NWS Issue Severe Thunderstorm Warning, Thunderstorm, Flood Advisory in Effect

The National Weather Service (NWS), Weather Forecast Office Guam issued a severe thunderstorm warning for Guam.

Though 12:45 p.m. today, Guam can expect thunderstorms in the following villages: Dededo, Tamuning; Yigo, Mangilao; Chalan Pago-Ordot; Barrigada; Yona; Hagatna Heights; Andersen AFB; Mongmong-Toto-Maite; Sinajana; Asan; Piti; and Santa Rita.

If driving, be alert for reduced visibility due to heavy rainfall and ponding of water along roadways. If you see lightning or hear thunder, seek shelter indoors.

Boaters can expect visibility down to a quarter of a mile with heavy rainfall. If thunder is heard or lightning is seen, boaters are advised to get below deck and avoid touching metal parts. For those near the shores, return to harbor until weather has improved.

Boaters can expect visibility down to a quarter of a mile with wind gusts 35 to 40 knots in heavy showers. If thunder is heard or lightning is seen, boaters are advised to get below deck and avoid touching metal parts. For those near the shores, return to harbor until weather has improved.

A thunderstorm advisory is in effect for the Guam International Airport until 6:00 p.m. this evening. Thunderstorms are expected within 20 nautical miles of the airport. Be alert and take precautions as required.

An urban and flood advisory is in effect for Guam until 2:00 p.m.. A flood advisory means river or stream flows are elevated or pending water in urban or other areas is occurring or is imminent. Up to 1 inch of rain has already fallen. An additional 1-3 inches is expected.

The Offices of Guam Homeland Security and Civil Defense (GHS/OCD) advise the community to practice extreme caution while traveling in inclement conditions, driving below the speed limit and allowing enough braking distance between vehicles.

Visit the following links for the latest information:

· NWS Website: https://www.weather.gov/gum/

· NWS Facebook: https://www.facebook.com/NWSGuam/

· GHS/OCD Website: https://ghs.guam.gov/

· GHS/OCD Facebook: https://www.facebook.com/GHSOCD/

For more information, contact Acting Public Information Officer Jaimie Cruz at (671) 688-0438 or via email at jaimie.cruz@ghs.guam.gov.

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.