Tropical Cyclone

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A storm system characterised by a large low-pressure centre and thunderstorms that produce strong winds and heavy rain. More technically, it is a non-frontal synoptic scale cyclone originating over tropical or sub-tropical waters with organised convection and definite cyclonic surface wind circulation
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Philippine Atmospheric Geophysical and Astronomical Services Administration (Pagasa) weather specialist Joseph Basconcillo said two to four tropical cyclones are expected to enter or develop this month, as well as next month, and following historical data, may likely take tracks affecting or crossing northern Luzon.
The World Banks Board of Executive Directors today approved US$50 million to fund further reconstruction and improvements to Vanuatus roads, schools and public buildings damaged by Tropical Cyclone Pam.
He added that the strong El Nino caused a delay in the country's onset of rainy season, weak monsoon activity, fewer tropical cyclones, above normal air temperature last year.
At 119 km/h, it is already considered as cyclone, tropical cyclone, typhoon or hurricane.
Using the TMPA data, Hal Pierce of the TRMM team at NASA Goddard created an animation that shows the estimated amount of rain contributed by named tropical cyclones over the western Atlantic in 2012.
The researchers now plan to analyse patterns in other seismically active mountainous regions, such as the Philippines and Japan, that are regularly visited by tropical cyclones.
The team used both cyclone and climate models to study the frequency and distribution of tropical cyclones during the Pliocene epoch, a period three to five million years ago when temperatures were up to four degrees Celsius warmer than today.
The Asia-Pacific region is an extremely active part of the world in terms of both seismic and tropical cyclone activity," said Neil Wiseman, managing director of AIR Ltd.
The results indicate 72 tropical cyclones crossed Alabama's borders during the period 1886-1999.
Predictive models including a) a regression model and b) HurricanePredictive Index (HPI) have been developed for predicting the origin and evolution of tropical cyclones and hurricanes over the Gulf of Mexico.
Emanuel may have an important clue of his own: tropical cyclones.
While tropical cyclone wind is a well recognized source of damage, tropical cyclones in this region--even those with relatively low wind speeds--can also be accompanied by significant flooding, which is typically covered under both residential and commercial insurance policies.

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