Solomon Islands – Heavy Rain Triggers Flash Floods in Honiara

Heavy rain between 28 February and 01 March triggered flash floods in Honiara, capital of the Solomon Islands, and surrounding areas.

Honiara recorded 171 mm of rain in 24 hours, most of it falling during the daytime on 01 March.

Solomon Islands Broadcasting Corporation (SIBC) said stormwater drains, creeks and roads to be flooded by water coming off high ground trying to find its way to the sea. Some main roads in Honiara were flooded by mid-morning 01 March.

SIBC said that roads were damaged and left strewn with flood debris.

According to New Zealand media, the National Disaster Management Office of the Solomon Islands said initial assessments in Honiara show the biggest impact has been on people living in squatter settlements.

The NDMO director Loti Yates said the torrential downpour, which continued for most of Thursday , will have negative impacts on water and sanitation, people’s food gardens and pose the risk of disease outbreaks.

Mr Yates said more detailed assessments are being carried out today to ensure affected communities get the support they need to recover.

Solomon Islands Meteorological Services has predicted above normal rainfall for many parts of Solomon Islands for the period from March to May 2018, including Henderson and Honiara in the central region, Lata and Kirakira in the eastern region and Taro in the western region.

Flood Summary

Last updated: March 5, 2018
Event
Solomon Islands, March 2018
Date
February 28 to March 2, 2018
Type
Flash flood
Cause
Long-term rainfall

Locations

Honiara

Magnitude

Rainfall level
171 mm in 24 hours
Honiara - February 28 to March 1, 2018

Damages

Roads damaged
10 roads
Honiara - March 1 to March 2, 2018
Affected
9,000
Honiara - March 1 to March 2, 2018
Buildings damaged
8 buildings
Honiara - March 1 to March 2, 2018
Evacuated
15 people
Honiara - March 1 to March 2, 2018