पवन बल 0 - Calm

पृथ्वी पर प्रभाव

Calm, smoke rises vertically

सागर राज्य

Sea surface smooth and mirror-like

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

पवन बल 1 - Light Air

पृथ्वी पर प्रभाव

Smoke drift indicates wind direction, still wind vanes

सागर राज्य

Scaly ripples, no foam crests

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

पवन बल 2 - Light Breeze

पृथ्वी पर प्रभाव

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

सागर राज्य

Small wavelets, crests glassy, no breaking

गति
  • 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

पवन बल 3 - Gentle Breeze

पृथ्वी पर प्रभाव

Leaves and small twigs constantly moving, light flags extended

सागर राज्य

Large wavelets, crests begin to break, scattered whitecaps

गति
  • 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

पवन बल 4 - Moderate Breeze

पृथ्वी पर प्रभाव

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

सागर राज्य

Small waves. becoming longer, numerous whitecaps

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

पवन बल 5 - Fresh Breeze

पृथ्वी पर प्रभाव

Small trees in leaf begin to sway

सागर राज्य

Moderate waves taking longer form, many whitecaps, some spray

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

पवन बल 6 - Strong Breeze

पृथ्वी पर प्रभाव

Larger tree branches moving, whistling in wires

सागर राज्य

Larger waves , whitecaps common, more spray

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

पवन बल 7 - Near Gale

पृथ्वी पर प्रभाव

Whole trees moving, resistance felt walking against wind

सागर राज्य

Sea heaps up, waves , white foam streaks off breakers

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

पवन बल 8 - Gale

पृथ्वी पर प्रभाव

Whole trees in motion, resistance felt walking against wind

सागर राज्य

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

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

पवन बल 9 - Strong Gale

पृथ्वी पर प्रभाव

Slight structural damage occurs, slate blows off roofs

सागर राज्य

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

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

पवन बल 10 - Storm

पृथ्वी पर प्रभाव

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

सागर राज्य

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

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

पवन बल 11 - Violent Storm

पृथ्वी पर प्रभाव

Widespread devastation

सागर राज्य

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

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

पवन बल 12 - Hurricane

पृथ्वी पर प्रभाव

Considerable destruction

सागर राज्य

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

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