textproduct: San Diego
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
SYNOPSIS
Southwest flow aloft will bring drying of monsoonal moisture the next few days with surface drying for inland areas as well. High temperatures will continue to cool today, then slowly warm to around average for next Tuesday.
SHORT TERM (Today through Saturday)
A trough of low pressure will bring drying of monsoonal moisture with southwest flow aloft. Surface dewpoints will decrease as well for inland areas. However, there will be a flow of higher level tropical moisture into the area from the southwest from Tropical Depression Eight-E near 18N/132W. That higher level moisture and clouds will move east of the area on Friday morning.
High temperatures will continue to cool today with high temperatures as much as 8 to 12 degrees below average for the mountains and inland valleys. High temperatures for today will range from the the lower to mid 70s near the coast to the 80s for the Inland Empire with the lower deserts around 100.
For Friday through Tuesday of next week, low pressure near the California will move slowly toward the west as high pressure centered over the southeast states also moves slowly toward the west with gradually strengthening of high pressure aloft over southern California.
High temperatures on Saturday will be around average at the coast to around 4 to 8 degrees above average for the mountains and inland valleys. High temperatures on Saturday will range from the 70s near the coast to the mid 80s to mid 90s for the Inland Empire with 100 to 104 for the lower deserts.
LONG TERM (Sunday through Wednesday)
The slow warming trend will continue through Tuesday with Tuesday high temperatures within a few degrees of average to around 5 degrees above average for the lower deserts. High temperatures for next Tuesday will range from the mid 70s to around 80 near the coast to the 90s to around 100 for the Inland Empire with 106 to 110 for the lower deserts.
AVIATION
130945Z....Coast/Valleys...Low clouds with bases 2000-2500 ft MSL and tops to 3000 ft MSL will continue to spread into the inland valleys through 14Z. Local vis 3-5 SM where clouds near terrain in the valleys. Clouds clearing inland 15-17Z and closer to the coast 17-19Z. There is a 60-80% chance of CIGS persisting at the beaches and up to around 10 mi inland in San Diego County through the afternoon. Low clouds will begin to spread back inland beginning around 14/00Z, filling in over the coastal basin again by 12Z Fri. Otherwise SCT-BKN clouds at/above 20,000 ft MSL through this evening.
Mountains/Deserts...SCT-BKN clouds at/above 20,000 ft MSL and unrestricted vis through this evening.
MARINE
No hazardous marine conditions are expected through Monday.
SKYWARN
Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.
SGX WATCHES/WARNINGS/ADVISORIES
CA...None. PZ...None.
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