A weather satellite image obtained from the National Oceanic and Atmospheric Administration shows tropical cyclone Yasi passing the Solomon Islands while approaching the coast of Australia on February 1, 2011. |
Yasi, expected to hit small tourist cities such as Cairns and Townsville later on Wednesday, is a "category 5" cyclone, the highest rating possible and the first such tempest to hit cyclone-prone Queensland coast at this force since 1918.
Tropical Cyclone Category System
Category 1 - wind and gales of 90-125 kph, negligible house damage, some damage to trees and crops.
Category 2 - Destructive winds of 125-164 kph. Minor house damage, significant damage to trees, crops and caravans, risk of power failure.
Category 3 - Very destructive winds of 165-224 kph. Some roof and structural damage, some caravans destroyed, power failure likely.
Category 4 - Very destructive winds of 225-279 kph. Significant roofing loss and structural damage, caravans destroyed, blown away, widespread power failures.
Category 5 - Very destructive winds gusts of more than 280 kph. Extremely dangerous with widespread destruction.
p/s: Sending the massage of Malaysian sympatized to Australian.
No comments:
Post a Comment