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Automated Flash Flood Forecasting Systems

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Automated Flash Flood Forecasting Systems – PowerPoint PPT presentation

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Title: Automated Flash Flood Forecasting Systems


1
Automated Flash Flood Forecasting Systems
International Workshop on Flash Flood
Forecasting San Jose, Costa Rica, 13-17 March
2006 Session 2 Emerging Technologies
  • Fact or Fantasy?

2
Urban Drainage and Flood Control District
3
Motivation
1976
1996
1985
1972
4
Early Prediction Notification
  • Meteorological Support (27 years)
  • National Weather Service
  • Urban Drainage and Flood Control
    District(Private Meteorologist)
  • Local Flood Warning Program
  • early notification, forecasting, detection and
    warning capabilities(Basin-Specific Flood
    Warning Plans)
  • EOC Activation
  • communications, weather/flood monitoring, early
    mobilization, coordination

5
Our Major DilemmaTime
6
ALERT Systems
  • Automated Local Evaluation in Real-Time

7
Automated Flood Detection
ALERT Rain Gage
ALERTrain/stream gage
ALERTstream gage co-located with USGS river
gaging station
ALERTweatherstation
8
Typical ALERT Site
9
Public and Emergency Services Webservers
10
ALERT Mesonetbefore the storm
11
Real-Time Rainfall Stream Levels
12
Emerging Technologies
  • Internet-driven paging alarming(push pull)
  • GIS integration using XML SVG (the new
    Internet language)
  • Multiple data source integration
  • Real-time flood inundation mapping
  • Build your own custom displays
  • Data processing analysis by others
  • Decision support for emergency managers

13
Rainfall Rate Alarms
Automatically disseminatedvia email and text
messaging
14
Automated Alarm Notificationscell
phones/computers/pagers/PDAs
15
Data Integration
  • One-Stop Shopping

16
Rainfall Data Integration
ALERT Rain Gage Network
ALERT CoCoRaHS
17
(No Transcript)
18
Automated Forecasting?
  • You be the judge

19
Synchronized Integration
  • Animated Display
  • TITAN modelfrom NCAR
  • NWS Radar
  • ALERT Rainfall

Real-time synchronization of surface rainfall
measurements, radar imagery and storm track
forecasting model output
20
Emerging GIS Capabilities
21
Integrated Flood Threat Recognition
22
Real-Time Hydrologic Models
23
Aviso Watch Yellow Alert
Aviso Watch Yellow. Observed water levels.
Boulder Creek at Boulder Falls (ALERT 4393).
93936 AM MST Monday, April 18, 2005
24
Aviso Watch 3000cfs Inundation
25
Aviso Watch Red Alert
Aviso Watch Red. Forecast Basin-avg precip.
Fourmile Creek at Long Gulch (Sub12). 095457 AM
MST Monday, April 18, 2005
26
Aviso Watch 12,000cfs Inundation
27
Depth Inundation Zones
28
And sometimes we just miss the peak.
29
Thank you
Kevin Stewart, Manager Information Services and
Flood Warning Program Urban Drainage and Flood
Control District Denver, Colorado Chairman,
National Hydrologic Warning Council
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