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ECCDA Discussions

National Weather Service Los Angeles/Oxnard CA

350 PM PDT Mon Apr 28 2025



ECC029-291700-

Los Padres National Forest-

Discussion for Vandenberg ECC Dispatch

350 PM PDT Mon Apr 28 2025



...Discussion from Monterey...



Warm and dry conditions are expected through the work week. Recent

rain and low ERC values mean that fire weather concerns remain low.

The potential remains for strong onshore winds associated with a

cold front later this week and this upcoming  weekend.



Note : All winds are 20-foot Winds Unless otherwise specified. 

Thunderstorms imply strong, gusty and erratic winds.







...Discussion from Los Angeles/Oxnard...



Overall dry weather is expected through Friday, except for a slight 

chance of showers along the northern facing slopes today, and marine

 layer drizzle Wednesay night into Thursday. Temperatures will trend

 upwards through Tuesday, followed by a small drop for Wednesday

through  Friday due to a weak upper low pressure system. Lingering

moisture from  the weekend storm system will keep humidities

elevated today (Monday),  with 35 to 50 percent common (except for

percents in the 20s in the  Antelope Valley). Tuesday and Wednesday

will see some drying, with  valleys and mountains falling to the

25 to 35 percent range, and 10 to  20 percent across the Antelope

Valley east of the Highway 14 Corridor. 



Northerly wind gusts of 15 to 30 mph will be common across the 

Interstate 5 Corridor through tonight. Sundowner winds will develop

this evening across southwestern Santa Barbara County, mainly

focused west  of Goleta out to Gaviota, where gusts of 30 to 50 mph

are likely.  Onshore winds will peak at around 20 to 35 mph Wednesay

afternoon and  evening for the Antelope Valley and foothills. 



This weekend a very cold low pressure storm system may pass over the

 region, bringing the potential for widespread rain, mountain snow,

and a 5 to 10 percent chance of thunderstorms. Low confidence in 

precipitation, but high confidence in gusty Advisory Level winds

across  much of the region. 





$$



ECC028-291700-

Santa Barbara County excluding Los Padres National Forest-

Discussion for Santa Barbara ECC Dispatch

350 PM PDT Mon Apr 28 2025







Overall dry weather is expected through Friday, except for a slight 

chance of showers along the northern facing slopes today, and marine

 layer drizzle Wednesay night into Thursday. Temperatures will trend

 upwards through Tuesday, followed by a small drop for Wednesday

through  Friday due to a weak upper low pressure system. Lingering

moisture from  the weekend storm system will keep humidities

elevated today (Monday),  with 35 to 50 percent common (except for

percents in the 20s in the  Antelope Valley). Tuesday and Wednesday

will see some drying, with  valleys and mountains falling to the

25 to 35 percent range, and 10 to  20 percent across the Antelope

Valley east of the Highway 14 Corridor. 



Northerly wind gusts of 15 to 30 mph will be common across the 

Interstate 5 Corridor through tonight. Sundowner winds will develop

this evening across southwestern Santa Barbara County, mainly

focused west  of Goleta out to Gaviota, where gusts of 30 to 50 mph

are likely.  Onshore winds will peak at around 20 to 35 mph Wednesay

afternoon and  evening for the Antelope Valley and foothills. 



This weekend a very cold low pressure storm system may pass over the

 region, bringing the potential for widespread rain, mountain snow,

and a 5 to 10 percent chance of thunderstorms. Low confidence in 

precipitation, but high confidence in gusty Advisory Level winds

across  much of the region. 





$$



ECC031-291700-

Angeles National Forest-

Discussion for Lancaster ECC Dispatch

350 PM PDT Mon Apr 28 2025







Overall dry weather is expected through Friday, except for a slight 

chance of showers along the northern facing slopes today, and marine

 layer drizzle Wednesay night into Thursday. Temperatures will trend

 upwards through Tuesday, followed by a small drop for Wednesday

through  Friday due to a weak upper low pressure system. Lingering

moisture from  the weekend storm system will keep humidities

elevated today (Monday),  with 35 to 50 percent common (except for

percents in the 20s in the  Antelope Valley). Tuesday and Wednesday

will see some drying, with  valleys and mountains falling to the

25 to 35 percent range, and 10 to  20 percent across the Antelope

Valley east of the Highway 14 Corridor. 



Northerly wind gusts of 15 to 30 mph will be common across the 

Interstate 5 Corridor through tonight. Sundowner winds will develop

this evening across southwestern Santa Barbara County, mainly

focused west  of Goleta out to Gaviota, where gusts of 30 to 50 mph

are likely.  Onshore winds will peak at around 20 to 35 mph Wednesay

afternoon and  evening for the Antelope Valley and foothills. 



This weekend a very cold low pressure storm system may pass over the

 region, bringing the potential for widespread rain, mountain snow,

and a 5 to 10 percent chance of thunderstorms. Low confidence in 

precipitation, but high confidence in gusty Advisory Level winds

across  much of the region. 





$$



ECC024-291700-

San Luis Obispo County-

Discussion for San Luis Obispo ECC Dispatch

350 PM PDT Mon Apr 28 2025







Overall dry weather is expected through Friday, except for a slight 

chance of showers along the northern facing slopes today, and marine

 layer drizzle Wednesay night into Thursday. Temperatures will trend

 upwards through Tuesday, followed by a small drop for Wednesday

through  Friday due to a weak upper low pressure system. Lingering

moisture from  the weekend storm system will keep humidities

elevated today (Monday),  with 35 to 50 percent common (except for

percents in the 20s in the  Antelope Valley). Tuesday and Wednesday

will see some drying, with  valleys and mountains falling to the

25 to 35 percent range, and 10 to  20 percent across the Antelope

Valley east of the Highway 14 Corridor. 



Northerly wind gusts of 15 to 30 mph will be common across the 

Interstate 5 Corridor through tonight. Sundowner winds will develop

this evening across southwestern Santa Barbara County, mainly

focused west  of Goleta out to Gaviota, where gusts of 30 to 50 mph

are likely.  Onshore winds will peak at around 20 to 35 mph Wednesay

afternoon and  evening for the Antelope Valley and foothills. 



This weekend a very cold low pressure storm system may pass over the

 region, bringing the potential for widespread rain, mountain snow,

and a 5 to 10 percent chance of thunderstorms. Low confidence in 

precipitation, but high confidence in gusty Advisory Level winds

across  much of the region. 





$$



ECC032-291700-

Ventura County excluding Los Padres National Forest-

Discussion for Ventura ECC Dispatch

350 PM PDT Mon Apr 28 2025







Overall dry weather is expected through Friday, except for a slight 

chance of showers along the northern facing slopes today, and marine

 layer drizzle Wednesay night into Thursday. Temperatures will trend

 upwards through Tuesday, followed by a small drop for Wednesday

through  Friday due to a weak upper low pressure system. Lingering

moisture from  the weekend storm system will keep humidities

elevated today (Monday),  with 35 to 50 percent common (except for

percents in the 20s in the  Antelope Valley). Tuesday and Wednesday

will see some drying, with  valleys and mountains falling to the

25 to 35 percent range, and 10 to  20 percent across the Antelope

Valley east of the Highway 14 Corridor. 



Northerly wind gusts of 15 to 30 mph will be common across the 

Interstate 5 Corridor through tonight. Sundowner winds will develop

this evening across southwestern Santa Barbara County, mainly

focused west  of Goleta out to Gaviota, where gusts of 30 to 50 mph

are likely.  Onshore winds will peak at around 20 to 35 mph Wednesay

afternoon and  evening for the Antelope Valley and foothills. 



This weekend a very cold low pressure storm system may pass over the

 region, bringing the potential for widespread rain, mountain snow,

and a 5 to 10 percent chance of thunderstorms. Low confidence in 

precipitation, but high confidence in gusty Advisory Level winds

across  much of the region. 





$$



ECC030-291700-

Los Angeles County excluding Angeles National Forest-

Discussion for Los Angeles ECC Dispatch

350 PM PDT Mon Apr 28 2025







Overall dry weather is expected through Friday, except for a slight 

chance of showers along the northern facing slopes today, and marine

 layer drizzle Wednesay night into Thursday. Temperatures will trend

 upwards through Tuesday, followed by a small drop for Wednesday

through  Friday due to a weak upper low pressure system. Lingering

moisture from  the weekend storm system will keep humidities

elevated today (Monday),  with 35 to 50 percent common (except for

percents in the 20s in the  Antelope Valley). Tuesday and Wednesday

will see some drying, with  valleys and mountains falling to the

25 to 35 percent range, and 10 to  20 percent across the Antelope

Valley east of the Highway 14 Corridor. 



Northerly wind gusts of 15 to 30 mph will be common across the 

Interstate 5 Corridor through tonight. Sundowner winds will develop

this evening across southwestern Santa Barbara County, mainly

focused west  of Goleta out to Gaviota, where gusts of 30 to 50 mph

are likely.  Onshore winds will peak at around 20 to 35 mph Wednesay

afternoon and  evening for the Antelope Valley and foothills. 



This weekend a very cold low pressure storm system may pass over the

 region, bringing the potential for widespread rain, mountain snow,

and a 5 to 10 percent chance of thunderstorms. Low confidence in 

precipitation, but high confidence in gusty Advisory Level winds

across  much of the region. 





$$