Tropical Storm Champi moved across the Marianas during the middle of October.

Tropical Storm in ROTA, GUAM
From 16-OCT-15 00:00:00 to 17-OCT-15 12:00:00 (GST10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

On the night of October 13, Tropical Depression 25W formed 1080 miles east of Guam. Twenty-four hours later on the night of the 24th, the depression intensified enough to become Tropical Storm Champi.
Tropical Storm Champi moved across the Marianas on the 16th, passing 65 miles north of Saipan during that afternoon.
Winds varied across the Marianas as some of the gusts occurred in shower bands south of the tropical storm.
An automated weather station on Rota recorded maximum sustained winds of 32 knots (37 mph) just after 6 pm on the 16th with a gust to 47 knots (54 mph) at 4:30 pm. Lowest SLP was 996.5 mb.
Rainbands associated with Tropical Storm Champi produced heavy rain in some areas. The automated weather station on Rota recorded 8.01 inches of rain on the
16th.

Tropical Storm in GUAM, GUAM
From 16-OCT-15 00:00:00 to 17-OCT-15 14:00:00 (GST10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

On the night of October 13, Tropical Depression 25W formed 1080 miles east of Guam. Twenty-four hours later on the night of the 24th, the depression intensified enough to become Tropical Storm Champi.
Tropical Storm Champi moved across the Marianas on the 16th, passing 65 miles north of Saipan during that afternoon. Winds varied across the Mariana Islands as some of the strongest gusts occurred in shower bands south of the tropical storm.
Across Guam, the maximum sustained wind recorded was 30 knots (35mph) at 10:54 local time. Peak wind over Guam occurred later on the morning of the 17th at 3:32 am local time with a gust to 48 knots (55 mph). The lowest SLP was 999.1mb

Across northern Guam, Andersen AFB observed maximum sustained winds of 36 knots (41 mph) at around 7 pm on the 16th with a peak wind gust of 49 knots (56 mph) at 10:50 am on the 16th. Lowest SLP was 998.3 mb
The inclement weather associated with Champi's passage caused the cancellation
or delay of several airline flights.

Tropical Storm in SAIPAN, GUAM
From 16-OCT-15 00:00:00 to 17-OCT-15 12:00:00 (GST10)
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

On the night of October 13, Tropical Depression 25W formed 1080 miles east of Guam. Twenty-four hours later on the night of the 24th, the depression intensified enough to become Tropical Storm Champi.
Tropical Storm Champi moved across the Marianas on the 16th, passing 65 miles north of Saipan during that afternoon.
Winds varied across the Marianas as some of the gusts occurred in shower bands south of the tropical storm. At Saipan, maximum sustained winds were 42 knots (48 mph) at 2 and 3 pm on the 16th with a peak gust to 68 knots (78 mph) at 1:32 pm. Lowest SLP was 991.6 mb
Rainbands associated with Tropical Storm Champi produced heavy rain in some areas. On Saipan at the International AIrport, 10.60 inches of rain fell on the 16th. This rain caused flooding, which damaged portions of Kanat Tabla Road on Saipan.
The inclement weather associated with Champi's passage caused the cancellation
or delay of several airline flights.

Tropical Storm in NORTHERN MARIANAS, GUAM
From 16-OCT-15 00:00:00 to 17-OCT-15 12:00:00 (GST10)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

On the night of October 13, Tropical Depression 25W formed 1080 miles east of Guam. Twenty-four hours later on the night of the 24th, the depression intensified enough to become Tropical Storm Champi.
Tropical Storm Champi moved across the Marianas on the 16th, passing 65 miles north of Saipan during that afternoon.
Winds varied across the Marianas as some of the gusts occurred in shower bands south of the tropical storm.
An Automated weather station at Tinian recorded maximum sustained winds of 39 knots (45 mph) at 4:30 pm on the 16th with gust to 63 knots (73 mph) at 2 pm. Lowest SLP was 989.2 mb.
Rainbands associated with Tropical Storm Champi produced heavy rain in some areas. The rainfall was the most intense on Tinian with 26.25 inches of rain falling between 6 pm on the 15th and midnight on the 17th (30 hours). The automated weather station on Tinian produces 15-minute rainfall information. On the 16th, very high 15-minute rainfall totals were observed between 1145 am and 1 pm where over an inch of rain fell during five 15-minute periods.