{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:23:10.008559", "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": "2021-Mar-15_to_2021-Mar-17_40.5_41.0"}, "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": 2021030002203}, "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 15 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2021"}, "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": 53064.59641064296}, "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": ["T\u00fcrkiye"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Black Sea"]}, "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": 41.0}, "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": 40.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[37.97, 43.03], [38.5, 43.25], [38.75, 43.146], [39.0, 43.25], [39.53, 43.03], [39.677, 42.677], [39.75, 42.646], [39.875, 42.698], [39.75, 43.0], [39.97, 43.53], [40.5, 43.75], [41.03, 43.53], [41.177, 43.177], [41.25, 43.146], [41.5, 43.25], [42.03, 43.03], [42.25, 42.5], [42.146, 42.25], [42.25, 42.0], [42.146, 41.75], [42.25, 41.5], [42.03, 40.97], [41.677, 40.823], [41.53, 40.47], [41.0, 40.25], [40.75, 40.354], [40.677, 40.323], [40.53, 39.97], [40.0, 39.75], [39.47, 39.97], [39.323, 40.323], [39.25, 40.354], [39.0, 40.25], [38.47, 40.47], [38.25, 41.0], [38.354, 41.25], [38.323, 41.323], [37.97, 41.47], [37.75, 42.0], [37.854, 42.25], [37.75, 42.5], [37.97, 43.03]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "W.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-03-15T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[37.85355339059328, 42.25], [37.75, 42.5], [37.96966991411009, 43.03033008588991], [38.5, 43.25], [38.75, 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41.32322330470336], [37.96966991411009, 41.46966991411009], [37.75, 42.0], [37.85355339059328, 42.25]]]}, "2021-03-16T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[37.85355339059328, 42.25], [37.75, 42.5], [37.96966991411009, 43.03033008588991], [38.5, 43.25], [38.75, 43.14644660940672], [39.0, 43.25], [39.53033008588991, 43.03033008588991], [39.67677669529664, 42.67677669529664], [39.75, 42.64644660940672], [39.875, 42.69822330470336], [39.75, 43.0], [39.96966991411009, 43.53033008588991], [40.5, 43.75], [41.03033008588991, 43.53033008588991], [41.17677669529664, 43.17677669529664], [41.25, 43.14644660940672], [41.5, 43.25], [42.03033008588991, 43.03033008588991], [42.25, 42.5], [42.14644660940672, 42.25], [42.25, 42.0], [42.14644660940672, 41.75], [42.25, 41.5], [42.03033008588991, 40.96966991411009], [41.67677669529664, 40.82322330470336], [41.53033008588991, 40.46966991411009], [41.0, 40.25], [40.75, 40.35355339059328], [40.67677669529664, 40.32322330470336], 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standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8183791915706904, 2.105884526556283, 1.938013044674481]}}