Although Jacobs served in the role from 2018 until the end of the president's first term, he was never confirmed by the full Senate.

Jacobs has spearheaded efforts to combine different computer forecasting systems for weather and climate into a single system.

January was the hottest on record, “surprising scientists” who had expected that a cooling La Niña weather cycle would slow the almost two years of record temperatures ...

Hottest January on record shocks scientists as temperatures rise 1.75C above pre-industrial era - The record highs come ...