five classification of tropical cyclones accroding to PAGASA
What are they and Meaning of them in short term
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five classification of tropical cyclones accroding to PAGASA
What are they and Meaning of them in short term
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CLASSIFICATION OF TROPICAL CYCLONES
Tropical cyclones derive their energy from the latent heat of condensation which made them exist only over the oceans and die out rapidly on land. One of its distinguishing features is its having a central sea-level pressure of 900 mb or lower and surface winds often exceeding 100 knots. They reach their greatest intensity while located over warm tropical waters and they begin to weaken as they move inland. The intensity of tropical cyclones vary, thus , we can classify them based upon their degree of intensity.
The classification of tropical cyclones according to the strength of the associated windsas adopted by PAGASA as of 01 May 2015 are as follows:
TROPICAL DEPRESSION (TD) - a tropical cyclone with maximum sustained winds of up to 61 kilometers per hour (kph) or less than 33 nautical miles per hour (knots) .
TROPICAL STORM (TS) - a tropical cyclone with maximum wind speed of 62 to 88 kph or 34 - 47 knots.
SEVERE TROPICAL STORM (STS) , a tropical cyclone with maximum wind speed of 89 to 117 kph or 48 - 63 knots.
TYPHOON (TY) - a tropical cyclone with maximum wind speed of 118 to 220 kph or 64 - 120 knots.
SUPER TYPHOON (STY) - a tropical cyclone with maximum wind speed exceeding 220 kph or more than 120 knots.