Hurricanes & Tropical Storms - February 2011
Note: This report catalogs recent tropical cyclones and places each basin's tropical cyclone activity in a climate-scale context. It is not updated in real time. Users seeking real time status and forecasts of tropical cyclones should visit The National Hurricane Center.
South Pacific Basin
 Tropical Storm Zaka Satellite Image |
 Tropical Storm Zaka Forecast Track  Saffir-Simpson Scale Color Legend |
| Tropical Cyclone | Zaka | ||||||||
| Cyclogenesis Date | 02/06 | ||||||||
| Cyclolysis Date | 02/07 | ||||||||
| Highest Saffir-Simpson Category | TS | ||||||||
| Maximum 6-hr Sustained Wind | 52 mph (45 kt or 83 km/h) | ||||||||
| Min Pressure | 985 mbar | ||||||||
| Accumulated Cyclone Energy (ACE*) Index (kt2) | .8063 x 104 | ||||||||
| Landfall Information (date, location and sustained winds) | N/A | ||||||||
| Deaths | 0 | ||||||||
| *The (ACE) Index calculations are based on preliminary data. | |||||||||
 Tropical Storm Atu Satellite Image |
 Tropical Storm Atu Forecast Track Saffir-Simpson Scale Color Legend |
| Tropical Cyclone | Atu | ||||||||
| Cyclogenesis Date | 02/18 | ||||||||
| Cyclolysis Date | 02/23 | ||||||||
| Highest Saffir-Simpson Category | Cat 4 | ||||||||
| Maximum 6-hr Sustained Wind | 132 mph (115 kt or 213 km/h) | ||||||||
| Min Pressure | 940 mbar | ||||||||
| Accumulated Cyclone Energy (ACE*) Index (kt2) | 14.0375 x 104 | ||||||||
| Landfall Information (date, location and sustained winds) | N/A | ||||||||
| Deaths | 0 | ||||||||
| *The (ACE) Index calculations are based on preliminary data. | |||||||||
South Indian Basin
 Tropical Storm Bingiza Satellite Image |
 Tropical Storm Bingiza Forecast Track Saffir-Simpson Scale Color Legend |
| Tropical Cyclone | Bingiza | ||||||||
| Cyclogenesis Date | 02/09 | ||||||||
| Cyclolysis Date | 02/17 | ||||||||
| Highest Saffir-Simpson Category | Cat 3 | ||||||||
| Maximum 6-hr Sustained Wind | 115 mph (100 kt or 185 km/h) | ||||||||
| Min Pressure | 953 mbar | ||||||||
| Accumulated Cyclone Energy (ACE*) Index (kt2) | 11.3731 x 104 | ||||||||
| Landfall Information (date, location and sustained winds) | 02/14 – northeastern Madagascar (86 kt or 160 km/h) | ||||||||
| Deaths | 0 | ||||||||
| *The (ACE) Index calculations are based on preliminary data. | |||||||||
Australian Basin
 Tropical Storm Carlos Satellite Image  Australian Scale Color Legend |
 Tropical Storm Carlos Track Saffir-Simpson Scale Color Legend | ||||||||
| Tropical Cyclone | Carlos | ||||||||
| Cyclogenesis Date | 02/15 | ||||||||
| Cyclolysis Date | 02/26 | ||||||||
| Highest Australian Category | Cat 1 | Maximum Gust | 148 km/h | ||||||
| Highest Saffir-Simpson Category | TS | ||||||||
| Maximum 6-hr Sustained Wind | 75 mph (65 kt or 120 km/h) | ||||||||
| Min Pressure | 968 mbar | ||||||||
| Accumulated Cyclone Energy (ACE*) Index (kt2) | 6.5963 x 104 | ||||||||
| Landfall Information (date, location and sustained winds) | 02/16 – northeastern Australia (35 kt or 65 km/h) | ||||||||
| Deaths | N/A | ||||||||
| *The (ACE) Index calculations are based on preliminary data. | |||||||||
 Tropical Storm Dianne Satellite Image Australian Scale Color Legend |
 Tropical Storm Dianne Track Saffir-Simpson Scale Color Legend | ||||||||
| Tropical Cyclone | Dianne | ||||||||
| Cyclogenesis Date | 02/16 | ||||||||
| Cyclolysis Date | 02/22 | ||||||||
| Highest Australian Category | Cat 3 | Maximum Gust | 194 km/h | ||||||
| Highest Saffir-Simpson Category | Cat 2 | ||||||||
| Maximum 6-hr Sustained Wind | 98 mph (85 kt or 157 km/h) | ||||||||
| Min Pressure | 962 mbar | ||||||||
| Accumulated Cyclone Energy (ACE*) Index (kt2) | 9.1006 x 104 | ||||||||
| Landfall Information (date, location and sustained winds) | N/A | ||||||||
| Deaths | N/A | ||||||||
| *The (ACE) Index calculations are based on preliminary data. | |||||||||
 Tropical Storm Yasi Satellite Image Australian Scale Color Legend |
 Tropical Storm Yasi Track Saffir-Simpson Scale Color Legend | ||||||||
| Tropical Cyclone | Yasi | ||||||||
| Cyclogenesis Date | 01/30 | ||||||||
| Cyclolysis Date | 02/03 | ||||||||
| Highest Australian Category | Cat 5 | Maximum Gust | 306 km/h | ||||||
| Highest Saffir-Simpson Category | Cat 4 | ||||||||
| Maximum 6-hr Sustained Wind | 155 mph (135 kt or 250 km/h) | ||||||||
| Min Pressure | 922 mbar | ||||||||
| Accumulated Cyclone Energy (ACE*) Index (kt2) | 15.0594 x 104 | ||||||||
| Landfall Information (date, location and sustained winds) | 02/3 - Queensland, Australia (125 kt or 232 km/h) | ||||||||
| Deaths | 1 | ||||||||
| *The (ACE) Index calculations are based on preliminary data. | |||||||||
