{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:26.074196", "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-Aug-27_to_2019-Aug-31_73.5_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": 2019080002933}, "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": "August 27 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 31 2019"}, "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": 136526.0788475915}, "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": ["Arabian Sea"]}, "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": 73.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "73.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 72.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 75.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[73.47, 18.03], [74.0, 18.25], [74.53, 18.03], [74.68, 17.68], [75.03, 17.53], [75.25, 17.0], [75.15, 16.75], [75.25, 16.5], [75.03, 15.97], [74.5, 15.75], [74.25, 15.85], [74.0, 15.75], [73.47, 15.97], [73.25, 16.5], [73.46, 17.0], [73.25, 17.5], [73.47, 18.03]]]]}, "2019-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.75, 19.5], [72.96, 20.0], [72.75, 20.5], [72.97, 21.03], [73.5, 21.25], [74.03, 21.03], [74.25, 20.5], [74.13, 20.2], [74.53, 20.03], [74.68, 19.68], [74.75, 19.65], [75.0, 19.75], [75.25, 19.65], [75.5, 19.75], [76.03, 19.53], [76.25, 19.0], [76.15, 18.75], [76.25, 18.5], [76.03, 17.97], [75.68, 17.82], [75.53, 17.47], [75.13, 17.3], [75.25, 17.0], [75.15, 16.75], [75.25, 16.5], [75.03, 15.97], [74.5, 15.75], [74.25, 15.85], [74.0, 15.75], [73.47, 15.97], [73.25, 16.5], [73.46, 17.0], [73.25, 17.5], [73.35, 17.75], [73.32, 17.82], [73.25, 17.85], [73.0, 17.75], [72.47, 17.97], [72.25, 18.5], [72.47, 19.03], [72.82, 19.18], [72.85, 19.25], [72.75, 19.5]]]]}, "2019-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.35, 19.25], [72.25, 19.5], [72.35, 19.75], [72.25, 20.0], [72.35, 20.25], [72.25, 20.5], [72.35, 20.75], [72.25, 21.0], [72.35, 21.25], [72.25, 21.5], [72.47, 22.03], [72.82, 22.18], [72.85, 22.25], [72.75, 22.5], [72.97, 23.03], [73.32, 23.18], [73.47, 23.53], [74.0, 23.75], [74.53, 23.53], [74.68, 23.18], [75.03, 23.03], [75.25, 22.5], [75.15, 22.25], [75.18, 22.18], [75.25, 22.15], [75.5, 22.25], [76.03, 22.03], [76.25, 21.5], [76.03, 20.97], [75.5, 20.75], [75.25, 20.85], [75.18, 20.82], [75.15, 20.75], [75.25, 20.5], [75.15, 20.25], [75.25, 20.0], [75.13, 19.7], [75.25, 19.65], [75.5, 19.75], [76.03, 19.53], [76.25, 19.0], [76.15, 18.75], [76.25, 18.5], [76.03, 17.97], [75.68, 17.82], [75.53, 17.47], [75.13, 17.3], [75.25, 17.0], [75.15, 16.75], [75.25, 16.5], [75.03, 15.97], [74.5, 15.75], [74.25, 15.85], [74.0, 15.75], [73.47, 15.97], [73.25, 16.5], [73.46, 17.0], [73.25, 17.5], [73.35, 17.75], [73.32, 17.82], [73.25, 17.85], [73.0, 17.75], [72.47, 17.97], [72.25, 18.5], [72.35, 18.75], [72.25, 19.0], [72.35, 19.25]]]]}, "2019-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.35, 19.25], [72.25, 19.5], [72.35, 19.75], [72.25, 20.0], [72.35, 20.25], [72.25, 20.5], [72.35, 20.75], [72.25, 21.0], [72.35, 21.25], [72.25, 21.5], [72.47, 22.03], [72.82, 22.18], [72.85, 22.25], [72.75, 22.5], [72.97, 23.03], [73.32, 23.18], [73.47, 23.53], [74.0, 23.75], [74.53, 23.53], [74.68, 23.18], [75.03, 23.03], [75.25, 22.5], [75.15, 22.25], [75.18, 22.18], [75.25, 22.15], [75.5, 22.25], [76.03, 22.03], [76.25, 21.5], [76.03, 20.97], [75.5, 20.75], [75.25, 20.85], [75.18, 20.82], [75.15, 20.75], [75.25, 20.5], [75.15, 20.25], [75.25, 20.0], [75.13, 19.7], [75.25, 19.65], [75.5, 19.75], [76.03, 19.53], [76.25, 19.0], [76.15, 18.75], [76.25, 18.5], [76.03, 17.97], [75.68, 17.82], [75.53, 17.47], [75.0, 17.25], [74.75, 17.35], [74.5, 17.25], [74.25, 17.35], [74.0, 17.25], [73.47, 17.47], [73.32, 17.82], [73.25, 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anomaly recorded over entire duration", "value": 2.385218980374532}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4533787244824745}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.542227320932852, 25.654941381690605, 26.967706170549945, 26.904138785020166, 27.258398684477527]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.361372818783195, 27.68498048639009, 28.83451979591473, 29.329008784973894, 29.160964015024547]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0551865415425823, 1.2760616496032722, 1.6671051664980452, 1.4191828880023576, 1.341023741659579]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.137406714893359, 1.6728848584342018, 2.385218980374532, 1.942654023974967, 1.6779882117563716]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3871388310557087, 1.6017499678884093, 2.1099682542500435, 1.7681115408513188, 1.6358819323129519]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4342981484573316, 2.030680226207633, 2.8073597770937906, 2.412378596082813, 2.04635645585196]}}