OC Watersheds Rainfall and Weather Data
Storm Data (current data) provides
near real time and current daily rainfall accumulations from the Orange County Automated
Local Evaluation in Real Time (ALERT) telemetry system rain gages. The real time
storm data is automatically updated to the www.ocwatersheds.com Web site every 6
to 12 minutes. Daily accumulations of storm data for the previous one, two and three
days are updated every morning at 8:00 AM. Note: Times are Pacific Standard Time.
Rainfall Data (past data) provides
Orange County rainfall information for the latest storm event. The rainfall information
is manually updated during and immediately following storms. Daily rainfall data
accumulations for the current year are provided for three non-ALERT Orange County
stations, Costa Mesa Station #219, Santa Ana Station #121, and Villa Park Dam Station
#173, and one ALERT gage, Santiago Peak Station #156.
Hydrologic Data Reports are prepared annually and summarize hydrologic
data from 66 ALERT rain gages, 47 recording, non-reporting rain gages, and 36 flood
control, retarding basin and reservoir water level stations.
ALERT System (Automated Local Evaluation in Real Time) flood detection
system consists of numerous automated rain gages, water level sensors, and computer
base stations operated by California Counties in cooperation with the National Weather
Service for real time monitoring of storm conditions via real time radio telemetry.
Weather Links provide sources of regional, state, and national
weather information including; local weather radar images, short range weather forecasts,
beach conditions, and river information. www.ocwatersheds.com doesn't take responsibility
for the material or data provided by the outside links provided.
Regional Weather Information
- National Weather Service San Diego: Provides
weather forecasts for Orange, San Diego, San Bernardino, and Riverside Counties.
- National Weather Service Los Angeles/Oxnard:
Provides weather forecasts for Los Angeles, Ventura, Santa Barbara, and San Luis
Obisbo Counties.
- Coastal Data Information Program: Provides coastal
wave and surf predictions.
- California Nevada River Forecast Center:
Provides weather information, forecasts, and predictions for California and Nevada
watersheds.
- U.S. Army Corps of Engineers
(ACOE) Los Angeles District: Provides information about rivers and dams in Southern
California including the Santa Ana River. The Reservoir Regulation Page provides
telemetry data for the Santa Ana River watershed including, Seven Oaks, Prado, Villa
Park, Carbon Canyon, Brea, and Fullerton Dams.
National Weather Information
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