Grade 8 Science report By : Shania S. Cotiangco Grade VIII Newton

1. UNDERSTANDING
TYPHOONS
SSttuuddyyiinngg ttyypphhoooonnss
aanndd tthhee tthhiinnggss rreellaatteedd
ttoo iitt..

2. What is a typhoon?
Typhoon A typhoon or tropical cyclones
also known as “Bagyo” in the
Philippines is the global generic
term for an intense circulating
weather system over tropical seas
and oceans. It is accompanied by
very strong winds, heavy rains
and large ocean waves.

3. PICTURES OF A
TYPHOON

4. CYCLONE
An area of low
atmospheric
pressure
surrounded by a
wind system
blowing, in the
northern
hemisphere, in a
counter clockwise
direction.

5. PAGASA Philippine Atmospheric, Geophysical and
Astronomical Services Administration. - it is a
national institution tasked by the government to
monitor and provide typhoon warnings, public
weather forecast and advisories, meteorological,
astronomical and climatological.

6. TYPHOONS ARE
CATEGORIZED INTO FIVE:
vCategory 1 - Tropical Depression
-sustains winds between 119 and 153 km/hour (km/h). It is
the first notable stage in the formation of a hurricane.
vCategory 2 - Tropical Storm (TS)
- has winds between 154 and 177 km/h.
-a tropical storm is a system of intense thunderstorms that
progressively intensifies.

7. vv
Category 3 - Strong Typhoon
-A strong typhoon is a system of low pressure
and intense winds (between 178 and 209 km/h).
vCategory 4 - Intense Typhoon (or Hurricane)
-An intense typhoon sustains high winds of
210 to 249 km/h and is classified as a category-5
storm, which carries the highest element of risk.
vCategory 5 - Violent Typhoon
-A violent typhoon is characterized by winds
exceeding 249 km/h.

8. PICTURES DURING A
TYPHOON

9. 1. What people should do during a typhoon?
Lock the windows

10. 2. What people should do during a typhoon?
Clear the drains

11. 3. What people should do during a typhoon?
Listen to the weather forecast

12. 4. What people should do during a
typhoon?
Put the tapes across the window

13. 5. What people should do during a typhoon?
Put the flower pots indoor