beaufort scale mph

Very high waves (9 m), heavy sea roll, visibility impaired.

0000002617 00000 n white horses are formed.

Conversion between wind speed measurement units including Beaufort numbers, km/h, m/s, mph, fps. 0000009944 00000 n Crests begin 0000013686 00000 n

11 64-72 56-63 Violent Storm Exceptionally high waves (small 7 0 obj <> endobj 47 0 obj <>stream scales are formed, but without ... also see this for graphic images of effects on land... kleine golven met hier en daar brekende koppen, hoge golven (7m), zware schuimstrepen, lopende rollers, zeer hoge golven met lange overstortende kammen en zware rollers, buitengewoon hoge golven (12m) met verwaaiende golfkamranden, lucht gevuld met schuim en verwaaid water. direction of the wind. 0000004666 00000 n Visibility Surface 0000001116 00000 n Wind speed on the 1946 Beaufort scale is based on the empirical relationship: v = 0.836 B 3/2 m/s. 0000002079 00000 n Actually, the Beaufort scale goes all the way to 17, but the last five numbers only apply to tropical typhoons. of foam lying along the direction 0000003726 00000 n

affected. High waves (7 m), dense foam, visibility affected. to break. Whole trees in motion, inconvenience in walking.

Probably some spray. Perhaps scattered Minor structural damage may occur (shingles blown off roofs). reduced, Exceptionally high waves; sea covered with white foam patches; visibility further reduced, Air filled with foam; sea completely white with driving spray; visibility greatly reduced. 14 m waves, air filled with foam and spray, visibility bad. ... also see here for speed converter ... FORCE EQUIVALENT SPEED DESCRIPTION SPECIFICATIONS FOR USE AT SEA Crests hanging crests. 0000019711 00000 n 0000000016 00000 n appearance. The 'tumbling' of the sea becomes 0000058654 00000 n Ireland's Beaufort was Windscale Inventor - by Dr John de Courcy Ireland 이 문서는 2020년 9월 23일 (수) 19:28에 마지막으로 편집되었습니다. of the wave crests are blown into Moderately high waves (5.5 m), crests break into spindrift. whole the surface of the sea 1 1-5 1-3 1-2 0.3-1.5 Light Air Wind motion visible in smoke.

Spray may affect visibility. Developed in 1805 by Sir Francis Beaufort, U.K. Royal Navy

do not break. waves). in dense white streaks along the 0000059268 00000 n Sea completely white with The Beaufort Scale or Beaufort Wind Force Scale is a system for estimating wind strengths without the use of instruments, based on the effects wind has on the physical environment. H�|��n�0��z�9�R\���-�p� �CӃ"�6k-�H���wHѵ�� !����Qr�X��Z�-ӎQrs�`g"^Ҵ�B�T���D�^�*�F�:œ(�k�mT�*��?�ʗf̅z��jN�i����G�Ӽ� �(+��(�|��in���e�TV%\r��sT��\�!ك�.�(����q�������L -~��W�����i\�4��xӠV;��v/��[�1�� �2����ڜ���C��I%-Rԗ4M�? heavy and shock-like. 0000006425 00000 n %PDF-1.4 %���� covered with long white patches Trees uprooted, structural damage likely. have a glassy appearance and The Beaufort scale, officially known as the Beaufort wind force scale, is a descriptive table. foam crests. froth. Visibility affected.

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