Tropical Storm Colin (2010)
| Tropical storm (SSHWS/NWS) | |
Colin shortly after regenerating into a tropical storm on August 5
|
|
| Formed | August 2, 2010 |
|---|---|
| Dissipated | August 9, 2010 |
| (Remnant low after August 8) | |
| Highest winds |
1-minute sustained: 60 mph (95 km/h) |
| Lowest pressure | 1005 mbar (hPa); 29.68 inHg |
| Fatalities | 1 direct |
| Damage | Minimal |
| Areas affected | Leeward Islands, Bermuda, The Carolinas and New England |
| Part of the 2010 Atlantic hurricane season | |
Tropical Storm Colin was a tropical cyclone that brought squally weather to Bermuda and caused extensive rip currents across the East Coast of the United States in August 2010. The fourth tropical cyclone and third named storm of the 2010 Atlantic hurricane season, Colin developed as a tropical depression from a low-pressure area in the central Atlantic on August 2. After forming, the storm initially strengthened gradually, attaining tropical storm status early on August 3. However, due to its acceleration to the west-northwest, Colin was unable to maintain a closed circulation and subsequently degenerated into a trough later that day. The National Hurricane Center noted the possibility of regeneration over subsequent days, and by August 5, Colin had once again become a tropical cyclone. Despite moderate wind shear impacting the system, Colin reached a peak intensity of 60 mph (95 km/h) on August 5. However, vertical wind shear prevented further intensification and eventually weakened the storm. By early on August 8, Colin had weakened to a tropical depression, and dissipated near Bermuda shortly after. Though it remained well offshore, Colin produced rough seas along the East Coast of the United States. At least 205 ocean rescues were made. In Bermuda, effects were generally minimal. Less than 1 inch (25 mm) of rain fell and winds remained below tropical storm force.
The origins of Tropical Storm Colin can be traced back to an elongated tropical wave that moved westward from Nigeria to Senegal on July 28. A nearly stationary trough separated from the wave as it continued westward. A larger tropical wave emerged off the west coast of Africa a few days later. A broad area of low pressure resulted from the consolidation of the two waves on August 1, when it was situated about 750 mi (1210 km) west-southwest of the Cape Verde Islands. Over the course of the next 24 hours, shower and thunderstorm activity became increasingly consolidated with the low, but the system lacked a well-defined circulation to be considered a tropical cyclone at the time. However, on the next day, an Advanced Scatterometer (ASCAT) pass revealed that the circulation center had become sufficiently defined, and the National Hurricane Center (NHC) initiated advisories on Tropical Depression Four at 1200 UTC on August 2. Further organization occurred as the depression moved around the southern periphery of a strong subtropical ridge. Thunderstorm activity became increasingly defined, and it is estimated that the depression became Tropical Storm Colin at 0600 UTC on August 3 while centered 840 mi (1350 km) east of the Lesser Antilles.
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