CHARLOTTE, N.C. — Hurricane Beryl was the first category 4 hurricane on record to develop during the month of June, then was named a category 5 hurricane in the 11 p.m. advisory on July 1. The only other category 5 in July was Emily in 2005, which peaked as a 5 on July 17 that year.
Before it strengthened into a named storm, it was a tropical wave between the coast of Africa and the Caribbean. Part of Beryl's legacy is just how quickly it developed and organized into a tropical depression, then a tropical storm and quickly formed into a hurricane.
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Rapid intensification
Hurricane Beryl underwent a weather phenomenon known as rapid intensification, a process that occurs when a tropical system max sustained winds increase by at least 35 miles per hour within a 24-hour period.
Rapid intensification can pose a much bigger threat to life and property because those in its path will have less time to prepare for the intensity and impacts of the storm.
Warmer than average sea-surface temperatures play a key role in the rapid intensification process. Water temperatures of 80 degrees or warmer can provide a source of high moisture content coupled with low wind shear and decreasing pressure will accelerate the winds causing the hurricane to rapidly develop.
Beryl Landfall
Beryl made landfall on Carriacou Island Monday, July 1, 2024 with max sustained winds of 150 mph. The historic hurricane intensified from a tropical depression to a major hurricane in less than 48 hours. A storm of category intensity can produce catastrophic damage including life-threatening storm surge.
A closer look at tropical activity in June shows Beryl is the only category 4 to form in June. Beryl is historic for intensifying into a category 4 near the southern Caribbean at this stage in the season. In 2005, Hurricane Dennis strengthened into a category 4 storm on July 8.
June Storm Activity
- 83 Tropical Storms
- 22 Category 1
- 11 Category 2
- 4 Category 3
- 1 Category 4
Category 4 hurricanes typically occur later in the season during the month of September, which is around peak hurricane season.
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