Los Angeles

Flash Flood Warning:

Issued at: 4:01 PM PDT on July 30, 2015, expires at: 6:15 PM PDT on July 30, 2015
  • ...The Flash Flood Warning remains in effect until 545 PM PDT for the mountains in northwestern Los Angeles and northeastern Ventura counties... At 335 PM PDT...Doppler radar continued to indicate a cluster of strong thunderstorms producing very heavy rainfall across northwest Los Angeles County and northeast Ventura County. Flash flooding will continue to impact the warning area through 545 PM...including Interstate 5 and Highway 138. The heaviest rainfall between 240 and 340 PM has occurred along Interstate 5 near Pyramid Lake and Castaic lake...where Doppler radar has estimated over 2 inches per hour. Excessive rainfall over the warned area will cause mud and rock slides near steep terrain...potentially impacting portions of Interstate 5 and Highway 138. Some locations that will experience flooding include... Gorman... Pyramid Lake...Castaic lake...Interstate 5... and Highway 138 near Quail Lake. Precautionary/preparedness actions... Turn around...dont drown when encountering flooded roads. Most flood deaths occur in vehicles. Lat...Lon 3454 11865 3445 11878 3469 11894 3479 11890 3479 11888 3481 11889 3482 11889 3482 11868 Gomberg/Smith 319 PM PDT Thu Jul 30 2015 ...The Flash Flood Warning remains in effect until 430 PM PDT for north central Los Angeles County... At 319 PM PDT...Doppler radar continued to indicate thunderstorms producing heavy rain across the warned area. Local gages show rainfall totals up to one and one quarter inches of rain...and Doppler radar esimates up to two inches of rain over Highway 14 west of Acton. California Highway patrol has reported heavy mud and flooding on Highway 14 between Escondido and red Rover mine Road. Some locations that will experience flooding if they have not already include...Acton... Santa Clarita...Highway 14 and the powerhouse burn area. Precautionary/preparedness actions... Move to higher ground now. Act quickly to protect your life. Turn around...dont drown when encountering flooded roads. Most flood deaths occur in vehicles. Lat...Lon 3428 11822 3437 11851 3456 11864 3471 11852 3482 11830 3457 11794 Smith/gomberg 327 PM PDT Thu Jul 30 2015 ...The Flash Flood Warning remains in effect until 445 PM PDT for northwestern Los Angeles and north central Ventura counties... At 321 PM PDT...Doppler radar indicated thunderstorms continue producing heavy rain across the warned area. Doppler radar-estimated rainfall indicates rain amounts up to one and a half inches with up to one and a half inches per hour rain rates. The heaviest cell is currently over far northeast Ventura County...about 10 miles east of Lockwood Valley. Precautionary/preparedness actions... Move to higher ground now. Act quickly to protect your life. Turn around...dont drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report flooding to your local law enforcement agency when you can do so safely. Lat...Lon 3481 11898 3479 11898 3479 11891 3481 11889 3469 11894 3459 11917 3481 11924 Jackson 310 PM PDT Thu Jul 30 2015 The National Weather Service in Oxnard has issued a
  • Flash Flood Warning for... northeastern Los Angeles County in southwestern California...
  • until 615 PM PDT
  • at 310 PM PDT...Doppler radar indicated a thunderstorm producing heavy rain across the warned area. Flash flooding is expected to begin shortly if not already occurring. These thunderstorms are capable of producing dangerous cloud to ground lightning...strong gusty winds and small hail. Large hail may also occur.
  • Some locations that will experience flooding include... Wrightwood...Llano...Pearblossom...and Big Pines. The Pine burn area may also be affected...producing dangerous debris flows. Precautionary/preparedness actions... Turn around...dont drown when encountering flooded roads. Most flood deaths occur in vehicles. Move away from recently burned areas. The heavy rains will likely trigger Rockslides...mudslides and debris flows in steep terrain...especially in and around these areas. Lat...Lon 3425 11766 3444 11804 3468 11785 3455 11766 3445 11766 3433 11765 Smith

Areal Flood Advisory:

Issued at: 1:29 PM PDT on July 30, 2015, expires at: 4:30 PM PDT on July 30, 2015
  • The National Weather Service in Oxnard has issued a
  • Urban and Small Stream Flood Advisory for... northern Los Angeles County in southwestern California...
  • until 430 PM PDT
  • at 129 PM PDT...Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. These storms are moving to the northwest at 10 to 15 mph so flash flooding is not expected at this time. However minor flooding of low lying areas...especially near recent burn areas and below dry washes...will be possible through late this afternoon. Minor flooding of low lying roads in urban areas will be likely. These thunderstorms will also be capable of producing dangerous cloud to ground lightning...strong gusty winds and small hail.
  • Some locations that will experience flooding include...Palmdale... Lake Los Angeles...Pearblossom...Lake Palmdale...Lake Hughes... Acton...Canyon country and Santa Clarita. Precautionary/preparedness actions... Do not drive your vehicle into areas where the water covers the roadway. The water depth may be too great to allow your car to cross safely. Move to higher ground. Lat...Lon 3434 11765 3436 11783 3438 11838 3435 11865 3481 11888 3480 11769 Smith/kittell

Areal Flood Advisory, Flash Flood Watch:

Issued at: 1:29 PM PDT on July 30, 2015, expires at: 8:00 PM PDT on July 30, 2015
  • The National Weather Service in Oxnard has issued a
  • Urban and Small Stream Flood Advisory for... northern Los Angeles County in southwestern California...
  • until 430 PM PDT
  • at 129 PM PDT...Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. These storms are moving to the northwest at 10 to 15 mph so flash flooding is not expected at this time. However minor flooding of low lying areas...especially near recent burn areas and below dry washes...will be possible through late this afternoon. Minor flooding of low lying roads in urban areas will be likely. These thunderstorms will also be capable of producing dangerous cloud to ground lightning...strong gusty winds and small hail.
  • Some locations that will experience flooding include...Palmdale... Lake Los Angeles...Pearblossom...Lake Palmdale...Lake Hughes... Acton...Canyon country and Santa Clarita. Precautionary/preparedness actions... Do not drive your vehicle into areas where the water covers the roadway. The water depth may be too great to allow your car to cross safely. Move to higher ground. Lat...Lon 3434 11765 3436 11783 3438 11838 3435 11865 3481 11888 3480 11769 Smith/kittell 120 PM PDT Thu Jul 30 2015 ...Flash Flood Watch remains in effect until 8 PM PDT this evening... The Flash Flood Watch continues for
  • the Antelope Valley and the Los Angeles County mountains excluding the Santa Monica range.
  • Through this evening
  • rainfall rates of 1 to 2 inches per hour or greater are possible with some storms.
  • Impacts...heavy rain could lead to flash flooding...mud and debris flows...and . Roads could be closed due to water flowing over them as well as mud and rocks washing onto them. The recent pines burn area will be at risk for mud and debris flows if heavy rain occurs. Precautionary/preparedness actions... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. Anyone traveling into or through the watch area today and early tonight should check the latest National Weather Service statements and possible warning. Also...check the latest Road conditions.
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