Wind Speed Damage Chart. Cars veer on road. The Wind Speed Damage Chart.
He reported that unanchored cottages and mobile homes slide off their foundations at 32 ms 72 mihr. Roofing shingles may become loose. Walking into the wind.
Read more about NSSLs research into damaging winds here.
Permissible wind speed Wind from the front Wind from the rear Wind from the side Boom With wind from the front the boom system is relieved of load. 15 rows Slight structural damage chimney pots and slates removed. Breaks twigs off trees. Most thunderstorm winds that cause damage at the ground are a result of outflow generated by a thunderstorm downdraft.