PRESS RELEASE

GEORGIA RANKS #1 IN PROBABILITY OF TORNADIC OCCURRENCE AMONG THE TWENTY MOST TORNADO-PRONE STATES DURING MARCH

February 25, 2009   Huntsville, AL

As part of an ongoing company-funded research study of tornadic risk assessment, by means of the Site Assessment of Tornado Threat (SATT) software, VorTek has determined the rankings of the top twenty tornado-prone states for the month of March. The rankings, based on National Weather Service data from 1950 through 2007, are as follows:
 

 

 

 

DISTURBED LAND

RANK

STATE

ACF (%)

AREA (ACRES)

  1

Georgia

0.01142

4245

  2

Arkansas

0.01106

3688

  3

Mississippi

0.01092

3298

  4

North Carolina 

0.00659

2057

  5

Alabama 

0.00618

2008

  6

South Carolina 

0.00511

988

  7

Kansas 

0.00479

2506

  8

Tennessee 

0.00426

1122

  9

Illinois

0.00345

1228

10

Indiana

0.00342

  785

11

Louisiana

0.00321

  914

12

Oklahoma

0.00300

1318

13

Missouri

0.00266

1174

14

Minnesota

0.00203

1033

15

Kentucky

0.00202

  512

16

Texas

0.00175

2938

17

Iowa

0.00170

610

18

New Jersey

0.00154

  74

19

Nebraska

0.00134

  655

20

Florida

0.00084

  290

 

The Annual Coverage Fraction (ACF) represents the average fraction of land area within the boundaries of the state disturbed by tornadoes during March for the 58-year period from 1950 through 2007. The Disturbed Land Area represents the average number of acres of land within the boundaries of the state disturbed by tornadoes during March for the same 58-year period.

VorTek LLC

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Huntsville, AL 35801

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