News
08/07/2025, 9:05 am EDT
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Tropics Getting Interesting! 96L Likely to Develop; ALERTs Posted Caribbean Sea/Central Atlantic Days 6-10

Tropical Disturbance 96L is benign. However, tropical cyclone models indicate a west to northwest track with development to a tropical storm this weekend. Extended-range forecasts indicate potential for 96L to become a hurricane meandering off the Northeast Coast later next week. In the 6-10-day period, both GFS and ECM indicate significant tropical cyclone risk in the northeast Caribbean Sea and central North Atlantic tropics.
08/06/2025, 2:58 pm EDT
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Record Strong Negative (Cool) Pacific Decadal Oscillation Observed in July!

July 2025 monthly Pacific decadal oscillation (PDO) index was the most negative (-4.00) in the 1950-2025 climatology. The record -PDO was produced by the relationship between near to slightly cooler than normal sea surface temperature anomalies (SSTA) off the North America West Coast and the marine heatwave (MHW) excessive warm SSTA off the East Asia Coast and past the Dateline to 150W longitude.
08/04/2025, 9:20 am EDT
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Trend Toward La Nina Temporarily Eases, Resumes Later August

Neutral ENSO remains and the recent cooling trend toward La Nina temporarily slows. Once into the second half of August, +SOI is likely to return. A trend toward La Nina is indicated for Q4/2025. Whether the Nino34 SSTA can shift sufficiently cool and stay consistent to initiate La Nina is in question.
08/04/2025, 8:16 am EDT
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FINAL 2025 North Atlantic Tropical Cyclone Season Activity Forecast

The FINAL Climate Impact Company 2025 North Atlantic basin seasonal tropical cyclone forecast indicates (after Tropical Storm Dexter) that an additional 12 tropical cyclones will form of which 7 become hurricanes and 4 reach major hurricane strength. The accumulated cyclone energy (ACE) index forecast is 135.