update #1 super typhoon usagi
DESCRIPTION
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. The death toll now stands at 475 and is expected to increase dramatically in the days to come. 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. Presentation courtesy of Dr Walter Hays, Global Alliance for Disaster ReductionTRANSCRIPT
USAGI: WIND AND WATER DAMAGE
SUPER TYPHOON USAGI Headed Towards The Philippines,
Taiwan, and ChinaSeptember 20, 2013
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
AUGUST 7, 2005
SUPER TYPHOON USAGI NEAR THE PHILIPPINES
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.
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
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.
ANTICIPATORY ACTIONS: TAIWAN
• In Taiwan, hundreds of people are being evacuated from flood-prone areas near cities and in remote mountainous regions
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).
BENEFIT/COST OF BECOMING TYPHOON DISASTER RESILIENTBENEFIT/COST OF BECOMING
TYPHOON DISASTER RESILIENT
PREPAREDNESS, PROTECTION, EARLY WARNING, EM. RESPONSE, AND RECOVERY
BUILDS RESILIENCE
1 < BENEFIT/COST < 1,000
PREPAREDNESS, PROTECTION, EARLY WARNING, EM. RESPONSE, AND RECOVERY
BUILDS RESILIENCE
1 < BENEFIT/COST < 1,000
Impacts in The PhilippinesSept. 20-21
AT LEAST 475 DEAD; MANY HOMELESS
USAGI: WIND AND WATER DAMAGE
USAGI: MUDSLIDES
USAGI: WIND DAMAGE
USAGI: WIND DAMAGE
USAGI: LAST MINUTE EVACUATIONS
USAGI: FLOODING
USAGI: A RESCUE