Update No. 2. Continued heavy rainfall in the wake of Super-Typhoon Usagi in Taiwan, Philippines, Hong Kong and coastal China. Thousands being evacuated
3. The most powerful typhoon of the
2013 season approached the
northern Philippines and southern
Taiwan on Friday (Sept. 20) with
wind reaching 300 kph (184 mph)
and torrential rain
TSUNAMI ROUND
TABLE
6. POTENTIAL DISASTER
AGENTS OF USAGI
• Usagi has a diameter of 1,100 kilometers
(660 miles), with outer rain bands
extending across the main northern
Philippine island of Luzon and southern
Taiwan.
• Forecasters predict 24-hour rainfall
accumulation of 500 millimeters (nearly
20 inches) near its center.
7. WIND AND WATER PENETRATE
BUILDING ENVELOPE
SEVERE
WINDSTORMS
SEVERE
WINDSTORMS
UPLIFT OF ROOF SYSTEM
FLYING DEBRIS PENETRATES
WINDOWS
STORM SURGE AND HEAVY
PRECIPITATION
IRREGULARITIES IN
ELEVATION AND PLAN
POOR WORKMANSHIP
IGNORING NON-STRUCTURAL
ELEMENTS
CAUSES OF
RISK
CAUSES OF
RISK
CASE HISTORIESCASE HISTORIES
8. ANTICIPATORY ACTIONS: THE
PHILIPPINES
• In the Philippines, the Batanes Islands
are under the highest storm alert
• Government officials warned of flash
floods, landslides and storm surge in
15 northern provinces.
9. ANTICIPATORY ACTIONS: TAIWAN
• In Taiwan, hundreds of people are
being evacuated from flood-prone
areas near cities and in remote
mountainous regions
10. ANTICIPATORY ACTIONS: CHINA
• The Guangdong-Hong Kong coastline
of China is preparing for Usagi’s
arrival on Sunday as a weakened
storm with maximum sustained winds
of 158 kph (98 mp).
11. In Hong Kong, a city rarely hit by
typhoons, officials warned that the
storm posed a “severe threat,”
urging residents to be ready for
strong winds and possible flooding
12. The provinces of Guangdong,
Zhejiang and Fujian are expected
to be at high risk as Usagi gradually
moves northwestward.
13. BENEFIT/COST OF BECOMING
TYPHOON DISASTER RESILIENT
PREPAREDNESS,
PROTECTION, EARLY
WARNING, EM.
RESPONSE, AND
RECOVERY
BUILDS RESILIENCE
1 < BENEFIT/COST <
1,000
27. TAIWAN: STORM SURGE
• Adding to the concern for loss of
lives and property, a devastating
storm surge of 3 to 5 m (10 to 18
feet) occurred along the
southeastern coast simul-
taneously with heavy rain
29. USAGI: AS A RAINMAKER
• In Taiwan, the storm system dumped
more than 20 cm (8 inches) of rain
along the eastern and southern coasts
in a 13-hour period, causing officials
to warn that a total rainfall of 100 cm
(40) inches could happen before the
storm leaves the region on Sunday.
30. TAIWAN: POWER
OUTAGES
• More than 88,000 households
were without electricity as of 5
p.m. yesterday, state-run Taiwan
Power reported.
31. Impacts in China
(Usagi has weakened to the
equivalent of a CAT 2 hurricane)
Usagi will probably make landfall on
the central-eastern coast of China’s
Guangdong province sometime this
afternoon to tomorrow morning
32. USAGI: NOW THE EQUIVALET
OF A CAT 2 HURRICANE
Usagi will probably make landfall on
the central-eastern coast of China’s
Guangdong province sometime this
afternoon to tomorrow morning
34. CREDIT
• Visitors take pictures of increasing
waves under the influence of
Typhoon Usagi in Hangzhou,
Zhejiang province, September 22,
2013.
• Credit: Reuters/Chance Chan
35. EVACUATIONS AND
PRECAUTIONS
• More than 80,000 people were
moved to safer ground in Fujian
province,
• Authorities in Guangdong have
asked more than 44,000 fishing
boats to return to port.
36. HONG KONG: AIRLINE
TRAVEL DISRUPTED
• Eighty flights cancelled.
• Cathay Pacific Airways Ltd. (293),
Hong Kong’s largest airline, and its
unit Hong Kong Dragon Airlines
Ltd. stopped Hong Kong operations
through Sept. 23rd.