Tornado Warnings
Tornado Warnings
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
*Tornado Warnings - Accuracy (%) 0.58 0.61 0.57 0.66 0.7 0.63 0.68 0.76 0.79 0.75 0.75 0.76 0.78
*Tornado Warnings - Accuracy Goals (%)
*Tornado Warnings - False Alarm Rate (%) 0.75 0.76 0.78 0.8 0.73 0.76 0.72 0.73 0.76 0.74 0.77 0.79 0.76
*Tornado Warnings - False Alarm Rate Goals (%)
*Tornado Warnings - Lead Time (Min) 10.2 9.7 9.9 11 11.5 10 10 12 13 13 13 13 13
*Tornado Warnings - Lead Time Goals (Min)
**Storm-Based Tornado Warning Accuracy (%) 0.72
**Storm-Based Tornado Warning Accuracy Goals (%) 0.67 0.69 0.7 0.7 0.72 0.72 0.72
**Storm-Based Tornado False Alarm Rate (%) 0.75
**Storm-Based Tornado False Alarm Rate Goals (%) 0.74 0.72 0.72 0.72 0.7 0.7 0.7
**Storm-Based Tornado Warning Lead Time (Min) 14
**Storm-Based Tornado Warning Lead Time Goals (Min) 11 12 12 12 13 13 13

* 1996 - 2007 Tornado Warnings used County-Based Methodology.

** 2008 - Present Tornado Warnings use new Storm-Based Methodology.

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