Tropical Storm Chan-hom is expected to pass through the Marianas as a typhoon over the weekend, according to the National Weather Service.
The weather service’s latest forecast graphic issued at 7 p.m. shows the storm passing just south of Guam Saturday afternoon, with maximum sustained winds of 85 mph.
The weather services’s tracking forecast was modified several times today, with the predicted course moving from a direct hit on Rota this morning to a path that takes it south of Guam. The forecast could still change.
“Conditions could change during the night,” said meteorologist Chip Guard. “National Weather Service anticipates the storm slowing down during the night and we should know more about the exact track tomorrow morning.”
According to the weather service’s 8 p.m. online advisory, the tropical storm was positioned about 750 miles east-southeast of Guam. Maximum sustained winds was 45 mph.
The storm was moving west at 12 mph, with winds extending outward up to 60 miles from the center. The system is expected to turn to the west tonight and Thursday with a slight decrease in forward speed.
The storm is expected to bring rain showers and thunderstorms to Guam starting Friday, and winds are expected to strengthen over the weekend, said weather service meteorologist Brandon Aydlett. Inclement weather could extend into Monday, he said.
The island can expect up to 12 inches of rain over the weekend, Aydlett said Wednesday morning.
Several weekend events are postponed.
The Liberation Carnival will be closed Saturday, and the Fourth of July fireworks are tentatively postponed to Sunday. The carnival will remain open tomorrow and vendors will begin breaking down their booths Friday, said Sinajana Mayor Robert Hofmann, event planner for the carnival.
The Guam BBQ Block Party scheduled for Saturday has been postponed. The Guam Visitors Bureau will announce a new date when determined.