{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:48.590140", "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": "2019-May-21_to_2019-May-24_82.0_25.5"}, "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": 2019050002422}, "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": "May 21 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 24 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 55941.99396187453}, "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": ["India"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": 25.5}, "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": 82.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "82.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 80.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 83.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.47, 27.03], [81.0, 27.25], [81.5, 27.04], [82.0, 27.25], [82.25, 27.15], [82.5, 27.25], [83.03, 27.03], [83.25, 26.5], [83.15, 26.25], [83.25, 26.0], [83.15, 25.75], [83.25, 25.5], [83.03, 24.97], [82.5, 24.75], [82.25, 24.85], [82.0, 24.75], [81.75, 24.85], [81.5, 24.75], [80.97, 24.97], [80.82, 25.32], [80.47, 25.47], [80.25, 26.0], [80.35, 26.25], [80.25, 26.5], [80.47, 27.03]]]]}, "2019-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.82, 24.68], [80.96, 25.0], [80.82, 25.32], [80.47, 25.47], [80.25, 26.0], [80.35, 26.25], [80.25, 26.5], [80.47, 27.03], [81.0, 27.25], [81.5, 27.04], [82.0, 27.25], [82.25, 27.15], [82.5, 27.25], [83.03, 27.03], [83.25, 26.5], [83.15, 26.25], [83.25, 26.0], [83.15, 25.75], [83.25, 25.5], [83.15, 25.25], [83.18, 25.18], [83.53, 25.03], [83.75, 24.5], [83.53, 23.97], [83.0, 23.75], [82.75, 23.85], [82.68, 23.82], [82.53, 23.47], [82.0, 23.25], [81.75, 23.35], [81.5, 23.25], [81.25, 23.35], [81.18, 23.32], [81.03, 22.97], [80.5, 22.75], [79.97, 22.97], [79.75, 23.5], [79.97, 24.03], [80.32, 24.18], [80.47, 24.53], [80.82, 24.68]]]]}, "2019-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.82, 24.68], [80.96, 25.0], [80.82, 25.32], [80.47, 25.47], [80.25, 26.0], [80.35, 26.25], [80.25, 26.5], [80.47, 27.03], [81.0, 27.25], [81.5, 27.04], [82.0, 27.25], [82.25, 27.15], [82.5, 27.25], [83.03, 27.03], [83.25, 26.5], [83.15, 26.25], [83.25, 26.0], [83.15, 25.75], [83.25, 25.5], [83.15, 25.25], [83.18, 25.18], [83.53, 25.03], [83.75, 24.5], [83.53, 23.97], [83.0, 23.75], [82.75, 23.85], [82.68, 23.82], [82.53, 23.47], [82.0, 23.25], [81.75, 23.35], [81.5, 23.25], [81.25, 23.35], [81.18, 23.32], [81.03, 22.97], [80.5, 22.75], [79.97, 22.97], [79.75, 23.5], [79.97, 24.03], [80.32, 24.18], [80.47, 24.53], [80.82, 24.68]]]]}, "2019-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.82, 24.68], [80.96, 25.0], [80.82, 25.32], [80.47, 25.47], [80.25, 26.0], [80.47, 26.53], [81.0, 26.75], [81.25, 26.65], [81.5, 26.75], [81.75, 26.65], [82.0, 26.75], [82.53, 26.53], [82.68, 26.18], [83.03, 26.03], [83.25, 25.5], [83.15, 25.25], [83.18, 25.18], [83.53, 25.03], [83.75, 24.5], [83.53, 23.97], [83.0, 23.75], [82.75, 23.85], [82.68, 23.82], [82.53, 23.47], [82.0, 23.25], [81.75, 23.35], [81.5, 23.25], [81.25, 23.35], [81.18, 23.32], [81.03, 22.97], [80.5, 22.75], [79.97, 22.97], [79.75, 23.5], [79.97, 24.03], [80.32, 24.18], [80.47, 24.53], [80.82, 24.68]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.798966052114622}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.687794110518472}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.39748646249501, 36.53800366237391, 37.11224883393976, 36.84983198938062]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.791901915423864, 37.25152851516657, 38.124851514183376, 37.559731521138076]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.448318671576857, 2.4784886292988944, 3.056951763330184, 2.6376510453668125]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7947839912540644, 2.997195429832175, 3.798966052114622, 3.014718002886184]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3728230294393557, 1.3260026069931143, 1.5521381448586065, 1.2913735744798704]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.568784404261156, 1.5626912019213004, 1.9941345445331058, 1.481747764034198]}}