Penton Agriculture reports: Cooling sea surface temperatures in the equatorial Pacific Ocean have weather forecasters raising the possibility of a La Niña this fall to 70{e1c719bd29d6bb84a792d8ffcb03a61a093900316f2da3efbd39b86f03d248b8} from 55{e1c719bd29d6bb84a792d8ffcb03a61a093900316f2da3efbd39b86f03d248b8} to 60{e1c719bd29d6bb84a792d8ffcb03a61a093900316f2da3efbd39b86f03d248b8}…