{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:51.567713", "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": "2017-May-03_to_2017-May-07_75.0_20.5"}, "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": 2017050001187}, "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 03 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 07 2017"}, "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": 52343.53259939063}, "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": 20.5}, "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": 75.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "75.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 73.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 76.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.85, 20.75], [73.75, 21.0], [73.97, 21.53], [74.5, 21.75], [75.03, 21.53], [75.18, 21.18], [75.53, 21.03], [75.75, 20.5], [75.65, 20.25], [75.68, 20.18], [75.75, 20.15], [76.0, 20.25], [76.53, 20.03], [76.75, 19.5], [76.53, 18.97], [76.0, 18.75], [75.75, 18.85], [75.68, 18.82], [75.53, 18.47], [75.0, 18.25], [74.47, 18.47], [74.25, 19.0], [74.38, 19.3], [73.97, 19.47], [73.75, 20.0], [73.85, 20.25], [73.75, 20.5], [73.85, 20.75]]]]}, "2017-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.47, 19.53], [73.82, 19.68], [73.85, 19.75], [73.75, 20.0], [73.85, 20.25], [73.75, 20.5], [73.85, 20.75], [73.75, 21.0], [73.97, 21.53], [74.5, 21.75], [74.75, 21.65], [75.0, 21.75], [75.53, 21.53], [75.68, 21.18], [76.03, 21.03], [76.25, 20.5], [76.15, 20.25], [76.18, 20.18], [76.53, 20.03], [76.75, 19.5], [76.53, 18.97], [76.0, 18.75], [75.75, 18.85], [75.68, 18.82], [75.53, 18.47], [75.18, 18.32], [75.03, 17.97], [74.5, 17.75], [74.25, 17.85], [74.0, 17.75], [73.47, 17.97], [73.25, 18.5], [73.35, 18.75], [73.25, 19.0], [73.47, 19.53]]]]}, "2017-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.47, 19.53], [73.82, 19.68], [73.85, 19.75], [73.75, 20.0], [73.85, 20.25], [73.75, 20.5], [73.85, 20.75], [73.75, 21.0], [73.97, 21.53], [74.5, 21.75], [74.75, 21.65], [75.0, 21.75], [75.53, 21.53], [75.68, 21.18], [75.75, 21.15], [76.0, 21.25], [76.53, 21.03], [76.75, 20.5], [76.65, 20.25], [76.75, 20.0], [76.65, 19.75], [76.75, 19.5], [76.53, 18.97], [76.0, 18.75], [75.75, 18.85], [75.68, 18.82], [75.53, 18.47], [75.18, 18.32], [75.03, 17.97], [74.5, 17.75], [74.25, 17.85], [74.0, 17.75], [73.47, 17.97], [73.25, 18.5], [73.35, 18.75], [73.25, 19.0], [73.47, 19.53]]]]}, "2017-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.47, 19.53], [73.82, 19.68], [73.85, 19.75], [73.75, 20.0], [73.85, 20.25], [73.75, 20.5], [73.85, 20.75], [73.75, 21.0], [73.97, 21.53], [74.5, 21.75], [74.75, 21.65], [75.0, 21.75], [75.53, 21.53], [75.68, 21.18], [75.75, 21.15], [76.0, 21.25], [76.53, 21.03], [76.75, 20.5], [76.65, 20.25], [76.75, 20.0], [76.65, 19.75], [76.75, 19.5], [76.53, 18.97], [76.0, 18.75], [75.75, 18.85], [75.68, 18.82], [75.53, 18.47], [75.18, 18.32], [75.03, 17.97], [74.5, 17.75], [74.25, 17.85], [74.0, 17.75], [73.47, 17.97], [73.25, 18.5], [73.35, 18.75], [73.25, 19.0], [73.47, 19.53]]]]}, "2017-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.47, 21.03], [76.0, 21.25], [76.53, 21.03], [76.75, 20.5], [76.65, 20.25], [76.75, 20.0], [76.53, 19.47], [76.0, 19.25], [75.47, 19.47], [75.25, 20.0], [75.35, 20.25], [75.25, 20.5], [75.47, 21.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0633207676852408}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3626857955921947}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.59095866076325, 34.125760207648796, 34.91016361317156, 34.55477751802755, 34.952317584042476]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.901005359578846, 35.87971848447148, 36.93691244972479, 36.6293902272775, 35.17018306343283]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.951616105256079, 2.057168760253724, 2.771541658297925, 2.4574443225279357, 1.9185713328711813]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2762843757559494, 2.2750159830975463, 3.0633207676852408, 2.8323167273908894, 1.961144255964257]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2281417201252323, 1.3356141435020878, 1.8174859375814494, 1.6289304479483322, 1.2701043528394442]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.42766603814743, 1.5785691413822105, 2.1532966255841255, 1.9773899179316066, 1.2767496708572852]}}