Nineteen provinces in Mindanao were put under Signal No. 1 as tropical depression Crising further strengthened and continued to threaten Mindanao Tuesday morning.
The Philippine Atmospheric Geophysical and Astronomical Services Administration (Pagasa) latest weather forecast said the following provinces were placed under Signal No. 1 (45-60 kph winds):Davao del Norte, Davao del Sur, Samal Island, Davao Oriental, Compostela Valley, southern part of Surigao del Sur, Agusan del Sur, Bukidnon, Lanao del Norte, Lanao del Sur, North Cotabato, Maguindanao, Sultan Kudarat, South Cotabato, Sarangani, Misamis Occidental, Zamboanga del Norte, Zamboanga del Sur and Zamboanga Sibugay.
It advised residents living in low-lying and mountainous areas under public storm warning signals to be alert against possible flash floods and landslides.
Estimated rainfall amount within the 300-km diameter of the tropical depression is from five to 15 millimeters per hour, which is classified as "moderate to heavy."
Weather Forecaster Aldczar Aurelio said as of 4 a.m. Tuesday, Crising was spotted some 310 km east of General Santos City (6.1°N, 128.2°E) with maximum sustained winds of 45 kph near the center and is forecast to move west northwest at 22 kph.
With this speed, Aurelio said Crising is expected to make a landfall by Tuesday afternoon in the southern tip of Davao Oriental then by evening in Davao del Sur, and on Wednesday morning, it will make a landfall in Zamboanga Peninsula.