August 8, 2025 Headlines: Atlantic Tropics Remain Active While Heat and Storms Hit the U.S.

• Atlantic Hurricane Season Outlook Updated: NOAA has released an updated forecast for the 2025 Atlantic hurricane season, maintaining the prediction for an above-average season.¹ The outlook now calls for 13-18 named storms, 5-9 hurricanes, and 2-5 major hurricanes. The season is just entering its peak, and forecasters are closely monitoring several systems.²
  • Source: EarthSky – NOAA updates forecast.³ Above-normal hurricane activity still predicted: https://earthsky.org/earth/noaa-updates-forecast-above-normal-hurricane-activity-still-predicted/
• Tropical Storm Ivo Moves Away from Mexico:⁴ In the Eastern North Pacific, Tropical Storm Ivo is moving west-northwestward away from the coast of Mexico.⁵ It is not expected to make landfall, but it has brought heavy rainfall and storm surge to parts of southwestern Mexico.⁶
  • Source: National Hurricane Center – Active Tropical Cyclones: https://www.nhc.noaa.gov/cyclones/
• Invest 96L and Other Systems in the Atlantic: The National Hurricane Center is monitoring a tropical wave, designated Invest 96L, in the central tropical Atlantic.⁷ While its development is currently hampered by dry air and wind shear, conditions are expected to become more conducive for a tropical depression to form next week.⁸ A separate, weak area of low pressure off the coast of North Carolina is also being watched, but its chances of developing are low before it merges with a front.⁹
  • Source: National Hurricane Center – Atlantic 7-Day Graphical Tropical Weather Outlook: https://www.nhc.noaa.gov/gtwo.php
  • Source: FOX Weather – Bryan Norcross: Tropics Relatively Quiet for Now, but Watching for Developments Next Week: https://www.foxweather.com/weather-news/bryan-norcross-analysis-tropics-developments-atlantic
• Severe Thunderstorms and Heat in the U.S.: Scattered severe thunderstorms are forecast for parts of the Upper Midwest, bringing the potential for damaging winds, large hail, and heavy rain.¹⁰ Meanwhile, a heat advisory is in effect for portions of Minnesota and Wisconsin, with afternoon heat indices expected to reach triple digits.¹¹
  • Source: National Weather Service: https://www.weather.gov/
  • Source: MPR News – Hot, humid Friday with more storms Friday night, Saturday morning: https://www.mprnews.org/story/2025/08/08/hot-humid-friday-with-more-storms-friday-night-saturday-morning
• G1-G2 Geomagnetic Storm Watch Issued: NOAA’s Space Weather Prediction Center has issued a G1-G2 (Minor-Moderate) watch for August 8-9 due to the combined effects of a coronal mass ejection and a coronal hole high-speed stream.¹²
  • Source: NOAA/NWS Space Weather Prediction Center – G1-G2 (Minor-Moderate) Watch Issued for 08-09 Aug 2025: https://www.swpc.noaa.gov/news/g1-g2-minor-moderate-watch-issued-08-09-aug-2025

Disclaimer: This information was researched and curated with the assistance of AI, but reviewed and verified by a human.