DI LIBERTO: And the jet stream really acts as, like, this storm highway. Storms like to hitch a ride on it. And if you change where that jet stream goes, you change where those storms go.

DI LIBERTO: It wasn't surprising that 2023 was the warmest year on record. I think what was surprising was just how high temperatures got and how much they smashed the records by.

Federal forecasters say the El Nino climate pattern is on its way out, after a year where it helped break global heat records. So what does that mean for this coming year?

Federal forecasters say the El Nino climate pattern is on its way out, after a year where it helped break global heat records. So what does that mean for this coming year?

Federal forecasters say the El Nino climate pattern is on its way out, after a year where it helped break global heat records. So what does that mean for this coming year?

Federal forecasters say the El Nino climate pattern is on its way out, after a year where it helped break global heat records. So what does that mean for this coming year?

Federal forecasters say the El Nino weather pattern is on its way out. This past year, it helped drive temperatures to new records. So what does that mean for this year? Lauren Sommer has more ...