Note: This report catalogs recent tropical cyclones across the North Atlantic and East Pacific and places each basin’s tropical cyclone activity in a climate-scale context. It is not updated in real time. Users seeking the real time status and forecasts of tropical cyclones should visit The National Hurricane Center.
West North Pacific Basin
![]() Tropical Storm Washi Satellite Image |
![]() Tropical Storm Washi Forecast Track ![]() Saffir-Simpson Scale Color Legend |
Tropical Cyclone | Washi(Sendong) | ||||||||
Cyclogenesis Date | 12/14 | ||||||||
Cyclolysis Date | 12/19 | ||||||||
Highest Saffir-Simpson Category | TS | ||||||||
Maximum 6-hr Sustained Wind | 63 mph (55 kt or 102 km/h) | ||||||||
Min Pressure | 996 mbar | ||||||||
Accumulated Cyclone Energy (ACE*) Index (kt2) | 3.7425 x 104 | ||||||||
Landfall Information (date, location and sustained winds) | N/A | ||||||||
Deaths | 957 | ||||||||
*The (ACE) Index calculations are based on preliminary data. |
North Indian Basin
![]() Tropical Storm Thane Satellite Image |
![]() Tropical Storm Thane Forecast Track ![]() Saffir-Simpson Scale Color Legend |
Tropical Cyclone | Thane | ||||||||
Cyclogenesis Date | 12/25 | ||||||||
Cyclolysis Date | 12/30 | ||||||||
Highest Saffir-Simpson Category | Cat 1 | ||||||||
Maximum 6-hr Sustained Wind | 92 mph (80 kt or 148 km/h) | ||||||||
Min Pressure | 976 mbar | ||||||||
Accumulated Cyclone Energy (ACE*) Index (kt2) | 6.6450 x 104 | ||||||||
Landfall Information (date, location and sustained winds) | 12/30 –Tamil Nadu, India (65 kt or 120 km /h) | ||||||||
Deaths | 46 | ||||||||
*The (ACE) Index calculations are based on preliminary data. |
South Indian Basin
![]() Tropical Storm Benilde Satellite Image |
![]() Tropical Storm Benilde Forecast Track ![]() Saffir-Simpson Scale Color Legend |
Tropical Cyclone | Benilde | ||||||||
Cyclogenesis Date | 12/28 | ||||||||
Cyclolysis Date | 01/04 | ||||||||
Highest Saffir-Simpson Category | Cat 2 | ||||||||
Maximum 6-hr Sustained Wind | 104 mph (90 kt or 167 km/h) | ||||||||
Min Pressure | 968 mbar | ||||||||
Accumulated Cyclone Energy (ACE*) Index (kt2) | 11.0225 x 104 | ||||||||
Landfall Information (date, location and sustained winds) | N/A | ||||||||
Deaths | 0 | ||||||||
*The (ACE) Index calculations are based on preliminary data. |
Australian Basin
![]() Tropical Storm Alenga Satellite Image ![]() Australian Scale Color Legend |
![]() Tropical Storm Alenga Track ![]() Saffir-Simpson Scale Color Legend |
Tropical Cyclone | Alenga | ||||||||
Cyclogenesis Date | 12/05 | ||||||||
Cyclolysis Date | 12/09 | ||||||||
Highest Australian Category | Cat 2 | Maximum Gust | 150 km/h | ||||||
Highest Saffir-Simpson Category | Cat 2 | ||||||||
Maximum 6-hr Sustained Wind | 109 mph (95 kt or 176 km/h) | ||||||||
Min Pressure | 968 mbar | ||||||||
Accumulated Cyclone Energy (ACE*) Index (kt2) | 6.4850 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 Grant Satellite Image ![]() Australian Scale Color Legend |
![]() Tropical Storm Grant Track ![]() Saffir-Simpson Scale Color Legend |
Tropical Cyclone | Grant | ||||||||
Cyclogenesis Date | 12/25 | ||||||||
Cyclolysis Date | 12/25 | ||||||||
Highest Australian Category | Cat 1 | Maximum Gust | 100 km/h | ||||||
Highest Saffir-Simpson Category | TS | ||||||||
Maximum 6-hr Sustained Wind | 46 mph (40 kt or 74 km/h) | ||||||||
Min Pressure | 978 mbar | ||||||||
Accumulated Cyclone Energy (ACE*) Index (kt2) | 6.4850 x 104 | ||||||||
Landfall Information (date, location and sustained winds) | 12/25–Northern Territory (40 kt or 74 km /h) | ||||||||
Deaths | N/A | ||||||||
*The (ACE) Index calculations are based on preliminary data. |