1、1Natural Catastrophe ReviewExpert insights,lessons learned and outlookJanuary June IntroductionNatural peril reviewOutlook2TABLE OF CONTENTS1.Introduction 32.Natural peril review 82.1 The Los Angeles fires:Three questions you must ask about wildfire models 92.2 Managing the rising threat of wildfire

2、s in Southeast and East Asia 122.3 Slow-moving system triggers widespread flooding across the U.S.South and Midwest 152.4 Brisbane and Gold Coast damaged by first tropical cyclone in 50 years 192.5 Storm owyn:A timely reminder of the potential power of European windstorms 222.6 Long waves and tall b

3、uildings:Site effect considerations in catastrophe models following the Myanmar earthquake 263.Outlook 293.1 Another year of above-average North Atlantic hurricane activity but what is different this year?303.2 Five tips for making the most of El Nio and La Nia forecasts 32IntroductionNatural peril

4、reviewOutlook3IntroductionIntroductionNatural peril reviewOutlook4The Willis Natural Catastrophe Review is a biannual publication that provides insight into recent natural catastrophes and shares expert views on the risks posed by major perils.In this edition,we consider major catastrophes that shap

5、ed our view of risk during the first half of 2025(Figure 1).Our team of experts set out the causes and effects of those disasters but also goes beyond the headlines to identify the underlying factors that made them possible.The review also focuses on the outlook for the rest of the year and beyond,e

6、xploring potential threats from hurricanes,drought,flood and other hazards.Worldwide,insured losses from natural catastrophes now consistently exceed USD$100 billion per year.As recently as the previous decade,high loss years(2011 and 2017,most prominently)were intermingled with quiet years with mod