List of storms named Gamma

Last updated June 25, 2023

The name Gamma has been used for two tropical cyclones in the Atlantic Ocean.

Tropical Storm Gamma (2005), a late season tropical storm that produced locally heavy rainfall and flooding in Honduras and Belize.
Hurricane Gamma (2020), a Category 1 hurricane that brought heavy rains, floods, and landslides to the Yucatán Peninsula.

This article includes a list of named storms that share the same name (or similar names).
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended storm article.

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Tropical Storm Gamma was the 25th storm of the 2005 Atlantic hurricane season. Gamma formed on November 18 from a tropical wave which had left the coast of Africa on November 3. Between November 13 and November 16 the system was designated Tropical Depression Twenty-Seven and moved westward through the Windward Islands into the Caribbean. Although its winds were not of tropical storm force, the storm brought damagingly heavy rainfall to Trinidad and to St. Vincent and the Grenadines.

Tropical Storm Arthur was the first Atlantic tropical storm that formed during the month of May since 1981. The first tropical cyclone of the 2008 Atlantic hurricane season, the storm formed on May 30, 2008 from the interaction of two tropical waves and the remnants of the eastern Pacific Tropical Storm Alma, which had crossed into the western Caribbean Sea. The system quickly organized and was named Tropical Storm Arthur on May 31, while crossing the shore of Belize. It dissipated two days later over the Yucatán Peninsula in Mexico. Arthur and its remnants triggered severe flooding which killed a reported nine people and affected 100,000 more in Belize. Damage was light to moderate, estimated at $78 million (2008 USD).

The 2020 Atlantic hurricane season was the most active Atlantic hurricane season on record, in terms of number of systems. It featured a total of 31 tropical or subtropical cyclones, with all but one cyclone became a named storm. Of the 30 named storms, 14 developed into hurricanes, and a record-tying seven further intensified into major hurricanes. It was the second and final season to use the Greek letter storm naming system, the first being 2005, the previous record. Of the 30 named storms, 11 of them made landfall in the contiguous United States, breaking the record of nine set in 1916. During the season, 27 tropical storms established a new record for earliest formation date by storm number. This season also featured a record 10 tropical cyclones that underwent rapid intensification, tying it with 1995, as well as tying the record for most Category 4 hurricanes in a singular season in the Atlantic Basin. This unprecedented activity was fueled by a La Niña that developed in the summer months of 2020 as it did, continue a stretch of above-average seasonal activity that began in 2016. Despite the record-high activity, this was the first season since 2015 in which no Category 5 hurricane formed.

Honduras, officially the Republic of Honduras, is a country in Central America. To the west of Honduras is Guatemala, to the south is Nicaragua, to the southwest is El Salvador, and to the north is the Caribbean Sea.

Hurricane Gamma was a Category 1 hurricane that brought heavy rains, flooding, and landslides to the Yucatán Peninsula in early October 2020. The twenty-fifth depression, twenty-fourth named storm and ninth hurricane of the extremely active 2020 Atlantic hurricane season, Gamma developed from a vigorous tropical wave that had been monitored as it was entering the Eastern Caribbean on September 29. The wave moved westward and slowed down as it moved into the Western Caribbean, where it began to interact with a dissipating cold front. A low formed within the disturbance on October 1 and the next day, it organized into a tropical depression. It further organized into Tropical Storm Gamma early the next day. It continued to intensify and made landfall as a minimal hurricane near Tulum, Mexico, on October 3. It weakened over land before reemerging in the Gulf of Mexico. Gamma then briefly restrengthened some before being blasted by high amounts of wind shear, causing it to weaken again. It made a second landfall as a tropical depression in Nichili, Mexico on October 6 before dissipating as it was absorbed by the approaching Hurricane Delta.

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