Storm Surge Threat in 69 Areas due to Typhoon Ruby (December 6, 2014)

    MANILA, Philippines - The Department of Science and Technology (DOST) Project NOAH has released official list of localities with possible storm surge as Typhoon Ruby (Hagupit) inches closer to land in the Visayas and Southern Luzon regions. As of 5:00 am on Saturday, December 6, 2014, Project NOAH has mapped 69 areas with storm surge advisory (SSA) 3 and 2.

    Storm Surge Threat in 69 Ares due Typhoon Ruby (December 6, 2014)

    The list is a refined version of PAGASA’s general advisory for storm surges and is issued more than a day ahead of Typhoon Ruby’s (Hagupit) landfall.

    DOST said it serves as a guideline for timely, steady and organized evacuation of communities, residents and families living in the affected areas.

    According to PAGASA’s 5:00am Typhoon Ruby update (December 6), those living in coastal areas under signal no. 3 are alerted against possible occurrence of 4.5-meter storm surges. Do not evacuate during the typhoon as flying debris caused by strong winds can cause fatal casualties and loss.


    STORM SURGE ADVISORY SSA3 (10 areas, storm surge up to 4 meters) are:
    • Tarangnan,  Samar
    • Sta. Margarita,  Samar
    • Gandara,  Samar
    • Catbalogan,   Samar
    • Cawayan,  Masbate
    • Uson,  Masbate
    • Mobo,  Masbate
    • Placer,  Masbate
    • Merida,  Leyte
    • Ormoc, Leyte

    STORM SURGE ADVISORY SSA2 (59 areas, storm surge up to 3 meters) are:
    • Albuera,  Leyte
    • Dimasalang,  Masbate
    • Batuan,  Masbate
    • Del Gallego,  Camarines Sur
    • Daram,  Samar
    • Balud,  Masbate
    • San Remigio,  Cebu
    • Plaridel,  Quezon
    • Pilar,  Cebu
    • Milagros,  Masbate
    • Medellin, Cebu
    • Maripipi,  Biliran
    • Kawayan,  Biliran
    • Isabel,  Leyte
    • Gumaca,  Quezon
    • Esperanza,  Masbate
    • Baybay,   Leyte
    • Atimonan,  Quezon
    • Almeria,  Biliran
    • Sta. Fe,  Cebu
    • Iloilo City,   Iloilo
    • Bantayan,  Cebu
    • San Narciso,  Quezon
    • Palanas,  Masbate
    • Jordan,  Guimaras
    • Guinayangan,  Quezon
    • Tigaon,  Camarines Sur
    • San Jose,  Camarines Sur
    • San Dionisio,  Iloilo
    • Sagnay,  Camarines Sur
    • Quezon,  Quezon
    • Concepcion,  Iloilo
    • Buenavista,  Quezon
    • Batad,  Iloilo
    • Valladolid,  Negros Occidental
    • Tabuelan,  Cebu
    • San Enrique,  Negros Occidental
    • Santo Domingo,  Albay
    • Pontevedra,  Negros Occidental
    • Manito,  Albay
    • Bacacay,  Albay
    • Presentacion,  Camarines Sur
    • Oton,  Iloilo
    • Manapla,  Negros Occidental
    • Lagonoy,  Camarines Sur
    • Estancia,  Iloilo
    • Alabat,  Quezon
    • Ajuy,  Iloilo
    • Sapi-An,  Capiz
    • Ragay,  Camarines Sur
    • Poro,  Cebu
    • Lopez,  Quezon
    • Legazpi,   Albay
    • Ivisan,  Capiz
    • Hinigaran,  Negros Occidental
    • Victorias,   Negros Occidental
    • Tiwi,  Albay
    • Rapu-Rapu,  Albay
    • Carles,  Iloilo

    It will be recalled that storm surges wreaked havoc on Tacloban in Yolanda's (Haiyan's) wake in 2013, with thousands killed by the sudden deluge.

    A storm surge (or "daluyong" in Filipino) is a rise in sea level due to incoming storm.

    All storms involve low air pressure. This pulls on the water like a giant straw, raising it above normal levels. Meanwhile, the storm's winds also push the water forward.

    The stronger the storm, the greater the potential rise in sea level. The rise may even be more pronounced if it coincides with the timing of the high tide in the area.

    Here's the infographic what a storm surge is:

    storm surge infographic

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