NWS: Overnight Wind and Rain Blamed on “Tail” of Tropical Storm Ma-On

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Guam – National Weather Service forecaster Derek Williams says last night’s wind and rain were “peripheral effects” of  Tropical Storm Ma-On which is approaching the northernmost Mariana Islands.

The thunderstorms that blew over Guam last night he said are part of  the “monsoonal tail” feeding into the storm which is about 680 miles northeast of Guam.

A Tropical Storm Watch is in effect for the northern islands of Agrihan, Pagan and Alamagan which means that tropical Storm force winds of 40 mph or more are expected within the next 48 hours.

There are no warnings in effect for the Saipan, Tinian, Rota or Guam.

Williams said that the system is expected to be mostly a rain event for us as it passes well north, but he said there will probably be periodic periods of gusty winds and heavy rains Thursday and Friday.