Active 2018 Hurricane Season Ends Nov. 30

news image
Special Stories
30 Nov 2018 8:23 AM
As the calendar turns to December, the official hurricane season comes to an end. NOAA defines hurricane season from June 1 through November 30. Though storms have formed outside of those dates, this is typically the time that activity in the tropical Atlantic and Eastern Pacific begins to wind down. The 2018 season will be remembered as an active season, with above average activity in both the Atlantic and Eastern Pacific basins. For others, the season will be remembered as a devastating year, with Hurricanes Michael and Florence causing extreme damage for parts of the Gulf Coast and Eastern Seaboard. https://www.youtube.com/watch?v=EZDiIPrd99Q&feature=youtu.be   As of November 30, there were 15 named storms in the tropical Atlantic basin and 22 in the eastern Pacific.   The numbers above account for named storms, which means winds in each storm reached a threshold of tropical storm force of 39 mph or greater. When a system becomes stronger and winds reach a threshold of 74 mph or greater, it is deemed a hurricane. At 111 mph mph sustained winds or higher, a system is considered a major hurricane. Here's how each basin breaks down into further categories. In the Eastern Pacific, there were 12 hurricanes of the 22 named storms, and 9 of those became major hurricanes. All of these numbers are considered above average. In the Atlantic, 8 hurricanes formed of the 15 named systems, and 2 of those became major hurricanes. Florence and Michael were the 2 major hurricanes that formed in the Atlantic this season. Due to the extensive damage caused by both storms, it's possible the names Florence and Michael will be retired from the list of Atlantic cyclone names (read more on retired names). All numbers in the Atlantic are also considered above average.   Read the National Hurricane Center season summary (released on November 1) for both the Atlantic and Eastern Pacific with specifics of each tropical cyclone.   Read NOAA's season summary for the Atlantic Season here on NOAA.gov
All Weather News
More
Record Heat Fuels Severe Storms in the Northeast

Record Heat Fuels Severe Storms in the Northeast

Summer heat has been building around the East

12 Jun 2026 12:30 PM
El Niño Forms, Very Strong El Niño Likely Late 2026

El Niño Forms, Very Strong El Niño Likely Late 2026

El Niño has arrived! It didn't take long for

12 Jun 2026 11:15 AM
First Disturbance of the 2026 Atlantic Hurricane Season Identified in the Gulf

First Disturbance of the 2026 Atlantic Hurricane Season Identified in the Gulf

AtlanticThe first disturbance out into the At

12 Jun 2026 10:45 AM
Tropical Moisture to Raise Flooding and Severe Concerns Across Central U.S.

Tropical Moisture to Raise Flooding and Severe Concerns Across Central U.S.

A surge of tropical moisture streaming north

12 Jun 2026 10:20 AM
East & West Coast Weekend Heat

East & West Coast Weekend Heat

Heat advisories have been expanding across th

12 Jun 2026 10:00 AM
Tropical Moisture Brings Increased Flood Risk

Tropical Moisture Brings Increased Flood Risk

With multiple rounds of heavy downpours acros

9 Jun 2026 10:40 AM
Severe Storms Repeat Daily Across the Plains

Severe Storms Repeat Daily Across the Plains

Severe storms developed today, as a particula

8 Jun 2026 1:25 AM