Category 2 Wind Speed

CATEGORY 25 TC25 Terrain with a few trees or isolated obstructions. Values are nominal design 3-second gust wind speeds in mph at 33ft above ground for.

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Farmland and cleared subdivisions with isolated trees and uncut grass.

Category 2 wind speed. Well-constructed frame homes could sustain major roof and siding damage. Shielding classifi cation is required because the wind speed at a structure is infl uenced by any upwind obstructions of similar size to. S is intædiate with with 10 Terrain Category 3 T heights 3 m to 10 of 10 or light n with a isolated This TC2 TC3 in.

TERRAIN CATEGORY 15 Open water surfaces subjected to shoaling waves at serviceability and ultimate wind speeds in all wind regions eg. 24 Regional wind speeds and direction multipliers 27 241 Regional wind speeds 27 242 Effect of recording instrument 28 243 Wind direction multipliers Md 28 244 Cyclone categories and importance levels 30 245 Wind speeds for other jurisdictions 31 25 Terrain categories and terrain-height multipliers 31 251 Terrain categories 32 2. Shaded Special Wind Region areas mountainous terrain gorges and ocean promontories should be examined for unusual wind conditions.

Foam blown in streaks across the sea. Umbrellas used with difficulty. Those buildings having been previously built will in many cases suffer moderate damage.

Extremely dangerous winds will cause extensive damage. 3 major 111-129 mph. Basic wind speed is a three-second gust speed at 10 m above the ground in Exposure C.

Where ASCE 7 or the International Building Code is used for the design of the building the wind speed map and exposure category requirements as specified in ASCE 7 and the International Building Code shall be used. Damage to some crops trees and caravans. Inconvenience felt when walking against the wind.

Large waves extensive foam crests. In the wind direction. The above map of Australia extracted from the Australian Standard Wind-regions-in-Australia-in-accordance-with-ASNZS-11702-2011- refers to the following regions with Terrain Category 2 and 10m reference height.

Category 2 hurricane. Speeds w m d eg. Whistling heard in telegraph wires.

Whole trees in motion. Wind Region B Ultimate Design Wind Speed 187kmh. Extremely dangerous winds will cause extensive damage.

Winds range between 96 and 110 mph during a Category 2 hurricane. CATEGORY 2 Open terrain including grassland with well scattered obstructions having heights typically from 15-5m. Terrain Category 3 20 metres for Category 25 15 metres for Category 2 or if the surface inclination is less than 1 in 10.

96-110 mph 83-95 kt 154-177 kmh. Wind Region A Ultimate Design Wind Speed 146kmh. This means that if a cooling tower is located on an administration building Risk Category II of a hospital but serves the surgery building Risk Category IV of the hospital the wind loads determined for the cooling tower would be based on the Risk Category IV wind.

Many shallowly rooted trees will be snapped or uprooted and block numerous roads. Near-total power loss is expected with outages that could last from several days to weeks. US Weather Bureau description.

Category Maximum Mean Wind kmh Typical Strongest Gust kmh Typical Effects. ASCE 716 Wind Provisions Webbased Wind Speed Tools Applied Technology Councils ATC WINDSPEED BY LOCATION web site is recognized as a permitted method to determine wind speed in a footnote on each wind speed map Locationspecific basic wind speeds shall be. Damage could include the following.

63 - 88 125. Category 2 wind speed map requires that buildings being built in this area be constructed to withstand wind speeds of ninety-six to one hundred ten miles per hour in three-second intervals. Five 70 ms 137 kn 157 mph 252 kmh Four 5870 ms 113136 kn 130156 mph 209251 kmh Three 5058 ms 96112 kn 111129 mph 178208 kmh Two 4349 ms 8395 kn.

Category Two Hurricane Sustained winds 96-110 mph 83-95 kt or 154-177 kmh Extremely dangerous winds will cause extensive damage There is a substantial risk of injury or death to people livestock and pets due to flying and. 14 rows Wind speed kmhr International description. Category 2 hurricanes have sustained wind speeds of 96 to 110 miles per hour.

Well-constructed frame homes could sustain major roof and siding damage. Enclosed bays less than 10km in the wind direction. Th closely m of at.

CATEGORY 2 TC2 Open terrain including grassland with well-scattered obstructions having heights generally from 15m to 5m with no more than two obstructions per hectare eg. Shallowly rooted trees could be snapped or uprooted and block numerous roads. Determine risk category of building or other structure see Table 15-1.

Craft may drag moorings. Significant damage to signs trees and caravans. Bays on 10 m the Terrain Category 2 with havin g m with Terrain Catego 2.

Large branches in motion. Near-shore water large unenclosed bays on seas and oceans lakes and enclosed bays extending greater than 10 km in the wind direction. CATEGORY 15 Open water surfaces for example coastal waters large open bays on seas and oceans lakes and enclosed bays extending greater than 10km in wind direction.

Flat v less 10 in wind Terrain Categmy 5 w ultimate wind m all wind eg. Sunrooms shall comply with AAMANPEANSA 2100. The local authority having jurisdiction should be consulted for adjusted values based on higher local wind speeds.

Category Wind speeds for 1-minute maximum sustained winds ms. Values interpolated to the nearest 1-mph in high wind areas. Determine the basic wind speed V for the applicable risk category see Figure 265-1A B or C United States.

Less than 10 km in the wind direction.

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