 Cyclone Nancy on February 15 | |
| Meteorological history | |
|---|---|
| Formed | February 10, 2005 |
| Dissipated | February 17, 2005 |
| Category 4 severe tropical cyclone | |
| 10-minute sustained (FMS) | |
| Highest winds | 175 km/h (110 mph) |
| Lowest pressure | 935 hPa (mbar); 27.61 inHg |
| Category 4-equivalent tropical cyclone | |
| 1-minute sustained (SSHWS/JTWC) | |
| Highest winds | 230 km/h (145 mph) |
| Overall effects | |
| Fatalities | None reported |
| Areas affected | Cook Islands and American Samoa |
| IBTrACS | |
Part of the 2004–05 South Pacific cyclone season | |
Severe Tropical Cyclone Nancy (RSMC Nadi designation: 09F, JTWC designation: 18P) was the second in a series of four severe tropical cyclones to impact the Cook Islands during February 2005.[1] Forming out of an area of low pressure on February 10, Nancy quickly organized into a small, but intense, cyclone. By February 14, the storm explosively intensified into a Category 4 severe tropical cyclone with winds peaking at 175 km/h (109 mph) 10-minute winds)[nb 1] and a minimum barometric pressure of 935 hPa (mbar). Over the following day, increasing wind shear rapidly weakened the cyclone and by February 17, it transitioned into an extratropical cyclone shortly before being absorbed by Cyclone Olaf.
Already impacted by Cyclone Meena in early February, the Cook Islands sustained significant damage from Cyclone Nancy. Several homes were damaged and destroyed throughout the islands. Downed trees and power lines blocked roads and cut power and minor flooding was reported along coastal areas. Following the impact of the storm, the World Meteorological Organization retired the name Nancy in May 2006 and replaced it with the name Nat.
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