La Niña has arrived, forecasters say. What does this mean for our weather?

This La Niña could impact the tail end of the 2025 hurricane season, and also have an effect on fall and winter weather in the U.S.
WWLP-22News

What is the difference between meteorological and astronomical fall?

CHICOPEE, Mass. (WWLP) – The autumn equinox occurred at 2:19 p.m. on Monday, marking the transition into astronomical fall. Meteorological fall spans September, October, and November, with average ...