605 
WGUS66 KSGX 010521
FFASGX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE San Diego CA
921 PM PST Thu Jan 31 2019

CAZ048-055>057-065-552-554-011400-
/O.NEW.KSGX.FF.A.0004.190202T1500Z-190203T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Bernardino County Mountains-Riverside County Mountains-
Santa Ana Mountains and Foothills-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Crestline, 
Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, 
Wrightwood, Idyllwild-Pine Cove, Banning, Desert Hot Springs, 
Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, 
San Clemente, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, 
Fullerton, and Mission Viejo
921 PM PST Thu Jan 31 2019

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

The National Weather Service in San Diego has issued a

* Flash Flood Watch for A portion of southwest California... 
  including the following...all of Orange County...The Inland 
  Empire...and the Coast-Facing slopes of the San Bernardino and 
  Riverside County Mountains. 

* Saturday from 7 AM through Midnight.

* A very moist and intense storm system will bring bands of
  rain...heavy at times Saturday and Saturday evening. Rainfall
  rates of one-half to 1 inch per hour will be possible. The
  heaviest rain will fall along the coast-facing slopes of the 
  San Bernardino and Riverside County Mountains. 
  
* Heavy rainfall could trigger flash flooding of low lying areas,
  urbanized street flooding, and debris flows in and near recent
  wildfire burn scars, including the Holy, Canyon 1, and 
  Cranston. The most likely period of heavy rainfall will be Noon 
  to 8 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take
action should Flash Flood Warnings be issued.

&&

$$

jmb

weather.gov