Flood Situation Report

Colombo |

Flood Situation Update No.2 – Sri Lanka 18 May 2010 at 1830 hrs GLIDE: FL-2010-000092-LKA

Situation Since Friday, 14 May 2010, heavy monsoon rains have resulted in flash floods, high-winds, landslides, lightning and thunder storms in 11 districts in Sri Lanka. Nine of the districts are in the southeast and include: , Gampaha, , , Kegalle, Matara, Kegalle, Puttalam and Galle. Two of the affected districts are in the northeast: Trincomalee and . See attached table breakdown and map.

As of Tuesday, 18 May 2010, over 298,543 persons (62,261 families) have been affected by the heavy rains. This includes minor displacement of 7,477 people and 8 deaths. The Government of Sri Lanka is responding to the crisis through local and central levels and the Navy has been deployed with their boat teams to assist with evacuations.

The Department of Irrigation has indicated that rising water levels exist for the following areas (see details in Annex 1): • Kelani River, Hanwella DS Division, Colombo District • Kalu Ganga (river), Palindanuwara DS Division, • Gin Ganga (river)

The National Building Research Organisation has issued a Landslide warning (level 2 – be ready for evacuation) to the following districts and AGA Divisions under threat: • – Palmadulla, Kuruvita, Eheliyagoda, Kalawana, Kolonna, Elapatha Divisions • Kalutara District – Kalutara, Bulathsinhala, , Palinda Nuwara, , Walallawita, Bandaragama, Mathugama, Ingiriya, Panadura Divisions • Galle District – Neluwa, Hiniduma, Thawalama, Baddegama, Elpitiya, Bope Poddala, Nagoda, Karandeniya, Weliwitiya Divithura Divisions • Kegalle District – Deraniyagala, Yatiyantota, Dehiowita Divisions

Warning of cut slope failures possible in Colombo and Gampaha Districts.

The Sri Lanka Navy has forecasted severe rains to continue at least through 22 May which may result in an increase of affected areas and persons.

A government lead inter-agency assessment mission is planned for Gampaha and Kalutara on 19 May. The Japan Aerospace Exploration Agency is acquiring satellite images of the affected area on 19 May to support analysis and response planning.

The power interruptions reported on 18 May have been resolved.

UN OCHA Sri Lanka Flood Situation Report

Colombo | Sri Lanka

UN OCHA Sri Lanka Flood Situation Report

Colombo | Sri Lanka

Affected Houses Damaged IDP Camps

Deaths Injured Missing District DS Divisions Remarks Reported People People Families People Fully Partially No. Families People

Kalutara Kalutara 2420 8139 5 26 Flood - Bandaragama 314 1403 Most of the Matugama 129 583 by-roads are inundated. Palindanuwara 150 735 4 5 Relief is Panadura 2000 9800 being Millaniya 104 605 1 2 distributed. Walallawita 194 950 3 15 Dodangoda 16 75 842 4217 4 11 Bulatsinhala 105 514 Horana 6 25 Madurawala 38 150 Ingiriya 4 17 2 Agalawatta 10 49 Sub Total 6332 27262 0 0 0 17 59 0 0 0 Gampaha Divulapitiya 775 2500 5 Flood - Attanagalla 517 1779 3 Most of the Biyagama 1062 3698 10 1019 3520 roads are inundated. Ja Ela 4000 15000 4 Relief is Dompe 69 265 being Gampaha 2523 9868 12 3 distributed. Katana 2500 9665 Provided 06 Kelaniya 3947 19048 1 motor boats from Navy for Mahara 694 2733 3

UN OCHA Sri Lanka Flood Situation Report

Colombo | Sri Lanka

Negombo 1552 5888 relief Minuwangoda 641 2439 services. Wattala 9411 42148 15 536 2268 Sub Total 27691 115031 5 0 0 15 7 29 1555 5788 Colombo Kolonnawa 4611 22990 Flood Moratuwa 3790 41600 2 95 Relief is Thimbirigasyaya 4113 28403 being distributed. Ratmalana 1418 4483 Provided 03 Colombo 4511 15200 6 1449 motor boats Sri from Navy for Jayawardanepura relief Kotte 580 1360 1 80 services. Kesbewa 100 4500 Maharagama 750 0 Seethawaka 200 0 Kaduwela 1 65 Padukka 33 0 Dehiwala 398 1300 Sub Total 20504 119836 0 0 0 0 0 10 0 1689 Kegalle Dehiowita 1 3 1 Earth Slip Sub Total 1 3 0 0 0 0 1 0 0 0 Rathnapura Kalawana Flood - Eheliyagoda 10 46 1 3 7 Drowning Relief is Ayagama being 48 184 9 distributed. Sub Total 58 230 1 0 0 3 16 0 0 0 Kurunegala Pannala 31 90 2 2 Flood Udubaddawa 13 40 1 Sub Total 44 130 0 2 0 1 2 0 0 0 Galle Hikkaduwa 750 10000 Flood

UN OCHA Sri Lanka Flood Situation Report

Colombo | Sri Lanka

Ambalangoda 700 2500 Balapitiya 3300 12000 Gonapinuwala 184 752 13 15 Akmeemana 350 1707 12 18 Imaduwa 18 70 Habaraduwa 714 2734 Elpitiya 134 521 2 Baddegama 116 470 Weliwitiya Divithura 85 728 5 80 Kadawathsathara 870 3342 1 22 Sub Total 7221 34824 0 0 0 33 135 0 0 0 Puttalam Dankotuwa 100 275 Flood Madampe 40 167 Mahawewa 10 40 Flood & Sea Nattandiya 233 602 Erosion Sub Total 383 1084 0 0 0 0 0 0 0 0 Trincomalee Morawewa 10 60 Strong Wind Sub Total 0 0 0 0 0 10 60 0 0 0 Matara Akuressa 6 31 6 Flood Mulatiyana 8 40 5 1 Hakmana 3 15 3 Aturaliya 10 57 7 3 Sub Total 27 143 0 0 0 12 13 0 0 0 Anuradhapura Padaviya 2 5 Lightning Rambewa 136 Flood Sub Total 0 0 2 5 0 0 136 0 0 0

GRAND TOTAL 62261 298543 8 7 0 91 429 39 1555 7477

UN OCHA Sri Lanka Flood Situation Report

Colombo | Sri Lanka

Annex 1: Water levels rising in the following areas:  Kelani River, Hanwella DS Division, Colombo District (as at 1300hrs) The water levels are receding according to statistics. o Hanwella - Current water level: 3.07 metres - Minor Flood level: 5.00 metres o Kithulgala - Current water level: 0.8 metres - o Avisawella - Current water level: 36.4 feet o Daraniyagala - Current water level: 3.0 feet o Nagalagama - Current water level: 4.40 feet - Flood level: 5.00 feet  Kalu Ganga (river), Palindanuwara DS Division, Kalutara District (as at 1500hrs) Kukule Ganga flood gates have been opened from yesterday, however with continued rains, water levels are expected to rise. o Ratnapura water gauge: reduced to 2.95 metres o Ellagawa - Current water level: 10.52 metres (increased from 09.08m of yesterday) - Minor Flood level: 10.66 metres o Kalawellawa - Current water level: 08.28 metres (increased from 05.41 metres of yesterday) - Minor Flood level: 05.50 metres o Putupavula - Current water level: 4.56 metres - Minor Flood level: 4.00 metres  Gin Ganga, UN OCHA Sri Lanka o Thavalama - Current water level: 10 feet o Baddegama - Current water level: 4.4 metres - Minor Flood level: 4.2 metres

UN OCHA Sri Lanka