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Rainy weekend ahead likely
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Posted on Apr 05 2022
The public is being warned that heavy rainfall is possible over the upcoming weekend.
Based on the information received from the National Weather Service in Guam and compiled at the CNMI Emergency Operations Center State Warning Point, a tropical disturbance, JTWC Invest 95W, is drifting toward the northwest, moving toward Yap over the next few days. Latest model guidance is in disagreement over the expected movement and intensity of this system, though all agree that it will strengthen as it moves toward Yap and the Philippine sea, remaining south of Guam.
The GFS shows rainfall amounts across the Marianas as high as 10 to 12 inches, while the ECMWF shows very little rainfall, less than 1.5 inches. The GFS ensemble looks more realistic, showing amounts of 5 to 7 inches, with locally higher amounts possible.
Localized flooding is possible in low-lying and poor drainage areas, while flash flooding will be possible in areas of heaviest rainfall, especially near steep terrain. Residents of the Marianas need to closely monitor this developing situation as watches, advisories and warnings could be issued later in the week. If living near streams and rivers, prepare to move items away from stream and river banks. Make sure storm drains nearby are not clogged, especially in low-lying areas. If planning anything outdoors this weekend, have a backup plan in place.
This outlook will be updated over the next couple of days. (PR)
