JIC Release No. 4 -Tropical Depression now named “Mangkhut”; System Still Forecast to Impact Guam Tuesday as a Typhoon

The National Weather Service (NWS), Guam Weather Forecast Office continues to monitor a Tropical Depression that is now named Mangkhut by the Regional Specialized Meteorologist Center in Tokyo.

Tropical Depression Mangkhut remains on its current path and is forecasted to intensify, likely becoming a tropical storm later today and possibly becoming aCategory 3 or Category 4 typhoon by the time it reaches Guam late Tuesday or early Wednesday.

·Category 3 Typhoon is referred to as a “Strong Typhoon” with maximum sustained winds of 111-129 mph and peak gusts of 140-164 mph.
·Category 4 Typhoon is referred to as a “Very Strong Typhoon” with maximum sustained winds of 130-156 and peak gusts of 165-198 mph.

These projections may change as the intensity and conditions have the ability to worsen.

A tropical storm watch remains in effect for Enewetak of the Marshall Islands, which means that damaging winds of 39 mph to 73 mph are possible within the next 24 to 36 hours, in their area.

Although there are no watches and warnings in effect for the Marianas, this is expected to change over the weekend and residents and visitors of the Marianas should continue to carefully monitor the progress of Tropical Depression Mangkhut.

As of 4 a.m., Mangkhut was located at 13.0 degrees north latitude and 163.5 degrees east longitude, about 135 miles northeast of Enewetak, and about 1260 miles east of Guam.

Weekend Weather Forecast

Today – Mostly cloudy with scattered showers and isolated thunderstorms early, becoming partly cloudy with isolated showers around noon.
Tonight and Sunday – Partly cloudy with isolated showers.
Sunday Night – Partly cloudy with isolated showers.

A thunderstorm advisory is in effect for the Guam International Airport Authority until 6 a.m. this morning. Thunderstorms are possible within 20 nautical miles of the airport. Wind gusts up to 27 mph are also expected in showers. Be alert and take precautions as needed.

Use the Time NOW to Prepare

To prepare for Category 3 or 4 Typhoon conditions, it is advised to take precautionary actions NOW. To prepare for any scenario, residents and visitors are advised to:

Discuss your emergency plan with household members. Include pets as part of your plan.
Stay up to date with the latest information. The storm track or intensity may change and advisories regarding flash flooding or dangerous seas may be issued.
Locate or prepare your emergency preparedness kits for your household; stock up on non-perishable food items and water for your household, flashlights, first-aid kits, batteries, matches or lighters, portable stove, toiletries, etc. Visit https://www.ready.gov/build-a-kit for more information on what to include in your supplies list.
Secure important documents such as birth certificates, tax papers, and insurance documents and keep copies in a water-proof bag.
Clear loose debris around your yard and store any items that may become airborne with heavy winds, before inclement weather arrives.
Gas your vehicles and get fuel for your generators now while the weather is clear.
Stay up to date in the event there are changes in Conditions of Readiness.
Board up windows with shutters.
Store water - Fill up a 55-gallon drum or plastic containers with water.

Roadside Signs

All temporary signs, including those for political campaigns, advertisements and any other wooden or loosely placed signs should be taken down this weekend.
Loosely fitted items and signs have the ability to lift in heavy winds and cause damage to life and property.

Stay Up to Date
Due to projected intensity of the system when it reaches the Marianas, residents and visitors are advised to stay up to date with the latest information from local media and the following links:
· NWS Website: http://www.prh.noaa.gov/guam/
· NWS Facebook: https://www.facebook.com/NWSGuam/
· GHS/OCD Website: https://ghs.guam.gov/
· GHS/OCD Facebook: https://www.facebook.com/GHSOCD/
· Joint Region Marianas Facebook: https://www.facebook.com/jrmguam/
· Governor Calvo Facebook: https://www.facebook.com/eddiebazacalvo/

For more information, contact the GHS/OCD 24/7 watch desk at (671) 475-9600 or (671) 482-7019.

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.