The National Weather Service San Diego has issued weather advisories for several counties as Southern California experiences a significant warming trend. According to the latest forecast, coastal regions and mountainous areas are expected to rise in temperatures continuing through Tuesday, with high temperatures anticipated to be several degrees above the season's average. The greater San Diego area, including Orange, San Diego, Western Riverside, and Southwestern San Bernardino counties, braces for a hot week ahead.
An Excessive Heat Warning is in place from 11 AM Tuesday to 9 PM PDT Thursday for various inland valleys, the San Diego County Mountains, and the San Gorgonio Pass near Banning. The warning comes as Palm Springs ties with a chance of hitting a sweltering new all-time high of 124 degrees, with a 9 percent probability of breaking that record. A Heat Advisory is also set for Orange County Inland Areas and the Santa Ana Mountains and Foothills, starting from 11 AM Tuesday until Thursday evening.
Amidst the rising temperatures, coastal low clouds are expected to roll into the far western valleys late each night, providing minor relief from the heat during the night and early morning hours. Long-term forecasts predict a slight decline in high pressure over the southwest states going into next weekend. This could introduce a slight chance for afternoon showers and thunderstorms in the mountain regions as monsoonal moisture incrementally enters the equation.
The forecast's implications for mariners are at least one of relief; marine conditions are anticipated to remain non-threatening through Friday. Meanwhile, aviation reports indicate that low clouds in coastal and valley regions could lead to visibilities ranging from 0 to 3 miles in the early morning hours. However, these are expected to clear up between 15Z and 17Z on Monday.
Residents in the affected regions are encouraged to take necessary precautions to avoid heat-related illnesses and to stay hydrated and cool as much as possible. Community cooling centers may be available for those in need. As high temperatures threaten Southwestern California, the region prepares to face the scorching days ahead.
