Ataul Hannan, P.E., CFM Harris County Flood Control District
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Transcript of Ataul Hannan, P.E., CFM Harris County Flood Control District
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Ataul Hannan, P.E., CFMHarris County Flood Control District
Ataul Hannan, P.E., CFMHarris County Flood Control District
National Flood Workshop Houston, TX, October 24-26, 2010
National Flood Workshop Houston, TX, October 24-26, 2010
Real Time Flood Event Modeling Program
Real Time Flood Event Modeling Program
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Harris CountyHarris County
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Elevation ContourElevation Contour
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Our Soaked HistoryOur Soaked History
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Tropical Storm AllisonTropical Storm Allison
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Floodplain MapFloodplain Map
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• To create a planning and information To create a planning and information resource for:resource for:– Better understanding the ability of current Better understanding the ability of current
models to reflect observed flooding models to reflect observed flooding conditionsconditions
– Providing real-time and post-event Providing real-time and post-event evaluations of the effectiveness of county evaluations of the effectiveness of county flood management facilitiesflood management facilities
– Supporting existing Flood ALERT efforts Supporting existing Flood ALERT efforts staffed by HCFCD personnelstaffed by HCFCD personnel
• To create a planning and information To create a planning and information resource for:resource for:– Better understanding the ability of current Better understanding the ability of current
models to reflect observed flooding models to reflect observed flooding conditionsconditions
– Providing real-time and post-event Providing real-time and post-event evaluations of the effectiveness of county evaluations of the effectiveness of county flood management facilitiesflood management facilities
– Supporting existing Flood ALERT efforts Supporting existing Flood ALERT efforts staffed by HCFCD personnelstaffed by HCFCD personnel
PurposePurpose
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• Web-based intranet toolWeb-based intranet tool• Utilize existing HEC-HMS and HEC-RAS Utilize existing HEC-HMS and HEC-RAS
models developed for Harris Countymodels developed for Harris County• Link programs together to ingest rainfall Link programs together to ingest rainfall
and produce a real-time flood inundation and produce a real-time flood inundation mapmap
• Web-based intranet toolWeb-based intranet tool• Utilize existing HEC-HMS and HEC-RAS Utilize existing HEC-HMS and HEC-RAS
models developed for Harris Countymodels developed for Harris County• Link programs together to ingest rainfall Link programs together to ingest rainfall
and produce a real-time flood inundation and produce a real-time flood inundation mapmap
ObjectivesObjectives
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• Buffalo Bayou and White Oak Bayou Watersheds (unsteady flow network)
• Buffalo Bayou and White Oak Bayou Watersheds (unsteady flow network)
Pilot StudyPilot Study
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Link 1
External ProcessingNatural
Link
Link 2
Link 3
Timing AspectsTiming Aspects• Rainfall Data = 15 minutes Rainfall Data = 15 minutes
(continuous feed)(continuous feed)• Computation Time = 11 to 14 Computation Time = 11 to 14
minutesminutes• Antecedant Rainfall = 10 daysAntecedant Rainfall = 10 days
FEMPFEMP
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Parent ProgramParent Program
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Web ToolWeb Tool
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Web ToolWeb Tool
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Web ToolWeb Tool
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Web ToolWeb Tool
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Web ToolWeb Tool
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Web ToolWeb Tool
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TestTest
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TestTest
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TestTest
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TestTest
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TestTest
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Reduce the risk and rediscover the beautyReduce the risk and rediscover the beauty
QUESTIONS????