Above-Normal Season Predicted:
- NOAA's official outlook predicts an above-normal hurricane season for the Atlantic Basin.
- NOAA states a "60% chance of an above-normal season, and a 30% chance of a near-normal season."
- Fox Weather notes that Colorado State University (CSU) also projected an above-average season in their April outlook, with specific numbers slightly higher than historical averages (17 named storms, 9 hurricanes, 4 major hurricanes).
- NOAA's Specific Forecast Ranges:
- NOAA's annual outlook predicts a range of activity:
- 13 to 19 total named storms (winds of 39 mph or higher).
- 6 to 10 hurricanes (winds of 74 mph or higher).
- 3 to 5 major hurricanes (category 3, 4 or 5; with winds of 111 mph or higher).
- NOAA expresses "70% confidence in these ranges."
- This contrasts with CSU's approach of providing specific numbers, as mentioned by Fox Weather.
- Comparison to Average Season:
- An average Atlantic season sees "14 named storms, seven hurricanes and three major hurricanes," according to Fox Weather.
- NOAA's predicted ranges for 2025 (13-19 named storms, 6-10 hurricanes, 3-5 major hurricanes) are generally at or above these average numbers.
- Influencing Factors for the Outlook:
- ENSO-Neutral Conditions: Both sources emphasize the current ENSO-neutral phase (neither El Niño nor La Niña). Fox Weather notes that "ENSO-neutral years are notoriously difficult to predict," but NOAA states that "continued ENSO-neutral conditions" are a factor contributing to the expected above-normal season, alongside other elements.
- Warmer Than Average Ocean Temperatures: This is cited as a significant factor. NOAA explicitly states, "Above-average Atlantic Ocean temperatures set the stage." The NOAA press release notes "warmer than average ocean temperatures" and "high-heat content in the ocean" which "provides more energy to fuel storm development."
- Weaker Wind Shear: NOAA forecasts "weak wind shear," which "allow the storms to develop without disruption."
- West African Monsoon: NOAA mentions the "potential for higher activity from the West African Monsoon," which is "a primary starting point for Atlantic hurricanes" and can produce "tropical waves that seed some of the strongest and most long-lived Atlantic storms."
- Unusual Cooler Tropical Waters Compared to 2024 (Fox Weather): Fox Weather notes that tropical waters in the Main Development Region are "approximately 2 degrees Fahrenheit cooler than 2024 levels," although still "well above the long-term average." This introduces some uncertainty, though light trade winds could change this quickly.
