 |
|
|
Speed Conversion
|
|
|
|
|
|
|
Knots
|
Mph
|
Km/hr
|
|
10
|
12
|
19
|
|
30
|
35
|
56
|
|
50
|
59
|
94
|
|
70
|
82
|
132
|
|
90
|
105
|
169
|
|
100
|
117
|
188
|
|
120
|
140
|
225
|
|
140
|
164
|
263
|
|
160
|
187
|
301
|
|
180
|
210
|
338
|
|
200
|
234
|
376
|
|
220
|
257
|
414
|
|
|
|
|
More images of Bertha
|
|
|
|
|
|
Tropical Cyclone Wind Speed
|
|
Strength
|
Category
|
1 Minute Maximum Sustained Winds
|
|
Knots
|
mph
|
km/hr
|
|
Tropical Depression
|
TD
|
<34
|
<39
|
<63
|
|
Tropical Storm
|
TS
|
34-63
|
39-73
|
63-118
|
|
Cyclone
|
Cat 1
|
64-82
|
74-95
|
119-153
|
|
Cyclone
|
Cat 2
|
83-95
|
96-110
|
154-177
|
|
Severe Cyclone
|
Cat 3
|
96-113
|
111-130
|
178-210
|
|
Severe Cyclone
|
Cat 4
|
114-135
|
131-155
|
211-250
|
|
Severe Cyclone
|
Cat 5
|
>135
|
>155
|
>250
|
|
|
Cat 6
|
|
|
|
|
|
