Overview of the Colorado Basin River Forecast Center · National Weather Service Colorado Basin...
Transcript of Overview of the Colorado Basin River Forecast Center · National Weather Service Colorado Basin...
![Page 1: Overview of the Colorado Basin River Forecast Center · National Weather Service Colorado Basin River Forecast Center 13 Salt Lake City, Utah Providing Decision Support Services Resource](https://reader033.fdocuments.in/reader033/viewer/2022050605/5fac24616e35417c9d5abd83/html5/thumbnails/1.jpg)
National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah11
Overview of the Colorado Basin River Forecast Center
Michelle Stokes, Hydrologist in ChargePaul Miller, Service Coordination Hydrologist
Pima County Local Drought Impact Group MeetingTucson, May 9th, 2018
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah2
National Weather Service River Forecast Centers
● Provide streamflow
forecasts for the next few
hours to seasons
● 10 day forecasts for flood
warnings, recreational use,
etc..
● Develop probabilistic
forecast of volume of
water expected during the
snow melt season for
reservoir operations and
planning - Water Supply
Forecasts
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah3
Streamflow forecasts - Routine & Flood
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah4
Streamflow forecasts - Hydrographs
Clicking on a pop-up
hydrograph will direct you to a
page that allows for more
interactive features and options
for plotting
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah5
Flash floods
● Flooding in Arizona is most often
caused by local, intense convective
storms that lead to flash flooding
○ Too rapid for RFC to model
○ Weather Forecast Office issues
warnings based on precipitation
rate and location
○ RFC provides tools to help locate
areas where flash floods are most
likely (GIS based)
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah6
Water Supply Forecasts
● Probabilistic volumetric seasonal forecast
● Driven by current snowpack, soil moisture, and future
precipitation, temperatures, and potential weather
scenarios
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah7
CBRFC Role in Colorado River Management
● CBRFC’s water supply forecasts
drive Reclamation’s operational
planning model (24-Month Study)
○ Determine operations of
Lakes Powell and Mead
○ Determine shortage
declarations
○ Direct impact to State,
municipal, agricultural, water
and energy managers and
Mexico
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah8
Data and developing a forecast
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah9
Precipitation Information
● Observed:
■ Daily, monthly, water year,
month to date, water year to
date for the month, water year,
and month to date.
● Forecast:
■ Next 5 days
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah10
Temperature Information
● Observed:
○ Daily, monthly, for minimum and
maximum temperatures, water
year, month to date, water year
to date for the month, water
year, and month to date.
● Forecast:
○ Next 10 days
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah11
Snow Information
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah12
Other Information
● Modeled soil moisture
● Reservoir information
● Peak Flow forecasts
● Verification
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah13
Providing Decision Support Services
● Resource Management
○ Adaptive Management Program (Peak
Flow Forecasts)
○ Day to day decisions, especially during
times of active weather
● Technical Support and
Communication
○ Meeting participation
○ Custom products and outreach
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah14
Our Arizona partners
CBRFC Stakeholder Engagement
meeting on November 6th at the Salt
River Project offices in Phoenix.
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah15
Last year’s Water Supply Conditions
Lake Powell inflow -
114% of average
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah16
Current Conditions
5th driest on
record
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah17
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National Oceanic and Atmospheric Administration’s
National Weather ServiceColorado Basin River Forecast Center
Salt Lake City, Utah18
Thank you!
www.cbrfc.noaa.gov
Michelle Stokes 801-524-5130 ext 322 [email protected]
Paul Miller 801-524-5130 ext 335 [email protected]