![]() More damage to most roofing surfaces, asphalt tiles that have curled up and/or fractured due to age may break away completely. Everywhere the edges of the wave crests are blown into froth. The sea is completely covered with long white patches of foam flying along the direction of the wind. Trees are broken off or uprooted, saplings bent and deformed, poorly attached asphalt shingles and shingles in poor condition peel off roofs.Įxceptionally high waves (small and medium-size ships might disappear behind the waves). The 'tumbling' of the sea becomes heavy and shock-like. On the whole the surface of the sea takes on a white appearance. The resulting foam, in great patches, is blown in dense white streaks along the direction of the wind. Very high waves with long over-hanging crests. Construction/temporary signs and barricades blow over. Larger branches break off trees, and some small trees blow over. Crests of waves begin to topple, tumble and roll over. Dense streaks of foam along the direction of the wind. The foam is blown in well-marked streaks along the direction of the wind. ![]() Moderately high waves of greater length edges of crests begin to break into spindrift. Swaying of skyscrapers may be felt, especially by people on upper floors. Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind. ![]() Large waves begin to form the white foam crests are more extensive everywhere. Chance of some spray.īranches of a moderate size move. Moderate waves, taking a more pronounced long form many white horses are formed. Small waves, becoming larger fairly frequent white horses.ĭust and loose paper raised. Leaves and smaller twigs in constant motion. Crests have a glassy appearance and do not break. Small wavelets, still short, but more pronounced. Ripples with the appearance of scales are formed, but without foam crests
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