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Signal # 4:

  • Very heavy damage to high–risk structures
  • Heavy damage to medium risk structures;
  • Moderate damage to low-risk structures
  • Considerable damage to structures of light materials (up to 75% are totally and partially destroyed); complete roof structure failures.
  • Many houses of medium-built materials are unroofed, some with collapsed walls; extensive damage to doors and windows
  • A few houses of first-class materials are partially damaged
  • All signs/billboards are blown down. There is almost total damage to banana plantation
  • Most mango trees, ipil-ipil and similar types of large trees are downed or broken.
  • Coconut plantation may suffer extensive damage.
  • Rice and corn plantation may suffer severe losses.
  • Storm surge of 2-3 meters possible at coastal areas

    • Signal # 3:

  • Heavy damage to high–risk structures;
  • Moderate damage to medium-risk structures;
  • Light damage to low risk structures
  • Increasing damage (up to more than 50%) to old, dilapidated residential structures and houses of light materials. Majority of all nipa and cogon houses may be unroofed or destroyed
  • Houses of medium strength materials (old, timber or mixed timber-CHB structures, usually with G.I. roofing’s); some warehouses or bodega-type structures are unroofed.
  • There may be widespread disruption of electrical power and communication services.
  • Almost all banana plants are downed.
  • Some big trees (acacia, mango, etc.) are broken or uprooted.
  • Dwarf-type or hybrid coconut trees are tilted or downed.
  • Rice and corn crops may suffer heavy losses.
  • Damage to shrubbery and trees with foliage blown off; some large trees blown down.
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