Vietnam and Cambodia – Tropical Storm Damrey to Bring Extreme Rainfall

The ASEAN Coordinating Centre for Humanitarian Assistance on disaster management (AHA Centre) has warned that Tropical Storm Damrey will threaten millions of people in Vietnam and Cambodia with extreme rainfall, strong winds and storm surge later this week.

Landfall in Vietnam is expected around 04 November, with the storm reaching Cambodia a day later. Flooding and mudslides in both countries are likely.

AHA says that over 5 million people are at risk in Vietnam, where Damrey is expected to affect the provinces of Khanh Hoa, Ninh Thuan, Dac Lac and Lam Dong.

Philippines

Storm Damrey passed over parts of the Philippines as a tropical depression from 31 October to 02 November, 2017, bringing with it heavy rainfall. In the Philippines the storm is known as Ramil.

Some areas recorded over 170 mm of rain in parts of northern Visayas and southern Luzon, causing flooding and landslides. According to local media, at least 2 people died in a landslide in San Juan, Batangas on Wednesday 01 November, 2017.

“Ramil” was expected to exit the Philippine Area of Responsibility late on Thursday 02 November or early Friday 03 November.

On Nov 3, 2017 at 1:06 a.m. EDT (0506 UTC) the VIIRS instrument aboard NASA-NOAA’s Suomi NPP satellite captured this visible image of Typhoon Damrey over Vietnam.
Credits: NOAA/NASA Rapid Response Team

Rainfall

Philippines

31 October to 01 November

  • Daet – 171.3 mm
  • Infanta – 96 mm
  • Tayabas – 61 mm
  • Romblon – 70.6 mm

01 to 02 November

  • Casiguran – 82.7 mm
  • Baler Radar -166 mm
  • Cabanatuan- 103.0 mm
  • Tanay – 98.0 mm
  • Calapan – 183.6 mm
  • Virac – 72.2 mm

Vietnam

01 to 02 November

  • Con Son – 147 mm
  • Nha Trang – 61 mm

Flood Summary

Last updated: November 9, 2017
Event
Typhoon Damrey, Philippines and Vietnam, November 2017
Date
November 2, 2017
Type
River flood
Cause
Extreme rainfall
Typhoon Damrey began as a tropical depression that swept across the Philippines from 31 October to 02 November, 2017, causing some flooding and landslides. Later the storm developed into a typhoon and made landfall in Vietnam on 04 November.

Locations

A - San Juan, Batangas (Philippines)
B - Khanh Hoa (Vietnam)
C - Quang Ngai (Vietnam)
D - Binh Dinh (Vietnam)
E - Lam Dong (Vietnam)

Magnitude

Rainfall level
171.3 mm in 24 hours
Daet, Philippines - October 31 to November 1, 2017
Rainfall level
183.6 mm in 24 hours
Calapan - November 1 to November 2, 2017
Rainfall level
751 mm in 24 hours
A Luoi, Thua Thien Hue, Vietnam - November 4 to November 5, 2017
Nam Dong (Thua Thien Hue) - 535 mm Kham Duc (Quang Nam) - 500 mm Ta Luong (Thua Thien Hue) - 630 mm Tra Bong (Quang Ngai) - 641 mm Thuong Nhat (Thais) - 552 mm Tay Tra (Quang Ngai) - 553 mm Nam Dong (Thua Thien Hue) - 540 mm
Rainfall level
783 mm in 24 hours
Tra My, Quang Nam - November 4 to November 5, 2017
Rainfall level
535 mm in 24 hours
Nam Dong, Thua Thien Hue, Vietnam - November 4 to November 5, 2017
Rainfall level
641 mm in 24 hours
Tra Bong, Quang Ngai, Vietnam - November 4 to November 5, 2017
River level
Overflowing
Thu Bon river in Quang Nam, Vietnam - November 4 to November 6, 2017
River level
Overflowing
Con river in Binh Dinh province, Vietnam - November 4 to November 6, 2017

Damages

Fatalities
2 people
Philippines - November 1 to November 2, 2017
Fatalities
91 people
Vietnam - November 4 to November 9, 2017
Evacuated
30,000
Vietnam - November 4 to November 6, 2017
Buildings destroyed
1,501
Vietnam - November 1 to November 9, 2017
Quang Nam 10; Quang Ngai 30; Binh Dinh 151; Phu Yen 177; Khanh Hoa 993; Gia Lai 16; Dak Nong 02; Lam Dong 03. Also 119,419 houses damaged

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