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Home Return to list Flash Flood Warning 0044 Issued by the Phoenix Forecast Office
Action: New Issued At: 2026-08-15 18:16:31
269
WGUS55 KPSR 152316
FFWPSR
CAC065-160215-
/O.NEW.KPSR.FF.W.0044.260815T2316Z-260816T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
416 PM PDT Sat Aug 15 2026
The National Weather Service in Phoenix has issued a
* Flash Flood Warning for...
Riverside County in southern California...
* Until 715 PM PDT.
* At 416 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.75 and 1.5 inches of
rain have fallen. Additional rainfall amounts up to 1 inch 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 indicated.
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 Riverside County.
This includes the following highways...
CA Interstate 10 between mile markers 108 and 109. CA Route 177
between mile markers 2 and 9.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3372 11537 3376 11543 3382 11537 3382 11531
3379 11521 3375 11513 3371 11525 3370 11535
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Action: Continued Issued At: 2026-08-15 19:27:03
266
WGUS75 KPSR 160026
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
526 PM PDT Sat Aug 15 2026
CAC065-160215-
/O.CON.KPSR.FF.W.0044.000000T0000Z-260816T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Riverside CA-
526 PM PDT Sat Aug 15 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM PDT THIS
EVENING FOR RIVERSIDE COUNTY...
At 526 PM PDT, Doppler radar indicated thunderstorms have ended
across the warned area. However, between 0.75 and 1.75 inches of rain
have fallen. Flooding impacts will continue, but no additional
rainfall is expected.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of creeks and streams, urban
areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Mainly rural areas of Riverside County.
This includes the following highways...
CA Interstate 10 between mile markers 108 and 109. CA Route 177
between mile markers 2 and 9.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3372 11537 3376 11543 3382 11537 3382 11531
3379 11521 3375 11513 3371 11525 3370 11535
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Action: Continued Issued At: 2026-08-15 20:16:04
800
WGUS75 KPSR 160115
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
615 PM PDT Sat Aug 15 2026
CAC065-160215-
/O.CON.KPSR.FF.W.0044.000000T0000Z-260816T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Riverside CA-
615 PM PDT Sat Aug 15 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM PDT THIS
EVENING FOR RIVERSIDE COUNTY...
At 615 PM PDT, Doppler radar indicated thunderstorms have ended
across the warned area. However, between 0.75 and 1.75 inches of rain
have fallen. Flooding impacts will continue, but no additional
rainfall is expected.
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...
Mainly rural areas of Riverside County.
This includes the following highways...
CA Interstate 10 between mile markers 108 and 109. CA Route 177
between mile markers 2 and 9.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3372 11537 3376 11543 3382 11537 3382 11531
3379 11521 3375 11513 3371 11525 3370 11535
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
18
Action: Expired Issued At: 2026-08-15 21:06:36
926
WGUS75 KPSR 160206
FFSPSR
Flash Flood Statement
National Weather Service Phoenix AZ
706 PM PDT Sat Aug 15 2026
CAC065-160216-
/O.EXP.KPSR.FF.W.0044.000000T0000Z-260816T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Riverside CA-
706 PM PDT Sat Aug 15 2026
...FLASH FLOOD WARNING WILL EXPIRE AT 715 PM PDT THIS EVENING FOR
RIVERSIDE COUNTY...
The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
&&
LAT...LON 3372 11537 3376 11543 3382 11537 3382 11531
3379 11521 3375 11513 3371 11525 3370 11535
$$
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