Guam Homeland Security - Office of Civil Defense

X Flooding is a temporary overflowing of water onto land that is normally dry. Flooding may happen with only a few inches of water, or it may cover a house to the rooftop. There are many possible causes of floods including heavy rain, coastal storms and storm surge, waterway overflow from being blocked with debris, or overflow of levees, dams, or waste water systems. Flooding can occur slowly over many days or happen very quickly with little or no warning, called flash floods.

To learn more, visit https://www.ready.gov/floods

Wildfire

Regularly clean the roof and gutters.
Maintain an area approximately 30’ away from you home that is free of anything that will burn, such as wood piles, dried leaves, newspapers and other brush.
Connect garden hoses long enough to reach any area of the home and fill garbage cans, tubs, or other large containers with water.
Review your homeowner's insurance policy and also prepare/update a list of your home's contents.

Fire Weather

Turn on your TV/radio. You’ll get the latest weather updates and emergency instructions.
Know where to go. If you are ordered to evacuate, know the route to take and have plan of where you will go. Check-in with your friends and family.
Keep your car fueled, in good condition, and stocked with emergency supplies and a change of clothes.

Drought

Conserve water

Take shorter showers.

Turn off the water while brushing your teeth or shaving.
Run the washer less frequently and only when you have a full load.
Water your lawn less frequently and do so when the temperature is cooler in the early morning or late evening.
When you run the tap to heat or cool water, keep a pitcher to store the water and use it to water plants.
Avoid washing your car.

Practice fire prevention

Don't set off fireworks when conditions are dry.
Deposit cigarette butts in the proper receptacle to avoid starting a
Pour water over camp fires and backyard fire pits to ensure they are completely out before leaving them unattended.

Follow directions from local officials. If there are restrictions on water usage, be sure to heed them.

To learn more, visit https://www.ready.gov/wildfires and https://www.ready.gov/drought

X
Typhoons/Hurricanes are massive storm systems that form over the water and move toward land. Threats from typhoons/hurricanes include high winds, heavy rainfall, storm surge, coastal and inland flooding, and rip currents.

“Hurricanes” form in the Atlantic Northeast Pacific region and “Typhoons” form in the Northwest Pacific Region. These large storms are call cyclones in other parts of the world.

To learn more, visit https://www.ready.gov/hurricanes.

Guam in COR 3; Take Action to Prepare

Governor Lou Leon Guerrero and Rear Admiral Brent De Vore will place Guam and the respective military bases in Condition of Readiness (COR) 3 at 3 p.m. this afternoon.

Joint Region Marianas, Naval Base Guam, Andersen Air Force Base, and Marine Corps Base Camp Blaz establish COR 3. All Military installations on Guam are currently securing facilities and housing residents are urged to commence heavy weather preparedness efforts in COR 3.

Read more about Guam in COR 3; Take Action to Prepare

Press Release: Weather Preparedness 09-10-24

The National Weather Service (NWS) Guam Weather Forecast Office reminds the public, No tropical storm/typhoon watches/warnings are in effect. Tropical storm/Typhoon Watches/Warnings are not anticipated with this event. Invest 95W will most likely pass over or near Guam later today as a tropical depression. It is an organic situation and residents should closely monitor this event.

Current Watches and Advisories:

Flood Watch: Now, through 6AM Friday

Read more about Press Release: Weather Preparedness 09-10-24

Flood Watch in effect through late Thursday night

The National Weather Service (NWS), Weather Forecast Office Guam issued a flood watch, in effect for Guam, Rota, Tinian, and Saipan, through late Thursday night.

Flash flooding caused by excessive rainfall continues to be possible.

Excessive runoff may result in flooding of low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.

Read more about Flood Watch in effect through late Thursday night

High Surf Advisory in Effect until 6am Friday

The National Weather Service (NWS), Weather Forecast Office Guam issued a high surf advisory, in effect for Guam, Rota, Tinian, and Saipan, through 6 a.m. Friday.

Large breaking waves of 7 to 9 feet will build to 10 to 12 feet by Wednesday.

Currently along the south facing reefs of Guam, Rota, Tinian and Saipan. Surf will build to hazardous levels along west facing reefs by Thursday.

Dangerous swimming and surfing conditions and localized beach erosion.

Read more about High Surf Advisory in Effect until 6am Friday

Wind Advisory in Effect from 6am Wednesday to Thursday 6pm

The National Weather Service (NWS), Weather Forecast Office Guam issued a wind advisory, in effect for Guam, Rota, Tinian, and Saipan, through 6 p.m. Thursday.

South winds of 20 to 35 mph with frequent gusts up to 45 mph are expected.

Gusty winds could blow around unsecured objects. Tree limbs could be blown down and few power outages may result.

Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects.

Read more about Wind Advisory in Effect from 6am Wednesday to Thursday 6pm

Thunderstorm Advisory In Effect for Guam International Airport Until 200pm

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:

Read more about Thunderstorm Advisory In Effect for Guam International Airport Until 200pm

Flood Advisory in effect until 1:00pm

The National Weather Service (NWS) Guam Weather Forecast Office issued a flood advisory in effect until 1:00pm today affecting Guam with urban and small stream flooding caused by excessive rainfall.

At noon ChST, gauge reports indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding.

Some locations that will experience flooding include Tamuning, Mangilao, Chalan Pago-Ordot, Barrigada, Yona, Hagatna Heights, Talofofo, Mongmong-Toto-Maite, Sinajana, Asan, Piti, Santa Rita and Umatac.

Read more about Flood Advisory in effect until 1:00pm

Press Release: Flood Watch in effect

The National Weather Service (NWS) Guam Weather Forecast Office issued a flood watch in effect for Guam from this evening through Thursday afternoon.. This will cause minor flooding in low-lying and poor drainage areas.

Read more about Press Release: Flood Watch in effect

Press Release: Weather Preparedness

The National Weather Service (NWS) Guam Weather Forecast Office forecasts heavy rainfall possible Tuesday through Friday night. A developing tropical disturbance, known as JTWC`s Invest 95W, is currently located just north of Weno, Chuuk, near 9N153E. Forecast guidance continues to show a gradual organization as it heads towards the Marianas over the next few days.

Model consensus indicates the possibility of locally heavy rainfall of 4 to 8 inches across the Marianas. Such rainfall could lead to localized flooding and the potential for flash flooding.

Read more about Press Release: Weather Preparedness

Press Release: Hydrologic Outlook

The National Weather Service (NWS) Guam Weather Forecast Office forecasts heavy rainfall possible Monday night through Thursday night. A developing tropical disturbance, known as JTWC`s Invest 95W, is currently located just northwest of Pohnpei near 8N158E. Forecast guidance continues to show a gradual organization as it heads towards the Marianas over the next few days.

Model consensus indicates the possibility of locally heavy rainfall of 4 to 8 inches across the Marianas. Such rainfall could lead to localized flooding and the potential for flash flooding.

Read more about Press Release: Hydrologic Outlook

30 C / 86 F

ABOUT GHS/OCD

ARE YOU READY?

PREPAREDNESS

DISASTER ASSISTANCE

OPERATIONS

CONTACT GHS/OCD

Wildfire

Fire Weather

Drought

Conserve water

Department of Homeland Security (DHS) Definition of Terrorism

June 2018 is Typhoon Preparedness Month

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