articleThe Brief Hurricane Gabrielle has rapidly intensified into a Category 4 storm, but it is not a direct threat to the U.S. at this moment. Two new systems, designated Invest 93L and Invest 94L, are being monitored and have the potential to develop into tropical storms. While Hurricane Gabrielle remains a powerful Category 4 storm in the Atlantic, two other tropical systems are developing closer to the U.S. East Coast, raising new concerns for forecasters and residents. What we know:According to FOX Weather, Hurricane Gabrielle has rapidly intensified into a "monstrous" Category 4 hurricane, making it the second major hurricane of the 2025 Atlantic season. If either of the systems develops into a tropical storm, the next names on the 2025 Atlantic hurricane season list are Humberto and Imelda.