Damrey Causes Little Impact to China While Saola Brings Damaging Rain and Wind to Taiwan

02-Aug-12

Damrey made landfall as a tropical storm near Lianyungang prefecture, China today (August 2, 2012). No significant damages are expected from this event. Tropical Storm Saola is heading towards eastern China to make its third landfall along Fujian and Zhejiang Province. Saola has made 2 landfalls in Taiwan, the first in Hualien County as a Category 2 typhoon, and later in Yilan County as a Category 1 before heading toward China. Significant wind and rainfall induced flooding damages were reported from Saola in Taiwan.

Damrey became the 10th tropical storm and 7th typhoon of the 2012 Pacific Typhoon Season. Damrey was a Category 1 typhoon when it made landfall (on August 1, 2012) over a sparsely populated region in Tanegashima, Ōsumi Archipelago, Japan. Later, Damrey moved over the eastern China sea, heading northwest toward mainland China as a Category 1 typhoon. On August 2, Damrey weakened from a Category 1 typhoon to a tropical storm just offshore of Jiangsu Province before making landfall near Lianyungang Prefecture as a tropical storm with wind speeds of about 60 knots.

At 2100 UTC, August 2, the storm was 325 nautical miles south-southeast of Beijing, China (35.3N 118.8E) and tracking west-northwest at 9 knots. Damrey was a compact storm and the rainfall from this event is expected to impact a relatively small region along the southern coastal areas of Shandong. Shanghai, one of the most populous metropolises of China, about 440 km southeast from Damrey, will not be impacted by this event.

Tropical Storm Damrey - August 2, 2012

Tropical Storm Damrey - August 2, 2012
Source: Joint Typhoon Warning Center (JTWC)

Saola became the 9th tropical storm and 6th typhoon of the 2012 Pacific Typhoon Season. Saola made 2 landfalls in Taiwan and is now heading toward eastern China, near Fujian and Zhejiang Province. At 1800 UTC, August 2, Saola was about 85 nautical miles northwest of Taipei (near 26.2N 120.6E) with maximum sustained wind speeds of 45 knots and moving northwest at 7 knots. Saola is expected to make landfall in China Thursday night or early Friday morning as a tropical storm. The potential damage impact from rainfall continues to be a major concern for China.

Tropical Storm Saola - August 2, 2012

Tropical Storm Saola - August 2, 2012
Source: Joint Typhoon Warning Center (JTWC)

Saola made its first landfall near Hualien County with maximum wind speeds of 85 knots (Category 2) and headed east, back into the water. Later, Saola looped and headed northwest to make its second landfall in Yilan County in northern Taiwan as a Category 1. Peak storm surge heights of 1.4 m-1.6 m were reported along the eastern coast of central and northern Taiwan.

Total rainfall exceeded 1000 mm in Taiwan while the rain rate at the time of landfall was 50-65 mm/hour in the northern parts of Hualien County. Saola moved slowly over northern Taiwan with a forward speed of 6-10 knots for several hours, exacerbating the flooding damages in central and northern Taiwan. Yilan and Miaoli counties recorded 1216 mm and 1024 mm of precipitation. The Central Weather Bureau in Taipei reported over 800 mm of rainfall in Nantou, Chiayi City, Yunlin, Taichung City, Hsinchu, and Taoyuan counties. Heavy rains are expected to continue up until tomorrow (Friday, August 3, 2012). The 24 hour accumulated rainfall for August 2, 00 am to August 3, 00 am local time is shown in the image below.

24 hour Rainfall Accumulation From Saola - August 2, 2012

24 hour Rainfall Accumulation From Saola - August 2, 2012
Source: Central Weather Bureau

Torrential rains, flooding, and high winds have caused significant damage within the impacted regions. Major disruptions to public transportation and dozens of flight cancellations have been reported. Schools and offices, including the financial markets, were closed due to this event. Low laying areas were flooded damaging homes, business, public property, and destroying crops in several acres of farm land. The event caused mud slides, deaths, and causalities in Tawain.

Users of EQECAT's Asia Typhoon Model are advised to use the following event IDs to ascertain the impacts on their portfolio from this event for Taiwan: 9899, 29320, 31676, 32683, 34702, 62886, 62947, 87906 and 103685.

EQECAT will continue to monitor this event and provide updates when more information becomes available.

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