textproduct: San Diego

SYNOPSIS

Low pressure over the western states will bring a gradual cooling trend through Wednesday with high temperatures cooling to as much as 5 to 10 degrees below average for the Inland Empire. Night and morning coastal low clouds will increase in coverage and spread farther into the western valleys for early Tuesday and early Wednesday as the marine layer slowly deepens. This will be followed by a gradual warming trend for Thursday into next weekend.

SHORT TERM (Today through Wednesday)

Low pressure along the West Coast will continue a cooling trend through Wednesday. High temperatures today will cool a few degrees, cool another few to around 5 degrees on Tuesday, with a few more degrees of cooling on Wednesday.

High temperatures on Wednesday will be near average at the San Diego County coast, and elsewhere a few degrees below average to as much as 5 to 10 degrees below average for the Inland Empire. High temperatures on Wednesday will range from the 70s near the coast to the lower do mid 80s for the Inland Empire with the lower deserts near 100.

A weak coastal eddy will bring slow deepening of the marine layer with night and morning coastal low clouds spreading into portions of the western valleys for early Tuesday and early Wednesday.

LONG TERM (Thursday through Sunday)

Low pressure over the western states will weaken with a warming trend for southwestern California for Thursday into next weekend. with high temperatures on Saturday a few degrees above average for the deserts to a few degrees below average for the valleys. High temperatures on Saturday will range from the 70s near the coast to the mid 80s to lower 90s for the Inland Empire with 102 to 106 for the lower deserts. Not much change is expected for Sunday.

AVIATION

140600Z...Coasts/Valleys...SCT-FEW low clouds above 2000ft MSL moving ashore and slowly increasing in coverage at this hour. Expect coverage to increase, with widespread CIGs in the coastal areas by 09Z. Clouds spread about 20 miles inland by 14Z. Slightly less inland extent expected across the Inland Empire compared to last night, with only a 30-40% chance of CIGs VCNTY KONT between 12Z-16Z. VIS reductions of 4-6 SM in elevated inland valleys in HZ/BR, and down to 0-5 SM where clouds intersect terrain in the IE and surrounding foothills. Clouds clear to the coast between 15-17Z.

Mountains/Deserts...Clear skies with unrestricted VIS through the TAF period. Typical late afternoon S/W winds gusting 15-25 kts (up to 35 kts through the Banning Pass) expected, weakening after 06Z.

MARINE

No hazardous marine conditions are expected through Thursday.

SKYWARN

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

SGX WATCHES/WARNINGS/ADVISORIES

CA...None. PZ...None.