Thursday, August 21, 2008

Understanding Storm Language:


KTS to MPH
5
Knots
=
5.8
MPH
10
Knots
=
11.5
MPH
15
Knots
=
17.3
MPH
20
Knots
=
23.0
MPH
25
Knots
=
28.8
MPH
30
Knots
=
34.6
MPH
35
Knots
=
40.3
MPH
40
Knots
=
46.1
MPH
45
Knots
=
51.8
MPH
50
Knots
=
57.6
MPH
55
Knots
=
63.4
MPH
60
Knots
=
69.1
MPH
65
Knots
=
74.9
MPH
70
Knots
=
80.6
MPH
75
Knots
=
86.4
MPH
80
Knots
=
92.2
MPH
85
Knots
=
97.9
MPH
90
Knots
=
103.7
MPH
95
Knots
=
109.4
MPH
100
Knots
=
115.2
MPH
105
Knots
=
121.0
MPH
110
Knots
=
126.7
MPH
115
Knots
=
132.5
MPH
120
Knots
=
138.2
MPH
125
Knots
=
144.0
MPH
130
Knots
=
149.8
MPH
135
Knots
=
155.5
MPH
140
Knots
=
161.3
MPH
145
Knots
=
167.0
MPH
150
Knots
=
172.8
MPH
Windspeed in MPH Description Visible Condition
0 Calm Smoke rises vertically
1 - 4 Light Air Direction of wind shown by smoke but not by wind vanes
4 - 7 Light Breeze Wind felt on face; leaves rustle; ordinary wind vane moved by wind
8 - 12 Gentle Breeze Leaves and small twigs in constant motion; wind extends light flag
13 - 18 Moderate Breeze Raises dust and loose paper; small branches are moved
19 - 24 Fresh Breeze Small trees in leaf begin to sway; crested wavelets form on inland water
25 - 31 Strong Breeze Large branches in motion; telephone wires whistle; umbrellas used with difficulty
32 - 38 Moderate Gale Whole trees in motion; inconvenience in walking against wind
39 - 46 Fresh Gale Breaks twigs off trees; generally impedes progress
47 - 54 Strong Gale Slight structural damage occurs; chimney pots and slates removed
55 - 63 Whole Gale Trees uprooted; considerable structural damage occurs
64 - 72 Storm Very rarely experienced; accompanied by widespread damage
73+ Hurricane Devastation occurs


* * * *

To share this post, click on white envelope below.

I stole this snippet [from here]

0 Comments:

Post a Comment

Links to this post:

Create a Link

<< Home


Hit Counter