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Areal Flood Advisory 0052
Issued by the Las Vegas Forecast Office

Action Issued Starts Expiration
New 2026-08-10 19:21:32 2026-08-10 19:21:00 2026-08-10 22:15:00
Continued 2026-08-10 20:34:05 2026-08-10 22:15:00
Expired 2026-08-10 22:09:08 2026-08-10 22:15:00


Action: New
Issued At: 2026-08-10 19:21:32

480 
WGUS85 KVEF 110021
FLSVEF

Flood Advisory
National Weather Service Las Vegas NV
521 PM PDT Mon Aug 10 2026

CAC071-110315-
/O.NEW.KVEF.FA.Y.0052.260811T0021Z-260811T0315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
521 PM PDT Mon Aug 10 2026

...FLOOD ADVISORY IN EFFECT UNTIL 815 PM PDT THIS EVENING...

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

* WHERE...San Bernardino County in southern California...

* WHEN...Until 815 PM PDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Rises in small streams and normally dry arroyos.

* ADDITIONAL DETAILS...
  - At 521 PM PDT, Doppler radar indicated heavy rain due to
    thunderstorms. Minor flooding is ongoing or expected to begin
    shortly in the advisory area. Between 0.75 and 1.5 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...
    Dumont Dunes and Sr 127 Near Dumont Dunes.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont 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 3579 11635 3537 11633 3527 11619 3544 11576
      3556 11586 3579 11615


$$

JP


Action: Continued
Issued At: 2026-08-10 20:34:05

615 
WGUS85 KVEF 110133
FLSVEF

Flood Advisory
National Weather Service Las Vegas NV
633 PM PDT Mon Aug 10 2026

CAC071-110315-
/O.CON.KVEF.FA.Y.0052.000000T0000Z-260811T0315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
633 PM PDT Mon Aug 10 2026

...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 815 PM PDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...San Bernardino County in southern California...

* WHEN...Until 815 PM PDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Rises in small streams and normally dry arroyos.

* ADDITIONAL DETAILS...
  - At 632 PM PDT, Doppler radar indicated heavy rain due to
    thunderstorms. Minor flooding is ongoing or expected to begin
    shortly in the advisory area. Between 0.75 and 1.5 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...
    Dumont Dunes and Sr 127 Near Dumont Dunes.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont 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 3579 11635 3537 11633 3527 11619 3544 11576
      3556 11586 3579 11615


$$

Stessman


Action: Expired
Issued At: 2026-08-10 22:09:08

046 
WGUS85 KVEF 110308 RRA
FLSVEF

Flood Advisory
National Weather Service Las Vegas NV
808 PM PDT Mon Aug 10 2026

CAC071-110318-
/O.EXP.KVEF.FA.Y.0052.000000T0000Z-260811T0315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
808 PM PDT Mon Aug 10 2026

...FLOOD ADVISORY WILL EXPIRE AT 815 PM PDT THIS EVENING...

The Flood Advisory will expire at 815 PM PDT this evening for a
portion of southern California, including the following area, San
Bernardino near Dumont Dunes.

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.

&&

LAT...LON 3579 11635 3537 11633 3527 11619 3544 11576
      3556 11586 3579 11615


$$

Stessman



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