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Revision as of 22:56, 28 December 2021
 | This article needs additional citations for verification. (December 2021) |
| BiddybudBoy/sandbox/2023 Atlantic draft | |
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| Seasonal boundaries | |
| First system formed | Season not started |
| Last system dissipated | Season not started |
| Seasonal statistics | |
| Total fatalities | None |
| Total damage | None |
| Related articles | |
The 2023 Atlantic hurricane season is a future event in the annual tropical cyclone season in the Northern Hemisphere. The season officially begins on June 1, 2023, and ends on November 30, 2023. These dates historically describe the period each year when most tropical cyclones form in the Atlantic basin and are adopted by convention. However, the formation of tropical cyclones is possible at any time of the year.
Since the previous season, the National Hurricane Center (NHC) began issuing regular Tropical Weather Outlooks on May 15, two weeks earlier than it has done in the past. The change was implemented given that named systems had formed in the Atlantic Ocean prior to the start of the season in each of the preceding seven cycles.
Seasonal forecasts
| Source | Date | Named storms |
Hurricanes | Major hurricanes | |
| Average (1991–2020) | 14.4 | 7.2 | 3.2 | [1] | |
| Record high activity | 30 | 15 | 7† | [2] | |
| Record low activity | 4 | 2† | 0† | ||
| ––––––––––––––––––––––––––––––––––––––––––––––––––––––– | |||||
| CSU | December 8, 2022 | 15–18 | 7–10 | 3–5 | |
| TSR | December 9, 2022 | 17 | 9 | 4 | |
| ––––––––––––––––––––––––––––––––––––––––––––––––––––––– | |||||
| Actual activity |
0 | 0 | 0 | ||
| * May–November only † Most recent of several such occurrences. (See all) | |||||
In advance of, and during, each hurricane season, several forecasts of hurricane activity are issued by national meteorological services, scientific agencies, and noted hurricane experts. These include forecasters from the United States National Oceanic and Atmospheric Administration (NOAA)'s Climate Prediction Center, Tropical Storm Risk (TSR), the United Kingdom's Met Office (UKMO), and Philip J. Klotzbach, William M. Gray and their associates at Colorado State University (CSU). The forecasts include weekly and monthly changes in significant factors that help determine the number of tropical storms, hurricanes, and major hurricanes within a particular year. According to NOAA and CSU, the average Atlantic hurricane season between 1991 and 2020 contained roughly 14 tropical storms, seven hurricanes, three major hurricanes, and an accumulated cyclone energy (ACE) index of 72–111 units. Broadly speaking, ACE is a measure of the power of a tropical or subtropical storm multiplied by the length of time it existed. It is only calculated for full advisories on specific tropical and subtropical systems reaching or exceeding wind speeds of 39 mph (63 km/h).[1] NOAA typically categorizes a season as above-average, average, or below-average based on the cumulative ACE index, but the number of tropical storms, hurricanes, and major hurricanes within a hurricane season is sometimes also considered.
Pre-season forecasts
On December 8, 2022, CSU issued an extended range forecast for the 2022 hurricane season, predicting slightly above-average activity with 15–18 named storms, 7–10 hurricanes, 3–5 major hurricanes, and an ACE index of about 136 units.[3] The TSR also issued an extended range forecast on December 9, 2022. The TSR predicted overall above-average tropical activity with its ACE index, but anticipates 17 tropical storms, 9 hurricanes and 4 intense hurricanes to form during the season. One of their factors anticipate the La Nina condition to persist into the third quarter of 2022. However, they quoted the anticipation with high degrees of uncertainty.
Storm names
The following names will be used for named storms that form in the North Atlantic in 2023. Retired names, if any, will be announced by the World Meteorological Organization in the spring of 2024. The names not retired from this list will be used again in the 2029 season. This is the same list used in the 2017 season, with the exceptions of Harold, Idalia, Margot, and Nigel, which replaced Harvey, Irma, Maria, and Nate, respectively.
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Season effects
This is a table of all of the storms that have formed in the 2023 Atlantic hurricane season. It includes their duration, names, landfall(s)–denoted by bold location names – damages, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but were still related to that storm. Damage and deaths include totals while the storm was extratropical, a wave, or a low, and all of the damage figures are in 2023 USD.
| Saffir–Simpson scale | ||||||
| TD | TS | C1 | C2 | C3 | C4 | C5 |
| Storm name |
Dates active | Storm category at peak intensity |
Max 1-min wind mph (km/h) |
Min. press. (mbar) |
Areas affected | Damage (USD) |
Deaths | Ref(s) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Season aggregates | ||||||||||
| 0 systems | Season not started | 0 (0) | 0 | 0 | 0 | |||||
See also
- Tropical cyclones in 2023
- Atlantic hurricane season
- 2023 Pacific hurricane season
- 2023 Pacific typhoon season
- 2023 North Indian Ocean cyclone season
- South-West Indian Ocean cyclone seasons: 2022–23, 2023–24
- Australian region cyclone seasons: 2022–23, 2023–24
- South Pacific cyclone seasons: 2022–23, 2023–24
References
- ^ a b "Background Information: North Atlantic Hurricane Season". College Park, Maryland: Climate Prediction Center. May 22, 2019. Retrieved April 5, 2021.
- ^ "Atlantic hurricane best track (HURDAT version 2)" (Database). United States National Hurricane Center. April 5, 2023. Retrieved November 17, 2024.
This article incorporates text from this source, which is in the public domain.
- ^ Cite error: The named reference
Dec21CSUwas invoked but never defined (see the help page).
