Sri Lanka Alert Map
DoI Β· NBRO Β· DMC Β· Real-time & Historical
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Map Style
Alert Layers
Recent Alerts (ReliefWeb)
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Nearby Services
Search a location to discover nearby services
Legend
Flood Warning Zone
Landslide L3 β Red Alert (Evacuate)
Landslide L2 β Amber Alert
Landslide L1 β Yellow Alert
Searched District
Hospital Route
Known Hazard Zones
Chronic Flood Zones (DoI records)
Landslide Risk Zones (NBRO mapping)
Past Events β Select Year
Select a year to view recorded events
Data as of Dec 2024 Β· Sources: ReliefWeb, EM-DAT, DMC, NBRO
Real-Time District Risk Triage
Rainfall from Open-Meteo Β· DMC alert overlay Β· Auto-refreshes every 10 min
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β οΈ Rainfall is live from Open-Meteo (free API). DMC alert levels are manually curated β always verify at
dmc.gov.lk.
Real Estate Risk Archive
Search by Divisional Secretariat (DS) division to check known historical flood and landslide vulnerabilities before purchasing land.
Start typing to search 75+ DS divisions
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Flood Risk
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Landslide
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Overall
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Data as of Dec 2024 Β· Sourced from NBRO hazard zone maps, DoI flood records, EM-DAT and OCHA reports. Always obtain official clearance certificates before purchasing.
El NiΓ±o / La NiΓ±a Tracker
ENSO phase (ONI index) and estimated impact on Sri Lanka's South-West monsoon (Yala) rainfall, flood risk and drought risk.
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β2.5 La NiΓ±a0 Neutral+2.5 El NiΓ±o
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Est. SW Monsoon (Yala) Rainfall Anomaly
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Flood Risk Multiplier β Wet Zone Districts
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Drought Risk Multiplier β Dry Zone Districts
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NE Monsoon (Maha) Outlook
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ENSO Impact Ratio Reference β Sri Lanka
Historical ENSO β Sri Lanka Disaster Correlation
β οΈ Impact ratios are estimates derived from historical correlation between ONI phase and Yala-season rainfall in Sri Lanka's wet zone β not a forecast for any specific event. ONI data from
NOAA CPC.
The Indian Ocean Dipole (IOD) is a secondary factor not modelled here β see
Dept. of Meteorology Sri Lanka for official seasonal outlooks.
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