User's Guide

Table Of Contents
4 Planning Considerations
39
4.7.3 Wind Speed Statistics
Installers are recommended to contact the national meteorological office for the country
concerned to identify the likely wind speeds prevalent at the proposed location. This will
enable the installer to estimate the total wind loading on the support structures.
Examples of the sort of statistics that are available are:
USA - Reported Fastest Single Wind Velocities for Selected U.S. Cities
(Source: National Weather Service).
City, State Wind Velocity
(mph)
Bismarck, North Dakota 72
Buffalo, New York 91
Chicago, Illinois 87
Hatteras, North Carolina 110
Miami, Florida 132
New York, New York 99
Pensacola, Florida 114
UK Meteorological Office, www.meto.gov.uk
Peak wind speed contour maps can be found as Fig 3a/3b at:
http://www.meto.gov.uk/educatio
n/historic/1987.html