EM 1110-2-1100 (Part II)
(Change 1) 31 July 2003
Uf
Fastest mile wind speed [length/time]
Ug
Geostrophic wind speed (Equation II-2-10) [length/time]
Ugr
Gradient wind speed (Equations II-2-11 and II-2-18) [length/time]
UL
Wind speed over land [length/time]
Umax
Maximum velocity in the storm (Equation II-2-21) [length/time]
Ut
Wind speed of any duration [length/time]
UW
Wind speed over water [length/time]
Uz
Wind speed at height z above the surface (Equation II-2-3) [length/time]
u(
Wind friction velocity [length/time]
U(
Wind friction velocity [length/time]
WC
Wind speed accounting for effects of air-sea temperature difference [length/time]
WW
Wind speed over water without temperature effects [length/time]
X
Straight line distance over which the wind blows [length]
z0
Roughness height of the surface [length]
Meteorology and Wave Climate
II-2-71
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