| snippet:
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Near real time rainfall accumulations. The data provided by the ALERT telemetry system is automatically updated approximately every 5 minutes. |
| summary:
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Near real time rainfall accumulations. The data provided by the ALERT telemetry system is automatically updated approximately every 5 minutes. |
| extent:
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[[-118.066717757055,33.4299350586626],[-117.410714438207,33.9370590928598]] |
| accessInformation:
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OC Environmental Resources |
| thumbnail:
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thumbnail/thumbnail.png |
| maxScale:
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1.7976931348623157E308 |
| typeKeywords:
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["Data","Service","Map Service","ArcGIS Server"] |
| description:
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ALERT stands for Automated Local Evaluation in Real Time, a method of using remote sensors to transmit data to a central computer in real time. This standard was developed in the 1970s by the National Weather Service and has been used by organizations of all levels such as the National Weather Service, Army Corps of Engineers and Bureau of Reclamation.
Orange County initiated its ALERT System in 1983 to provide additional quantitative weather information to support storm operations personnel. Sensors were initially installed along the Santa Ana River and in four South County Channels: San Juan Creek, Arroyo Trabuco Creek, Oso Creek, and Aliso Creek. The system has subsequently been expanded to monitor other flood control channels and retarding basins.
The Orange County ALERT System consists of three computer base stations and three radio repeaters. The radio repeater located on Santiago Peak receives and re-transmits telemetry from field sensors located in Los Angeles, San Bernardino, and Orange Counties. One of the two receiver base stations located at the OC Public Works yard on Glassell Street in Orange is a server connected to the OC Public Works Department Intranet, providing access to Department personnel from their workstations. In response to extreme weather conditions the OC Public Works - Department Operations Center (DOC) opens to coordinate monitoring and response to threats of flooding, mudslides, and debris flows. During these periods, the ALERT System provides crucial continuous information to the DOC. |
| licenseInfo:
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| catalogPath:
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|
| title:
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Current Rainfall Totals |
| type:
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Map Service |
| url:
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|
| tags:
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["OC Environmental Resources","Rainfall","ALERT","Environmental","Meterological","Water"] |
| culture:
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en-US |
| name:
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Current_Rainfall_Totals |
| guid:
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7E7F48DE-4991-41B3-9828-5C6A5F81E09C |
| minScale:
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0 |
| spatialReference:
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NAD_1983_StatePlane_California_VI_FIPS_0406_Feet |