Ave. Num. of Tornadoes Per Year 1951-1999 (OK Climate Survey) F3-F5 Longtrack Tornados 1880-2003 (Chris Broyles & Casey Crosbie) F2-F5 Tornadoes 1957-2006 (Inst. for Business & Home Safety) Month of Max Tornado Threat (Steven Ackerman & John Knox) Killer Tornado Frequency 1950-2004 (Northern Illinois University) Tornado Watches Per Year 1993-2012 Average (Greg Carbin) Violent (F4+) Tornadoes Per Millenium 1921-1995 (Harold Brooks) Significant (F2+) Tornadoes Per Century 1921-1995 (Harold Brooks) Tornado Days Per Year 1980-1999 (Harold Brooks) Probability >= EF4 Tornado 1950-2011 (Patrick Marsh) Probability >= EF2 Tornado 1950-2011 (Patrick Marsh) Probability of Any Tornado 1950-2011 (Patrick Marsh)	Maps Satellite Topography Vertical Relief Forest Cover Population Density Interstate Highways Cities Counties NWS CWAs	Options 1) Outbreaks By Region 2) Rank Major Outbreaks Reset to Original	About Webpage Tutorial Project Contributors Data Information To View Soundings		Small Monitors		Zoom

Composites

Instability

Wind Shear
- 6 Hr
- 6 Hr
- 6 Hr
- 6 Hr
- 6 Hr

Moisture

Parameters
- 6 Hr
- 6 Hr

Loop

Build

	All	Day 1	Day 2	Day 3	_____				00Z	03Z	06Z	09Z	12Z	15Z	18Z	21Z	00Z	03Z	06Z	09Z	12Z	15Z	18Z	21Z	00Z	03Z	06Z	09Z	12Z	15Z	18Z	21Z	00Z	03Z	06Z	09Z	12Z	6 Hr	Movr

>=4 Violent Tornadoes In 3 Days
1875-2014

>=1 Violent Tornado In 1 Day
1979-2014

Met Data

Yearscale

	Observed Soundings	Timescale												Radar Loop												Year Movr

1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982	1950s 1960s 1970s 1980s 1990s 2000s

1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014	1950-74 1975-99 2000-14

NCEP/NCAR R.
20th Century R.

NARR NARR SPC
SPC SPC Grazulis

For Questions Contact chris.broyles@noaa.gov

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