Effects of the 2013 Pacific typhoon season in the Philippines

The effects of the 2013 Pacific typhoon season in the Philippines were considered some of the worst in decades. Throughout the year, series of typhoons impacted the country, with the worst damage especially death toll from Typhoon Haiyan during November.

The first half of the season was relatively weak compared to the other intense seasons of 2004 and 2009. The season started off with Auring affecting southern Philippines on January 2. The next week after that, Bising formed consequently south of the country, which later moving off north becoming a bomb cyclone. After a month, Crising developed, tracking like Auring.

During the second half of the season, tropical activity within the Western Pacific rose especially on the month of August. A series of storms formed or entered the Philippine area of Responsibility during the first week of June until the middle of July, which brought heavy rainfall throughout the country. Tropical activity and the southwest monsoon gradually intensified after the dissipation of Tropical Depression Kiko, which Typhoon Labuyo made landfall over Luzon a few days after that. Even though Maring didn't made landfall whereabouts in the country, the system intensified the monsoon which brought extreme flooding throughout the country.

Even though September was weak, with Typhoon Odette impacting southern Taiwan and extreme northern Luzon, October was relatively active as well as dual typhoons appearing three times within the month. Just like Maring, Quedan enhanced the monsoon. The storm later intensified into a strong typhoon just in the upper part of the PAR, and later making landfall over eastern China with extreme damages. When Quedan was exiting the PAR, Ramil briefly entered their area while intensifying into a Category 4 typhoon. During the mid-week of the month, Typhoon Santi made landfall over central Luzon, with extreme damages. Category 5 Typhoon Francisco weakened to a minimal typhoon before entering their area with a codename of Urduja.

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Wikipedia