dark blue template for slide presentationsdnrc.mt.gov/divisions/water/operations/floodplain... ·...
TRANSCRIPT
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U.S. Department of the Interior U.S. Geological Survey
What if?
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U.S. Department of the Interior U.S. Geological Survey
USGS Flood Inundation Mapping Initiative Katherine Chase, USGS Association of Montana Floodplain Managers 17th Annual Conference Missoula, MT, March 6 – 9, 2017
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USGS Flood Inundation Mapper
http://wimcloud.usgs.gov/apps/FIM/FloodInundationMapper.html
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What is Flood Inundation Mapping? Flood Inundation Mapping (FIM)
• Real Time • Online • Operational • USGS streamgage readings • NWS Forecasts • FLOOD RISK
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Benefits • Public Safety • Understanding changing
natural processes that produce hazards
• Development of hazard mitigation strategies and technologies
• Effectively reduce vulnerability and repetition of loss to infrastructure
• Promotion of risk-wise behavior
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Flood Inundation Maps provide tools for flood…..
Preparedness “What-if” scenarios
Response Tied to gage & forecast
data Recovery Damage assessment
Mitigation & planning Flood risk analyses
Environmental & ecological assessments
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Integrated Water Research Science and Services (IWRSS) USGS
National Weather Service
U.S. Army Corps of Engineers
Federal Emergency Management Agency
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USGS Streamgages
USGS streamflow gaging station 06186500 Yellowstone River at Yellowstone Lake Outlet
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USGS At Work During Floods…
Milk River at Tampico
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USGS At Work … After Floods
Little Warm Creek nr Lodge Pole 10/17/2016
5/23/2016
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Web Portal
http://wimcloud.usgs.gov/apps/FIM/FloodInundationMapper.html
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FIMI Web Mapping Application
http://wimcloud.usgs.gov/apps/FIM/FloodInundationMapper.html 6
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U.S. Department of the Interior U.S. Geological Survey
FIMI WMA Screenshots
Backup Demo Plan
Marie Peppler, WI WSC WiM Coordinator
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20.00 ft
31.40 ft
ESTIMATED FLOOD� CONDITIONS
Selected Gage Height:20.00 feet
Selected NAVD88 Altitude:718.43 feet
Observed Predicted32
30
28
26
24
22
20
18
2/27/12 2/29/12 3/2/12 3/4/12 3/6/12 3/8/12 3/10/12
Action stage
Minor flooding
Moderate flooding
Major flooding
28.86 feet15,100 cfs
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20.00 ft
31.40 ft
ESTIMATED FLOOD� CONDITIONS
Selected Gage Height:23.00 feet
Selected NAVD88 Altitude:721.43 feet
Observed Predicted32
30
28
26
24
22
20
18
2/27/12 2/29/12 3/2/12 3/4/12 3/6/12 3/8/12 3/10/12
Action stage
Minor flooding
Moderate flooding
Major flooding
28.86 feet15,100 cfs
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20.00 ft
31.40 ft
ESTIMATED FLOOD� CONDITIONS
Selected Gage Height:27.00 feet
Selected NAVD88 Altitude:725.43 feet
Observed Predicted32
30
28
26
24
22
20
18
2/27/12 2/29/12 3/2/12 3/4/12 3/6/12 3/8/12 3/10/12
Action stage
Minor flooding
Moderate flooding
Major flooding
28.86 feet15,100 cfs
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20.00 ft
31.40 ft
ESTIMATED FLOOD� CONDITIONS
Selected Gage Height:29.00 feet
Selected NAVD88 Altitude:727.43 feet
Observed Predicted32
30
28
26
24
22
20
18
2/27/12 2/29/12 3/2/12 3/4/12 3/6/12 3/8/12 3/10/12
Action stage
Minor flooding
Moderate flooding
Major flooding
28.86 feet15,100 cfs
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20.00 ft
31.40 ft
ESTIMATED FLOOD� CONDITIONS
Selected Gage Height:31.40 feet
Selected NAVD88 Altitude:729.83 feet
Observed Predicted32
30
28
26
24
22
20
18
2/27/12 2/29/12 3/2/12 3/4/12 3/6/12 3/8/12 3/10/12
Action stage
Minor flooding
Moderate flooding
Major flooding
28.86 feet15,100 cfs
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WaterAlert form Site number, sent by mapper
Threshold level, selected by mapper
Personal info
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What is Measured at USGS Streamgages?
USGS streamflow gaging station 06186500 Yellowstone River at Yellowstone Lake Outlet
A. Streamflow
B. Stream stage
C. Both A and B
D. None of the above
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USGS Streamgages
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Observed Streamflows
Yellowstone River near Livingston
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Rating Curve Example
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Observed Streamflows
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Observed Streamflows – 2006 Swiftcurrent Creek Flood