Dennis Mersereau

1 week ago | ca.news.yahoo.com | Dennis Mersereau

Hurricane Erick made history Thursday when it struck the western coast of Mexico as a major Category 3 storm with maximum sustained winds of 205 km/h. The storm, which rapidly intensified in the hours before landfall, is by far the earliest major hurricane on record to strike land in the eastern Pacific. The eastern Pacific hurricane season is off to a busy start. Erick is the basin’s fifth named storm, and it's the earliest “E” storm ever observed in the region.

1 week ago | ca.news.yahoo.com | Dennis Mersereau

Rapid intensification of hurricanes is a pressing matter for communities along the Atlantic coasts. Every season for the past decade, we’ve seen at least one storm undergo a period of explosive strengthening—often right as it’s approaching landfall. Experts are determined to understand the root causes of rapid intensification in order to improve forecasts before these deadly storms swirl ashore.

1 week ago | ca.news.yahoo.com | Dennis Mersereau

What’s the wettest month in your corner of Canada? What’s the wettest month in your corner of Canada? Canada’s climate supports everything from the heaviest tropical downpours to raging blizzards that bury communities beneath mountains of snow. Steady rain and snow greet the country throughout the year, but most communities across Canada witness a distinct peak in precipitation trends. Here’s a look at the wettest month of the year in your corner of Canada.

1 week ago | ca.news.yahoo.com | Dennis Mersereau

The rich plant life that makes up the Amazon rainforest contributes a significant amount of water vapour to Earth’s atmosphere. A recent study found that extensive deforestation here has caused a measurable drop in precipitation across the region. Published in April, the new research highlights how human activities can directly alter the climate beyond the effects of greenhouse gases.

2 weeks ago | ca.news.yahoo.com | Dennis Mersereau

Weather and geology collided in the middle of June 1991 when a typhoon swirled over one of the most powerful volcanic eruptions in living memory. The island of Luzon dealt with two disasters at once that week. Mount Pinatubo erupted over the course of three days, culminating in a cataclysmic blast on June 15—the very same day Typhoon Yunya swept across the region. Heavy rains and gusty winds made the effects of this powerful volcanic eruption even worse.