Latest on Solar Cycle 25 Which May Have Ended

Chart of the day: Latest on solar cycle 25 which may have ended.

Discussion: The solar maxima for cycle 25 has (apparently) passed although double (maxima) spikes during the last 2 solar maxima suggest another spike in solar activity is possible before a new solar cycle (26) initiates.

Medium-range 6-10 Day Forecast Valid April 28-May 2, 2025 (24-hour change)

Discussion: The outlook remains warmer than normal. However, cooler changes are generating in the Midwest States.

Medium-range 11-15 Day Forecast Valid May 3-7, 2025 (24-hour change)

Discussion: As foreshadowed by the 12Z GFS the past 2 days, the East is trending cooler in the 11-15-day period.

U.S. Medium-range Precipitation Forecast

Discussion: The ECM ENS maintains a wet pattern across Texas while the Midwest shifts drier in the 11-15-day period.

Days 16-20 Extended range Temperature Forecast valid May 8-12, 2025

Discussion: The extended range forecast remains warmer than normal across the U.S. while the Southwest is wet. Forecast confidence is below average.