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Hydrometric Monitoring Stations
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A station is a site on a river or lake where water quantity (water level and flow) are collected and recorded.
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Daily Mean of Water Level or Flow
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The daily mean is the average of all unit values for a given day.
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Monthly Mean of Water Level or Flow
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The monthly mean is the average of daily mean values for a given month.
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Annual Maximum and Minimum Daily Water Level or Flow
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The annual maximum and minimum daily data are the maximum and minimum daily mean values for a given year.
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Annual Maximum and Minimum Instantaneous Water Level or Flow
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The annual maximum and minimum instantaneous data are the maximum and minimum instantaneous values for a given year.
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Real-time hydrometric data
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Real-time water level and flow (discharge) data collected at over 2100 hydrometric stations across Canada (last 30 days).
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1981-2010 Climate Normals
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Climate Normals are used to summarize or describe the average climatic conditions of a particular location. At the completion of each decade, Environment and Climate Change Canada updates its climate normals for as many locations and as many climatic...
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Climate Stations
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Climate observations are derived from two sources of data. The first are Daily Climate Stations producing one or two observations per day of temperature, precipitation. The second are hourly stations that typically produce more weather elements e.g....
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Monthly Climate Observation Summaries
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A cross-country summary of the averages and extremes for the month, including precipitation totals, max-min temperatures, and degree days. This data is available from stations that produce daily data.
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Daily Climate Observations
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Daily climate observations are derived from two sources of data. The first are Daily Climate Stations producing one or two observations per day of temperature, precipitation. The second are hourly stations that typically produce more weather elements...
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Hourly Climate Observations
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Canadian hourly climate data are available for public access from the ECCC/MSC's National Climate Archive. These are surface weather stations that produce hourly meteorological observations, taken each hour of the day. Only a subset of the total...
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Adjusted and Homogenized Canadian Climate Data (AHCCD) Stations
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Climate station datasets that incorporate adjustments (derived from statistical procedures) to the original historical station data to account for discontinuities from non-climatic factors, such as instrument changes or station relocation.
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Adjusted and Homogenized Canadian Climate Data (AHCCD) Annual
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Adjusted and Homogenized Canadian Climate Data (AHCCD) are climate station datasets that incorporate adjustments (derived from statistical procedures) to the original historical station data to account for discontinuities from non-climatic factors,...
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Adjusted and Homogenized Canadian Climate Data (AHCCD) Seasonal
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Adjusted and Homogenized Canadian Climate Data (AHCCD) are climate station datasets that incorporate adjustments (derived from statistical procedures) to the original historical station data to account for discontinuities from non-climatic factors,...
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Adjusted and Homogenized Canadian Climate Data (AHCCD) Monthly
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Adjusted and Homogenized Canadian Climate Data (AHCCD) are climate station datasets that incorporate adjustments (derived from statistical procedures) to the original historical station data to account for discontinuities from non-climatic factors,...
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Adjusted and Homogenized Canadian Climate Data (AHCCD) Trends
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Adjusted and Homogenized Canadian Climate Data (AHCCD) are climate station datasets that incorporate adjustments (derived from statistical procedures) to the original historical station data to account for discontinuities from non-climatic factors,...
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Surface Weather Observations
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Surface Observations measured at the automatic and manual stations of the Environment and Climate Change Canada and partners networks, either for a single station, or for the stations of specific provinces and territories (last 30 days).
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Virtual Climate Stations (LTCE)
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A Virtual Climate station is the result of threading together climate data from proximate current and historical stations to construct a long term threaded data set. For the purpose of identifying and tabulating daily extremes of record for...
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Daily Extremes of Records (LTCE) – Temperature
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The daily climate records database, also known as Long Term Climate Extremes (LTCE), was developed to address the fragmentation of climate information due to station changes (opening, closing, relocation, etc.) over time. For approximately 750...
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Daily Extremes of Records (LTCE) – Precipitation
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The daily climate records database, also known as Long Term Climate Extremes (LTCE), was developed to address the fragmentation of climate information due to station changes (opening, closing, relocation, etc.) over time. For approximately 750...
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Daily Extremes of Records (LTCE) – Snowfall
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The daily climate records database, also known as Long Term Climate Extremes (LTCE), was developed to address the fragmentation of climate information due to station changes (opening, closing, relocation, etc.) over time. For approximately 750...
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Air Quality Health Index – Forecasts
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The Air Quality Health Index (AQHI) is a scale designed to help quantify the quality of the air in a certain region on a scale from 1 to 10. When the amount of air pollution is very high, the number is reported as 10+. It also includes a category that...
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Air Quality Health Index – Observations
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The Air Quality Health Index (AQHI) is a scale designed to help quantify the quality of the air in a certain region on a scale from 1 to 10. When the amount of air pollution is very high, the number is reported as 10+. It also includes a category that...
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Air Quality Health Index – Stations
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The Air Quality Health Index (AQHI) is a scale designed to help quantify the quality of the air in a certain region on a scale from 1 to 10. When the amount of air pollution is very high, the number is reported as 10+. It also includes a category that...
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UMOS statistically post-processed Forecast of the Global Deterministic Prediction System (GDPS-UMOS-MLR)
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Statistical post-processing of weather and environmental forecasts issued by numerical models, including the Global Deterministic Prediction System (GDPS), reduces systematic bias and error variance of raw numerical forecasts. This is achieved by...
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UMOS statistically post-processed Forecast of the Regional Deterministic Prediction System (RDPS-UMOS-MLR)
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Statistical post-processing of weather and environmental forecasts issued by numerical models, including the Regional Deterministic Prediction System (RDPS), reduces systematic bias and error variance of raw numerical forecasts. This is achieved by...
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Real-time meteorological bulletins
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Real-time meteorological bulletins (last 140 days)
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MetNotes
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MetNotes are a geo- and time-referenced, free form polygon product issued by MSC that complement today's location-based dissemination systems. The concise text of a MetNote (similar to a Tweet) is consistent with communication today where people are...
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CMIP5 - Projected annual anomaly
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Projected seasonal anomaly
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Projected monthly anomaly
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Projected annual
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Projected seasonal CMIP5
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Projected monthly
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5- Projected annual anomaly for 20 years average
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Projected seasonal anomaly for 20 years average
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Historical annual
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Historical annual anomaly
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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Historical seasonal CMIP5
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Historical seasonal anomaly
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Historical monthly
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CMIP5 - Historical monthly anomaly
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The Global climate model scenarios dataset is based on an ensemble of global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Multi-model ensembles of modelled output (actual value) and projected change...
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CanDCSU6 Annual projections
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 Seasonal projections
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 Monthly projections
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 30 year averages of projected annual anomalies
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 30 year averages of projected annual anomalies
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 Historical annual
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 Historical seasonal
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 Historical monthly
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 30 year averages of historical annual values
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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CanDCSU6 30 year averages of historical seasonal values
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CMIP6 climate projections are based on both updated global climate models and new emissions scenarios called “Shared Socioeconomic Pathways” (SSPs). Statistically downscaled datasets have been produced from 26 CMIP6 Global Climate Models (GCMs) under...
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DCS - Projected annual anomaly
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Projected seasonal anomaly
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Projected annual
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Projected seasonal
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Projected monthly
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Projected annual anomaly for 20 years average
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Projected seasonal anomaly for 20 years average
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Historical annual
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Historical annual anomaly
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Historical seasonal
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Historical seasonal anomaly
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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DCS - Historical monthly
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The statistically downscaled climate scenarios dataset provides multi-model ensembles of modelled output (actual value) and projected change (anomaly) are available for historical simulations and three emission scenarios, RCP2.6, RCP4.5, RCP8.5, at a...
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Indices - Historical
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High-resolution statistically downscaled climate indices based on model projections from 24 global climate models (GCMs) that participated in the Coupled Model Intercomparison Project Phase 5 (CMIP5) are available. The climate indices are grouped into...
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Indices - Projected
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High-resolution statistically downscaled climate indices based on model projections from 24 global climate models (GCMs) that participated in the Coupled Model Intercomparison Project Phase 5 (CMIP5) are available. The climate indices are grouped into...
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SPEI-1 - Historical
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Standardized Precipitation Evapotranspiration Index (SPEI) calculated using global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5) are provided. SPEI is a multiscalar index frequently used to quantify drought...
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SPEI-3 - Historical
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Standardized Precipitation Evapotranspiration Index (SPEI) calculated using global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5) are provided. SPEI is a multiscalar index frequently used to quantify drought...
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SPEI-12 - Historical
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Standardized Precipitation Evapotranspiration Index (SPEI) calculated using global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5) are provided. SPEI is a multiscalar index frequently used to quantify drought...
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SPEI-1 - Projected
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Standardized Precipitation Evapotranspiration Index (SPEI) calculated using global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5) are provided. SPEI is a multiscalar index frequently used to quantify drought...
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SPEI-3 - Projected
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Standardized Precipitation Evapotranspiration Index (SPEI) calculated using global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5) are provided. SPEI is a multiscalar index frequently used to quantify drought...
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SPEI-12 - Projected
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Standardized Precipitation Evapotranspiration Index (SPEI) calculated using global climate model projections from the Coupled Model Intercomparison Project Phase 5 (CMIP5) are provided. SPEI is a multiscalar index frequently used to quantify drought...
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CanGRD - Historical annual trend
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CANGRD data are interpolated from adjusted and homogenized climate station data (i.e., AHCCD datasets). Homogenized climate data incorporate adjustments to the original station data to account for discontinuities from non-climatic factors, such as...
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CanGRD - Historical annual anomaly
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Gridded annual mean temperature anomalies derived from daily minimum, maximum and mean surface air temperatures (degrees Celsius) and anomalies derived from daily total precipitation is available at a 50km resolution across Canada. The Canadian...
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CanGRD - Historical monthly anomaly
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Gridded monthly mean temperature anomalies derived from daily minimum, maximum and mean surface air temperatures (degrees Celsius) and anomalies derived from daily total precipitation is available at a 50km resolution across Canada. The Canadian...
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CanGRD - Historical seasonal trend
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CANGRD data are interpolated from adjusted and homogenized climate station data (i.e., AHCCD datasets). Homogenized climate data incorporate adjustments to the original station data to account for discontinuities from non-climatic factors, such as...
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CanGRD - Historical seasonal anomaly
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Gridded seasonal mean temperature anomalies derived from daily minimum, maximum and mean surface air temperatures (degrees Celsius) and anomalies derived from daily total precipitation is available at a 50km resolution across Canada. The Canadian...
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Regional Deterministic Precipitation Analysis (RDPA) - 24 hours accumulation at 15km resolution
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The Regional Deterministic Precipitation Analysis (RDPA) produces a best estimate of the amount of precipitation that occurred over recent past periods of 24 hours. The estimate integrates data from in situ precipitation gauge measurements, weather...
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Regional Deterministic Precipitation Analysis (RDPA) - 6 hours accumulation at 15 km resolution
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The Regional Deterministic Precipitation Analysis (RDPA) produces a best estimate of the amount of precipitation that occurred over recent past periods of 24 hours. The estimate integrates data from in situ precipitation gauge measurements, weather...
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Regional Deterministic Precipitation Analysis (RDPA) - 24 hours accumulation at 10km resolution
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The Regional Deterministic Precipitation Analysis (RDPA) produces a best estimate of the amount of precipitation that occurred over recent past periods of 24 hours. The estimate integrates data from in situ precipitation gauge measurements, weather...
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Regional Deterministic Precipitation Analysis (RDPA) - 6 hours accumulation at 10km resolution
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The Regional Deterministic Precipitation Analysis (RDPA) produces a best estimate of the amount of precipitation that occurred over recent past periods of 6 hours. The estimate integrates data from in situ precipitation gauge measurements, weather...
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Regional Deterministic Precipitation Analysis (RDPA) - 24 hours accumulation at 10km resolution (preliminary)
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The Regional Deterministic Precipitation Analysis (RDPA) produces a best estimate of the amount of precipitation that occurred over recent past periods of 24 hours. The estimate integrates data from in situ precipitation gauge measurements, weather...
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Regional Deterministic Precipitation Analysis (RDPA) - 6 hours accumulation at 10km resolution (preliminary)
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The Regional Deterministic Precipitation Analysis (RDPA) produces a best estimate of the amount of precipitation that occurred over recent past periods of 6 hours. The estimate integrates data from in situ precipitation gauge measurements, weather...
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Canadian Seasonal to Inter-annual Prediction System (CanSIPS) - members at 250km
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The Canadian Seasonal to Inter-annual Prediction System (CanSIPS) carries out physics calculations to arrive at probabilistic predictions of atmospheric elements from the beginning of a month out to up to 12 months into the future, resulting in...
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Public Standard Forecast Zones (hybrid)
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The Public Standard Forecast Zones layer is a collection of public program forecast location zone polygons that represents bounded measurable locations at the Public program Standard level. The public program standard level is used in most forecasts,...
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Marine Standard Forecast Zones (hybrid)
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The Marine Standard Forecast Zones layer is a collection of forecast location polygons that represents bounded (zone) locations at the Marine Program Standard level. The Marine Program standard level is used in most forecasts, warnings, watches,...
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MSC Datasets Footprints
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MSC datasets footprints inventory
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WMO WIS2 discovery metadata (experimental)
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WMO WIS2 discovery metadata (experimental)
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WMO WIS2 notification messages (experimental)
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WMO WIS2 notification messages (experimental)
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