Tropical storm Cindy has formed behind tropical storm Bret, in the first case of two storms in the tropical Atlantic in June since record keeping began, forecasters said Friday.
The historic event signals an early and aggressive start to the Atlantic hurricane season that began June 1 and whose peak usually runs from mid-August to mid-October. Forecasters blamed unusually high sea temperatures for the rare development.
The U.S. National Oceanic and Atmospheric Administration in Miami has forecast 12 to 17 named storms for this year’s hurricane season. It said between five and nine of those storms could become hurricanes, including up to four major hurricanes of Category 3 or higher.
Record North Atlantic warmth
CBC Nova Scotia meteorologist Ryan Snodden recently wrote about how record warmth in the North Atlantic is not good news for hurricane season.
Meteorologist Ryan Snoddon says climate change is a factor, but that there’s likely more going on.
Warmer tropical Atlantic Ocean waters typically lead to more tropical storms and hurricanes, with more fuel available for developing systems.
However, a rapidly developing El Niño may help counter any storms that do develop in the tropical Atlantic. El Niño events typically lead to stronger wind shear in the tropical Atlantic. This wind shear can suppress the development and growth of tropical storms.
Four people missing
Bret brought winds, heavy rain and swells of up to 4.5 metres early Friday to islands in the eastern Caribbean that shut down to prepare for potential landslides and flooding. Officials in the French Caribbean island of Martinique said they were searching for four people who apparently were aboard a lifeboat after their catamaran sank during the storm.
Power outages were reported in St. Vincent and the Grenadines, with at least 130 people seeking protection in government shelters as the storm washed away one home and caused severe damage to several others, according to officials.
Authorities in Barbados said they received more than a dozen reports of damage across the island, according to the Caribbean Disaster Emergency Management Agency.
The storm’s centre was west of St. Vincent and moving west into open waters at 30 km/h. Its maximum sustained winds were 95 km/h.
Airports, businesses, schools and offices closed on St. Vincent, St. Lucia, Dominica, Martinique and other islands by midday Thursday.
Ralph Gonsalves, prime minister for St. Vincent and the Grenadines, had urged people to go to shelters if they believed their home might not withstand the strong winds and heavy rains.
“These storms can turn around fairly quickly,” he said.
Forecasters had warned that the storm might pass directly over St. Lucia, which is north of St. Vincent, but its path shifted south.
“Protect your lives, property and livelihoods,” urged Prime Minister Philip Pierre on St. Lucia.
Authorities in St. Lucia opened one shelter at the request of some residents who feared their homes would not withstand the storm.
A tropical storm warning was still in effect for St. Vincent and the Grenadines.
Rainfall of eight to 15 centimetres was forecast from the French island of Guadeloupe south to St. Vincent and the Grenadines, including Barbados, the U.S. National Hurricane Center said. Dangerous surf was also a possibility, it warned.
Forecast to dissipate
Bret was expected to lose strength after entering the eastern Caribbean Sea and was forecast to dissipate by the weekend.
Meanwhile, Cindy’s maximum sustained winds were around 75 km/h early Friday, and forecasts called for some strengthening.
Cindy is expected to remain a tropical storm as it heads northeast into open waters.
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