Summary
A thick fog, known as tule fog, has covered California's Central Valley for several days. This type of fog forms when the air near the ground cools down at night and is most common in fall and winter. The dense fog has led to warnings about potential travel dangers in the area.
Key Facts
- A thick fog called tule fog is covering California's Central Valley.
- Tule fog is a type of radiation fog, which commonly develops in the fall and winter.
- Radiation fog forms when the ground cools at night, causing air near the ground to become foggy.
- The fog has stayed over the valley for more than a week, according to the Los Angeles Times.
- Weather alerts have been issued due to the fog, warning of dangerous travel conditions.
- The National Weather Service explains that sheltered valleys and calm weather help the fog form.
- The fog shrinks when the sun comes up but can be spread across an area until then.
- A dense fog advisory is currently in effect in parts of the Central Valley until a specified time and date.
