{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:31.055698", "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": "2011-May-10_to_2011-May-20_82.5_24.0"}, "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": 2011050001972}, "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 10 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 20 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 121231.84073750972}, "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": 24.0}, "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": 82.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "82.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 75.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 83.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.25, 25.0], [80.47, 25.53], [81.0, 25.75], [81.25, 25.65], [81.5, 25.75], [82.03, 25.53], [82.25, 25.0], [82.15, 24.75], [82.18, 24.68], [82.25, 24.65], [82.5, 24.75], [82.75, 24.65], [83.0, 24.75], [83.25, 24.65], [83.5, 24.75], [84.03, 24.53], [84.25, 24.0], [84.15, 23.75], [84.25, 23.5], [84.03, 22.97], [83.68, 22.82], [83.53, 22.47], [83.0, 22.25], [82.75, 22.35], [82.5, 22.25], [82.25, 22.35], [82.0, 22.25], [81.47, 22.47], [81.32, 22.82], [80.97, 22.97], [80.75, 23.5], [80.96, 24.0], [80.82, 24.32], [80.47, 24.47], [80.25, 25.0]]]]}, "2011-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.25, 25.0], [80.47, 25.53], [81.0, 25.75], [81.25, 25.65], [81.5, 25.75], [82.03, 25.53], [82.25, 25.0], [82.15, 24.75], [82.18, 24.68], [82.25, 24.65], [82.5, 24.75], [82.75, 24.65], [83.0, 24.75], [83.25, 24.65], [83.5, 24.75], [84.03, 24.53], [84.25, 24.0], [84.15, 23.75], [84.25, 23.5], [84.03, 22.97], [83.68, 22.82], [83.53, 22.47], [83.0, 22.25], [82.75, 22.35], [82.5, 22.25], [82.25, 22.35], [82.0, 22.25], [81.47, 22.47], [81.32, 22.82], [80.97, 22.97], [80.75, 23.5], [80.96, 24.0], [80.82, 24.32], [80.47, 24.47], [80.25, 25.0]]]]}, "2011-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.25, 25.0], [80.47, 25.53], [81.0, 25.75], [81.25, 25.65], [81.5, 25.75], [82.03, 25.53], [82.25, 25.0], [82.15, 24.75], [82.18, 24.68], [82.25, 24.65], [82.5, 24.75], [82.75, 24.65], [83.0, 24.75], [83.25, 24.65], [83.5, 24.75], [84.03, 24.53], [84.25, 24.0], [84.15, 23.75], [84.25, 23.5], [84.03, 22.97], [83.68, 22.82], [83.53, 22.47], [83.0, 22.25], [82.75, 22.35], [82.5, 22.25], [82.25, 22.35], [82.0, 22.25], [81.47, 22.47], [81.32, 22.82], [80.97, 22.97], [80.75, 23.5], [80.96, 24.0], [80.82, 24.32], [80.47, 24.47], [80.25, 25.0]]]]}, "2011-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.75, 24.0], [81.97, 24.53], [82.5, 24.75], [83.03, 24.53], [83.18, 24.18], [83.53, 24.03], [83.75, 23.5], [83.53, 22.97], [83.0, 22.75], [82.47, 22.97], [82.32, 23.32], [81.97, 23.47], [81.75, 24.0]]]]}, "2011-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.5, 24.75], [83.03, 24.53], [83.25, 24.0], [83.03, 23.47], [82.5, 23.25], [81.97, 23.47], [81.75, 24.0], [81.97, 24.53], [82.5, 24.75]]]]}, "2011-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.47, 25.03], [80.0, 25.25], [80.25, 25.15], [80.32, 25.18], [80.47, 25.53], [81.0, 25.75], [81.53, 25.53], [81.75, 25.0], [81.65, 24.75], [81.68, 24.68], [81.75, 24.65], [81.82, 24.68], [81.97, 25.03], [82.5, 25.25], [83.03, 25.03], [83.18, 24.68], [83.53, 24.53], [83.75, 24.0], [83.65, 23.75], [83.75, 23.5], [83.53, 22.97], [83.0, 22.75], [82.47, 22.97], [82.32, 23.32], [82.25, 23.35], [82.18, 23.32], [82.03, 22.97], [81.5, 22.75], [81.25, 22.85], [81.0, 22.75], [80.47, 22.97], [80.32, 23.32], [80.25, 23.35], [80.0, 23.25], [79.47, 23.47], [79.25, 24.0], [79.35, 24.25], [79.25, 24.5], [79.47, 25.03]]]]}, "2011-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.47, 23.97], [75.25, 24.5], [75.47, 25.03], [76.0, 25.25], [76.25, 25.15], [76.32, 25.18], [76.47, 25.53], [77.0, 25.75], [77.25, 25.65], [77.5, 25.75], [77.75, 25.65], [78.0, 25.75], [78.25, 25.65], [78.5, 25.75], [78.75, 25.65], [79.0, 25.75], [79.25, 25.65], [79.5, 25.75], [80.03, 25.53], [80.18, 25.18], [80.25, 25.15], [80.32, 25.18], [80.47, 25.53], [81.0, 25.75], [81.53, 25.53], [81.75, 25.0], [81.65, 24.75], [81.68, 24.68], [81.75, 24.65], [81.82, 24.68], [81.97, 25.03], [82.5, 25.25], [83.03, 25.03], [83.18, 24.68], [83.53, 24.53], [83.75, 24.0], [83.65, 23.75], [83.75, 23.5], [83.53, 22.97], [83.0, 22.75], [82.47, 22.97], [82.32, 23.32], [82.25, 23.35], [82.18, 23.32], [82.03, 22.97], [81.5, 22.75], [81.25, 22.85], [81.0, 22.75], [80.47, 22.97], [80.32, 23.32], [80.25, 23.35], [80.0, 23.25], [79.75, 23.35], [79.68, 23.32], [79.53, 22.97], [79.0, 22.75], [78.75, 22.85], [78.5, 22.75], [77.97, 22.97], [77.8, 23.38], [77.5, 23.25], [77.25, 23.35], [77.0, 23.25], [76.47, 23.47], [76.32, 23.82], [76.25, 23.85], [76.0, 23.75], [75.47, 23.97]]]]}, "2011-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.47, 23.97], [75.25, 24.5], [75.47, 25.03], [76.0, 25.25], [76.25, 25.15], [76.32, 25.18], [76.47, 25.53], [77.0, 25.75], [77.25, 25.65], [77.5, 25.75], [77.75, 25.65], [78.0, 25.75], [78.25, 25.65], [78.5, 25.75], [78.75, 25.65], [79.0, 25.75], [79.25, 25.65], [79.5, 25.75], [80.03, 25.53], [80.18, 25.18], [80.25, 25.15], [80.32, 25.18], [80.47, 25.53], [81.0, 25.75], [81.53, 25.53], [81.75, 25.0], [81.65, 24.75], [81.68, 24.68], [81.75, 24.65], [81.82, 24.68], [81.97, 25.03], [82.5, 25.25], [83.03, 25.03], [83.18, 24.68], [83.53, 24.53], [83.75, 24.0], [83.65, 23.75], [83.75, 23.5], [83.53, 22.97], [83.0, 22.75], [82.47, 22.97], [82.32, 23.32], [82.25, 23.35], [82.18, 23.32], [82.03, 22.97], [81.5, 22.75], [81.25, 22.85], [81.0, 22.75], [80.47, 22.97], [80.32, 23.32], [80.25, 23.35], [80.0, 23.25], [79.75, 23.35], [79.68, 23.32], [79.53, 22.97], [79.0, 22.75], [78.75, 22.85], [78.5, 22.75], [77.97, 22.97], [77.8, 23.38], [77.5, 23.25], [77.25, 23.35], [77.0, 23.25], [76.47, 23.47], [76.32, 23.82], [76.25, 23.85], [76.0, 23.75], [75.47, 23.97]]]]}, "2011-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.97, 23.47], [81.75, 24.0], [81.97, 24.53], [82.5, 24.75], [83.03, 24.53], [83.25, 24.0], [83.03, 23.47], [82.5, 23.25], [81.97, 23.47]]], [[[75.25, 24.5], [75.47, 25.03], [76.0, 25.25], [76.25, 25.15], [76.32, 25.18], [76.47, 25.53], [77.0, 25.75], [77.25, 25.65], [77.5, 25.75], [77.75, 25.65], [78.0, 25.75], [78.25, 25.65], [78.5, 25.75], [78.75, 25.65], [79.0, 25.75], [79.25, 25.65], [79.5, 25.75], [80.03, 25.53], [80.18, 25.18], [80.25, 25.15], [80.5, 25.25], [81.03, 25.03], [81.25, 24.5], [81.03, 23.97], [80.68, 23.82], [80.53, 23.47], [80.0, 23.25], [79.75, 23.35], [79.68, 23.32], [79.53, 22.97], [79.0, 22.75], [78.75, 22.85], [78.5, 22.75], [77.97, 22.97], [77.8, 23.38], [77.5, 23.25], [77.25, 23.35], [77.0, 23.25], [76.47, 23.47], [76.32, 23.82], [76.25, 23.85], [76.0, 23.75], [75.47, 23.97], [75.25, 24.5]]]]}, "2011-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.35, 24.75], [76.25, 25.0], [76.47, 25.53], [77.0, 25.75], [77.25, 25.65], [77.5, 25.75], [78.03, 25.53], [78.18, 25.18], [78.53, 25.03], [78.68, 24.68], [79.03, 24.53], [79.25, 24.0], [79.03, 23.47], [78.5, 23.25], [78.0, 23.46], [77.5, 23.25], [77.25, 23.35], [77.0, 23.25], [76.47, 23.47], [76.25, 24.0], [76.35, 24.25], [76.25, 24.5], [76.35, 24.75]]]]}, "2011-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[76.47, 24.47], [76.25, 25.0], [76.47, 25.53], [77.0, 25.75], [77.25, 25.65], [77.5, 25.75], [78.03, 25.53], [78.18, 25.18], [78.53, 25.03], [78.75, 24.5], [78.53, 23.97], [78.0, 23.75], [77.47, 23.97], [77.32, 24.32], [77.25, 24.35], [77.0, 24.25], [76.47, 24.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.109924677712229}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.6602389448884787}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.76696814752364, 35.09295863001614, 35.359485856260164, 34.711227528573545, 34.805925979716335, 36.01272295367568, 36.89325623972536, 36.96827427178931, 37.28831805762991, 37.034113008194936, 37.115292679314564]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.07406525541768, 36.05983637099297, 36.90979114512851, 34.959469308818655, 34.805925979716335, 36.70319095884946, 38.228012878437596, 38.26370567326552, 38.27889922782066, 37.612714113542665, 37.25232943062866]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.398448863292939, 2.6510830876746443, 2.845348807667108, 2.4962250032855593, 2.0765609335317663, 2.3637273837558648, 2.7151985743223657, 2.708190719827297, 2.7659098901486936, 2.6362784536255575, 2.785341501743801]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.883304402946976, 3.3416161834949776, 4.109924677712229, 2.63047771496673, 2.0765609335317663, 2.8526297520653543, 3.485971199106416, 3.1321460919885453, 3.147838852376651, 3.220828921690952, 3.0230011611975556]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2882372032778058, 1.43295524487371, 1.5569973429635497, 1.3304334827644355, 1.1594973906090065, 1.3916608665512773, 1.505079254487298, 1.4717919101159205, 1.423616544576186, 1.3446720137313002, 1.3987891432104247]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.420557316854583, 1.7915337916902074, 2.090351477984097, 1.3812315037010654, 1.1594973906090065, 1.636213921298584, 2.01998778726212, 1.6759708438320196, 1.6521561453957614, 1.6909899227314946, 1.54019266432071]}}