AL
$50,000 TO $500,000
F4
DEVASTATING DAMAGE (207-260 MPH)
10 - 31.9 MILES
528 - 1759 YDS
CST
15 MIN
TORNADO
WITH HEAVY RAIN
NOT CONFIRMED
2000
$500,000 TO $5,000,000
2640
3.2 - 9.9 MILES
56 - 175 YDS
300
176 - 527 YDS
1320
32 - 99.9 MILES
1500
$5,000 TO $50,000
900
WITH LARGE HAIL
1200
$5,000,000 TO $50,000,000
> 100 MILES
2400
50
$50,000,000 TO $500,000,000
CONFIRMED
AR
600
1 - 3.1 MILES
< 1 MILE
SINUSOIDAL
THICK COLUMN
THIN COLUMN
750
FROM STORM DATA
1 HR
COUNTER-CLOCKWISE
CT
4200
EST
FL
GA
450
70
30 MIN
IA
18 - 55 YDS
80
60
40
45 MIN
NO DAMAGE REPORTED
3960
90
FROM NEWSPAPER CLIPPINGS
210
$500 TO $5,000
100
420
> 1760 YDS
5280
STRAIGHT
IL
390
3600
ROPELIKE
OTHER
660
MODERATE COLUMN
30 DEGREES TO THE LEFT
WITH NO RAIN OR HAIL
120
3000
60 DEGREES TO THE RIGHT
1700
IN
1650
30 DEGREES TO THE RIGHT
530
1000
30
800
KS
45 DEGREES TO THE RIGHT
2100
230
20
NO VISIBLE SIGN
KY
< $50
$50 TO $500
UNKNOWN
LA
200
MI
2500
150
WITH LARGE HAIL AND HEAVY RAIN
350
550
OBSCURED BY HEAVY RAIN
FROM NWS SURVEY
1840
MN
MO
5100
MS
45 DEGREES TO THE LEFT
1050
3690
NC
4220
3670
ND
NE
> 2 HRS
CONE SHAPED
1 HR 15 MI
1 HR 45 MI
7920
NY
940
OH
OK
1800
4000
PA
990
SC
1590
7800
SD
1940
400
TN
TX
8
3700
WI
180
WY
7650