Related Clues:
- December weather phenomenon
- Weather-affecting current
- Current event around Christmas?
- Bad-weather cause, at times
- Monsoon-affecting phenomenon
- Cause of weather extremes
- Periodic source of weird weather
- Area of hot water and air in the Pacific at Christmastime
- Threatening weather phenomenon
- Weather phenomenon with a Spanish name
- Phenomenon associated with the Southern Oscillation
- Phenomenon named for the infant Jesus
- Weather Channel newsmaker
- Cooling in the equatorial Pacific
- It may affect weather patterns online, perhaps