Riħ seħħ 0 - Calm

Impatt fuq l-earth

Calm, smoke rises vertically

Baħar l-istat

Sea surface smooth and mirror-like

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

Riħ seħħ 1 - Light Air

Impatt fuq l-earth

Smoke drift indicates wind direction, still wind vanes

Baħar l-istat

Scaly ripples, no foam crests

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

Riħ seħħ 2 - Light Breeze

Impatt fuq l-earth

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

Baħar l-istat

Small wavelets, crests glassy, no breaking

Veloċità
  • 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

Riħ seħħ 3 - Gentle Breeze

Impatt fuq l-earth

Leaves and small twigs constantly moving, light flags extended

Baħar l-istat

Large wavelets, crests begin to break, scattered whitecaps

Veloċità
  • 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

Riħ seħħ 4 - Moderate Breeze

Impatt fuq l-earth

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

Baħar l-istat

Small waves. becoming longer, numerous whitecaps

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

Riħ seħħ 5 - Fresh Breeze

Impatt fuq l-earth

Small trees in leaf begin to sway

Baħar l-istat

Moderate waves taking longer form, many whitecaps, some spray

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

Riħ seħħ 6 - Strong Breeze

Impatt fuq l-earth

Larger tree branches moving, whistling in wires

Baħar l-istat

Larger waves , whitecaps common, more spray

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

Riħ seħħ 7 - Near Gale

Impatt fuq l-earth

Whole trees moving, resistance felt walking against wind

Baħar l-istat

Sea heaps up, waves , white foam streaks off breakers

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

Riħ seħħ 8 - Gale

Impatt fuq l-earth

Whole trees in motion, resistance felt walking against wind

Baħar l-istat

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

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

Riħ seħħ 9 - Strong Gale

Impatt fuq l-earth

Slight structural damage occurs, slate blows off roofs

Baħar l-istat

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

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

Riħ seħħ 10 - Storm

Impatt fuq l-earth

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

Baħar l-istat

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

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

Riħ seħħ 11 - Violent Storm

Impatt fuq l-earth

Widespread devastation

Baħar l-istat

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

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

Riħ seħħ 12 - Hurricane

Impatt fuq l-earth

Considerable destruction

Baħar l-istat

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

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