{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:30:09.982425", "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": "2022-Feb-23_to_2022-Feb-27_53.0_30.0"}, "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": 2022020002254}, "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": "February 23 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 2022"}, "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": 78106.71247030093}, "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": ["Iran"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "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": []}, "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": 30.0}, "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": 53.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "53.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 50.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 55.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.25, 30.0], [52.47, 30.53], [53.0, 30.75], [53.25, 30.65], [53.5, 30.75], [54.03, 30.53], [54.25, 30.0], [54.15, 29.75], [54.25, 29.5], [54.03, 28.97], [53.5, 28.75], [52.97, 28.97], [52.82, 29.32], [52.47, 29.47], [52.25, 30.0]]]]}, "2022-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.32, 30.32], [51.97, 30.47], [51.75, 31.0], [51.97, 31.53], [52.5, 31.75], [53.03, 31.53], [53.18, 31.18], [53.25, 31.15], [53.5, 31.25], [54.03, 31.03], [54.18, 30.68], [54.53, 30.53], [54.68, 30.18], [55.03, 30.03], [55.25, 29.5], [55.03, 28.97], [54.5, 28.75], [54.0, 28.96], [53.5, 28.75], [53.25, 28.85], [53.0, 28.75], [52.75, 28.85], [52.5, 28.75], [51.97, 28.97], [51.75, 29.5], [51.97, 30.03], [52.32, 30.18], [52.35, 30.25], [52.32, 30.32]]]]}, "2022-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.25, 30.0], [50.47, 30.53], [51.0, 30.75], [51.25, 30.65], [51.5, 30.75], [51.93, 30.57], [51.75, 31.0], [51.97, 31.53], [52.5, 31.75], [53.03, 31.53], [53.18, 31.18], [53.25, 31.15], [53.5, 31.25], [54.03, 31.03], [54.18, 30.68], [54.53, 30.53], [54.68, 30.18], [54.75, 30.15], [55.0, 30.25], [55.53, 30.03], [55.75, 29.5], [55.65, 29.25], [55.75, 29.0], [55.53, 28.47], [55.0, 28.25], [54.75, 28.35], [54.68, 28.32], [54.53, 27.97], [54.0, 27.75], [53.75, 27.85], [53.68, 27.82], [53.53, 27.47], [53.0, 27.25], [52.47, 27.47], [52.32, 27.82], [52.25, 27.85], [52.0, 27.75], [51.47, 27.97], [51.32, 28.32], [50.97, 28.47], [50.75, 29.0], [50.85, 29.25], [50.82, 29.32], [50.47, 29.47], [50.25, 30.0]]]]}, "2022-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.25, 30.0], [50.47, 30.53], [51.0, 30.75], [51.25, 30.65], [51.5, 30.75], [51.93, 30.57], [51.75, 31.0], [51.97, 31.53], [52.5, 31.75], [53.03, 31.53], [53.18, 31.18], [53.25, 31.15], [53.5, 31.25], [54.03, 31.03], [54.18, 30.68], [54.53, 30.53], [54.68, 30.18], [54.75, 30.15], [55.0, 30.25], [55.53, 30.03], [55.75, 29.5], [55.65, 29.25], [55.75, 29.0], [55.53, 28.47], [55.0, 28.25], [54.75, 28.35], [54.68, 28.32], 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