April 2025 - Climate Impact Company

News

04/22/2025, 6:01 am EDT

North Atlantic SSTA Much Cooler Than 1 Year Ago

The current SSTA pattern across the North Atlantic basin is somewhat cooler than one year ago. The current North Atlantic basin SSTA is +0.25C which is close to +1 St Dev compared to +0.79C one year ago which is >+3 St Dev. The main development region (MDR) is the center of the cooler SSTA change and right now, is almost exactly at normal for late April. The Caribbean Sea marine heatwave has weakened.

04/21/2025, 9:19 am EDT

Madden Julian Oscillation Reactivates

During Q4/2024 and Q1/2025 the Madden Julian oscillation (MJO) was active. Another weak-to-moderate wave of the convection phase of MJO is forecast into the eastern equatorial Pacific Ocean over the next 2 weeks.

04/20/2025, 7:05 am EDT

Another Cool Wave Toward Ukraine/Black Sea Region Next Weekend

Through the next 5 days, the Black Sea region including Ukraine is exceptionally warm although flipping much cooler as a cold front arrives during the 6-10-day period when the 32F<0C line shifts south almost reaching Ukraine and Southwest Russia crop areas.

04/19/2025, 2:47 pm EDT

AI/Operational Models Spot Check Verification

The 2-meter medium range temperature anomaly forecast skill across North America during the past 30 days reveals ECM ENS as the top model for both periods. The AI Graph Cast finished number 2 for the 6-10-day period while the improving CMC ENS reached number 2 in the 11-15-day period. Once again, GFS produced the lowest skill.