Flood Advisory for Los Angeles, CA
Official alert fields
What you need to know
- Applies to
- Los Angeles
- Effective
- Ends or expires
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
What: Arroyo and small stream flooding caused by excessive rainfall is expected. Impacts: Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos and dry washes. Minor debris flows may occur in the recent burn scars. Water over roadways. Where: Eastern Los Angeles County...
What the bulletin says to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Full official description
Bulletin details
* WHAT...Arroyo and small stream flooding caused by excessive rainfall is expected. * WHERE...Eastern Los Angeles County in southwestern California... including the Summit and Bridge burn scars... * WHEN...Until 745 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos and dry washes. Minor debris flows may occur in the recent burn scars. Water over roadways. * ADDITIONAL DETAILS... At 146 PM PDT, Doppler radar and automated rain gauges indicated heavy rain. This will cause arroyo and small stream flooding. Between 0.5 and 0.8 inches of rain have fallen. Rainfall rates will generally range around 0.25 to 0.33 inch per hour. Isolated rates may reach 0.50 inch per hour for brief periods. Some locations that will experience flooding include... Wrightwood, Llano, Valyermo, Highway 138 between Llano and the San Bernardino County line, Angeles Crest Highway between Mount Waterman and Wrightwood and Big Pines. Recent burn scars including the Summit and Bridge burn scars. http://www.weather.gov/safety/flood
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Flood Advisory issued September 6 at 1:52PM PDT until September 6 at 7:45PM PDT by NWS Los Angeles/Oxnard CA
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Los Angeles/Oxnard CA. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected