Hurricanes & Tropical Storms - April 2010
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.
Australian Basin
 Tropical Storm Robyn Satellite Image  Australian Scale Color Legend |
 Tropical Storm Robyn Track  Saffir-Simpson Scale Color Legend | ||||||||
| Tropical Cyclone | Robyn | ||||||||
| Cyclogenesis Date | 04/03 | ||||||||
| Cyclolysis Date | 04/06 | ||||||||
| Highest Australian Category | Cat 1 | Maximum Gust | 139 km/h | ||||||
| Highest Saffir-Simpson Category | TS | ||||||||
| Maximum 6-hr Sustained Wind | 69 mph (60 kt or 111 km/h) | ||||||||
| Min Pressure | 976 mbar | ||||||||
| Accumulated Cyclone Energy (ACE*) Index (kt2) | 3.1713 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 Sean Satellite Image Australian Scale Color Legend |
 Tropical Storm Sean Track Saffir-Simpson Scale Color Legend | ||||||||
| Tropical Cyclone | Sean | ||||||||
| Cyclogenesis Date | 04/22 | ||||||||
| Cyclolysis Date | 04/25 | ||||||||
| Highest Australian Category | Cat 2 | Maximum Gust | 130 km/h | ||||||
| Highest Saffir-Simpson Category | TS | ||||||||
| Maximum 6-hr Sustained Wind | 63 mph (55 kt or 102 km/h) | ||||||||
| Min Pressure | 987 mbar | ||||||||
| Accumulated Cyclone Energy (ACE*) Index (kt2) | 2.1113 x 104 | ||||||||
| Landfall Information (date, location and sustained winds) | N/A | ||||||||
| Deaths | N/A | ||||||||
| *The (ACE) Index calculations are based on preliminary data. | |||||||||
