'Bagyong Nina' PAGASA weather update December 25, 2016

MANILA, Philippines - 'Bagyong Nina' (international name: Nock-ten) has maintained its strength as it continues to endanger Bicol region, weather bureau PAGASA announced in its 5:00 a.m. bulletin on Christmas Day (December 25, 2016).

UPDATE: 'Bagyong Nina' PAGASA weather update December 26, 2016

At 4:00 a.m. today, the eye of Typhoon Nina was located based on all available data including Virac and Guiuan doppler radar at 250km East of Virac, Catanduanes(13.6°N, 126.5°E).

UPDATE: PAGASA: 'Bagyong Nina' makes landfall over Bato, Catanduanes

Nina has maximum sustained winds of up to 175 kph near the center and gustiness of up to 215 kph and forecast to move West at 15 kph.

PAGASA has raised tropical cyclone warning signal no. 3 (121-170 kph expected in 18 hours) over the areas of Catanduanes, Albay and Camarines Sur.

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.

Signal no. 2 (61-120 kph expected in 24 hours) is up in Southern Quezon, Marinduque, Camarines Norte, Masbate including Ticao and Burias Island, and Sorsogon and 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.

Signal No. 1 (30-60 kph expected in 36 hours) in Metro Manila, Bataan, Nueva Ecija, Southern Nueva Vizcaya, Southern Quirino, Zambales, Pampanga, Tarlac, Bulacan, Cavite, Laguna, Batangas, Rizal, the rest of Quezon including Polillo Island, Aurora, Romblon, Occidental Mindoro including Lubang Island, Oriental Mindoro , 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.

Forecast Positions:

• 24 Hour( Tomorrow morning): In the vicinity of Goa, Camarines Sur(13.7°N, 123.5°E)
• 48 Hour(Tuesday morning):210 km West of Sangley Pt, Cavite(14.3°N, 119.0°E)
• 72 Hour(Wednesday morning): 380 km North Northeast of Pagasa Island, Palawan(14.2°N, 115.3°E)
• 96 Hour(Thursday morning):280 km West Northwest of Pagasa Island, Palawan (OUTSIDE PAR)(12.1°N, 111.8°E)

Bagyong Nina is expected to make landfall over Catanduanes in the afternoon or evening today.

PAGASA advised of the possible inclusion of Calamian Group of Islands to areas with Signal No. 1 at 5 a.m.

Sea travel is risky over the seaboards of Luzon and the seaboards of Samar and Leyte.

Storm surge height of up to 2.5 meters is possible over the coastal areas of Camarines Sur, Camarines Norte and Catanduanes.