Pacific ENSO Update
3rd Quarter, 2007 Vol. 13 No. 3
American Samoa: Rainfall for the 2nd quarter of 2007 alternated from very dry conditions in April, to above-normal rainfall in May, and back to drier conditions in June. In April, Pago Pago recorded 42% of normal rainfall while Aasufou received 62% of normal rainfall. May was considerably wetter for both locations, with 166% of normal rainfall at Pago Pago International Airport and 148% of normal at Aasufou. June marked a return to dry conditions for Pago Pago with 58% of normal rainfall, while Aasufou received near normal rainfall for the month. Although American Samoa received an abundant amount of rainfall in May, there were no recorded flood advisories, warnings or any damages reported. The six month total of 127.38 inches at Aasufou was the highest value received by the PEAC for any U.S. Affiliated Pacific Island Station. — WSO Pago Pago
American Samoa Rainfall Summary 2nd Quarter 2007
Climate Outlook: American Samoa is now entering the heart of its next dry season (July to September 2007). With forecast models favoring ENSO-neutral conditions for the next 1-3 months, American Samoa should experience near normal rainfall conditions for the 3rd quarter.
Given the time of year and current status of ENSO, there is no threat of a damaging tropical cyclone affecting any of the Samoan Islands at least until after the onset of the next rainy season.
Forecast rainfall for American Samoa from August 2007 through July 2008 is as follows: