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Home Return to list Areal Flood Advisory 0039 Issued by the San Diego Forecast Office
Action: New Issued At: 2026-08-11 16:50:23
356
WGUS86 KSGX 112149
FLSSGX
Flood Advisory
National Weather Service San Diego CA
Issued by National Weather Service Los Angeles/Oxnard CA
249 PM PDT Tue Aug 11 2026
CAC073-112300-
/O.NEW.KSGX.FA.Y.0039.260811T2149Z-260811T2300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego CA-
249 PM PDT Tue Aug 11 2026
...FLOOD ADVISORY IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Central San Diego County in southwestern California...
* WHEN...Until 400 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rockslides and Mudslides are possible.
* ADDITIONAL DETAILS...
- At 248 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area.
- Some locations that will experience flooding include...
Julian, Hwy 78 Between Banner And S2, Cuyamaca Rancho State Park,
Hwy 79 Between Julian And Lake Cuyamaca, Lake Cuyamaca, Hwy S1
Between Lake Cuyamaca And Mount Laguna, Hwy S2 Between Hwy 79 And
Hwy 78 and Banner.
- https://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 3315 11664 3317 11646 3295 11646 3295 11663
$$
Lund/Cohen
Action: Expired Issued At: 2026-08-11 18:03:25 559 WGUS86 KSGX 112302 RRA FLSSGX Flood Advisory National Weather Service San Diego CA Issued by National Weather Service Los Angeles/Oxnard CA 402 PM PDT Tue Aug 11 2026 CAC073-112312- /O.EXP.KSGX.FA.Y.0039.000000T0000Z-260811T2300Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ San Diego CA- 402 PM PDT Tue Aug 11 2026 ...FLOOD ADVISORY HAS EXPIRED... The heavy rain has moved out of the area. However, additional isolated showers are possible in the next few hours. Please continue to heed remaining road closures and keep in mind that mudslides and rockslides can occur many hours after the rain has ended. && LAT...LON 3315 11664 3317 11646 3295 11646 3295 11663 $$ Lund/Cohen | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||