#303 Postby stormkite » Sat Sep 21, 2013 11:41 pm
This tropical cyclone is expected to have a high humanitarian impact based on the storm strength and the affected population in the past and forecasted path.
Current storm status
This report is for advisory number 22 of tropical cyclone USAGI-13 issued at 9/22/2013 12:00:00 AM (GDACS Event ID 40084, Latest episode ID: 22).
Current impact estimate:
Population affected by Category 1 (120 km/h) wind speeds or higher is 0
Hurricane/Typhoon > 74 mph (maximum wind speed of 259 km/h)
Vulnerability of affected countries: Medium
Impact of Extreme Wind
Cloud map
Cloud map. The map shows the areas affected by tropical storm strength winds (green), 58mph winds (orange) and cyclone wind strengths (red). (Source: JRC)
Affected population
Up to no people people can be affected by wind speeds of cyclone strength or above. In addition, 3.6 million people people are living in coastal areas below 5m and can therefore be affected by storm surge.
Affected provinces
Country Region/Province Population
China Guangxi 46.8 million people
China Guangdong 69.6 million people
China Hong Kong 5.8 million people
China Macau 380000 people
Affected cities
(first 20 records)
Name Region/Province Country City class Population
Guangzhou Guangdong China Major city 4.1 million people
Macau Macau SAR Macau (China) Major city [unknown]
Shenzhen Guangdong China Major city 1 million people
Kowloon Hong Kong SAR Hong Kong (China) Major city 2 million people
Central Hong Kong SAR Hong Kong (China) Major city 6.1 million people
Sha Tin Hong Kong SAR Hong Kong (China) Major city [unknown]
Hekou Guangdong China City [unknown]
Shilong Guangdong China City 100000 people
Huangpu Guangdong China City 110000 people
Zhaoqing Guangdong China City 360000 people
Dongguan Guangdong China City 380000 people
Foshan Guangdong China City 620000 people
Shiqiao Guangdong China City 130000 people
Mingcheng Guangdong China City [unknown]
Daliang Guangdong China City 210000 people
Guizhou Guangdong China City [unknown]
Xinxing Guangdong China City [unknown]
Xiaolan Guangdong China City 180000 people
Sihe Guangdong China City [unknown]
Jiangmen Guangdong China City 530000 people
Critical infrastructure
Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.
Nearby and affected airports
Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Guangzhou East 50
Guangzhou / Shadi 30
Huiyang 18
Sek Kong 15 Priv. Paved No 4100
Basco BSO 56 Civ. Paved No 4100
Shenzhen SZX 4 Civ. Paved Yes 11100
Hong Kong International (Chep Lap Kok) HKG 9 Civ. Paved Yes 12400
Major ports
Name LOCODE Country
Chiwan CNCWN China
Guangzhou CNCAN China
Huangpu CNHUA China
Jiangmen CNJMN China
Shanwei CNSWE China
Yantian CNYTN China
Hong Kong HKHKG Hong Kong (China)
Huangpuxingang China
Basco Philippines
Lufeng Terminal China
Spec / lde 888 China
Huizhou China
Hydro-dams
Reservoir Dam Name River Year
Songmushan Trib. Dong Jiang -99
See complete report
Event time line
The storm evolution is shown in the table below. Alert levels and population estimates are related to the area from a point to the next.
Advisory Alert color Date (UTC) Category Wind speed Wind gusts Population affected
by cyclone winds (>120km/h) Location (lon, lat)
1 green 9/16/2013 6:00:00 PM Tropical depression 47 km/h (29 mph) 64 km/h (40 mph) no people 132.1, 17.6
2 green 9/17/2013 Tropical depression 56 km/h (35 mph) 74 km/h (46 mph) no people 131.7, 17.5
3 green 9/17/2013 6:00:00 AM Tropical storm 64 km/h (40 mph) 84 km/h (52 mph) no people 131.3, 17.6
4 green 9/17/2013 12:00:00 PM Tropical storm 74 km/h (46 mph) 93 km/h (58 mph) no people 130.8, 17.6
5 green 9/17/2013 6:00:00 PM Tropical storm 93 km/h (58 mph) 121 km/h (75 mph) no people 130.3, 17.6
6 green 9/18/2013 Tropical storm 93 km/h (58 mph) 121 km/h (75 mph) no people 130.3, 17.3
7 green 9/18/2013 6:00:00 AM Tropical storm 101 km/h (63 mph) 130 km/h (81 mph) no people 130, 17.3
8 green 9/18/2013 12:00:00 PM Category 1 121 km/h (75 mph) 148 km/h (92 mph) no people 129.7, 17.3
9 green Category 2 167 km/h (104 mph) 204 km/h (127 mph) no people 128.6, 17.2
10 green 9/19/2013 Category 2 167 km/h (104 mph) 204 km/h (127 mph) no people 128.1, 17
11 green 9/19/2013 6:00:00 AM Category 4 222 km/h (138 mph) 269 km/h (166 mph) no people 128, 17.6
12 green 9/19/2013 12:00:00 PM Category 5 259 km/h (161 mph) 315 km/h (195 mph) no people 127.3, 18.2
13 green 9/19/2013 6:00:00 PM Category 5 259 km/h (161 mph) 315 km/h (195 mph) no people 126.4, 18.7
15 green 9/20/2013 6:00:00 AM Category 4 249 km/h (155 mph) 306 km/h (189 mph) no people 124.5, 19.8
16 green 9/20/2013 12:00:00 PM Category 4 241 km/h (150 mph) 296 km/h (183 mph) no people 123.7, 20.1
17 green 9/20/2013 6:00:00 PM Category 4 241 km/h (150 mph) 296 km/h (183 mph) no people 122.8, 20.4
18 green 9/21/2013 Category 4 222 km/h (138 mph) 269 km/h (166 mph) no people 121.9, 20.6
19 green 9/21/2013 6:00:00 AM Category 4 222 km/h (138 mph) 269 km/h (166 mph) no people 120.8, 20.8
20 green 9/21/2013 12:00:00 PM Category 3 204 km/h (127 mph) 249 km/h (155 mph) no people 119.7, 21.1
21 green 9/21/2013 6:00:00 PM Category 3 185 km/h (115 mph) 232 km/h (144 mph) no people 118.9, 21.4
22 red 9/22/2013 Category 3 185 km/h (115 mph) 232 km/h (144 mph) 1.6 million people 117.9, 21.8
22 orange 9/22/2013 12:00:00 PM Category 2 167 km/h (104 mph) 204 km/h (127 mph) 17.6 million people 115.8, 22.3
22 orange 9/23/2013 Category 1 121 km/h (75 mph) 148 km/h (92 mph) 21.3 million people 113.5, 22.7
22 green 9/23/2013 12:00:00 PM Tropical storm 84 km/h (52 mph) 101 km/h (63 mph) no people 111.6, 22.9
22 orange 9/24/2013 Tropical storm 64 km/h (40 mph) 84 km/h (52 mph) no people 110, 22.9
22 green 9/25/2013 Tropical depression 37 km/h (23 mph) 56 km/h (35 mph) no people 107, 22.6
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