Saffir-Simpson scale conversion of 1-minute speeds at 10 metres over Category 4 storm with peak wind gusts at 10 metres over open terrain. According to Table safir- simpson scale and corresponding wind speed, the weakest and strongest Category 4 storms had 1-minute speeds at 10 m above open ocean of 130 and 156 mph, respectively. The conversion is based on the surface roughness lengths' anticipated values, which are z_0 for open water and z_0 for open land. In contrast to wind flow over open water, wind flow over shallow water near shorelines is appropriate for relatively large values of z_0. Assuming that Eq. (2.54a,b) produces hurricane winds over open ocean with z_0 = 0.003m and beta(z_0) = 6.5 and c(60s) = 1.29
Saffir-Simpson scale conversion of 1-minute speeds at 10 metres over Category 4 storm with peak wind gusts at 10 metres over open terrain. According to Table safir- simpson scale and corresponding wind speed, the weakest and strongest Category 4 storms had 1-minute speeds at 10 m above open ocean of 130 and 156 mph, respectively. The conversion is based on the surface roughness lengths' anticipated values, which are z_0 for open water and z_0 for open land. In contrast to wind flow over open water, wind flow over shallow water near shorelines is appropriate for relatively large values of z_0. Assuming that Eq. (2.54a,b) produces hurricane winds over open ocean with z_0 = 0.003m and beta(z_0) = 6.5 and c(60s) = 1.29
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