{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:16.862239", "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-Jan-28_to_2022-Feb-04_69.5_29.5"}, "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": 2022010002760}, "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": "January 28 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 04 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 51007.48467993426}, "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": 29.5}, "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": 69.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "69.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 67.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 70.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[67.75, 30.65], [67.82, 30.68], [67.97, 31.03], [68.5, 31.25], [68.75, 31.15], [69.0, 31.25], [69.25, 31.15], [69.5, 31.25], [69.75, 31.15], [70.0, 31.25], [70.53, 31.03], [70.75, 30.5], [70.53, 29.97], [70.13, 29.8], [70.25, 29.5], [70.15, 29.25], [70.25, 29.0], [70.03, 28.47], [69.5, 28.25], [69.25, 28.35], [69.0, 28.25], [68.75, 28.35], [68.5, 28.25], [68.25, 28.35], [68.0, 28.25], [67.75, 28.35], [67.5, 28.25], [66.97, 28.47], [66.75, 29.0], [66.85, 29.25], [66.82, 29.32], [66.47, 29.47], [66.25, 30.0], [66.47, 30.53], [67.0, 30.75], [67.25, 30.65], [67.5, 30.75], [67.75, 30.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[66.47, 30.53], [67.0, 30.75], [67.53, 30.53], [67.75, 30.0], [67.53, 29.47], [67.0, 29.25], [66.47, 29.47], [66.25, 30.0], [66.47, 30.53]]]]}, "2022-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.0, 29.25], [66.47, 29.47], [66.25, 30.0], [66.47, 30.53], [67.0, 30.75], [67.53, 30.53], [67.75, 30.0], [67.53, 29.47], [67.0, 29.25]]], [[[69.5, 29.75], [68.97, 29.97], [68.75, 30.5], [68.97, 31.03], [69.5, 31.25], [70.03, 31.03], [70.25, 30.5], [70.03, 29.97], [69.5, 29.75]]]]}, "2022-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.0, 29.25], [66.47, 29.47], [66.25, 30.0], [66.47, 30.53], [67.0, 30.75], [67.53, 30.53], [67.75, 30.0], [67.53, 29.47], [67.0, 29.25]]], [[[68.97, 29.97], [68.75, 30.5], [68.97, 31.03], [69.5, 31.25], [69.75, 31.15], [70.0, 31.25], [70.53, 31.03], [70.75, 30.5], [70.53, 29.97], [70.0, 29.75], [69.75, 29.85], [69.5, 29.75], [68.97, 29.97]]]]}, "2022-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[66.75, 29.5], [66.85, 29.75], [66.75, 30.0], [66.97, 30.53], [67.5, 30.75], [67.75, 30.65], [68.0, 30.75], [68.5, 30.54], [68.82, 30.68], [68.97, 31.03], [69.5, 31.25], [69.75, 31.15], [70.0, 31.25], [70.53, 31.03], [70.75, 30.5], [70.53, 29.97], [70.13, 29.8], [70.25, 29.5], [70.15, 29.25], [70.25, 29.0], [70.03, 28.47], [69.5, 28.25], [69.25, 28.35], [69.0, 28.25], [68.75, 28.35], [68.5, 28.25], [68.0, 28.46], [67.5, 28.25], [66.97, 28.47], [66.75, 29.0], [66.85, 29.25], [66.75, 29.5]]]]}, "2022-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[66.75, 29.5], [66.85, 29.75], [66.75, 30.0], [66.97, 30.53], [67.5, 30.75], [67.75, 30.65], [67.82, 30.68], [67.97, 31.03], [68.5, 31.25], [68.75, 31.15], [69.0, 31.25], [69.25, 31.15], [69.5, 31.25], [69.75, 31.15], [70.0, 31.25], [70.53, 31.03], [70.75, 30.5], [70.53, 29.97], [70.13, 29.8], [70.25, 29.5], [70.15, 29.25], [70.25, 29.0], [70.03, 28.47], [69.5, 28.25], [69.25, 28.35], [69.0, 28.25], [68.75, 28.35], [68.5, 28.25], [68.25, 28.35], [68.0, 28.25], [67.75, 28.35], [67.5, 28.25], [66.97, 28.47], [66.75, 29.0], [66.85, 29.25], [66.75, 29.5]]]]}, "2022-02-02T11:30:00.000000000": {"type": 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16.043760257412828, 15.62789046294995, 15.896257928767398, 16.14193047418729, 13.003978179021715]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.988057319584925, 11.251325469285064, 12.11189005122975, 19.871878706686005, 20.11348766570825, 20.715400474409478, 21.114600947187967, 15.28101951025127]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.843675108648881, 4.186076063795298, 3.462537148533689, 3.4522144496422618, 3.403127057359524, 3.728954455249152, 3.7889603700281835, 3.4568892988201676]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.843675108648881, 5.069779619215467, 3.9474887043170384, 4.051295178713815, 3.8257244632306424, 4.427206735026175, 4.496297774728134, 3.878628223961755]}, "anom_scaled_evo_areamean": {"name": 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