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.



South Indian Basin

Cleo
Tropical Storm Cleo Satellite Image
Cleo Track
Tropical Storm Cleo Track


Safir Simpson Color Legend for Track Map from Unisys
Saffir-Simpson Scale Color Legend
Tropical Cyclone Summary
Tropical Cyclone Cleo
Cyclogenesis Date 12/07
Cyclolysis Date 12/11
Highest Saffir-Simpson Category Cat 4
Maximum 6-hr Sustained Wind 132 mph (115 kt or 213 km/h)
Min Pressure 927 mbar
Accumulated Cyclone Energy (ACE*) Index (kt2) 8.9538 x 104
Landfall Information (date, location and sustained winds) N/A
Deaths N/A
*The (ACE) Index calculations are based on preliminary data.


David
Tropical Storm David Satellite Image
David Track
Tropical Storm David Track


Safir Simpson Color Legend for Track Map from Unisys
Saffir-Simpson Scale Color Legend
Tropical Cyclone Summary
Tropical Cyclone David
Cyclogenesis Date 12/20
Cyclolysis Date 12/25
Highest Saffir-Simpson Category TS
Maximum 6-hr Sustained Wind 63 mph (55 kt or 102 km/h)
Min Pressure 980 mbar
Accumulated Cyclone Energy (ACE*) Index (kt2) 4.6906 x 104
Landfall Information (date, location and sustained winds) N/A
Deaths N/A
*The (ACE) Index calculations are based on preliminary data.


North Indian Basin

Ward
Tropical Storm Ward Satellite Image
Ward Track
Tropical Storm Ward Track


Safir Simpson Color Legend for Track Map from Unisys
Saffir-Simpson Scale Color Legend
Tropical Cyclone Summary
Tropical Cyclone Ward
Cyclogenesis Date 12/11
Cyclolysis Date 12/13
Highest Saffir-Simpson Category TS
Maximum 6-hr Sustained Wind 58 mph (50 kt or 93 km/h)
Min Pressure 996 mbar
Accumulated Cyclone Energy (ACE*) Index (kt2) 1.7525 x 104
Landfall Information (date, location and sustained winds) N/A
Deaths N/A
*The (ACE) Index calculations are based on preliminary data.


South Pacific Basin

Mick
Tropical Storm Mick Satellite Image
Mick Track
Tropical Storm Mick Track


Safir Simpson Color Legend for Track Map from Unisys
Saffir-Simpson Scale Color Legend
Tropical Cyclone Summary
Tropical Cyclone Mick
Cyclogenesis Date 12/12
Cyclolysis Date 12/15
Highest Saffir-Simpson Category Cat 1
Maximum 6-hr Sustained Wind 75 mph (65 kt or 120 km/h)
Min Pressure 975 mbar
Accumulated Cyclone Energy (ACE*) Index (kt2) 3.0737 x 104
Landfall Information (date, location and sustained winds) N/A
Deaths N/A
*The (ACE) Index calculations are based on preliminary data.


Australian Basin

Laurence
Tropical Storm Laurence Satellite Image


Australian Scale Color Legend for Track Map from Unisys
Australian Scale Color Legend
Laurence Track
Tropical Storm Laurence Track


Safir Simpson Color Legend for Track Map from Unisys
Saffir-Simpson Scale Color Legend
Tropical Cyclone Summary
Tropical Cyclone Laurence
Cyclogenesis Date 12/13
Cyclolysis Date 12/21
Highest Australian Category Cat 4
Maximum Gust 259 km/h
Highest Saffir-Simpson Category Cat 3
Maximum 6-hr Sustained Wind 86 mph (115 kt or 213 km/h)
Min Pressure 996 mbar
Accumulated Cyclone Energy (ACE*) Index (kt2) 11.6444 x 104
Landfall Information (date, location and sustained winds) 12/15 - Mitchell River Nat'l Park, Western Australia (70 kt or 129 km/h
12/16 - Horizontal Fall, Western Australia (100 kt or 185 km/h)
12/21 - near Mandora Station, Western Australia (109 kt or 201 km/h)
Deaths N/A
*The (ACE) Index calculations are based on preliminary data.


Citing This Report

NOAA National Centers for Environmental Information, Monthly Tropical Cyclones Report for December 2009, published online January 2010, retrieved on April 20, 2024 from https://www.ncei.noaa.gov/access/monitoring/monthly-report/tropical-cyclones/200912.