* WHAT...South to southeast winds 30 to 50 mph with damaging gusts up to 70 mph likely, except up to 80 mph in the mountains and foothills.
* WHERE...All of San Luis Obispo and Santa Barbara counties, the mountains and foothills of Los Angeles and Ventura counties, and the Antelope Valley.
* WHEN...Until 3 PM PST Thursday.
* IMPACTS...Damaging winds are likely with this powerful Atmospheric River storm, with widespread downed trees and powerlines likely, as well as the potential for power outages and property damage. Travel will be difficult, especially for high profile vehicles. Mountain roadways and passes will be especially dangerous, including the busy Interstate 5 near the Grapevine. The combination of strong winds and moist soils will increase the risk for downed trees.
* WHAT...Significant and widespread flooding caused by excessive rainfall will be likely, with potential debris flow impacts across recent burn scars.
* WHERE...For all areas of San Luis Obispo, Santa Barbara, Ventura and Los Angeles counties.
* WHEN...From Tuesday afternoon through Thursday evening.
* IMPACTS...This prolonged strong Atmospheric River storm system will bring periods of heavy rain from late Tuesday into Thursday evening. Potential flooding impacts include the threat of significant and widespread urban roadway flooding, a high risk of major rock/mudslides, and rapid rises in creeks, streams, and rivers which will likely lead to swift water rescues. The recent burn scars will be at risk for debris flows, possibly damaging. These flooding impacts will likely lead to significant travel delays and road closures during this busy holiday travel period.
* ADDITIONAL DETAILS... - Heavy rainfall with possible thunderstorms is expected with high rainfall rates, potentially exceeding one inch per hour during the peak of the event Tuesday night into Wednesday across favored south facing slopes and near thunderstorms. Another round of heavier rain and thunderstorms will be possible on Thursday. - http://www.weather.gov/safety/flood
* WHAT...South to southeast winds 20 to 35 mph with gusts 35 to 55 mph likely.
* WHERE...Most coastal and valley areas of Los Angeles and Ventura counties.
* WHEN...Until 3 PM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. There will be the risk of downed trees, especially considering the very wet soils that will occur this week. Travel will be difficult, especially for high profile vehicles.
* WHAT...Large breaking waves of 6 to 10 feet with dangerous rip currents.
* WHERE...Ventura County Beaches, Malibu Coast and Los Angeles County Beaches.
* WHEN...From 11 PM this evening to 11 AM PST Saturday.
* IMPACTS...There is an increased risk for ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore.
* ADDITIONAL DETAILS...Minor to potentially isolated moderate coastal flooding for south-facing beaches especially during high tides. This is expected to occur from this evening through Thursday due to strong southerly winds.
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Tuesday, Dec 23 Cloudy skies throughout the day with rain in the morning and afternoon. |
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Wednesday, Dec 24 Cloudy skies throughout the day with a chance of rain throughout the day. |
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Thursday, Dec 25 Cloudy skies throughout the day with a chance of rain throughout the day. |
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Friday, Dec 26 Partly cloudy throughout the day with rain. |
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Saturday, Dec 27 Partly cloudy throughout the day with a chance of rain. |
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Sunday, Dec 28 Clear conditions throughout the day. |
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Monday, Dec 29 Partly cloudy throughout the day. |
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Tuesday, Dec 30 Partly cloudy throughout the day. |
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Wednesday, Dec 31 Cloudy skies throughout the day with afternoon rain. |
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Thursday, Jan 1 Cloudy skies throughout the day with afternoon rain. |
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Friday, Jan 2 Cloudy skies throughout the day. |
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Saturday, Jan 3 Partly cloudy throughout the day. |
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Sunday, Jan 4 Partly cloudy throughout the day. |
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Monday, Jan 5 Cloudy skies throughout the day. |
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Tuesday, Jan 6 Clear conditions throughout the day. |