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NOAA’s NWS and the USGS: Partnering to Meet America’s Water Information Needs
Ernie WellsHydrologic Services DivisionNOAA National Weather ServiceMay 2, 2014
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Complimentary Missions
• NOAA's NWS provides weather, hydrologic, and climate forecasts and warnings… for the protection of life and property… and enhancement of the national economy.
• The USGS… provides reliable scientific information to describe and understand the Earth, minimize loss of life and property from natural disasters, manage water…
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• On average, over the past 30 years in the U.S., flooding has caused over 90 deaths and damages in excess of $8 billion annually
• Floods occur in all 50 states •Threat all months of the year
Socioeconomic Impacts
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USGS Data Vital to NWS Operations
USGS data critical to the NWS river forecast and warning mission include:
•Real-time and historical stream gage observations •Real-time supplementary stream observations during flood events•Rating curves relating flow to stage
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HydrologicModeling
Radar Data
River Gage Data
Snow
PrecipitationForecasts
ReservoirReleases Diversion
PrecipitationEstimates
Satellite Data
TemperatureForecasts
Hydrologic Forecasting
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Serving America Together
NWS Advanced Hydrologic Prediction Service (AHPS) Products rely on USGS data
http://weather.gov/
USGS Streamgage Observations
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Serving America Togetherhttp://water.weather.gov/
USGS Streamgage observations serve as foundation for NWS river forecasts and warnings
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Observe, monitor, detect, forecast and generate warning
Disseminate warning
Respond
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The Warning Process
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Growing Water Challenges
• Population growth and economic development are stressing water supplies and increasing vulnerability
• A changing climate is impacting water availability and quality, increasing uncertainty
• An aging water infrastructure is forcing critical, expensive decisions
• Socio-economic risks of floods and droughts are escalating
Blue Gold, “The New Oil”
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WATER SECURITY HYPOXIA
HYDROLOGIC EXTREMES11
Grand Challenges
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Framework to align and leverage multiple agencies with complimentary water-related missions to:
•Integrate services and service delivery
•Improve river and flood forecasts
•Provide new summit-to-sea water resources analyses and forecasts
ROADMAPDOCUMENT(2009)
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Expanding our PartnershipIntegrated Water Resources Science and Services (IWRSS)
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www.nohrsc.noaa.gov
Snowpack
Precipitation
Soil Moisture
Evapotranspiration
Groundwater
River flow
Surface Storage
Water Quality
Watershed – to – National Information
Proposed Summit-to-Sea Water Resources Products
Local Information (<1 km2)
Pilot Snowpack Products
Snowfall
Snow Depth
Water Content
Snow Cover Temperature
Snowmelt
Past Present FutureUSGS WaterSMARTInitiative
IWRSS Forecasts
New Digital Information Products
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Flood Inundation Mapping and Analysis
Simulated flood for rise of 7.4 feetBlanchard River near Findlay OH
http://water.usgs.gov/osw/flood inundation/
New Digital Information Products