Сила ветра 0 - Calm

Влияние на землю

Calm, smoke rises vertically

Состояние моря

Sea surface smooth and mirror-like

Скорость
  • 0-1 km/h
  • 0-0,54 noeuds (knot)
  • 0 - 0,621 mph
hauteur
  • 0 m
  • 0 ft
 Signe

Сила ветра 1 - Light Air

Влияние на землю

Smoke drift indicates wind direction, still wind vanes

Состояние моря

Scaly ripples, no foam crests

Скорость
  • 1-5 km/h
  • 0,54-2,7 noeuds (knot)
  • 0,621 - 3,11 mph
hauteur
  • 0 - 0,1 m
  • 0-1 ft
 Signe

Сила ветра 2 - Light Breeze

Влияние на землю

Wind felt on face, leaves rustle, vanes begin to move

Состояние моря

Small wavelets, crests glassy, no breaking

Скорость
  • 5-11 km/h
  • 2,7-5,9 noeuds (knot)
  • 3,11-6,84 mph
hauteur
  • 0,1 - 0,5 m
  • 1-2 ft
 Signe

Сила ветра 3 - Gentle Breeze

Влияние на землю

Leaves and small twigs constantly moving, light flags extended

Состояние моря

Large wavelets, crests begin to break, scattered whitecaps

Скорость
  • 11-19 km/h
  • 5.9-10,2 noeuds (knot)
  • 6,84-11,81 mph
hauteur
  • 0,5 - 1,25 m
  • 2-3,5 ft
 Signe

Сила ветра 4 - Moderate Breeze

Влияние на землю

Dust, leaves, and loose paper lifted, small tree branches move

Состояние моря

Small waves. becoming longer, numerous whitecaps

Скорость
  • 19-28 km/h
  • 10,2-15 noeuds (knot)
  • 11,81-17,4 mph
hauteur
  • 1-2 m
  • 3,5-6 ft
 Signe

Сила ветра 5 - Fresh Breeze

Влияние на землю

Small trees in leaf begin to sway

Состояние моря

Moderate waves taking longer form, many whitecaps, some spray

Скорость
  • 28-38 km/h
  • 15-20,5 noeuds (knot)
  • 17,4-23,61 mph
hauteur
  • 2-3 m
  • 6-9 ft
 Signe

Сила ветра 6 - Strong Breeze

Влияние на землю

Larger tree branches moving, whistling in wires

Состояние моря

Larger waves , whitecaps common, more spray

Скорость
  • 38-50 km/h
  • 20,5-27 noeuds (knot)
  • 23,61-31,07 mph
hauteur
  • 3-4 m
  • 9-13 ft
 Signe

Сила ветра 7 - Near Gale

Влияние на землю

Whole trees moving, resistance felt walking against wind

Состояние моря

Sea heaps up, waves , white foam streaks off breakers

Скорость
  • 50-61 km/h
  • 27-33 noeuds (knot)
  • 31,07-37,9 mph
hauteur
  • 4-5,5 m
  • 13-19 ft
 Signe

Сила ветра 8 - Gale

Влияние на землю

Whole trees in motion, resistance felt walking against wind

Состояние моря

Moderately high waves of greater length, edges of crests begin to break into spindrift, foam blown in streaks

Скорость
  • 62-74 km/h
  • 33-40 noeuds (knot)
  • 37,9-45,98 mph
hauteur
  • 5,5-7,5 m
  • 18-25 ft
 Signe

Сила ветра 9 - Strong Gale

Влияние на землю

Slight structural damage occurs, slate blows off roofs

Состояние моря

High waves, sea begins to roll, dense streaks of foam, spray may reduce visibility

Скорость
  • 75-88 km/h
  • 40-47,5 noeuds (knot)
  • 45,98-54,68 mph
hauteur
  • 7-10 m
  • 23-32 ft
 Signe

Сила ветра 10 - Storm

Влияние на землю

Seldom experienced on land, trees broken or uprooted,considerable structural damage

Состояние моря

Very high waves with overhanging crests, sea white with densely blown foam, heavy rolling, lowered visibility

Скорость
  • 89-102 km/h
  • 47,5-55 noeuds (knot)
  • 54,68-63,38 mph
hauteur
  • 9-12,5 m
  • 29-41 ft
 Signe

Сила ветра 11 - Violent Storm

Влияние на землю

Widespread devastation

Состояние моря

Exceptionally high waves, foam patches cover sea, visibility more reduced

Скорость
  • 103-117 km/h
  • 55-63 noeuds (knot)
  • 63,38-72,2 mph
hauteur
  • 11,5-16 m
  • 37-52 ft
 Signe

Сила ветра 12 - Hurricane

Влияние на землю

Considerable destruction

Состояние моря

Air filled with foam, sea completely white with driving spray, visibility greatly reduced

Скорость
  • >118 km/h
  • >63 noeuds (knot)
  • >72,2 mph
hauteur
  • >14 m
  • >46 ft
 Signe