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CPC Monthly and Seasonal Drought Outlooks

  • Description:

    View maps of expected changes to drought conditions for the next month and through the upcoming season.

  • Variables: Drought
  • Formats: Map, Text description
  • Timeframe: Seasonal Forecasts
  • Source: Climate Prediction Center (CPC)
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    CPC Precipitation and Temperature Outlooks

  • Description:

    View monthly, seasonal, 6-10 day, and 8-14 day outlooks for precipitation and temperature relative to climate normals.

  • Variables: Air temperature, Precipitation
  • Formats: Map, Text description
  • Timeframe: Seasonal Forecasts, Short-term Outlooks
  • Source: Climate Prediction Center (CPC)
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    CW3E AR intensity forecasts

  • Description:

    View a measure of atmospheric river (AR) intensity over the past 7-days and a forecast for the next 7-days.

  • Variables: Precipitation
  • Formats: Graph, Map
  • Timeframe: Real-time, Short-term Outlooks
  • Source: Center for Western Weather and Water Extremes
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    GOES Lightning Satellite Viewer

  • Description:

    View a map of real-time satellite imagery and lightning activity across the northwestern contiguous United States. Data is available from the present and the most recent 20 hours. Data is updated every 5 minutes.

  • Variables: Severe Weather
  • Formats: Map
  • Timeframe: Real-time
  • Source: GOES-West
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    NRCS Water Supply Forecast Plots

  • Description:

    View charts of forecast streamflow volume and percent of normal streamflow for the current and previous water years. Forecasts are available for various gauge locations and are organized by basin. New forecasts are initialized on the first of each month.

  • Variables: Runoff / Streamflow
  • Formats: Graph
  • Timeframe: Historical, Real-time, Seasonal Forecasts
  • Source: NCRS
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    NWRFC Apr-Sept Streamflow Natural Forecasts

  • Description:

    View probabilistic forecasts of streamflow relative to normal for April-September of the current and previous water years at gauge sites all across Washington State. New forecasts are updated daily.

  • Variables: Runoff / Streamflow
  • Formats: Graph, Map
  • Timeframe: Historical, Seasonal Forecasts
  • Source: NWRFC
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    Pacific Decadal Oscillation

  • Description:

    Plot the monthly Pacific Decadal Oscillation (PDO) index from 1854-Present. Click on “View Data” to view the numerical value of the PDO index for a given month.

  • Variables: ENSO and Global Climate Oscillations
  • Formats: Data, Graph
  • Timeframe: Historical, Real-time
  • Source: NCEI
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    Seasonal Accumulated Growing Degree Days

  • Description:

    View high resolution maps of the accumulated growing degree days (base 32, 41, and 50°F) for the current season. Differences from historical averages are also available.

  • Variables: Air temperature
  • Formats: Map
  • Timeframe: Historical, Real-time
  • Source: Oregon Climate Center
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    Seasonal ENSO Forecasts

  • Description:

    Explore probabilistic forecasts of ENSO (La Niña/El Niño) conditions over the next 10 months.

  • Variables: ENSO and Global Climate Oscillations
  • Formats: Graph, Text description
  • Timeframe: Seasonal Forecasts
  • Source: International Research Institute for Climate and Society
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    SPC Storm Events Database

  • Description:

    Search for notable storm events from 1950 to present across Washington including snowfall, high winds, extreme heat, flooding, marine hazards, and severe thunderstorms.

  • Variables: Air temperature, Coastal water levels (Waves/Surge/Tides), Fire, Heat, Precipitation, Runoff / Streamflow, Severe Weather, Wind
  • Formats: Text description
  • Timeframe: Historical
  • Source: SPC
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    USBoR Teacup Diagrams

  • Description:

    Click on “Yakima” or “Coulee” on the map to explore current reservoir levels and storage volumes in the Yakima Basin and Upper Columbia Basin. Click the “Graph of Total System Storage” link underneath the Yakima diagram to view a time series graph of current water year storage levels relative to both total “full pool” capacity and last year’s storage.

  • Variables: Lakes / Reservoirs
  • Formats: Graph, Map
  • Timeframe: Historical, Real-time
  • Source: US Bureau of Reclamation
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    Wildland Fire Potential 7-day Outlook

  • Description:

    View maps of forecast and current wildland fire potential, developed by the National Interagency Coordination Center.

  • Variables: Fire
  • Formats: Map
  • Timeframe: Short-term Outlooks
  • Source: National Interagency Coordination Center
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    Climate Mapping for a Resilient Washington

  • Description:

    Download maps, tables, graphs, and data of monthly, seasonal, and annual climate projections for a variety of key hazards and indicators.

  • Variables: Air temperature, Coastal water levels (Waves/Surge/Tides), Drought, Fire, Heat, Humidity, Runoff / Streamflow, Snowpack, Water temperature
  • Formats: Data, Graph, Map, Text description
  • Timeframe: Long-term projections
  • Source: UW Climate Impacts Group
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    Average Annual Statewide Temperature Graph Since 1895.

    NCEI Climate-at-a-Glance

  • Description:

    Graph, rank, and map monthly, seasonal, and annual average temperature and precipitation from 1895-present. View long term changes at the state, county, and other levels.

  • Variables: Air temperature, Drought, Precipitation
  • Formats: Data, Graph, Map
  • Timeframe: Historical
  • Source: NOAA National Centers for Environmental Information
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    Current Mountain Conditions (NRCS SWE Viewer)

  • Description:

    View the current and historical snow water equivalent percent of median map, along with other variables, for the western United States from 1980-present

  • Variables: Air temperature, Lakes / Reservoirs, Precipitation, Snowpack, Soils
  • Formats: Graph, Map
  • Timeframe: Historical, Real-time
  • Source: Natural Resources Conservation Service
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