467 
WGUS56 KSGX 112054
FFWSGX
CAC065-073-112300-
/O.NEW.KSGX.FF.W.0004.260811T2054Z-260811T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Diego CA
Issued by National Weather Service Los Angeles/Oxnard CA
154 PM PDT Tue Aug 11 2026

The National Weather Service in San Diego has issued a

* Flash Flood Warning for...
  Extreme Southeastern Riverside County in southern California...
  Extreme Northeastern San Diego County in southwestern California...

* Until 400 PM PDT.

* At 154 PM PDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. The expected rainfall rate is 1
  to 2 inches in 1 hour. Flash flooding is ongoing or expected to
  begin shortly.

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

  SOURCE...Radar indicated.

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

* Some locations that will experience flash flooding include...
  Thermal and Santa Rosa Mountain.

Flood waters can surge through normally dry washes, far away from
ongoing thunderstorm activity.

Be aware of rapidly rising waters even outside of heavy rain and
thunderstorms.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3343 11637 3354 11643 3359 11630 3354 11617
      3348 11608 3342 11609 3337 11611 3333 11620
      3338 11634

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

$$

Cohen/Black

554 
WGUS76 KSGX 112302 RRC
FFSSGX

Flash Flood Statement
National Weather Service San Diego CA
Issued by National Weather Service Los Angeles/Oxnard CA
402 PM PDT Tue Aug 11 2026

CAC065-073-112312-
/O.EXP.KSGX.FF.W.0004.000000T0000Z-260811T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Riverside CA-San Diego CA-
402 PM PDT Tue Aug 11 2026

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHEASTERN RIVERSIDE AND
NORTHEASTERN SAN DIEGO COUNTIES...

The heavy rain has moved out of the area. However, additional
isolated showers are possible in the next few hours. Please continue
to heed remaining road closures and keep in mind that mudslides and
rockslides can occur many hours after the rain has ended.

&&

LAT...LON 3343 11637 3354 11643 3359 11630 3354 11617
      3348 11608 3342 11609 3337 11611 3333 11620
      3338 11634

$$

Cohen/Lund