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Flash Flood Warning


Flash Flood Statement
National Weather Service San Diego CA
454 PM PDT Fri Jul 18 2025

CAC071-190100-
/O.CON.KSGX.FF.W.0013.000000T0000Z-250719T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
454 PM PDT Fri Jul 18 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING
FOR SAN BERNARDINO COUNTY...

At 454 PM PDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 1.5 inches of rain have
fallen. The expected rainfall rate is 0.25 inches in 1 hour.
Additional rainfall amounts up to 0.25 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  mainly rural areas of San Bernardino County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.

&&

LAT...LON 3466 11664 3474 11651 3474 11648 3474 11642
      3468 11650 3465 11650 3463 11650 3462 11650
      3460 11651

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.25 INCHES IN 1 HOUR

$$

Munyan

Flash Flood Statement
National Weather Service San Diego CA
433 PM PDT Fri Jul 18 2025

CAC065-190030-
/O.CON.KSGX.FF.W.0012.000000T0000Z-250719T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Riverside CA-
433 PM PDT Fri Jul 18 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM PDT THIS
AFTERNOON FOR RIVERSIDE COUNTY...

At 433 PM PDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 1.5 inches of rain have
fallen. The expected rainfall rate is 0.25 inches in 1 hour.
Additional rainfall amounts up to 0.25 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Anza, Hwy 74 Between Mountain Center And Anza and Lake Hemet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3364 11685 3371 11686 3370 11680 3363 11661
      3356 11669

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.25 INCHES IN 1 HOUR

$$

Munyan

Flash Flood Statement
National Weather Service San Diego CA
431 PM PDT Fri Jul 18 2025

CAC071-190030-
/O.CON.KSGX.FF.W.0011.000000T0000Z-250719T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
431 PM PDT Fri Jul 18 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM PDT THIS
AFTERNOON FOR SAN BERNARDINO COUNTY...

At 431 PM PDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 1.5 inches of rain have
fallen. Flooding impacts will continue, but no additional rainfall
is expected. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Lucerne Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3449 11663 3453 11678 3466 11672 3467 11667
      3462 11651

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Munyan

Flash Flood Warning
CAC037-190200-
/O.NEW.KLOX.FF.W.0016.250718T2330Z-250719T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Los Angeles/Oxnard CA
430 PM PDT Fri Jul 18 2025

The National Weather Service in Los Angeles/Oxnard has issued a

* Flash Flood Warning for...
  East Central Los Angeles County in southwestern California...

* Until 700 PM PDT.

* At 430 PM PDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is ongoing or
  expected to begin shortly.

  HAZARD...Life threatening flash flooding, debris flows, and
           landslides.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.
           Significant debris flows and landslides.

* Some locations that will experience flash flooding include...
  mainly rural areas of Eastern Los Angeles County including
  Southwestern portions of the Bridge Burn Scar.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Warning for a recent burn area means that flooding and
debris flows are imminent or occurring. Residents living in or
immediately downstream should take immediate precautions to protect
life and property. Follow instructions from emergency management and
law enforcement on actions to take.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

&&

LAT...LON 3430 11783 3433 11781 3432 11774 3427 11773
      3421 11779

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Black/Munroe

Flash Flood Statement
National Weather Service Los Angeles/Oxnard CA
333 PM PDT Fri Jul 18 2025

CAC037-190100-
/O.CON.KLOX.FF.W.0015.000000T0000Z-250719T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Los Angeles CA-
333 PM PDT Fri Jul 18 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING
FOR EAST CENTRAL LOS ANGELES COUNTY...

At 333 PM PDT, The earlier strong storm has subsided and moved out
of the warned area, however additional storm development is still
expected shortly.

Rainfall rates of 0.5 to 1 inch per hour, and life-threatening flash
flooding, debris flows, and landslides are ongoing or expected to
begin shortly.

HAZARD...Life threatening flash flooding, debris flows, and
         landslides.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.
         Significant debris flows and landslides.

Some locations that will experience flash flooding include...
mainly rural areas of Eastern Los Angeles County including
Southeastern portions of the Bridge Burn Scar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

A Flash Flood Warning for a recent burn area means that flooding and
debris flows are imminent or occurring. Residents living in or
immediately downstream should take immediate precautions to protect
life and property. Follow instructions from emergency management and
law enforcement on actions to take.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3420 11767 3418 11771 3418 11776 3420 11779
      3425 11776 3429 11770 3429 11767 3429 11766
      3428 11765 3426 11766 3424 11766 3421 11767

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR

$$

Cohen/Munroe/Schoenfeld


Flood Advisory


Flood Advisory
National Weather Service San Diego CA
414 PM PDT Fri Jul 18 2025

CAC071-190115-
/O.NEW.KSGX.FA.Y.0024.250718T2314Z-250719T0103Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
414 PM PDT Fri Jul 18 2025

...FLOOD ADVISORY IN EFFECT UNTIL 603 PM PDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...A portion of Southwest California, including the following
  county, San Bernardino.

* WHEN...Until 603 PM PDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
  - At 414 PM PDT, Doppler radar indicated heavy rain due to
    thunderstorms. Minor flooding is ongoing or expected to begin
    shortly in the advisory area. Between 0.25 and 0.75 inches of
    rain have fallen.
  - Additional rainfall amounts of 0.25 to 0.75 inches are
    expected over the area. This additional rain will result in
    minor flooding.
  - Some locations that will experience flooding include...
    Wrightwood, Hwy 2 Between Phelan And Wrightwood, Hwy 138
    Between I-15 And Hwy 2, Pinon Hills and Phelan.
  - https://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Move away from recently burned areas. Life-threatening flooding of
creeks, roads and normally dry arroyos is possible. The heavy rains
may trigger rockslides, mudslides and debris flows in steep terrain,
especially in and around these areas.

&&

LAT...LON 3421 11767 3429 11765 3443 11766 3443 11753
      3424 11757


$$

Munyan

Flood Advisory
National Weather Service Los Angeles/Oxnard CA
404 PM PDT Fri Jul 18 2025

CAC037-190100-
/O.NEW.KLOX.FA.Y.0043.250718T2304Z-250719T0100Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Los Angeles CA-
404 PM PDT Fri Jul 18 2025

...FLOOD ADVISORY IN EFFECT UNTIL 6 PM PDT THIS EVENING...

* WHAT...Minor flooding or debris flows caused by excessive rainfall
  is expected.

* WHERE...Northern portions of the Bridge Burn Scar in northeast Los
  Angeles County

* WHEN...Until 600 PM PDT.

* IMPACTS...Rises in small streams and normally dry arroyos
  including minor mud or debris flows. Dangerous flows over
  low-water crossings.

* ADDITIONAL DETAILS...
  - At 403 PM PDT, Doppler radar indicated heavy rain due to
    thunderstorms. Minor flooding or debris flows is ongoing or
    expected to begin shortly in the advisory area.
  - Additional thunderstorms with worsening impacts are possible
    through early this evening.
  - Some locations that will experience flooding include...
    Wrightwood, Angeles Crest Highway between Mount Waterman and
    Wrightwood and Big Pines.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

&&

LAT...LON 3429 11770 3425 11775 3422 11777 3421 11779
      3430 11783 3434 11780 3438 11779 3441 11778
      3444 11766 3429 11765 3428 11765 3429 11766


$$

Munroe/Black/Schoenfeld


Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
213 PM PDT Fri Jul 18 2025

PZZ565-190515-
/O.EXT.KMTR.SC.Y.0124.250718T2200Z-250719T1600Z/
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 NM-
213 PM PDT Fri Jul 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT SATURDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt.

* WHERE...Coastal Waters from Point Pinos to Point Piedras
  Blancas California out to 10 NM.

* WHEN...Until 9 AM PDT Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
210 PM PDT Fri Jul 18 2025

PZZ670-190515-
/O.EXT.KLOX.SC.Y.0117.250718T2200Z-250720T1000Z/
Point Piedras Blancas to Point Sal from 10 to 60 NM-
210 PM PDT Fri Jul 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PDT SUNDAY...

* WHAT...Hazardous sea conditions.

* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM.

* WHEN...Until 3 AM PDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
  for more.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
210 PM PDT Fri Jul 18 2025

PZZ673-676-190515-
/O.EXT.KLOX.SC.Y.0117.250718T2200Z-250721T1000Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
210 PM PDT Fri Jul 18 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PDT MONDAY...

* WHAT...Hazardous sea conditions.

* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and
  westward 60 nm including San Miguel and Santa Rosa Islands and
  Outer waters from Santa Cruz Island to San Clemente Island to
  60 NM offshore including San Nicolas and Santa Barbara Islands.

* WHEN...Until 3 AM PDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
  for more.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Special Weather Statement


Special Weather Statement
National Weather Service OXNARD CA
445 PM PDT Fri Jul 18 2025

CAZ380-382-383-190045-
Eastern San Gabriel Mountains CA-
Eastern Antelope Valley Foothills CA-Antelope Valley CA-
445 PM PDT Fri Jul 18 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN LOS ANGELES COUNTY
THROUGH 545 PM PDT...

At 443 PM PDT, Doppler radar was tracking a strong thunderstorm near
Llano, or near Lake Los Angeles, moving south at 10 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Lake Los Angeles...
Llano...
Valyermo...
Highway 138 between Llano and the San Bernardino County line...
and Saddleback Butte State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3438 11790 3467 11785 3468 11767 3439 11766
TIME...MOT...LOC 2343Z 358DEG 9KT 3454 11775

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

$$

Black/Munroe

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE