Annual Global Climate and Catastrophe Report: Impact ... - Aon
Annual Global Climate and Catastrophe Report: Impact ... - Aon
Annual Global Climate and Catastrophe Report: Impact ... - Aon
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AnnuAl GlobAl Cli mAte And C AtAstroph e r e port<br />
Atlantic Ocean Basin (ENSO)<br />
Figure 30: 25-Year Atlantic Hurricane Frequency By ENSO Phase<br />
During El Niño Phases:<br />
• Overall hurricane frequency decreases significantly<br />
• Category 3 (sustained winds of 111 mph (179 kph) or greater) hurricane frequency decreases<br />
• L<strong>and</strong>falling hurricane frequency remains near average<br />
During La Niña Phases:<br />
• Overall hurricane frequency increases significantly<br />
• Category 3 (sustained winds of 111 mph (179 kph) or greater) hurricane frequency increases<br />
• L<strong>and</strong>falling hurricane frequency increases<br />
During Neutral Phases:<br />
• Overall hurricane frequency remains near average<br />
• Category 3 (sustained winds of 111 mph (179 kph) or greater) hurricane frequency remains near average<br />
• L<strong>and</strong>falling hurricane frequency remains near average<br />
6 6<br />
Hurricanes Per Year<br />
12.0<br />
10.0<br />
8.0<br />
6.0<br />
44.0 0<br />
2.0<br />
0.0<br />
Hurricane Frequency Category 3+ Hurricane<br />
Frequency<br />
CCool l (L (La Nina) Ni )<br />
Neutral<br />
Warm (El Nino)<br />
25-Year Average<br />
L<strong>and</strong>falling Hurricane<br />
Frequency
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