textproduct: San Diego

SYNOPSIS

High temperatures for the next week will generally range from a few degrees above average near the coast to 5 to 10 degrees above average for the mountains and deserts with some slight day to day differences. Moderate HeatRisk will continue for the deserts through next Wednesday. Night and morning coastal low clouds will spread into portions of the western valleys late each night. There is a slight chance of showers near the mountains on Friday afternoon.

SHORT TERM (Today through Saturday)

Satellite imagery shows greater coverage of low clouds than 24 hours ago with widespread low clouds over the coastal waters extending into coastal areas. The low clouds are expected to continue spreading slowly inland through sunrise into portions of the western valleys. Night and morning low clouds will continue to spread into portions of the western valleys late each night into the weekend.

High temperatures for the deserts will warm a few degrees today with not much change for Friday and Saturday. High temperatures for the coast and valleys will cool slightly today, warm a few degrees on Friday, then cool a few degrees on Saturday. Through Saturday, high temperatures will generally range from a few degrees above average near the coast to 5 to 10 degrees above average for the mountains and deserts. High temperatures for today will range from the lower to mid 70s near the coast to the mid 80s to mid 90s in the Inland Empire with 106 to 110 for the lower deserts. Moderate HeatRisk will continue for the deserts into next week with the greatest coverage of moderate HeatRisk for the Inland Empire on Friday.

As a weak upper level low pressure system centered near the Pacific coast of central Baja moves slowly toward the west and into the Pacific the next few days, some mid level moisture could spread into portions of southern California on Friday and Saturday. There could be a few showers, mainly during Friday afternoon, and mainly near the mountains from the San Bernardino Mountains southward.

For Friday through Sunday, several coastal and mountain locations could have new daily record or near record warm minimum temperatures. The surface water temperature at Scripps Pier on Wednesday of 21.3C/70.3F was in the 5 percent of warmest for the date while the water temperature at around a depth of 5 meters was 21.2C/70.2F, a new record warmest for the date.

LONG TERM (Sunday through Wednesday)

High temperatures for the mountains and deserts will remain around 4 to 8 degrees above average through next Wednesday. For the coast and valleys, high temperatures will cool a few degrees from Sunday through Wednesday, cooling from within a few degrees of average on Sunday to a few degrees below average on Wednesday. High temperatures on Sunday will range from the lower to mid 70s near the coast to the mid 80s to mid 90s for the Inland Empire with 108 to 112 for the lower deserts. Moderate HeatRisk will continue for the deserts through next Wednesday. Night and morning coastal low clouds will spread inland into the western valleys at times.

AVIATION

110930Z...Coast/Valleys...Low clouds based 900-1400 ft MSL with tops to 1500 ft MSL have settled into coastal regions and valleys up to about 15 miles inland. Minor vis reductions 4-6 SM will be possible for elevated coastal terrain overnight. Clouds clear out over land 16-18Z. Low clouds with similar to slightly lower bases reform and locally move into coastal regions after 03Z Friday, though they will likely move inland more gradually/later than tonight, with a 30-40% chance for cigs at coastal sites by 06Z Fri, increasing to 60% by 09Z.

Mountains/Deserts...VFR conditions expected through the TAF period.

MARINE

No hazardous marine conditions are expected through Sunday.

BEACHES

Elevated surf and strong rip currents expected through this afternoon. Surf gradually diminishes today, with peak surf 4-6 feet and sets up to 8 feet at south-facing beaches. See the Beach Hazards Statement for more details.

SKYWARN

Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.

SGX WATCHES/WARNINGS/ADVISORIES

CA...Beach Hazards Statement through this afternoon for Orange County Coastal Areas-San Diego County Coastal Areas.

PZ...None.