Hurricanes & Tropical Storms - May 2011


NCDC added Alaska climate divisions to its nClimDiv dataset on Friday, March 6, 2015, coincident with the release of the February 2015 monthly monitoring report. For more information on this data, please visit the Alaska Climate Divisions FAQ.


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.

Northwest Pacific Basin

Aere
Tropical Storm Aere Satellite Image
Aere Track
Tropical Storm Aere Forecast Track


Safir Simpson Color Legend for Track Map from Unisys
Saffir-Simpson Scale Color Legend
Tropical Cyclone Summary
Tropical Cyclone Aere(Bebeng)
Cyclogenesis Date 05/07
Cyclolysis Date 05/12
Highest Saffir-Simpson Category TS
Maximum 6-hr Sustained Wind 57 mph (50 kt or 93 km/h)
Min Pressure 990 mbar
Accumulated Cyclone Energy (ACE*) Index (kt2) 2.6275 x 104
Landfall Information (date, location and sustained winds) 05/08 - northeastern Philippines (50 kt or 93 km/h)
Deaths 35
*The (ACE) Index calculations are based on preliminary data.


Songda
Tropical Storm Songda Satellite Image
Songda Track
Tropical Storm Songda Forecast Track


Safir Simpson Color Legend for Track Map from Unisys
Saffir-Simpson Scale Color Legend
Tropical Cyclone Summary
Tropical Cyclone Songda(Chedeng)
Cyclogenesis Date 05/20
Cyclolysis Date 05/29
Highest Saffir-Simpson Category Cat 5
Maximum 6-hr Sustained Wind 161 mph (140 kt or 259 km/h)
Min Pressure 920 mbar
Accumulated Cyclone Energy (ACE*) Index (kt2) 25.5450 x 104
Landfall Information (date, location and sustained winds)
Deaths 17
*The (ACE) Index calculations are based on preliminary data.

Citing This Report

NOAA National Centers for Environmental Information, State of the Climate: Hurricanes & Tropical Storms for May 2011, published online June 2011, retrieved on July 1, 2015 from http://www.ncdc.noaa.gov/sotc/tropical-cyclones/201105.