Typhoon Nona traversing Sibuyan Sea

Voltaire Tupaz

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Typhoon Nona traversing Sibuyan Sea
In its latest weather bulletin, PAGASA says Typhoon Nona is about 100 kilometers east northeast of Romblon

EYE OF THE STORM. In its bulletin issued 11 pm on Monday, December 14, PAGASA says Typhoon Nona is located about 100 km East Northeast of Romblon, Romblon (12.7°N, 123.2°E) as of 10 pm. Image by PAGASA-DOST

MANILA, Philippines – After hitting Sorsogon, Typhoon Nona (international name Melor) crossed Burias Islands Monday night, December 14. It is now traversing the Sibuyan Sea.

In its bulletin issued 11 pm on Monday, state weather bureau PAGASA said Typhoon Nona was located about 100 kilometers east northeast of Romblon, Romblon. 

Nona still has maximum winds of sustained winds of 150 kilometers per hour (km/h) near the center and gustiness of up to 185 km/h. 

Estimated rainfall amount is from heavy to at times intense within the 250-kilometer diameter of the typhoon. 

Typhoon risks

Flash floods and landslides are expected over the areas under signal numbers 2 and 3, while storm surges of up to 3 meters are possible, PAGASA said.

Nona is expected to pass over the Mindoro provinces on Tuesday afternoon, December 15. 

Below is PAGASA’s forecast on the typhoon’s positions in the course of the day:

• 24 hour (tomorrow evening): 120 km West of San Jose, Occidental Mindoro 
• 48 hour (Wednesday evening): 230 km Northwest of Puerto Princesa City, Palawan 
• 72 hour (Thursday evening): 410 km West of Puerto Princesa City, Palawan
• 96 hour (Friday evening): 790 km West Southwest of Puerto Princesa City, Palawan (Outside PAR)
• 120 hour (Saturday evening): 1210 km West Southwest of Puerto Princesa City, Palawan (Outside PAR) 

Storm warning signals

PAGASA raised storm warning signals in parts of Luzon and Visayas.

Signal #3
(121-170 kph Expected in 18hrs.)

LUZON: Oriental Mindoro, Masbate including Ticao and Burias Islands, Albay, Marinduque and Romblon

Wind impact

• 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.

Open Sea Wave Height: > 14.0 meters

Storm surge may reach up to 3.0 meters

Signal #2
(61-120kph Expected in 24 hrs.)

LUZON: Camarines Sur, Camarines Norte, Sorsogon, Catanduanes, Southern Quezon, Batangas, Calamian Group of Islands and Occidental Mindoro including Lubang Island 

VISAYAS: Northern Samar

Wind impact

• 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 #1
(30-60kph Expected in 36 hrs.)

LUZON: Metro Manila, Cavite, Laguna, Bulacan, Rizal, Northern Palawan, Bataan and rest of Quezon including Polillo Island

VISAYAS: Eastern Samar, Samar, Biliran, Leyte, Northern Cebu including Bantayan and Camotes Islands, Aklan, Capiz, Antique and Iloilo

Wind impact
• 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.

Open Sea Wave Height: 1.25-4.0 meters

Storm warning signals elsewhere have now been lifted, PAGASA added. The weather bureau advised the public and the disaster risk reduction and management council concerned “to take appropriate actions and watch for the next Severe Weather Bulletin to be issued at 5 am tomorrow, December 15.” 

Interior and Local Government Secretary Mel Sarmiento earlier urged local government units to stay alert tonight. (WATCH: DILG chief to Nona-affected areas: Be alert, stay awake)

“We should be more alert at night. We are suggesting this to residents in areas to be affected: If possible, stay awake.” – Rappler.com

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