Nepal – Dozens Dead After Torrential Rain Triggers Floods and Landslides

Torrential rain from 10 August, 2017, has caused widespread flooding and landslides in Nepal.

Figures from Nepal’s Ministry of Home Affairs (MoHA) say more than 30 districts of the country have suffered damages as a result of heavy rain, flooding or landslides. Over 13,000 families have been affected, with around 1,500 families displaced.

As of 14 August, 62 fatalities had been reported, with a further 36 people injured and 27 missing.

Some of the deadliest floods were in Rajpur, Rautahat, where 6 died on 13 August and Itahari, Sunsari, where 7 died in flood waters on 12 August.

Four people died in a landslide on 12 August in Kamalamai, Sindhuli district and a further three fatalities occurred after a landslide in Gurwakot, Surkhet on 13 August.

According to UN figures, 305 homes have been destroyed. A school in Dang district has also collapsed. MoHA report that 13,018 houses have been severely damaged.

Flooding in Bhajani, Kailali district on 13 August damaged 2,500 homes. A further 1,200 were damage by flooding in Jhapa, Jhapa district and 1,150 in Bode Barsain, Saptari district, the previous day.

Transportation has also been badly affected, with dozens of roads blocked. Biratnagar Airport was closed after the runway was submerged under flood water.

Military and police have been deployed to carry out rescues and evacuations.

According to UN figures, the worst hit districts (most families affected) include Bardiya, Banke, Dang, Chitawan, Lalitpur, Makawanpur, Bara, Sarlahi, Mahottari, Sindhuli, Dhanusha, Siraha, Saptari and Panchthar.

Nepal monsoon floods, and landslides, August 2017. Image: UN

Rivers

According to figures from Department of Hydrology and Meteorology, Government of Nepal, the Kankai river at Mainachuli reached 5.74 metres on 11 August, surpassing the danger level of 4.20 metres.

On 13 August, the Babai river at Chepang reached 8.54 metres, where danger level is 6.10 metres. On the same day the Babai river at Bhada bridge reached 9.30 metres where the danger mark is 8 metres.

Rainfall

Nepal’s Meteorological Forecasting Division report that 222 mm of rain was recorded in 24 hours, 13 to 14 August in Bhairahawa.

Below are figures from Ogimet for a 24 hour period:

12 to 13 August

  • Dang 167.4 mm
  • Simra Airport 173.2 mm

10 to 11 August

  • Pokhara Airport – 85.6 mm
  • Bhairahawa Airport – 76.1 mm
  • Simra Airport – 126.0 mm

Flood Summary

Last updated: August 15, 2017
Event
Nepal, August 2017
Date
August 10, 2017
Type
Flash flood, Landslide, River flood
Cause
Extreme rainfall, Long-term rainfall

Locations

A - Rautahat
B - Sunsari
C - Sindhuli
D - Surkhet
E - Bardiya
F - Banke
G - Dang
H - Chitawan
I - Lalitpur
J - Makawanpur
K - Bara
L - Sarlahi
M - Mahottari
N - Sindhuli
O - Dhanusha
P - Siraha
Q - Saptari
R - Panchthar

Magnitude

Rainfall level
222 mm in 24 hours
Bhairahawa - August 13 to August 14, 2017
Rainfall level
167.4 mm in 24 hours
Dang - August 12 to August 13, 2017
Rainfall level
173.2 mm in 24 hours
Simra Airport - August 12 to August 13, 2017
Rainfall level
85.6 mm in 24 hours
Pokhara Airport - August 10 to August 11, 2017
Rainfall level
76.1 mm in 24 hours
Bhairahawa Airport - August 10 to August 11, 2017
Rainfall level
126 mm in 24 hours
Simra Airport - August 10 to August 11, 2017
River level
5.74 metres
Kankai river at Mainachuli - August 11 to August 11, 2017
danger level is 4.20 metres
River level
8.54 metres
Babai river at Chepang - August 13 to August 13, 2017
danger level is 6.10 metres
River level
9.3 metres
Babai river at Bhada bridge - August 13 to August 13, 2017
danger level is 8 metres

Damages

Fatalities
62 people
August 10 to August 14, 2017
Missing people
27 people
August 10 to August 14, 2017
Injured
36 people
August 10 to August 14, 2017
Buildings destroyed
305 buildings
August 10 to August 14, 2017