Fuerza del viento 0 - Calm

Impacto sobre la tierra

Calm, smoke rises vertically

Estado del mar

Sea surface smooth and mirror-like

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

Fuerza del viento 1 - Light Air

Impacto sobre la tierra

Smoke drift indicates wind direction, still wind vanes

Estado del mar

Scaly ripples, no foam crests

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

Fuerza del viento 2 - Light Breeze

Impacto sobre la tierra

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

Estado del mar

Small wavelets, crests glassy, no breaking

Velocidad
  • 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

Fuerza del viento 3 - Gentle Breeze

Impacto sobre la tierra

Leaves and small twigs constantly moving, light flags extended

Estado del mar

Large wavelets, crests begin to break, scattered whitecaps

Velocidad
  • 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

Fuerza del viento 4 - Moderate Breeze

Impacto sobre la tierra

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

Estado del mar

Small waves. becoming longer, numerous whitecaps

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

Fuerza del viento 5 - Fresh Breeze

Impacto sobre la tierra

Small trees in leaf begin to sway

Estado del mar

Moderate waves taking longer form, many whitecaps, some spray

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

Fuerza del viento 6 - Strong Breeze

Impacto sobre la tierra

Larger tree branches moving, whistling in wires

Estado del mar

Larger waves , whitecaps common, more spray

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

Fuerza del viento 7 - Near Gale

Impacto sobre la tierra

Whole trees moving, resistance felt walking against wind

Estado del mar

Sea heaps up, waves , white foam streaks off breakers

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

Fuerza del viento 8 - Gale

Impacto sobre la tierra

Whole trees in motion, resistance felt walking against wind

Estado del mar

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

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

Fuerza del viento 9 - Strong Gale

Impacto sobre la tierra

Slight structural damage occurs, slate blows off roofs

Estado del mar

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

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

Fuerza del viento 10 - Storm

Impacto sobre la tierra

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

Estado del mar

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

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

Fuerza del viento 11 - Violent Storm

Impacto sobre la tierra

Widespread devastation

Estado del mar

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

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

Fuerza del viento 12 - Hurricane

Impacto sobre la tierra

Considerable destruction

Estado del mar

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

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