{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:42.901255", "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": "2012-Feb-12_to_2012-Feb-15_77.0_18.5"}, "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": 2012020002147}, "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 12 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 15 2012"}, "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": 61341.6303177477}, "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": 18.5}, "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": 77.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "77.0\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": 79.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.85, 18.75], [75.75, 19.0], [75.97, 19.53], [76.5, 19.75], [76.75, 19.65], [77.0, 19.75], [77.53, 19.53], [77.75, 19.0], [77.65, 18.75], [77.75, 18.5], [77.53, 17.97], [77.18, 17.82], [77.03, 17.47], [76.5, 17.25], [75.97, 17.47], [75.75, 18.0], [75.85, 18.25], [75.75, 18.5], [75.85, 18.75]]]]}, "2012-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.47, 18.03], [75.82, 18.18], [75.85, 18.25], [75.75, 18.5], [75.85, 18.75], [75.75, 19.0], [75.97, 19.53], [76.5, 19.75], [76.75, 19.65], [76.82, 19.68], [76.97, 20.03], [77.32, 20.18], [77.47, 20.53], [78.0, 20.75], [78.25, 20.65], [78.32, 20.68], [78.47, 21.03], [79.0, 21.25], [79.25, 21.15], [79.5, 21.25], [80.03, 21.03], [80.25, 20.5], [80.15, 20.25], [80.25, 20.0], [80.03, 19.47], [79.5, 19.25], [79.25, 19.35], [79.18, 19.32], [79.15, 19.25], [79.25, 19.0], [79.03, 18.47], [78.5, 18.25], [78.25, 18.35], [78.18, 18.32], [78.03, 17.97], [77.68, 17.82], [77.53, 17.47], [77.0, 17.25], [76.75, 17.35], [76.68, 17.32], [76.65, 17.25], [76.75, 17.0], [76.53, 16.47], [76.0, 16.25], [75.47, 16.47], [75.25, 17.0], [75.35, 17.25], [75.25, 17.5], [75.47, 18.03]]]]}, "2012-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.47, 18.03], [75.82, 18.18], [75.85, 18.25], [75.75, 18.5], [75.85, 18.75], [75.75, 19.0], [75.97, 19.53], [76.5, 19.75], [76.75, 19.65], [76.82, 19.68], [76.97, 20.03], [77.32, 20.18], [77.47, 20.53], [78.0, 20.75], [78.25, 20.65], [78.32, 20.68], [78.47, 21.03], [79.0, 21.25], [79.25, 21.15], [79.5, 21.25], [80.03, 21.03], [80.25, 20.5], [80.15, 20.25], [80.25, 20.0], [80.03, 19.47], [79.5, 19.25], [79.25, 19.35], [79.18, 19.32], [79.15, 19.25], [79.25, 19.0], [79.03, 18.47], [78.5, 18.25], [78.25, 18.35], [78.18, 18.32], [78.03, 17.97], [77.68, 17.82], [77.53, 17.47], [77.0, 17.25], [76.75, 17.35], [76.68, 17.32], [76.65, 17.25], [76.75, 17.0], [76.53, 16.47], [76.0, 16.25], [75.47, 16.47], [75.25, 17.0], [75.35, 17.25], [75.25, 17.5], [75.47, 18.03]]]]}, "2012-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.47, 18.03], [75.82, 18.18], [75.85, 18.25], [75.75, 18.5], [75.97, 19.03], [76.5, 19.25], [76.75, 19.15], [76.82, 19.18], [76.85, 19.25], [76.75, 19.5], [76.97, 20.03], [77.32, 20.18], [77.47, 20.53], [78.0, 20.75], [78.25, 20.65], [78.32, 20.68], [78.47, 21.03], [79.0, 21.25], [79.25, 21.15], [79.5, 21.25], [80.03, 21.03], [80.25, 20.5], [80.15, 20.25], [80.25, 20.0], [80.03, 19.47], [79.5, 19.25], [79.25, 19.35], [79.18, 19.32], [79.15, 19.25], [79.25, 19.0], [79.03, 18.47], [78.5, 18.25], [78.25, 18.35], [78.18, 18.32], [78.03, 17.97], [77.68, 17.82], [77.53, 17.47], [77.0, 17.25], [76.75, 17.35], [76.68, 17.32], [76.65, 17.25], [76.75, 17.0], [76.53, 16.47], [76.0, 16.25], [75.47, 16.47], [75.25, 17.0], [75.35, 17.25], [75.25, 17.5], [75.47, 18.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3905448774088995}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.456374411239355}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.034308008427615, 27.48818968518799, 27.733187499285293, 28.061133556975165]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.76553321834581, 29.489692361963932, 30.114761781492973, 29.81338784983967]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.4820511799381277, 2.332973770257416, 2.418857284941339, 2.6274738464701537]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.781642200453291, 2.796924353137058, 2.955696120292771, 3.3905448774088995]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5283966653063885, 1.4549937780825588, 1.5222875069202968, 1.6445631712067807]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.696780438913826, 1.8085079129603272, 1.9984729534137342, 2.1187016754442882]}}