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June 2018 is Typhoon Preparedness Month

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Press Release- Marcial A. Sablan and Mt Carmel to conduct Tsunami Evacuation Drill October 17, 2024 10:18am

Guam Homeland Security and Civil Defense (GHSOCD) is pleased to announce that Mt. Carmel and Marcial Sablan Elementary Schools will conduct a local tsunami evacuation drill on October 17, 2024, at 10:18 AM. This drill will follow the Great Guam Shakeout, reinforcing our community's preparedness for natural disasters.

Press Release – Flood Advisory in effect until 715pm; Southern Guam

The National Weather Service (NWS) Guam Weather Forecast Office issued a Flood Advisory in effect for Guam until 715pm.
 
Doppler radar indicated heavy rain due to thunderstorms south, with 1 to 2 inches an hour. 
 
Minor flooding in low-lying and poor drainage areas for southern Guam.

Some areas that will experience flooding include: Yona, Talo'fo'fo, Inalåhan, Malesso’, Piti, Asan, Sånta Rita and Humåtak.

The Offices of Guam Homeland Security and Civil Defense remind residents:

    Press Release – Flood Advisory in effect until 715pm

    The National Weather Service (NWS) Guam Weather Forecast Office issued a Flood Advisory in effect for Guam until 715pm.

    Doppler radar indicated heavy rain due to thunderstorms approaching western shores. Rain rates are about 2 to 5 inches an hour.

    Minor flooding in low-lying and poor drainage areas for central and northern Guam.

    Some areas that will experience flooding include: Dededo, Tamuning, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada, Yona, Hagatna Heights, Andersen AFB, Mongmong-Toto-Maite, Sinajana, Asan and Piti.

    Thunderstorm Advisory in Effect; Practice Caution

    The National Weather Service (NWS) Guam Weather Forecast Office issued a thunderstorm advisory, in effect for the Guam International Airport until 5:00 p.m. this afternoon. Thunderstorms are possible or occurring within 20 nautical miles of the airport.

     Be alert and take precautions as required. These storms have been producing occasional lightning.

    Visit the following links for the latest advisory information:

    Press Release – Flood Advisory in effect until 545pm

    The National Weather Service (NWS) Guam Weather Forecast Office issued a Flood Advisory in effect for Guam until 545pm for southern Guam.
     
    Minor flooding in low-lying and poor drainage areas. Between .06 and 1.2 inches of rain have fallen. Additional rainfall amounts of .06-1.2 inches are expected.

    Some areas that will experience flooding include: Yona, Talofofo, Inarajan, Merizo, Santa Rita, and Umatac.

    The Offices of Guam Homeland Security and Civil Defense remind residents:

      Press Release- Heavy Rain over the Weekend; Home preparation tips

      The National Weather Service (NWS), Weather Forecast Office Guam issued a Weather Update to provide information regarding Tropical Disturbance 99W currently northwest of Chuuk, which will bring locally heavy rainfall of 4-8 inches across the region. Currently there are no Tropical Storm Watches or Warnings in effect or expected.

      What to Expect:

      Flood Potential

      Urban and Small stream flooding is possible with heavy showers.

      Flash flooding is possible late Saturday through Tuesday.

      Press Release- Tropical Disturbance 99W North of Chuuk Continues Toward Marianas

      The National Weather Service (NWS), Weather Forecast Office Guam issued a Weather Update to provide information regarding a Tropical Disturbance in Chuuk State which will bring heavy rain to the Marianas.

      99W continues its slow westward trek toward the Mariana Islands tracking generally west-northwest. At this time, forecasted development into a significant tropical cyclone in the next day or two is unlikely.

      A Hydrologic Outlook still remains in effect for Guam.

      Press Release- Developing Tropical Disturbance in Chuuk State to bring Heavy Rain

      The National Weather Service (NWS), Weather Forecast Office Guam issued a Hydrologic Outlook to provide information regarding a Tropical Disturbance in Chuuk State which will bring heavy rain to the Marianas.

      Early estimates indicate this system to bring locally heavy rainfall of 6 to 11 inches across the Marianas. Flash flooding remains likely during Saturday night through Tuesday time frame.

      The offices of Guam Homeland Security and Civil Defense remind residents to continue to monitor official channels for updates.

      Thunderstorm Advisory in Effect; Practice Caution

      The National Weather Service (NWS) Guam Weather Forecast Office issued a thunderstorm advisory, in effect for the Guam International Airport until 2:00 p.m. this afternoon. Thunderstorms are possible or occurring within 20 nautical miles of the airport.

       Be alert and take precautions as required. These storms have been producing occasional lightning.

      Visit the following links for the latest advisory information:

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