Beaufort Scale 0 - 12
Yogi was in Beaufort Scale 8, the definition for this is
http://en.wikipedia.org/wiki/Beaufort_scale
- Gale Fresh Gale
- Wind Speed, 34 - 40 Knots, 39 - 46 mph, 62 - 74 km/h
- Wave height 5.5 - 7.5 metre, 18 - 25 ft
- Moderately high waves with breaking crests forming spindrift. Well marked streaks of foam are blown along wind direction. Considerable airborne spray.
- On land, some twigs broken from trees. Cars veer on road. Progress on foot is seriously impeded.
- 0 - Calm <1 knot
- 1 - Light air 1 -2 knots
- 2 - Light breeze 3 - 6 knots
- 3 - Gentle breeze 7 - 10 knots
- 4 - Moderate breeze 11 - 15 knots
- 5 - Fresh breeze 16 - 20 knots
- 6 - Strong breeze 21 - 26 knots
- 7 - High wind, moderate gale, near gale 27 - 33 knots
- 8 - Gale, fresh gale 34 - 40 knots
- 9 - Strong gale 41 - 47 knots
- 10 - Storm, whole gale 48 - 55 knots
- 11 - Violent storm 56 - 63 knots
- 12 - Hurricane force >64 knots
http://en.wikipedia.org/wiki/Beaufort_scale
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