AL
$50,000 TO $500,000
F3
SEVERE DAMAGE (158-206 MPH)
10 - 31.9 MILES
CST
15 MIN
TORNADO
NOT CONFIRMED
176 - 527 YDS
600
$5,000 TO $50,000
F1
MODERATE DAMAGE (73-112 MPH)
< 18 YDS
3.2 - 9.9 MILES
56 - 175 YDS
500
30
F2
SIGNIFICANT DAMAGE (113-157 MPH)
18 - 55 YDS
1 - 3.1 MILES
750
WITH LARGE HAIL
< 1 MILE
300
WITH LARGE HAIL AND HEAVY RAIN
F4
DEVASTATING DAMAGE (207-260 MPH)
528 - 1759 YDS
WITH HEAVY RAIN
2000
EST
30 MIN
2 HRS
1320
$500,000 TO $5,000,000
2640
32 - 99.9 MILES
50
1000
$50 TO $500
1800
1200
800
150
1 HR 15 MI
NO DAMAGE REPORTED
F0
LIGHT DAMAGE (40-72 MPH)
TORNADO MOVING OVER A LARGE BO
$500 TO $5,000
WITH NO RAIN OR HAIL
20
1500
900
> 2 HRS
FROM STORM DATA
180
230
2400
2700
$5,000,000 TO $50,000,000
> 100 MILES
60
FROM NEWSPAPER CLIPPINGS
F5
INCREDIBLE DAMAGE (261-318 MPH)
1050
2100
90
450
80
120
WATERSPOUT MOVING ASHORE
FROM NWS SURVEY
240
1650
100
660
1260
10
1 HR
220
45 MIN
ROPELIKE
OBSCURED BY HEAVY RAIN
THIN COLUMN
70
MODERATE COLUMN
NO VISIBLE SIGN
COUNTER-CLOCKWISE
40
< $50
1420
0
CLOCKWISE
830
CONFIRMED
420
STRAIGHT
AR
1250
2500
> 1760 YDS
5280
200
OTHER
SINUSOIDAL
THICK COLUMN
CONE SHAPED
210
3960
5120
1980
880
1300
CDT
360
AZ
CA
160
PST
PDT
CO
550
330
1 HR 45 MI
MST
CT
DE
FL
270
GA
110
1 HR 30 MI
700
$50,000,000 TO $500,000,000
480
30 DEGREES TO THE RIGHT
250
IA
2250
390
130
ID
IL
4800
45 DEGREES TO THE LEFT
3600
60 DEGREES TO THE RIGHT
3000
30 DEGREES TO THE LEFT
530
1700
380
1350
170
IN
3900
4200
260
370
KS
EDT
140
960
1080
1400
400
60 DEGREES TO THE LEFT
990
840
630
KY
UNKNOWN
4500
LA
850
GMT
LEFT TURN LOOP
MA
MD
ME
MI
3300
280
350
1840
670
MN
540
MO
5100
MS
690
4750
1760
MT
MDT
NC
4220
1580
3670
ND
NE
NH
NJ
NM
2600
NV
NY
OH
1100
1600
2540
430
OK
2200
650
510
4000
1020
OR
PA
1280
730
2730
1590
SC
1550
2610
7800
1060
SD
TN
560
980
7500
TX
RIGHT TURN LOOP
1120
8
5200
7000
5000
520
3150
UT
VA
VT
WA
WI
190
WV
WY