{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:12:35.977672", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2020-Mar-28_to_2020-Mar-30_314.5_63.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2020030002875}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "March 28 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 30 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 56274.55185308658}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Greenland"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 63.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 314.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "314.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 317.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-47.646, 63.25], [-47.75, 63.5], [-47.53, 64.03], [-47.177, 64.177], [-47.03, 64.53], [-46.677, 64.677], [-46.53, 65.03], [-46.0, 65.25], [-45.75, 65.146], [-45.677, 65.177], [-45.53, 65.53], [-45.0, 65.75], [-44.75, 65.646], [-44.677, 65.677], [-44.53, 66.03], [-44.0, 66.25], [-43.47, 66.03], [-43.323, 65.677], [-43.25, 65.646], [-43.0, 65.75], [-42.47, 65.53], [-42.25, 65.0], [-42.354, 64.75], [-42.25, 64.5], [-42.47, 63.97], [-42.823, 63.823], [-42.97, 63.47], [-43.5, 63.25], [-43.75, 63.354], [-43.823, 63.323], [-43.957, 63.0], [-43.75, 62.5], [-43.97, 61.97], [-44.323, 61.823], [-44.47, 61.47], [-45.0, 61.25], [-45.25, 61.354], [-45.5, 61.25], [-45.75, 61.354], [-46.0, 61.25], [-46.25, 61.354], [-46.5, 61.25], [-47.03, 61.47], [-47.177, 61.823], [-47.53, 61.97], [-47.75, 62.5], [-47.646, 62.75], [-47.75, 63.0], [-47.646, 63.25]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Greenland/Iceland"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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{"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-12.179788893029638, -9.303463326964788, -11.591909906058333]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-8.189537961163126, -6.418122426683738, -8.731378352103036]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [9.884700226575976, 12.35182139724755, 9.716821679575386]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [11.791034523552156, 14.375356268433535, 11.159517564147535]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6723569007202994, 2.0487147147023834, 1.6418738615607478]}, "anom_scaled_evo_maxamp": {"name": 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