Hurricane (Typhoon), Northern Marianas
- When
- September 11, 5:00 AM SST to September 12, 12:00 AM SST
- Where
- Northern Marianas County, Agrihan
- Property damage
- $75,000
- Crop damage
- $50,000
- Reported by
- GOVT OFFICIAL
Damage to coconut trees.
Super Typhoon Oliwa (02C) began as a tropical depression in the central Pacific on August 28th. It became a tropical storm on September 3rd.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GUA wrote it up.
Super Typhoon Oliwa (02C) began as a tropical depression in the central Pacific on August 28th. It became a tropical storm on September 3rd. The tropical storm entered the Guam's Weather Office Area of Operations on the 4th. It became a typhoon on the 8th. The typhoon passed just 60 miles north of the islands of Agrihan in the northern Marianas Islands. Reports from Agrihan indicated winds of 75 mph with gust to 85 mph. Two coconut trees fell on the radio antenna and contact was lost with the island for a while. No injuries or deaths were reported. The typhoon passed out of the Guam Area of Operations on the 12th.Typhoon David (21W) formed as a tropical disturbance on the 9th. It became a tropical storm on the 12th just north of the Marshall Islands. David remained out over the open ocean and no damage was reported.David left the Guam Area of Responsibility on the 15th.Typhoon Ginger (24W) formed on the 21st. It became a tropical storm on the 24th northwest of the Marshall Islands. Ginger became a typhoon on the 25th. The typhoon stayed out over the open ocean and no damage was reported. The typhoon left the Guam Area of Operations on the 26th.
1 hurricane (typhoon). Local standard time, as filed.
Damage to coconut trees.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Guam in 1997Every state in 1997This day in weather historyWarnings in Guam, September 1997The 1997 hurricane season
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5623715.