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[Summer Storm] ‘Chedeng’ weakens, warning signals up in 24 provinces

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Saturday, 4 April 2015 - Last Updated on April 4, 2015
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(UPDATED) Typhoon ‘Chedeng’ (international name Maysak) has further weakened in the past 36 hours according to the Philippine Atmospheric Geophysical Astronomical Services Administration (PAGASA).

From a super typhoon category on April 1, ‘Chedeng’ was downgraded to typhoon on April 2.

But despite its weakening trend, ‘Chedeng’ could still be a dangerous typhoon as it begins to affect the eastern section of the country this weekend. It has maximum sustained winds of 130kph near the center and gustiness of up to 160kph. It has a diameter of 200kph.

The typhoon is moving west northwest at 22kph towards Isabela-Aurora area.

The estimated rainfall amount brought by typhoon ‘Chedeng’ is from moderate to heavy within the 150km radius.  Aurora, Isabela and Quirino provinces are being closely monitored for possible heavy rainfall and flooding. Metro Manila will experience occasional rains.

The critical period will be on Saturday night as the typhoon nears landfall. It is expected to make landfall over the coast of Aurora-Isabela area by Sunday morning (April 5), will exit the landmass via Ilocos Sur by Sunday evening (April 5) and will exit the Philippine Area of Responsibility by Monday morning (April 6).

Storm surges and sea surface waves of up to 2 meters are possible over the eastern coast of Aurora, Quezon and Isabela.

As of 11am, PAGASA issued public storm warning signals in the following provinces:

Signal 2 (Winds of 61-100 kph is expected in at least 24 hrs)
‪‎Isabela‬, Southern ‪‎Cagayan‬, ‎Kalinga‬, ‎Mt. Province‬, ‎Ifugao‬, ‎Benguet‬, ‎Nueva Viscaya‬, ‎Quirino‬, ‎Aurora‬ and ‎Catanduanes‬.

Signal No. 1 (Winds of 30-60 kph is expected in at least 36 hrs)
Rest of Cagayan including Babuyan Island, ‎Apayao‬, ‎IlocosNorte‬, ‎IlocosSur‬, ‎Abra‬, ‎LaUnion‬, ‎Pangasinan‬, ‎NuevaEcija‬, ‪‎Tarlac‬, ‎Pampanga‬, ‎Bulacan‬, ‎Rizal‬, ‎Quezon‬, ‪‎Camarines Norte‬ and ‎Camarines Sur‬.

Local government units in Casiguran and Baler in Aurora will enforce preemptive evacuations starting this afternoon. Forced evacuations have started in coastal villages.

Prepositioned relief goods

The National Disaster Risk Reduction and Management Coordinating Council (NDRRMC) said it is ‘on top of the situation’ and has continously held briefings in preparation for the typhoon’s possible impact. NDRRMC Director Alex Pama said around 5.6 million families may be affected by typhoon ‘Chedeng’.

In a report, the NDRRMC said some 5,619,221 families or 56,638,709 people from the National Capital Region, Cordillera Administrative Region and regions 1, 2, 3, 4-A, 4-B, 5 and 8, might be displaced by ‘Chedeng’.

The Department of Social Welfare and Development (DSWD) said it has alerted and activated disaster response team leaders and prepositioned family food packs and relief items in regions to be affected by typhoon ‘Chedeng’. As of April 3, DSWD field offices nationwide allocated P287M worth of standby funds and stockpile available.

Weakening of a super typhoon

‘Maysak’ is the third most intense super typhoon to form early in the season (from January to April), a rare early super typhoon. The other two super typhoons with similar strength were: supertyphoon Ophelia in January 1958 and super typhoon Mitag in March 2002.

In the Philippines, only seven tropical storms or typhoons have hit Luzon between January and April since 1945, an average of one storm every ten years.

‘Maysak’ first developed into a tropical storm on Friday, March 26 across Micronesia, southeast of Guam. It slammed the island of Chuuk last weekend with damaging winds and torrential rainfall. Accuweather reported that more than 250mm or 10 inches of rain  fell in under six hours over the island resulting to five casualties.

It passed the state of Yap in the Pacific islands with maximum winds of 230kph and gusts of up to 280kph.

On March 31, it strengthened into a super typhoon, reaching Category 5 hurricane status on the Saffir-Simpson Wind Scale. At its peak, ‘Maysak’ packed the strongest winds of 258kph and gusts of 280kph.

It was forecasted to weaken as it approaches the Philippines. ‘Maysak’ was given the local name ‘Chedeng’ as it entered PAR on April 1. Based on PAGASA’s severe weather bulletins, it showed a weakening trend:

April 1, 6:00am:  240ph and 220kph at 20kph

April 1, 11:00am: 180kph and 215kph at 19kph

April 2, 11:00am: 175kph and 210kph at 19kph

April 3, 11:00am: 150kph and 185kph at 19kph

April 4, 2:00 am: 160kph and 185kph at 19kph

April 4, 5:00 am: 155kph and 185kph at 19kph

 

 

Maui Hermitanio (92 Posts)


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