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UNDERSTANDING
TYPHOONS
2ND QUARTER-TOPIC 2
Who could forget the terrible flood
brought by Tropical Storm Ondoy in
2009?
Or the people swept out to sea during
Tropical Storm Sendong in 2011?
Or the poor community of New Bataan
buried in mud spawned by Typhoon
Pablo in 2012?
 Philippine Atmospheric, Geophysical, and
Astronomical Services Administration
(PAGASA),a Philippine national institution
dedicated to provide flood and typhoon
warnings, public weather forecasts and
advisories, meteorological, astronomical,
climatological, and other for the protection
of life and property
 20 tropical cyclones enter the Philippine
Area of Responsibility each year.
If the wind speed is less, from 119 to
200 kph, then it is called a typhoon.
If the wind speed is between 65 and
118 kph, it is called a tropical
storm. And when the wind speed is
between 35 to 64 kph, it is a tropical
depression.
TROPICAL CYCLONE CATEGORIES
CATEGORIES MAXIMUM WIND SPEED IN
KILOMETER PER HOPUR
(Km/Hr) KPH
TROPICAL DEPRESSION 64
TROPICAL STORM 118
TYPHOON 200
SUPERTYPHOON GREATER THAN 2000
The term typhoon is used only in the
northwestern part of the Pacific Ocean. In
the northeastern part of the Pacific Ocean
and in the northern part of the Atlantic
Ocean, the equivalent term is hurricane.
same word for all categories of tropical
cyclones. We call it bagyo whether it is a
tropical depression, a tropical storm or a
typhoon.
Philippine Area of Responsibility (PAR) PEEZ –
Philippines Exclusive Economic Zone
An area in the Northwestern
Pacific where PAGASA, the Philippines' national
meteorological agency, monitors weather
occurrences. Significant weather disturbances,
specifically tropical cyclones that enter or
develop in the PAR, are given Philippine-specific
names.
PHILIPPINE AREA OF RESPONSIBILITY
QUARTER 2 - SCIENCE 8_LESSON 2: UNDERSTANDING TYPHOON
QUARTER 2 - SCIENCE 8_LESSON 2: UNDERSTANDING TYPHOON
QUARTER 2 - SCIENCE 8_LESSON 2: UNDERSTANDING TYPHOON
QUARTER 2 - SCIENCE 8_LESSON 2: UNDERSTANDING TYPHOON