30/111 PM.
Onshore flow will continue to bring low clouds to the coasts and coastal valleys each night and morning. Some very light drizzle is possible each morning. Temperatures will remain well below normal for the next couple of days before a warming trend takes hold on Thursday. Many valley locations will warm into the 90s by early next week.
(tdy-Fri), 30/114 PM.
Daytime temperatures will remain very stable through Wednesday/Thursday with widespread highs ranging the 70s with 80s in the valleys. Persistent onshore flow and increased low clouds over the next couple of days will further inhibit daytime heating with below normal temperatures in the forecast for the next several days. Upper-level heights will begin to rise on Thursday and temperatures will begin to gradually warm by a few degrees each day. A series of shortwaves working through the upper level flow through the weekend will bring breezy winds to the Antelope Valley/Foothills each evening. No wind highlights are planned as winds will largely remain sub-Advisory. The National Blend max gusts for this week are below 35 mph in the San Luis Obispo Valley and below 45 mph across the Antelope Valley and Foothills.
(Sat-Tue), 30/111 PM.
Temperatures will continue warming to within a few degrees on either side of normal on Saturday. While 90 degree highs won't be widespread, probabilities of reaching 90 degrees in our valleys will increase through the middle of next week. The National Blend indicates over a 90% chance of 90 plus degrees across the Antelope Valley on the 4th while 50% to 80% chance across the San Luis Obispo Valley and localized valleys elsewhere. Ensembles indicate a pattern change during the weekend, with a ridge of high pressure to the southwest and a PacNW low to the northwest. Ensembles are still trying to sort out the upper level evolution early next week, now showing the ridge being shunted further east as heights fall and the trough takes over our weather pattern. Temperatures further northwest will remain fairly stable late weekend into the first part of next week while areas further east, like the Antelope Valley and Foothills, will continue to warm under the influence of the ridge.
30/0957z.
At 0835Z at KLAX, the marine layer was 2500 ft deep. The top of the inversion was 6000 ft with a temperature of 13 C.
High confidence in VFR TAFs for KPMD and KWJF.
There is a 20% chance for brief IFR cigs at KPRB. Moderate confidence for all other TAFs. VFR conds may arrive up to 90 minutes later than fcst. Cig hgts could be off by +/- 300 ft.
KLAX, Moderate confidence in TAF. VFR conds could arrive as late at 2130Z with a 30 percent chc of SCT conds. There is a 30 percent chc of BKN015 cigs 10Z-16Z. High confidence in any easterly wind staying under 6 knots.
KBUR, Moderate confidence in TAF. VFR conds could arrive as late as 20Z.
30/946 AM.
There is a 20-30% chance of Small Craft Advisory (SCA) conditions in the afternoon to night for the outer waters through Thursday with 60-70% chance Friday into the weekend.
Other than a 20-30% chance of SCA winds over the western Santa Barbara Channel each afternoon and evening today and again Thursday into the weekend.
High confidence in conditions staying under SCA for the rest of the waters through at least Thursday.
All waters will see short-period choppy seas through the period.
Ca, NONE. PZ, NONE.
