La Mesa Dam is under red alert status due to continuous moderate to heavy rains brought by Typhoon Ulysses, with its water level reaching 79.88 meters as of 4:27 a.m. on Thursday, November 12.
The dam is expected to overflow into the Tullahan River as its water level approaches the spilling level of 80.15 meters.
Residents in low-lying areas along the Tullahan River in Quezon City and Valenzuela City are advised to be on alert for possible flooding.
Affected areas in Quezon City include Fairview, Forest Hills Subdivision, Quirino Highway, Sta Quiteria, and San Bartolome.
In Valenzuela City, the affected areas are Barangay Ligon and La Huerta Subdivision.
PAGASA will continue to monitor the dam's condition and provide updates to concerned agencies and local government units.
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