The North Atlantic, western North Pacific and northern Indian Ocean were among regions seeing slightly below -
average cyclone activity.
Not exact matches
The Accumulated
Cyclone Energy (ACE) index of tropical
cyclone activity also indicated a below -
average season in the North Atlantic.
-LSB-... and Atlantic
cyclone activity thereby decreased, on
average, whilst intensity may or may not be affected at all?]
The team then compared the oxygen isotope ratio for each year's wet season from 1990 to 2010 with a
cyclone activity index of the
average accumulated energy expended, based on factors such as number of
cyclones,
cyclone strength, size and time on storm track.
They found that
averaged sea surface temperatures over the MDR are the best predictor of Atlantic
cyclone activity, followed by global
average surface temperature, with MDR warming relative to the tropics being the worst predictor of hurricane
activity (Figure 1).
Cyclones elsewhere were often below -
average in their
activity, with few making landfall in the Pacific.
Graphic showing that we've been in an active period of tropical
cyclone activity since 1995, where the
average number of named tropical storms has jumped significantly to 15.2 per year.
In fact, global
cyclone activity has been below
average for the past 5 years.