Tropical disturbance seen to bring heavy showers to Marianas

Heavy showers and thunderstorms are expected to increase across the Marianas region by midweek due to a tropical disturbance, “Invest Area 93W,” just southwest of Chuuk that is expected to track north-northwest the next few days, coming closer to the Marianas by the end of the week.

At this time, uncertainty remains for the exact forecast track and intensity of the system as it approaches the Marianas, according to a news release yesterday by the National Weather Service Guam Weather Forecast Office.

“Guam can expect to receive numerous heavy showers between Wednesday and Friday. Depending on how organized the system is and where it tracks when it approaches, current estimates call for 1 to 1.25 inches of rainfall per day all week, with heavier showers by midweek. Changes to this forecast are likely as conditions evolve,” the news release stated.

In the CNMI, heavy rainfall is possible Wednesday through the weekend, said the CNMI Emergency Operations Center State Warning Point yesterday, citing data from NWS Guam.

It also cited a developing disturbance southwest of Chuuk as the cause of the rainy weather. It is expected to move toward the Marianas over the next several days. The strength of this system is questionable at this time. However, it does appear likely that the system will bring heavy rainfall to the Marianas around midweek that may last through the weekend. Latest model guidance shows rainfall potential of 5 to 10 inches across the region, with locally heavier rainfall likely.

Localized flooding will be possible in low-lying and poor drainage areas while flash flooding will be possible in areas of heaviest rainfall, especially near steep terrain. Rainfall over the next couple of days will help to keep the ground fairly wet, helping to increase the risk of flooding. This developing situation will continue to be monitored closely and a flash flood watch may be issued if conditions warrant.

EOC is advising the public that localized flooding will be possible in low-lying and poor drainage areas. Check storm drains in your area to make sure they are not clogged. If planning anything outdoors next week, have a backup plan in place.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. The public is advised to avoid venturing out toward north facing reefs. If caught in a rip current, relax and float. Don`t swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Take the following preparedness actions now:

– Those living in flood-prone areas should take action; clear drainage areas and unblock clogged storm drains in your area to minimize flooding.

– Take action if flood advisories are issued. Do not camp, park, or hike along streams, rivers, and creeks during heavy rainfall. These areas can flood quickly and with little warning.

– Clear loose debris around your yard and store any items such as tents and canopies that may become airborne with heavy winds before inclement weather arrives.

– Stay up to date with the latest information. The system track or intensity may change, and advisories may be issued.

– Locate or prepare your emergency preparedness kits for your household

– Secure important documents such as birth certificates, tax papers, and insurance documents and keep copies in a water-proof bag.

– Gas your vehicles and get fuel for your generators. (Saipan Tribune)