textproduct: Los Angeles
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
SYNOPSIS
09/1148 PM.
A cooling trend will continue through the weekend. A couple storms will move through the area today through Monday with showers and thunderstorms possible. Dry and warmer weather expected the rest of next week.
LONG TERM (MON-THU)
09/227 PM.
The upper low is expected to pass through southern California Monday morning, with scattered showers and snow levels dropping to around 4500-5000 feet. Chances for any snow accumulations on the Grapevine are less than 10% but there could be some flurries or mix of rain and snow on the summit Monday morning. There is a chance of showers across LA County through Monday afternoon if the low is a little slower leaving the area. Otherwise, drying conditions expected Monday night and dry and warmer weather the rest of the week.
AVIATION
10/1210Z.
At 0818Z at KLAX, the marine layer was 900 ft deep. The top of the inversion was at 2000 ft with a temperature of 17 C.
Overall, moderate confidence in TAF (Good confidence in TAFs for KPMD and KWJF) Package. There is a 30 percent chc that sites with only MVFR in the afternoon could have periods of VFR. Flight Cat transitions could be off by as much as 90 minutes. There is a 20 percent chc of -RA over KSBA, KOXR and KCMA this afternoon. There is a 20 to 30 percent chc of rain at all sites from 04Z-12Z tonight.
KLAX...Moderate confidence in TAF. There is a 30 percent chc of SCT conds 18Z-01Z. There is a 20 percent chc of rain aft 04Z. No significant east wind component expected.
KBUR...Moderate confidence in TAF. There is a 30 percent chc that cigs will be AOA 010.
MARINE
10/332 AM.
A weak Cold Front will move across the coastal waters today into Saturday morning bringing showers and a slight chance for a thunderstorm north of point conception.
A second system will arrive later on Saturday into Sunday with a more traditional cold front. This stronger front will bring numerous showers and a slight chance for thunderstorms across all waters. Potential hazards include: heavy downpours, dangerous cloud to ocean lightning, small hail, and erratic gusty winds. Boaters, especially those with small vessels should avoid these conditions.
LOX WATCHES/WARNINGS/ADVISORIES
CA...NONE. PZ...NONE.
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