textproduct: Los Angeles

SYNOPSIS

01/131 PM.

A major and long lasting heat wave will begin Friday and last through all of next week at least with with dangerously hot temperatures.

LONG TERM (MON-THU)

01/219 PM.

This period will feel a lot like this coming weekend, though there are still some model solutions indicating a little more upper level northeast wind support and subsequently even hotter temperatures. This would be in the Wed-Fri period, so there is the potential for even hotter weather later next week with a better chance of breaking daily temperature records. Longer range models are starting to at least hint at some cooling next weekend.

AVIATION

02/0034Z.

At 2352Z at KLAX, the marine layer was 900 ft deep. The top of the inversion was near 2600 ft with a temp of 29 C.

High confidence in VFR TAFs for KPRB, KBUR, KVNY, KWJF and KPMD.

Moderate confidence in remaining TAFs. Timing of change groups may be off +/- 2 hours. VLIFR conds expected for Central Coast sites, with LIFR for KSBA. IFR to low MVFR for the Ventura and LA Coastal sites.

KLAX...Moderate confidence in the 00Z TAF. Arrival and clearing times of IFR CIGs may be off by 2 hrs. CIGs may be intermittent between 07Z to 16Z. No significant east wind component expected.

KBUR...High confidence in the VFR 00Z TAF. No wind issues expected.

MARINE

01/722 PM.

Generally quiet conditions expected across the coastal waters through the forecast period. Localized Small Craft Advisory (SCA) gusts may occur each afternoon and evening near Point Conception, off the coast of Point Dume, and across the San Pedro Channel.

BEACHES

01/1245 PM.

While we will get a break from the coastal flooding concerns for the rest of the week, another hurricane swell (from Rachel) will likely bring a larger-than-Polo south swell to southern California for the early to middle part of next week. Thankfully tides at that time will not be extreme, but they should be around 6.5 feet which is high enough to cause some concern, but it all depends on how big the surf ends up. Stay tuned for future updates.

LOX WATCHES/WARNINGS/ADVISORIES

CA...Extreme Heat Warning in effect from 10 AM Friday to 8 PM PDT Thursday for zones 38-87-88-349>358-362-366>375-548-550. (See LAXNPWLOX). Heat Advisory in effect from 10 AM Saturday to 8 PM PDT Sunday for zones 341>345-347-348. (See LAXNPWLOX). PZ...NONE.