{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:34.088872", "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-Sep-21_to_2020-Sep-25_290.0_-18.5"}, "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": 2020090002114}, "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": "September 21 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 25 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 55085.5193942968}, "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": ["Bolivia", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.W.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": -18.5}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.65, -19.25], [-70.75, -19.0], [-70.65, -18.75], 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[-70.03, -22.03], [-70.25, -21.5], [-70.15, -21.25], [-70.25, -21.0], [-70.15, -20.75], [-70.18, -20.68], [-70.53, -20.53], [-70.75, -20.0], [-70.65, -19.75], [-70.75, -19.5], [-70.65, -19.25]]]]}, "2020-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.65, -19.25], [-70.75, -19.0], [-70.65, -18.75], [-70.75, -18.5], [-70.53, -17.97], [-70.0, -17.75], [-69.5, -17.96], [-69.0, -17.75], [-68.47, -17.97], [-68.25, -18.5], [-68.35, -18.75], [-68.32, -18.82], [-67.97, -18.97], [-67.75, -19.5], [-67.85, -19.75], [-67.75, -20.0], [-67.85, -20.25], [-67.75, -20.5], [-67.85, -20.75], [-67.82, -20.82], [-67.47, -20.97], [-67.25, -21.5], [-67.35, -21.75], [-67.25, -22.0], [-67.47, -22.53], [-68.0, -22.75], [-68.25, -22.65], [-68.5, -22.75], [-69.03, -22.53], [-69.2, -22.12], [-69.5, -22.25], [-70.03, -22.03], [-70.25, -21.5], [-70.15, -21.25], [-70.25, -21.0], [-70.15, -20.75], [-70.18, -20.68], [-70.53, -20.53], [-70.75, -20.0], [-70.65, -19.75], [-70.75, -19.5], [-70.65, -19.25]]]]}, "2020-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.53, -19.03], [-70.75, -18.5], [-70.53, -17.97], [-70.0, -17.75], [-69.5, -17.96], [-69.0, -17.75], [-68.47, -17.97], [-68.25, -18.5], [-68.35, -18.75], [-68.32, -18.82], [-67.97, -18.97], [-67.75, -19.5], [-67.85, -19.75], [-67.75, -20.0], [-67.85, -20.25], [-67.75, -20.5], [-67.85, -20.75], [-67.82, -20.82], [-67.47, -20.97], [-67.25, -21.5], [-67.35, -21.75], [-67.25, -22.0], [-67.47, -22.53], [-68.0, -22.75], [-68.25, -22.65], [-68.5, -22.75], [-69.03, -22.53], [-69.25, -22.0], [-69.15, -21.75], [-69.25, -21.5], [-69.15, -21.25], [-69.25, -21.0], [-69.15, -20.75], [-69.18, -20.68], [-69.53, -20.53], [-69.75, -20.0], [-69.65, -19.75], [-69.75, -19.5], [-69.65, -19.25], [-69.7, -19.12], [-70.0, -19.25], [-70.53, -19.03]]]]}, "2020-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.65, -19.25], [-69.75, -19.0], [-69.65, -18.75], [-69.75, -18.5], [-69.53, 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"value": [20.118569257476622, 20.283747518590133, 12.526825300818246, 9.662959291435527, 8.77534307874663]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.35674668237573, 22.546697687052415, 22.10502364294308, 19.030726166747115, 11.431247562310773]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.772286776321932, 1.9048145421389708, 2.295150900438524, 3.217816036889137, 3.205016118205805]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.137627068093934, 2.3221364753912326, 3.7392203469507876, 4.7943174641837345, 4.175785185662903]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5428763994992163, 1.669093817503542, 1.4349031681481044, 1.7674730474559062, 1.7475707496450088]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.774870869286692, 1.9727495854035855, 1.7390282949702873, 2.319510693871107, 2.022370140281859]}}