Writing and Data Analysis.

Featured

• Lake Powell Projection Ledger

  Introduction The goal of this analysis is to project the current conditions of Lake Powell forward through the end of April 2027, which reasonably represents...

• Upper Colorado River Basin Streamflow

  Clickable upper basin stream-gauge explorer with cumulative, daily, and rolling water-year flow views.

• Upper Colorado River Basin Snowpack

  Click a sub-basin in the map to load that basin's SNOTEL snow water equivalent time series in the chart below. How To Use This Chart Sub-basin map The map shows...

Climate

• Upper Colorado River Basin - Average Temperature

  Average temperature in the Upper Colorado River Basin by water-year day.

• Upper Colorado River Basin - Precipitation

  Precipitation in the Upper Colorado River Basin by water-year day.

• NOAA 6-10 Day Temperature Outlook

  NOAA 6-10 day temperature outlook map using the latest local forecast shapefile bundle.

• Upper Colorado Climate Indicators and Lake Powell Inflow

  Scatter relationships between Upper Colorado climate indicators and Lake Powell inflow, plus water-year overlays of basin snowpack and rolling unregulated inflow.

Snowpack

• Upper Colorado River Basin - Snow Water Equivalent

  Snow water equivalent in the Upper Colorado River Basin by water-year day.

• Upper Colorado River Basin Snowpack by Elevation

  Station-level snowpack profiles by elevation for the Upper Colorado River Basin.

• Upper Colorado SNODAS Map

  Upper Colorado SNODAS SWE map with water-year switching, a date slider, and selectable HUC6 sub-basins.

Streamflow

• Lake Powell Water Year Inflow Analysis

  Water-year overlay analysis for Lake Powell inflows and releases, starting with cumulative inflow lines for all available years.

• Lake Powell Apr 1 to Jul 31 Unregulated Inflow

  Complete-water-year Apr 1 to Jul 31 Lake Powell unregulated inflow totals by water year.

• Lake Powell Monthly Inflow Water Year Series

  Monthly summed inflow overlays by water year for Lake Powell (actual first, with unregulated toggle ready).

Storage

• Lake Powell Storage Projections from CBRFC Forecast

  Projected Lake Powell storage from CBRFC forecast guidance through July 31, with a continuation panel that carries selected outcomes forward using observed historical inflow years.

• Lake Powell Storage Projections from Historical Year Analogs

  Projected Lake Powell storage using historical year analog inflows, fixed release targets, and optional temperature adjustment.

• Lake Powell: State of the Reservoir

  A working snapshot of Lake Powell conditions, constraints, and near-term outlook.

• Flaming Gorge: State of the Reservoir

  A working snapshot of Flaming Gorge Reservoir storage, elevation, and recent operations.

• Lake Mead: State of the Reservoir

  A working snapshot of Lake Mead storage, elevation, intake context, and recent release operations.

• Lake Powell Elevation vs. Storage Relationship

  Mapping Lake Powell elevation to storage and surface area.

• Lake Powell and upstream storage status

  Linked Lake Powell storage context and upstream active storage potential, with hover-synced status over the past year.

• Lake Powell Bypass Release History

  Monthly and daily Lake Powell bypass release volume from the USBR reservoir record, showing recent outlet-works use outside the normal power-release path.

• Lake Mead Elevation vs. Storage Relationship

  Mapping Lake Mead elevation to storage and surface area.

• Lake Mead and upstream storage status

  Linked Lake Mead storage context with Lake Powell and principal upstream reservoir active storage potential over the past year.

• Lake Mead Water Year Analysis

  Water-year framing for Lake Mead elevation and storage, anchored by the full-record synced-axes chart.

System

• Glen Canyon Dam Power Generation

  Monthly Glen Canyon Dam power generation from the U.S. Energy Information Administration, with a 12-month rolling average.

• Colorado River Basin Dam Power Generation

  Annual power generation comparison for Glen Canyon, Hoover, Flaming Gorge, Navajo, Blue Mesa, Morrow Point, and Crystal from EIA monthly plant data.

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