Tuule tugevus 0 - Calm

Mõju maa

Calm, smoke rises vertically

Mereoludest

Sea surface smooth and mirror-like

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

Tuule tugevus 1 - Light Air

Mõju maa

Smoke drift indicates wind direction, still wind vanes

Mereoludest

Scaly ripples, no foam crests

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

Tuule tugevus 2 - Light Breeze

Mõju maa

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

Mereoludest

Small wavelets, crests glassy, no breaking

Kiirus
  • 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

Tuule tugevus 3 - Gentle Breeze

Mõju maa

Leaves and small twigs constantly moving, light flags extended

Mereoludest

Large wavelets, crests begin to break, scattered whitecaps

Kiirus
  • 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

Tuule tugevus 4 - Moderate Breeze

Mõju maa

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

Mereoludest

Small waves. becoming longer, numerous whitecaps

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

Tuule tugevus 5 - Fresh Breeze

Mõju maa

Small trees in leaf begin to sway

Mereoludest

Moderate waves taking longer form, many whitecaps, some spray

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

Tuule tugevus 6 - Strong Breeze

Mõju maa

Larger tree branches moving, whistling in wires

Mereoludest

Larger waves , whitecaps common, more spray

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

Tuule tugevus 7 - Near Gale

Mõju maa

Whole trees moving, resistance felt walking against wind

Mereoludest

Sea heaps up, waves , white foam streaks off breakers

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

Tuule tugevus 8 - Gale

Mõju maa

Whole trees in motion, resistance felt walking against wind

Mereoludest

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

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

Tuule tugevus 9 - Strong Gale

Mõju maa

Slight structural damage occurs, slate blows off roofs

Mereoludest

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

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

Tuule tugevus 10 - Storm

Mõju maa

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

Mereoludest

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

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

Tuule tugevus 11 - Violent Storm

Mõju maa

Widespread devastation

Mereoludest

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

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

Tuule tugevus 12 - Hurricane

Mõju maa

Considerable destruction

Mereoludest

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

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