SHIV INDUSTRIES
Reg. Off : Plot No 23, Upasna - 02, National Highway No-08, Old Chani Road, Vadodara, Gujarat - 390001, India
Mobile : +91-9714148384
Phone : +91-265-3022402
Fax : +91-265-2760424
Call Us : 08042755998
Specifications
|
Beaufort Force |
Description |
When You See or Feel This Effect |
Wind (mph) |
Wind (km/h) |
|
0 |
Calm |
Smoke goes straight up |
less than 1 |
less than 2 |
|
1 |
Light air |
Wind direction is shown by smoke drift but not by wind vane |
1-3 |
2-5 |
|
2 |
Light breeze |
Wind is felt on the face; leaves rustle; wind vanes move |
4-7 |
6-11 |
|
3 |
Gentle breeze |
Leaves and small twigs move steadily; wind extends small flags straight out |
8-12 |
12-19 |
|
4 |
Moderate breeze |
Wind raises dust and loose paper; small branches move |
13-18 |
20-29 |
|
5 |
Fresh breeze |
Small trees sway; waves form on lakes |
19-24 |
30-39 |
|
6 |
Strong breeze |
Large branches move; wires whistle; umbrellas are difficult to use |
25-31 |
40-50 |
|
7 |
Moderate gale |
Whole trees are in motion; walking against the wind is difficult |
32-38 |
51-61 |
|
8 |
Fresh gale |
Twigs break from trees; walking against the wind is very difficult |
39-46 |
62-74 |
|
9 |
Strong gale |
Buildings suffer minimal damage; roof shingles are removed |
47-54 |
75-87 |
|
10 |
Whole gale |
Trees are uprooted |
55-63 |
88-101 |
|
11 |
Violent storm |
Widespread damage |
64-72 |
102-116 |
|
12 |
Hurricane |
Widespread destruction |
73+ |
117+ |