| Although the Department operates and maintains 273 raingage stations, including those which record amounts for durations ranging from 5 minutes to 24 hours, only daily and annual amounts for the report period are listed herein. Additional data (e.g., intensities) can be obtained by contacting the custodian of hydrologic records. |
ALERT SYSTEM
Automated Local Evaluation in Real Time:
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| The Department of Public Works operates and maintains a state-of-the-art ALERT computer system to monitor meteorological conditions in the County and Southern California in real time, i.e., as they occur. The system includes a network of field sensors that monitor and receive precipitation amounts including rainfall data from the Corps of Engineers' Los Angeles Telemetry System. During the 1996-97 Water Year the Department converted all of its automatic recording raingage stations from weighing bucket mechanisms to ALERT stations with tipping bucket mechanisms. |
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The cooperation of observers in furnishing rainfall data to the Department as a public service is appreciated. The effort of the many agencies and individuals who have so freely cooperated with us in the collection of this data have resulted in the large number of complete records for the period covered by this report.
Data from 22 stations of the Department's records are reported and published by the National Oceanic and Atmospheric Administration (NOAA).
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Unpublished information may be obtained by contacting:
Los Angeles County Department of Public Works
Water Resources Division
P.O. Box 1460
Alhambra, CA 91802-1460
...or telephone: (626) 458-6120
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