Sunrise 6:09 AM   Sunset 7:40 PM Moonrise 9:48 PM   Moonset 6:56 AM

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PZZ650 East Santa Barbara Channel From Pt. Conception To Pt. Mugu Ca Including Santa Cruz Island- 216 Pm Pdt Thu Apr 25 2024
.small craft advisory in effect through Friday morning - ..gale watch in effect from Friday morning through late Friday night - .
Tonight - W winds 20 to 30 kt. Combined seas 4 to 6 feet, building to 5 to 8 ft dominant period 7 seconds. Fri - W winds 20 to 30 kt with gusts to 35 kt, becoming 25 to 35 kt with gusts to 40 kt in the afternoon. Combined seas 5 to 7 ft dominant period 7 seconds, building to 7 to 10 ft in the afternoon.Fri night - NW winds 20 to 30 kt with gusts to 40 kt, becoming 20 to 30 kt late. Strongest eastern portion. Combined seas 8 to 11 ft dominant period 8 seconds, subsiding to 7 to 9 ft. Sat - Western portion, nw winds 25 to 30 kt. Eastern portion, nw winds 15 to 25 kt becoming W 15 to 20 kt in the afternoon. Combined seas 7 to 10 ft dominant period 9 seconds. Sat night - Western portion, nw winds 25 to 30 kt becoming 15 to 20 kt after midnight. Eastern portion, W winds 15 to 20 kt becoming nw 10 to 15 kt after midnight. Combined seas 7 to 10 ft dominant period 9 seconds. Patchy fog after midnight. Sun - N winds 15 to 25 kt with gusts to 30 kt, becoming W 20 to 30 kt with gusts to 35 kt in the afternoon. Combined seas 7 to 9 ft dominant period 8 seconds. Patchy fog in the morning. Sun night - Western portion, nw winds 20 to 25 kt becoming 15 to 20 kt after midnight. Eastern portion, W winds 10 to 15 kt becoming nw 5 to 10 kt after midnight. Combined seas 7 to 9 ft dominant period 8 seconds. Mon - NW winds 15 to 25 kt. Combined seas 5 to 7 ft. Tue - NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft. Patchy fog.

PZZ600 216 Pm Pdt Thu Apr 25 2024
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 20z, or 1 pm pdt, a 1030 mb high was centered 1000 nm west of point conception, and a 989 mb low was centered in colorado. Strong to gale force nw to W winds will affect much of the waters into the weekend.

FXUS66 KHNX 251950 AFDHNX

Area Forecast Discussion National Weather Service Hanford CA 1250 PM PDT Thu Apr 25 2024



KEY MESSAGES
1. A High Wind Warning has been issued for the Kern County Mountains and Mojave Desert Slopes valid through 11 pm Friday.
2. A cooling trend back to just below seasonal normals lasting through Friday.
3. The next storm system will impact Central California Friday with mountain snow, foothills rain, and a chance of valley thunderstorms.
4. A warming trend begins on Sunday and will last through the week ahead with dry conditions.

DISCUSSION
A tight pressure gradient influenced by the low pressure system moving east and the high pressure ridge off the coast of California will bring light rain, snow, thunderstorms, and wind to the area. For winds particularly, Kern County will see the majority of the high winds. There is a greater than 85% chance of wind gusts higher than 45 miles per hour throughout the eastern part of Kern County. Highest winds will be observed in the typical windy zones, the Mojave Desert Slopes, where the probabilities of 60 mile per hour winds are 85-90%. As such, a Wind Advisory has been issued for much of eastern Kern County, and a High Wind Warning has been issued for the Mojave Desert slopes through 11pm PDT tomorrow evening.

Alongside these winds and with the storm system moving in, temperatures will continue to be cooler than normal through tomorrow, with high temperatures roughly 7-10 degrees cooler than normal for this time of year.

As another low pressure system forms and drops southward just to the east of the state, there will be a chance for thunderstorms.
These thunderstorms will mostly be in the Sierra Nevada and foothills, but there is a chance for some of the thunderstorms to make their way into the San Joaquin Valley and northern Kern County. Here are probabilities for select locations to see thunderstorms tomorrow afternoon and evening:

Yosemite Valley/Mariposa/Oakhurst/Shaver Lake: 25% Tioga Pass: 22% Grant Grove: 23% Fresno/Visalia: 18% Merced/Madera: 17%

As the second low pressure system progresses eastward through the weekend, zonal flow will take over, warming temperatures back up and bringing dry conditions back to the area. Beginning Sunday, temperatures will begin warming back up, reaching roughly 7-10 degrees above normal for this time of year by the middle of next week.


AVIATION
A low VFR ceiling will continue until 21Z. The Sierra and Kern County Mountains may have localized mountain MVFR obscurations.
The Kern County and Mojave Desert has a high probability of surface wind sustaining above 30 KTS through the TAF period.
Otherwise, VFR conditions will prevail throughout Central California for at least the next 24 hours.

AIR QUALITY ISSUES
ISSUED: 04/24/2024 14:25 EXPIRES: 04/25/2024 23:59 None.

CERTAINTY

The level of certainty for days 1 and 2 is medium.
The level of certainty for days 3 through 7 is medium.

Certainty levels include low
medium
and high. Please visit www.weather.gov/hnx/certainty.html for additional information and/or to provide feedback.

HNX WATCHES/WARNINGS/ADVISORIES
High Wind Warning until 11 PM PDT Friday for CAZ338.
Wind Advisory until 11 PM PDT Friday for CAZ331-333-334-337- 339.

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