{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:10.600321", "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": "2023-Feb-02_to_2023-Feb-06_73.5_33.5"}, "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": 2023020001332}, "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 02 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 06 2023"}, "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": 59779.688074923826}, "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": ["Pakistan"]}, "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": 33.5}, "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": 73.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "73.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 72.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 75.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[71.97, 35.03], [72.5, 35.25], [73.03, 35.03], [73.18, 34.68], [73.53, 34.53], [73.68, 34.18], [73.75, 34.15], [74.0, 34.25], [74.53, 34.03], [74.68, 33.68], [74.75, 33.65], [75.0, 33.75], [75.25, 33.65], [75.5, 33.75], [76.03, 33.53], [76.25, 33.0], [76.03, 32.47], [75.68, 32.32], [75.53, 31.97], [75.18, 31.82], [75.15, 31.75], [75.25, 31.5], [75.15, 31.25], [75.25, 31.0], [75.03, 30.47], [74.5, 30.25], [73.97, 30.47], [73.75, 31.0], [73.85, 31.25], [73.82, 31.32], [73.7, 31.38], [73.53, 30.97], [73.0, 30.75], [72.47, 30.97], [72.25, 31.5], [72.35, 31.75], [72.25, 32.0], [72.35, 32.25], [72.32, 32.32], [72.25, 32.35], [72.0, 32.25], [71.47, 32.47], [71.25, 33.0], [71.46, 33.5], [71.25, 34.0], [71.47, 34.53], [71.82, 34.68], [71.97, 35.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "Tibetan-Plateau"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.97, 33.97], [71.75, 34.5], [71.97, 35.03], [72.5, 35.25], [73.03, 35.03], [73.18, 34.68], [73.53, 34.53], [73.68, 34.18], [74.03, 34.03], [74.25, 33.5], [74.03, 32.97], [73.5, 32.75], [72.97, 32.97], [72.82, 33.32], [72.47, 33.47], [72.32, 33.82], [71.97, 33.97]]]]}, "2023-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.75, 34.5], [71.97, 35.03], [72.5, 35.25], [73.03, 35.03], [73.18, 34.68], [73.53, 34.53], [73.68, 34.18], [73.75, 34.15], [74.0, 34.25], [74.53, 34.03], [74.68, 33.68], [74.75, 33.65], [75.0, 33.75], [75.25, 33.65], [75.5, 33.75], [76.03, 33.53], [76.25, 33.0], [76.03, 32.47], [75.5, 32.25], [75.25, 32.35], [75.0, 32.25], [74.75, 32.35], [74.5, 32.25], [73.97, 32.47], [73.82, 32.82], [73.75, 32.85], [73.5, 32.75], [73.0, 32.96], [72.5, 32.75], [71.97, 32.97], [71.75, 33.5], [71.96, 34.0], [71.75, 34.5]]]]}, "2023-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.25, 34.0], [71.47, 34.53], [71.82, 34.68], [71.97, 35.03], [72.5, 35.25], [73.03, 35.03], [73.18, 34.68], [73.53, 34.53], [73.68, 34.18], [73.75, 34.15], [74.0, 34.25], [74.53, 34.03], [74.68, 33.68], [74.75, 33.65], [75.0, 33.75], [75.25, 33.65], [75.5, 33.75], [76.03, 33.53], [76.25, 33.0], [76.03, 32.47], [75.68, 32.32], [75.53, 31.97], [75.18, 31.82], [75.15, 31.75], [75.25, 31.5], [75.15, 31.25], [75.25, 31.0], [75.03, 30.47], [74.5, 30.25], [73.97, 30.47], [73.75, 31.0], [73.85, 31.25], [73.82, 31.32], [73.7, 31.38], [73.53, 30.97], [73.0, 30.75], [72.47, 30.97], [72.25, 31.5], [72.35, 31.75], [72.25, 32.0], [72.35, 32.25], [72.32, 32.32], [72.25, 32.35], [72.0, 32.25], [71.47, 32.47], [71.25, 33.0], [71.46, 33.5], [71.25, 34.0]]]]}, "2023-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.25, 34.0], [71.47, 34.53], [71.82, 34.68], [71.97, 35.03], [72.5, 35.25], [73.03, 35.03], [73.18, 34.68], [73.53, 34.53], [73.68, 34.18], [73.75, 34.15], [74.0, 34.25], [74.53, 34.03], [74.68, 33.68], [74.75, 33.65], [75.0, 33.75], [75.25, 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"Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.0600114519473323, 3.204312207794935, 3.258545273137874, 3.699168917053931, 3.036987611760651]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.3965578452709337, 3.6107839855759494, 4.53206681428378, 4.627764375170784, 3.940154909273133]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4984443426748786, 1.5368870950872529, 1.7244982594443898, 1.8968994616045673, 1.6143763945359508]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5394260633752022, 1.7698773882609518, 2.3449747197669937, 2.298234686020982, 2.0249644264617]}}