An Early Start to Hurricane Season?

Tropical development in March? Its rare, but it could happen.

An area of low pressure currently located just North of Puerto Rico and Hispaniola is expected to move into the vicinity of the Bahamas early next week.  And the more reliable global model guidance has indicating for days that once it gets there, it could develop into a subtropical storm by Tuesday or Wednesday.

Sea surface temperature analysis as of 3/25/17 (source: Tropical Tidbits)

Several things would need to come together for this to happen, one of which is already in place: sea surface temperatures around 75 degrees.

If this were to occur, there would be no threat to land (except possibly Bermuda), and it would be the first March tropical system to develop in the Atlantic since an unnamed category 2 hurricane in 1908.

However, at this time, we don’t foresee a subtropical cyclone developing this upcoming week; but we will be monitoring the potential for this early start to the 2017 Atlantic Hurricane Season, which begins on June 1st.

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Caleb Carmichael
Caleb Carmichael

Caleb is the owner of Gulf Coast Storm Center. He is currently an undergraduate student at Mississippi State University majoring in geoscience with a concentration in broadcast and operational meteorology. While not yet a meteorologist, Caleb has been providing weather updates, news, and analysis for the Gulf Coast since 2014.

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