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Giant Global Risk Carrier, Munich Re: North America Most Affected By Increase In Weather-Related Loss Events - $1,060bn

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17 October 2012  |  PRESS RELEASE

Giant Global Risk Carrier, Munich Re:  North America Most Affected By Increase In Weather-Related Natural Catastrophes

A new study by giant insurer, Munich Re, shows that North America has been most affected by weather-related extreme events in recent decades. The publication "Severe weather in North America" analyzes all kinds of weather perils and their trends. It reports and shows that the continent has experienced the largest increases in weather-related loss events.

For the period concerned -- 1980 to 2011 -- the overall loss burden from weather catastrophes was US $1,060 billion (in 2011 values).The insured losses amounted to US $510 billion, and some 30,000 people lost their lives due to weather catastrophes in North America during this time frame. With US $62.2 billion insured losses and overall losses of US $125 billion (in original values) Hurricane Katrina in 2005 was the costliest event ever recorded in the US. Katrina was also the deadliest single storm event, claiming 1,322 lives.

The study was prepared in order to support underwriters and clients in North America, the world's largest insurance and reinsurance market. Using its NatCatSERVICE -- with more than 30,000 records the most comprehensive loss data base for natural catastrophes -- Munich Re analyzes the frequency and loss trends of different perils from an insurance perspective. The North American continent is exposed to every type of hazardous weather peril -- tropical cyclone, thunderstorm, winter storm, tornado, wildfire, drought and flood. One reason for this is that there is no mountain range running east to west that separates hot from cold air.

Nowhere in the world is the rising number of natural catastrophes more evident than in North America. The study shows a nearly quintupled number of weather-related loss events in North America for the past three decades, compared with an increase factor of 4 in Asia, 2.5 in Africa, 2 in Europe and 1.5 in South America. Anthropogenic climate change is believed to contribute to this trend, though it influences various perils in different ways. Climate change particularly affects formation of heat-waves, droughts, intense precipitation events, and in the long run most probably also tropical cyclone intensity. The view that weather extremes are becoming more frequent and intense in various regions due to global warming is in keeping with current scientific findings, as set out in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) as well as in the special report on weather extremes and disasters (SREX). Up to now, however, the increasing losses caused by weather related natural catastrophes have been primarily driven by socio-economic factors, such as population growth, urban sprawl and increasing wealth.

Among many other risk insights the study now provides new evidence for the emerging impact of climate change. For thunderstorm-related losses the analysis reveals increasing volatility and a significant long-term upward trend in the normalized figures over the last 40 years. These figures have been adjusted to account for factors such as increasing values, population growth and inflation. A detailed analysis of the time series indicates that the observed changes closely match the pattern of change in meteorological conditions necessary for the formation of large thunderstorm cells. Thus it is quite probable that changing climate conditions are the drivers. The climatic changes detected are in line with the modelled changes due to human-made climate change.

The Head of Munich Re's Geo Risks Research unit, Prof. Peter Höppe, commented: "In all likelihood, we have to regard this finding as an initial climate-change footprint in our US loss data from the last four decades. Previously, there had not been such a strong chain of evidence. If the first effects of climate change are already perceptible, all alerts and measures against it have become even more pressing." Höppe continued that even without changing hazard conditions, increases in population, built-up areas and increasing values, particularly in hazard-prone regions, need to be on Munich Re's risk radar. All stakeholders should collaborate and close ranks to support improved adaptation. In addition, climate change mitigation measures should be supported to limit global warming in the long term to a still manageable level. "As North America is particularly exposed to all kinds of weather risks, it especially would benefit from this", added Höppe.

Peter Röder, Board member with responsibility for the US market, said: "Climate change-related increases in hazards -- unlike increases in exposure -- are not automatically reflected in the premiums. In order to realize a sustainable model of insurance, it is crucially important for us as risk managers to learn about this risk of change and find improved solutions for adaptation, but also mitigation. We should prepare for the weather risk changes that lie ahead, and nowhere more so than in North America."

Tony Kuczinski, CEO of Munich Reinsurance America, pointed out: "This publication represents another contribution to the global dialogue concerning weather-related activities and their causes. What is clearly evident when the longterm data is reviewed is that losses from weather events are trending upward. To simply say that this trend is a statistical anomaly or part of a long-term cycle of activity misses the point of these efforts -- we must set aside our biases and continue a meaningful dialogue in search of answers to mitigate the losses that we are experiencing."

Losses from weather related natural catastrophes:

Storms

Storms dominate the weather loss statistics; they account for 76% of overall losses (US $805 billion since 1980) and -- due to high insurance penetration -- for 89% of insured losses (US $454 billion). 2005 was the major hurricane year when Katrina, Rita and Wilma occurred and 2011 the record year for thunderstorm related losses, when the US suffered US $26 billion in insured property losses from that kind of events alone.

Tropical cyclones

Tropical cyclones can affect almost the entire North American East and Gulf Coasts -- especially if they develop into hurricanes. A main loss driver is the concentration of people and assets on the coast combined with high and possibly growing vulnerabilities. In recent years, not only high winds but storm surge risk has moved into focus, given that it carries an immense loss potential and is responsible for fatalities in high numbers. August 24, 2012 marked the 20th anniversary of Hurricane Andrew, the 20th century's most expensive hurricane, resulting in original losses of US $17 billion for the insurance industry. It was considered a wake-up-call. Following Andrew, US building codes were tightened and the insurance industry introduced complex risk models, while calling for stronger prevention measures. Therefore if an Andrew-type event occurred today affecting the same region, the normalized losses would probably be lower.

Thunderstorms

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I am told that when the winds picking up speed acr... by Fern Henley on Sunday, Oct 28, 2012 at 1:36:03 PM
At what point do the insurance actuaries crunch ... by Amanda Lang on Sunday, Oct 28, 2012 at 2:02:31 PM
just "warming up" to more serious disasters. ... by Daniel Geery on Sunday, Oct 28, 2012 at 7:36:16 PM