{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:48.730627", "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": "2016-Dec-01_to_2016-Dec-05_83.5_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": 2016120001084}, "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": "December 01 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 05 2016"}, "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": 64468.396541886585}, "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": 83.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "83.5\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": 85.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.47, 16.97], [81.25, 17.5], [81.47, 18.03], [82.0, 18.25], [82.25, 18.15], [82.32, 18.18], [82.47, 18.53], [82.82, 18.68], [82.97, 19.03], [83.5, 19.25], [83.8, 19.13], [83.97, 19.53], [84.5, 19.75], [85.03, 19.53], [85.25, 19.0], [85.03, 18.47], [84.5, 18.25], [84.2, 18.38], [84.03, 17.97], [83.68, 17.82], [83.53, 17.47], [83.18, 17.32], [83.03, 16.97], [82.5, 16.75], [82.25, 16.85], [82.0, 16.75], [81.47, 16.97]]]]}, "2016-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.0, 19.25], [81.25, 19.15], [81.32, 19.18], [81.47, 19.53], [82.0, 19.75], [82.5, 19.54], [83.0, 19.75], [83.25, 19.65], [83.5, 19.75], [83.75, 19.65], [83.82, 19.68], [83.97, 20.03], [84.32, 20.18], [84.47, 20.53], [85.0, 20.75], [85.53, 20.53], [85.75, 20.0], [85.65, 19.75], [85.75, 19.5], [85.53, 18.97], [85.18, 18.82], [85.03, 18.47], [84.5, 18.25], [84.25, 18.35], [84.18, 18.32], [84.03, 17.97], [83.68, 17.82], [83.53, 17.47], [83.18, 17.32], [83.03, 16.97], [82.5, 16.75], [82.25, 16.85], [82.0, 16.75], [81.47, 16.97], [81.32, 17.32], [81.25, 17.35], [81.0, 17.25], [80.75, 17.35], [80.5, 17.25], [79.97, 17.47], [79.75, 18.0], [79.97, 18.53], [80.32, 18.68], [80.47, 19.03], [81.0, 19.25]]]]}, "2016-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.0, 19.25], [81.25, 19.15], [81.32, 19.18], [81.47, 19.53], [82.0, 19.75], [82.5, 19.54], [83.0, 19.75], [83.25, 19.65], [83.5, 19.75], [83.75, 19.65], [83.82, 19.68], [83.97, 20.03], [84.32, 20.18], [84.47, 20.53], [85.0, 20.75], [85.53, 20.53], [85.75, 20.0], [85.65, 19.75], [85.75, 19.5], [85.53, 18.97], [85.18, 18.82], [85.03, 18.47], [84.5, 18.25], [84.25, 18.35], [84.18, 18.32], [84.03, 17.97], [83.68, 17.82], [83.53, 17.47], [83.18, 17.32], [83.03, 16.97], [82.5, 16.75], [82.25, 16.85], [82.0, 16.75], [81.47, 16.97], [81.32, 17.32], [81.25, 17.35], [81.0, 17.25], [80.75, 17.35], [80.5, 17.25], [79.97, 17.47], [79.75, 18.0], [79.97, 18.53], [80.32, 18.68], [80.47, 19.03], [81.0, 19.25]]]]}, "2016-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.0, 19.25], [81.25, 19.15], [81.32, 19.18], [81.47, 19.53], [82.0, 19.75], [82.5, 19.54], [83.0, 19.75], [83.25, 19.65], [83.5, 19.75], [83.75, 19.65], [83.82, 19.68], [83.97, 20.03], [84.32, 20.18], [84.47, 20.53], [85.0, 20.75], [85.53, 20.53], [85.75, 20.0], [85.65, 19.75], [85.75, 19.5], [85.53, 18.97], [85.18, 18.82], [85.03, 18.47], [84.5, 18.25], [84.25, 18.35], [84.18, 18.32], [84.03, 17.97], [83.68, 17.82], [83.53, 17.47], [83.18, 17.32], [83.03, 16.97], [82.5, 16.75], [82.25, 16.85], [82.0, 16.75], [81.47, 16.97], [81.32, 17.32], [81.25, 17.35], [81.0, 17.25], [80.75, 17.35], [80.5, 17.25], [79.97, 17.47], [79.75, 18.0], [79.97, 18.53], [80.32, 18.68], [80.47, 19.03], [81.0, 19.25]]]]}, "2016-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.5, 19.75], [84.03, 19.53], [84.25, 19.0], [84.03, 18.47], [83.5, 18.25], [82.97, 18.47], [82.75, 19.0], [82.97, 19.53], [83.5, 19.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.274044567816986}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.633317971234277}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.823128301489476, 24.045379388643767, 24.609434576814067, 24.065426341957902, 23.13408047149278]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.927468937615174, 26.38264837826887, 27.05851271570856, 27.03736037822665, 23.13408047149278]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.334315512901526, 2.3495234586967073, 3.0394107371740517, 2.6066810023083606, 2.0237820044196724]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5622067629276444, 3.159865834881259, 4.274044567816986, 3.5985719151198055, 2.0237820044196724]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8308394735118056, 1.7283520307355433, 2.278538254139601, 1.9811558794575455, 1.4878538625524254]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.951008792805926, 2.200736322348725, 2.784749965956139, 2.456587141979075, 1.4878538625524254]}}