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36m ago

Two Atlantic Systems Poised To Form as Hurricane Gabrielle Nears Azores

Forecasters warn of rapidly changing tracks driven by close proximity plus uncertain steering.

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Category 3 Hurricane Gabrielle is seen in this weather satellite photo taken Wednesday as it churns through the North Atlantic. Gabrielle, only the second hurricane of the season, has prompted hurricane warnings for the Azores in the eastern Atlantic.
Circles are superimposed on this weather satellite photo taken Wednesday morning to help identify, from left, Invest 94L near Puerto Rico and Invest 93L east of the Leeward Islands. Each system is expected to become a tropical depression in the next seven days, but Invest 93L is likely to do so by Thursday.

Overview

  • The National Hurricane Center places formation odds at 80% in 48 hours and 90% in seven days for Invest 93L, and 30% and 80% for Invest 94L, with the next names on the list being Humberto and Imelda.
  • Gabrielle remains a Category 3 with 115 mph winds and is forecast to move across the Azores Thursday night into Friday under hurricane warnings.
  • Swells from Gabrielle are generating life‑threatening surf and rip currents for Bermuda, the U.S. East Coast from North Carolina northward, and Atlantic Canada.
  • Invest 93L, several hundred miles east of the Leeward Islands, is becoming better organized while tracking west‑northwest to northwest, likely passing north of the islands and potentially near Bermuda.
  • Invest 94L is spreading heavy rain and gusty winds into Puerto Rico, the Virgin Islands and the Dominican Republic and could develop near the Bahamas later this week, with possible system interaction complicating any U.S. risk assessment.