The ALERT Flood Warning System and its Uses

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• The ALERT Flood Warning System and its Uses

Rand Allan, Associate Meteorologist rallanpw_at_co.sa
n-diego.ca.us [phone]
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ALERT FLOOD WARNING
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• Automatic Local Evaluation in Real -Time
• Real-time radio telemetry, continuous
  operations
• In San Diego County
• 61 rain,11 stream, 11 lake, 10 weather
• 3 base station computers
• NWS internet access

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ALERT groups in the United States
ALERT
ALERT/IFLOWS
SAAS
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Responsibilities of Flood Control

• Maintain the ALERT system
• Assess potential for flooding
• Advise NWS, ODP, Select Agencies

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Responsibilities of Office of Disaster
Preparedness

• Coordinate relief operations when needed
• Disseminate warning information to the various
  agencies

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Responsibilities of the National Weather Service

• Provide daily weather forecasts
• Provide flood watches and warnings
• Disseminate timely warning information to the
  general public

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Benefits of the ALERT System

• Real-Time Weather Data
• Used by NWS and Flood Control to provide
  Nowcasting support
• Used by NWS to calibrate weather radar
• Provides detailed historical data for litigation,
  analysis, design studies, and documentation of
  weather events
• Internet Address http//nimbo.wrh.noaa.gov/Sandi
  ego/local.htmlPrecip

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