Hurricane (Typhoon), Northern Marianas
- When
- August 31, 4:00 AM SST to 11:59 PM SST
- Where
- Northern Marianas forecast zone
- Property damage
- $1.8 million
- Crop damage
- $700,000
- Reported by
- NWS STORM SURVEY
TYPHOON NABIThe disturbance that gave rise to Tropical Depression 14W developed rapidly about 600 miles east of Saipan in the Mariana Islands on Sunday evening August 28th. By 0400 SST on Tuesday the 30th, Tropical Storm Nabi was centered 375 miles east of Saipan, moving west at about 12 mph with maximum sustained winds of 45 mph.
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.
TYPHOON NABIThe disturbance that gave rise to Tropical Depression 14W developed rapidly about 600 miles east of Saipan in the Mariana Islands on Sunday evening August 28th. By 0400 SST on Tuesday the 30th, Tropical Storm Nabi was centered 375 miles east of Saipan, moving west at about 12 mph with maximum sustained winds of 45 mph. Around 1100 SST on the 31st, Typhoon Nabi was passing between Saipan and the actively volcanic island of Anatahan, with maximum sustained winds of 105 mph. By 1000 SST the morning of September 1st, Nabi was 325 miles west-northwest of Saipan, moving away at 15 mph. Nabi's passage through the Mariana Islands brought tropical storm conditions to Saipan and Tinian, and, to a lesser extent, to Rota and Guam. Saipan: Typhoon Nabi passed 35 miles north-northeast of Saipan at around 1100 SST on August 31st. At Saipan International Airport, the maximum sustained wind and peak gust were from the southwest at 59 mph and 75 mph at 1515 SST on the 31st. The lowest sea-level pressure of 978.8 mb occurred at 1054 SST. In the 24 hours ending at 2151 SST on the 31st, the airport recorded 6.82 inches of rain. Guam: Nabi passed 170 miles north-northeast of Guam at 1100 SST on the 31st. At Guam International Airport, the highest sustained wind was 36 mph from the southwest at 0952 SST on September 1st, while the peak gust of 45 mph, also from the southwest, occurred late the previous evening at 2348 SST. The highest sustained wind anywhere on the island was from the southwest at 43 mph, measured by the automated station at Apra Harbor at 2351 SST on the 31st. The highest peak gust was 63 mph from the south, measured by the automated station at Mangilao at 0651 SST on the 1st. STORM EFFECTS AND DAMAGESaipan: Two houses were completely destroyed, while 26 others sustained major damage that made them unlivable. Another 77 houses had minor damage; mostly water damage or damage to roofs and windows. Over 700 residents evacuated to temporary shelters. Agricultural crops were 70 to 80 percent destroyed. Damage to trees and other vegetation resulted in 600 tons of debris. There was an island-wide power outage, and sporadic water outages as well. Tinian: Three buildings were destroyed, and six more had major damage. Crop damage was likely extensive.Rota: Other than some local flooding and brief power outages, no significant damage was reported. Guam: Some class rooms at Untalan Middle School were flooded on September 1st, forcing the evacuation of hundreds of 6th grade students. Several roads were flooded for a few hours, and some brief power outages occurred on Aug 31st. Total damage is estimated at $2.5 million.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS GUA wrote its last area forecast discussion before the first event at Aug 30, 4:16 PM SST, 11 hours 44 minutes earlier.
AREA SYNOPTIC DISCUSSION NATIONAL WEATHER SERVICE TIYAN GU 1 PM GUAM LST WED AUG 31 2005 WESTERN NORTH PACIFIC BETWEEN THE EQUATOR AND 25N FROM 130E TO 180. THE CENTER OF TYPHOON NABI (14W)IS LOCATED 180 MILES NORTH OF GUAM AND 50 MILES NORTH OF SAIPAN NEAR 16N145E AND IS MOVING TOWARD NORTHWEST AT 10 MPH WITH MAXIMUM SUSTAINED WINDS OF 105 MPH. THIS IS NOW A CAT 2 TYPHOON. NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS ARE FOUND WITHIN 120 MILES OF THE CENTER. THIS AREA INCLUDES ROTA...TINIAN AND SAIPAN. SCATTERED SHOWERS AND THUNDERSTORMS EXTEND FARTHER OUT IN A SERIES OF RAIN BANDS BETWEEN 11N AND 21N FROM 141E TO 152E. ANOTHER EAST-WEST BAND CONTAINING SCATTERED SHOWERS AND THUNDERSTORMS EXIST WITHIN 150 MILES OF A LINE FROM 10N131E TO 10N148E. THIS INCLUDES YAP AND IS JUST NORTH OR PALAU. FOR MORE DETAILS ON TYPHOON NABI...SEE JOINT TYPHOON WARNING CENTER BULLETINS UNDER WMO HEADER WTPN31 PGTW. TO THE EAST OF TYPHOON NABI...AN AREA OF SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE OCCURRING BETWEEN 12N AND 21N FROM 157E TO 165E. THIS AREA IS BEING ENHANCED BY THE UPPER LEVEL OUTFLOW FROM THE TYPHOON AND AN UPPER-LEVEL LOW LOCATED NEAR 20N157E. AN AREA OF SCATTERED SHOWERS AND A FEW THUNDERSTORMS EXIST BETWEEN 20N AND 25N FROM 170E TO 175E. THIS AREA IS PRIMARILY BEING INFLUENCED BY ANOTHER UPPER-LEVEL SYSTEM. IN THE MARSHALL ISLANDS...TRADE WIND CONVERGENCE AND A WEAK CIRCULATION NEAR 6N176E IS PRODUCING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WITHIN 100 MILES OF A LINE FROM 5N168E TO 8N180.
2 hurricane (typhoon). Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Guam in 2005Every state in 2005This day in weather historyWarnings in Guam, August 2005The 2005 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: 5474198, 5474199.