Typhoon: Bagyong Nona Update (December 13, 2015)

These are news updates on Bagyong Nona, which intensified into a typhoon, from state weather bureau PAGASA as of Sunday, December 13, 2015.

In its latest weather bulletin, PAGASA said TS Nona continues to move westward as it threatens the Samar-Sorsogon area.

As of 7 p.m. today, the typhoon's center was spotted 380 kilometers East of Catarman, Northern Samar, packing maximum sustained winds of 140 kilometers per hour near the center and gusts of up to 170 kph. It is moving West at 19 kph.

Forecast Positions:

  • 24 hour (Tomorrow afternoon): 10 km North of Catarman, Northern Samar
  • 48 hour (Tuesday afternoon): 50 km East Calapan City, Oriental Mindoro
  • 72 hour (Wednesday afternoon): 140 km West of Calapan City
  • 96 hour (Thursday afternoon): 220 km West of Coron, Palawan
  • 120 hour (Friday afternoon): 440 km West of Puerto Princesa City, Palawan (Outside PAR)

Public storm warning signals have been raised in the following areas:

Signal No. 3 (121-170 kph expected in 18 hours): Catanduanes, Sorsogon, Albay and Ticao Island, Northern Samar, Eastern Samar and Samar

Impact of the wind:

  • 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.

Signal No. 2 (61-120 kph expected in 24 hours): Masbate including Burias Island, Camarines Sur, Camarines Norte, Romblon and Southern Quezon, Leyte and Biliran

  • Light to Moderate damage to high risk structures;
  • Very light to light damage to medium-risk structures;
  • No damage to very light damage to low risk structures
  • Unshielded, old dilapidated schoolhouses, makeshift shanties, and other structures of light materials are partially damaged or unroofed.
  • A number of nipa and cogon houses may be partially or totally unroofed.
  • Some old galvanized iron (G.I.) roofs may be peeled or blown off.
  • Some wooden, old electric posts are tilted or downed.
  • Some damage to poorly constructed signs/billboards
  • In general, the winds may bring light to moderate damage to the exposed communities. Most banana plants, a few mango trees, ipil-ipil and similar types of trees are downed or broken
  • Some coconut trees may be tilted with few others broken
  • Rice and corn may be adversely affected
  • Considerable damage to shrubbery and trees with some heavy-foliaged trees blown down.
  • Open Sea Wave Height: 4.1-14.0 meters
  • Storm surge possible at coastal areas

Signal No. 1 (30-60 kph expected in 36 hours): Marinduque, Oriental Mindoro and rest of Quezon, Southern Leyte, Northern Cebu including Bantayan and Camotes Islands, Aklan, Capiz and Negros Occidental, Dinagat province and Siargao Island

  • Very light or no damage to low risk structures,
  • Light damage to medium to high risk structures
  • Slight damage to some houses of very light materials or makeshift structures in exposed communities. Some banana plants are tilted, a few downed and leaves are generally damaged.
  • Twigs of small trees may be broken.
  • Rice crops, however, may suffer significant damage when it is in its flowering stage.
  • Wave Height (Open Sea): 1.25-4.0 meters

State forecasters said the estimated rainfall amount is from moderate to heavy within the 300-km diameter of the severe tropical storm.

It is possible that PAGASA will raise PSWS #1 over the rest of Southern Luzon, Aklan, Capiz and Metro Manila tonight.

Storm surges of up to 3.6 meters are possible over the areas under signal #2 and #3, PAGASA added.