Tornado Warnings
Chart Image: 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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