Blogger Archives: Geoffrey Saville

Geoffrey Saville

Geoffrey Saville is a member of Willis Towers Watson's Analytics Technology Team, having joined the company in 2013 as the Willis Research Network’s Atmospheric Hub Leader. In this role, he coordinates the research into atmospheric and climate science to derive tangible outputs for Willis clients and the wider insurance industry. Geoff’s background is in meteorology, having worked with the UK Met Office and the Bermuda Weather Service

Latest on El Niño predictions for 2016: A looming La Niña?

El Niño and La Niña have well-established links to hurricane activity. The impact on the re/insurance sector depends on when the potential La Niña sets in. Continue reading →

How to model a windstorm

Storm Angus hit the U.K. earlier this month (also known as Nannette as designated by the Free University of Berlin). Although insurance industry losses are not expected have much impact on the reinsurance industry, the storm did produce high winds … Continue reading →

Space weather spawns earthbound risks

The University of Cambridge's scenario-based study examines the impacts and derived economic impacts from an extreme space weather event such as a solar storm. Continue reading →


The deadliest hurricane in 11 years has struck around a fortnight ago. After tearing a path through the Caribbean, across Haiti and Eastern Cuba, through the Bahamas and then along the east coast of the U.S., it was finally absorbed … Continue reading →

Winter storms and hurricanes, all of an afternoon

A forecast given by a long-range climate model differs to that of a short-range weather model, as it expresses the likelihood of all possible outcomes rather than just one solution. Continue reading →

Has hurricane season peaked?

As an ex-weather forecaster, and redoubled through my role working with the Willis Research Network, I have always been involuntarily drawn toward extreme weather. For me, the peak of hurricane season always brings both excitement and anticipation at the prospect … Continue reading →

A “drought” of major hurricane landfalls? Science weighs in.

Hurricane season is here. Tropical Storm Colin is the third named storm in the Atlantic basin this year, and has brought rough seas, heavy rain and flooding to Florida and parts of the east coast of the U.S. So far … Continue reading →

When Winter Storms Cross Territories

In the United Kingdom, 2015 left many with the struggle of recovering from flood waters after a series of severe storms brought gales and heavy rain to many parts. Continue reading →

After COP21 How Can Insurance Help us Adapt to Climate Change?

A mix of hype, excitement, cautious optimism, scepticism and just plain cynicism has purveyed the world of climate science and risk management following the latest (21st) Conference of the Parties in Paris, otherwise known as COP21. Continue reading →

Strongest El Niño in Decades

El Niño/Southern Oscillation (ENSO)

Seasonal forecasting is a developing science. Skill is required for the scientific production of the forecast, but also in interpreting the information. However, if there is ever going to be a good time to check these long range forecasts, it … Continue reading →

Posts by Author in Portuguese:

Como o seguro pode ajudar na adaptação às mudanças climáticas?

Um cenário de animação, otimismo cauteloso, ceticismo e cinismo foi difundido no mundo da ciência climática e gestão de risco, após a 21ª Conferência das Nações Unidas sobre Mudança do Clima, conhecida como COP21, que aconteceu recentemente em Paris. Continuar lendo →

Posts by Author in Spanish:

Huracán Matthew

El huracán más mortal en 11 años llegó hace unos veinte días. Después de hacerse camino a través del Caribe, por Haití y al oriente de Cuba, a través de las Bahamas y luego a lo largo de la costa este … Sigue Leyendo →

El Niño Más Fuerte Desde Hace Décadas

El Niño/Southern Oscillation (ENSO)

La predicción del tiempo es una ciencia en desarrollo que requiere cierta destreza no solo para la producción científica del pronóstico, sino también para la interpretación de la información. Sin embargo, si alguna vez habrá un buen momento para revisar … Sigue Leyendo →