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Home Return to list Areal Flood Advisory 0042 Issued by the San Diego Forecast Office
Action: New Issued At: 2026-08-15 18:36:32
768
WGUS86 KSGX 152336
FLSSGX
Flood Advisory
National Weather Service San Diego CA
436 PM PDT Sat Aug 15 2026
CAC071-160145-
/O.NEW.KSGX.FA.Y.0042.260815T2336Z-260816T0135Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
436 PM PDT Sat Aug 15 2026
...FLOOD ADVISORY IN EFFECT UNTIL 635 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 635 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rises in small streams and normally dry arroyos.
* ADDITIONAL DETAILS...
- At 436 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1 inch of rain
has fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Northern Lucerne Valley.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 3452 11688 3476 11678 3475 11655 3451 11666
$$
KW
Action: Cancelled Issued At: 2026-08-15 20:18:35 820 WGUS86 KSGX 160118 FLSSGX Flood Advisory National Weather Service San Diego CA 618 PM PDT Sat Aug 15 2026 CAC071-160128- /O.CAN.KSGX.FA.Y.0042.000000T0000Z-260816T0135Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ San Bernardino CA- 618 PM PDT Sat Aug 15 2026 ...FLOOD ADVISORY IS CANCELLED... The Flood Advisory is cancelled for a portion of Southwest California, including the following area, San Bernardino. The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 3452 11688 3476 11678 3475 11655 3451 11666 $$ KW | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||