A very active week is now underway, beginning with scorching hot temperatures Monday afternoon. Triple digits are expected over West Side Valleys and Northern California today. Morning clouds and fog at the coast will gradually clear into midday.
Long-range forecasting, like seasonal forecasting, meteorologists no longer look at weather models like we do for the day-to-day forecast, we look at teleconnections. Two of the best known teleconnections are El Niño and La Niña.
The cool down we're expecting this week doesn't mean there's a break from the potential for sunburns. While the SPF in sunscreen is a well-known form of protection, UPF, or Ultraviolet Protection Factor is another way to shield yourself from the sun.