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June 2018 is Typhoon Preparedness Month

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Hazardous Surf and Seas Remain; Inexperienced Swimmers Advised to Stay Out of the Water

The National Weather Service (NWS) Guam Weather Forecast Office has the following advisories in effect:

Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan until 6 p.m. Sunday along north and east facing reefs. Large breaking, dangerous swimming and surfing conditions and localized beach erosion are expected.

Flash Flood Warning Extended; Practice Caution in Heavy Rain

The National Weather Service (NWS), Weather Forecast Office Guam has issued a flash flood warning for Northeastern Guam until 1:15 p.m. this afternoon. Between 1 and 3 inches of rain has fallen. Additional rainfall amounts of 1 to 3 inches is possible. Flash flooding is ongoing or expected to begin shortly. 

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

Flood Advisory in Effect; Practice Caution in Heavy Rain

The National Weather Service (NWS) Guam Weather Forecast Office issued a flood advisory, in effect for Guam until 12:45 p.m. Urban and small stream flooding caused by excessive rainfall is expected. Additional rainfall amounts of 1 to 2 inches are expected, resulting in minor flooding.

Residents and visitors are advised to take the following precautionary actions:
  • If driving, be alert for low visibilities and slippery roads in heavy rain;
  • Slow down where water is ponding on the road;

No Tsunami Threat to Marianas from Indonesia Earthquake

The U.S. Geological Survey recorded an earthquake with a preliminary magnitude of 7.6 that occurred near Kepulauan Tanimbar, Indonesia, with a depth of 95.2 km, at 3:47 a.m. (ChST).

As advised by the Pacific Tsunami Warning Center, there is no tsunami threat to Guam or the Northern Mariana Islands at this time.

This will be the final statement issued by GHS/OCD unless additional information is received.

Strong Thunderstorms Over Waters; Mariners Advised to Practice Caution

The National Weather Service (NWS) Guam Weather Forecast Office advised strong thunderstorms are over the coastal waters of Guam and Rota.

The strong thunderstorms are capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from 32 NM east of Ritidian buoy to near Cocos Island, moving west at 15 knots.

Mariners can expect gusty winds to around 30 knots, potential waterspouts, locally higher waves, and lightning strikes. Boaters should seek harbor until these storms pass.

Flash Flood Warning Now in Effect for Northeastern Guam; Practice Caution in Heavy Rain

The National Weather Service (NWS) in Tiyan Guam has issued a flash flood warning for Northeastern Guam until 6 p.m. this afternoon. Thunderstorms are producing heavy rain. Additional rainfall amounts of 1 to 3 inches is possible. Flash flooding is ongoing or expected to begin shortly. 

Some locations that will experience flash flooding include Dededo, Tamuning, Yigo, Mangilao, Barrigada, Hagatna Heights, and Mongmong-Toto-Maite. 

Residents and visitors are advised to take the following precautionary actions:

    JIC RELEASE NO. 1159 - Report Positive COVID-19 At-home Test Results to DPHSS; Cumulative COVID-19 Test Results: 224 New Cases Reported January 4–9; Nine Hospitalized; Three COVID-19-related Fatalities Reported; Additional COVID-19 Updates

    Report Positive COVID-19 At-home Test Results to DPHSS

    Report positive COVID-19 at-home and over the counter (OTC) test results to the Department of Public Health and Social Services (DPHSS) via email: dphss.surveillance@dphss.guam.gov. You must report your positive result within 24 hours and provide the following information:

    Flash Flood Warning Now in Effect for Southwestern Guam; Practice Caution in Heavy Rain

    The National Weather Service (NWS) in Tiyan Guam has issued a flash flood warning for Southwestern Guam until 5:15 p.m. this afternoon. Thunderstorms are producing heavy rain. Additional rainfall amounts of 1.5 to 3 inches is possible. Flash flooding is ongoing or expected to begin shortly. 

    Some locations that will experience flash flooding include Yona, Talofofo, Inarajan, Asan, Merizo, Santa Rita and Umatac.

    Residents and visitors are advised to take the following precautionary actions:

      GHS/OCD Hosts Upcoming Training Opportunities

      The Offices of Guam Homeland Security and Civil Defense (GHS/OCD), in conjunction with the Texas A&M Engineering Extension Service (TEEX), will host the following free training opportunities at the GHS/OCD facility in Agana Heights:
      • Tuesday, February 14 – Wednesday, February 15, 2023, 8 a.m. – 5 p.m.: Threat and Hazard Identification and Risk Assessment and Stakeholder Preparedness Review (MGT-310)

        Hazardous Surf and Seas Remain; Inexperienced Swimmers Advised to Stay Out of the Water

        The National Weather Service (NWS) Guam Weather Forecast Office have the following advisories in effect:

        Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

        A high surf advisory remains in effect for Guam, Rota, Tinian, and Saipan until 6 a.m. Tuesday. Hazardous surf of 7 to 9 feet is expected in the surf zone for north facing reefs. Dangerous swimming and surfing conditions and localized beach erosion are expected.

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