SEVERE WEATHER BULLETIN #13
FOR: TYPHOON “#NinaPH” (NOCK-TEN)
TROPICAL CYCLONE: WARNING

ISSUED AT 11:00 AM, 25 December 2016
(Valid for broadcast until the next bulletin to be issued at 2 PM today)

“NINA” HAS INTENSIFIED AND FURTHER INCREASED ITS THREAT TO BICOL REGION.

• Estimated rainfall amount is from moderate to heavy within its 500 km diameter of the typhoon.
• It is expected to make landfall over Catanduanes this evening (Dec. 25).
• Sea travel is risky over the seaboards of Luzon.
• Storm surge height of up to 2.5 meters is possible over the coastal areas of Camarines Sur, Camarines Norte, Albay, Sorsogon and Catanduanes.

Location of eye/center: At 10:00 AM today, the eye of Typhoon “NINA” was located based on all available data including Guiuan and Virac doppler radar at 150 km East of Virac, Catanduanes (13.4°N, 125.6°E).

Strength: Maximum sustained winds of up to 185 kph near the center and gustiness of up to 255 kph.

Forecast Movement: Forecast to move West at 15 kph.

Forecast Positions:
• 24 Hour (Tomorrow morning): In the vicinity of Catanauan, Quezon (13.7°N, 122.3°E)
• 48 Hour (Tuesday morning):200 km West Southwest of Iba, Zambales (14.6°N, 118.3°E)
• 72 Hour(Wednesday morning): 335 km North of Pagasa Island, Palawan (OUTSIDE PAR) (14.0°N, 114.3°E)
• 96 Hour(Thursday morning):290 km West Northwest of Pagasa Island, Palawan (OUTSIDE PAR) (11.5°N, 111.5°E)

TROPICAL CYCLONE WARNING SIGNAL:

TCWS 4 (171-220 kph Expected in 12 hours):
Luzon: Catanduanes

Impacts of the wind:
• 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.

Wave Height: (Open Sea) more than 14.0 meters
Storm surge 2-3m possible at coastal areas

TCWS 3 (121-170 kph Expected in 18 hours):
Luzon: Burias Island, Albay, Camarines Norte, Camarines Sur and Southern Quezon

Impacts 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.

Wave Height: (Open Sea) > 14.0 meters
Storm surge possible at coastal areas

TCWS 2 (61-120 kph Expected in 24 hours):
Luzon: Masbate including Ticao Island, Sorsogon, Oriental Mindoro, Batangas, Laguna, Rest of Quezon including Polillo, Marinduque and Romblon
Visayas: Northern Samar

Impacts of the wind:
• 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.

Wave Height: (Open Sea) 4.1-14.0 meters
Storm surge possible at coastal areas

TCWS 1 (30-60 kph Expected in 36 hours):
Luzon: Metro Manila, Rizal, Bataan, Occidental Mindoro including Lubang Island, Nueva Ecija, Aurora, Southern Quirino, Southern Nueva Vizcaya, Zambales, Pampanga, Bulacan, Tarlac, and Cavite
Visayas: Aklan, Capiz, Samar, Eastern Samar, Biliran, Leyte and Bantayan Island

Impacts of the wind:
• 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

The public and the disaster risk reduction and management council concerned are advised to take appropriate actions and watch for the next weather bulletin to be issued at 2 PM today.

 Source:  DOST_PAGASA FB Account