Summary
The U.S. is experiencing a heat wave during late December, with some areas particularly in the South and Southeast, expecting temperatures 30 degrees above normal. At the same time, California is facing heavy rain and potential flooding, affecting over 40 million people under flood watch.
Key Facts
- A heat wave could break multiple temperature records in the U.S. during late December.
- High temperatures in the South and Southeast could reach the 70s and 80s.
- Some areas may experience temperatures 30 degrees above the normal for this time of year.
- The heat is due to a high-pressure system bringing warm air from the Gulf of Mexico.
- Climate Central suggests human-caused pollution makes such events more likely.
- Over 40 million people in California are on flood watch due to heavy rain.
- The rain could lead to significant flooding, mudslides, and fast-rising water in the state.
- There is also a warning for heavy snowfall in the Sierra Nevada region.