Science

Tropical Storm Colin Forms Near Coast of South Carolina

Tropical Storm Colin formed early on Saturday morning just off the coast of South Carolina, becoming the third named storm of the 2022 Atlantic hurricane season and threatening to drench outdoor activities over the long Independence Day weekend.

The storm, something of a surprise, formed hours after Tropical Storm Bonnie made landfall in Nicaragua.

Colin could weaken to a tropical depression on Saturday night or Sunday, and the system was expected to dissipate by Sunday night, the National Hurricane Center said on Saturday night.

The storm was expected to produce locally heavy rainfall across the coasts of North Carolina and northern South Carolina through Sunday morning, the center said. Some areas of eastern North Carolina could get as much as four inches of rain, resulting in flash flooding.

The Hurricane Center said that, as of Saturday afternoon, Colin had “lost organization.”

Earlier on Saturday, heavy rains and strong winds continued along the coast. Maximum sustained winds remained near 40 miles per hour.

The National Weather Service warned that strong winds could damage porches and unanchored mobile homes, break off large tree limbs and make some roads impassible because of debris.

It had been a quiet few weeks for the Atlantic hurricane season, after Tropical Storm Alex formed on June 5 and moved through South Florida shortly after.

This year, meteorologists predict the season — which runs through Nov. 30 — will produce 14 to 21 named storms. Six to 10 of them are expected to become hurricanes, and up to six of those are forecast to strengthen into major hurricanes, classified as Category 3 storms with winds of at least 111 mph

Last year, there were 21 named storms, after a record-breaking 30 in 2020. For the past two years, meteorologists have exhausted the list of names used to identify storms during the Atlantic hurricane season, an occurrence that has happened only one other time , in 2005.

The links between hurricanes and climate change have become clearer with each passing year.

Data shows that hurricanes have become stronger worldwide during the past four decades. A warming planet can expect stronger hurricanes over time, and a higher incidence of the most powerful storms — though the overall number of storms could drop, because factors like stronger wind shear could keep weaker storms from forming.

Hurricanes are also becoming wetter because of more water vapor in the warmer atmosphere. Scientists have suggested storms like Hurricane Harvey in 2017 produced far more rain than they would have without the human effects on climate. Also, rising sea levels are contributing to higher storm surges — the most destructive element of tropical cyclones.

april rubin contributed reporting.

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