The National Building Research Organisation (NBRO) has issued a Level 1 (yellow) landslide early warning for parts of Galle, Kalutara, Kegalle, Ratnapura and Nuwara-Eliya districts. They are :
1. Galle District - Neluwa Divisional Secretariat Division (DSD) and surrounding areas.
2. Kalutara District - Ingiriya, Palindanuwara, Agalawatta, Walallawita, Mathugama, Dodangoda and Bulathsinhala Divisional Secretariat Division(s) (DSD) and surrounding areas.
3. Kegalle District - Dehiowita, Yatiyanthota, Deraniyagala, Warakapola, Aranayaka and Ruwanwella Divisional Secretariat Division(s) (DSD) and surrounding areas.
4. Nuwara-eliya District - Ambagamuwa Divisional Secretariat Division(s) (DSD) and surrounding areas.
5. Ratnapura District - Eheliyagoda, Elapatha, Ratnapura, Kalawana, Kuruwita and Ayagama Divisional Secretariat Division(s) (DSD) and surrounding areas.
NBRO has warned that should residents see development of cracks, ground subsidence, slanting of trees, cracks on floors built on slopes, sudden appearance of springs or muddy water should alert the authorities.