{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:43.457569", "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": "2015-Aug-20_to_2015-Aug-26_86.5_22.5"}, "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": 2015080002467}, "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 20 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 26 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 57247.79864294609}, "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": ["Bangladesh", "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": ["Bay of Bengal"]}, "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": 22.5}, "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": 86.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "86.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 84.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 90.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "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": {"2015-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.47, 22.53], [85.82, 22.68], [85.97, 23.03], [86.5, 23.25], 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[85.0, 21.25], [84.47, 21.47]]]]}, "2015-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.97, 23.03], [86.5, 23.25], [86.75, 23.15], [87.0, 23.25], [87.25, 23.15], [87.5, 23.25], [87.75, 23.15], [88.0, 23.25], [88.5, 23.04], [88.82, 23.18], [88.97, 23.53], [89.5, 23.75], [90.03, 23.53], [90.18, 23.18], [90.53, 23.03], [90.75, 22.5], [90.65, 22.25], [90.75, 22.0], [90.53, 21.47], [90.0, 21.25], [89.75, 21.35], [89.5, 21.25], [89.25, 21.35], [89.0, 21.25], [88.75, 21.35], [88.5, 21.25], [88.0, 21.46], [87.5, 21.25], [87.25, 21.35], [87.0, 21.25], [86.75, 21.35], [86.5, 21.25], [85.97, 21.47], [85.75, 22.0], [85.85, 22.25], [85.75, 22.5], [85.97, 23.03]]]]}, "2015-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.5, 23.25], [86.75, 23.15], [87.0, 23.25], [87.53, 23.03], [87.75, 22.5], [87.65, 22.25], [87.75, 22.0], [87.53, 21.47], [87.0, 21.25], [86.75, 21.35], [86.5, 21.25], [85.97, 21.47], [85.75, 22.0], [85.85, 22.25], [85.75, 22.5], 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{"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3602432671975515}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.15092487129681, 28.884493437144783, 28.95686851947454, 28.92439423632453, 29.67530798657549, 29.6145673841815, 29.8801363583608]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.00302667470379, 29.806184199886218, 30.03521897041503, 30.087196114532105, 30.166335508155555, 30.074537164916592, 30.29116448813994]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6363728858434976, 1.631014923284359, 1.360194099288244, 1.3162016771603, 1.2263094227051472, 1.2729598436513687, 1.2566876237037405]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9369326489607488, 2.1971747002531288, 1.6483592501804196, 1.5572013810385101, 1.4508610507466528, 1.4869974249975257, 1.5386458248009376]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6692709008404325, 1.6695410836399556, 1.439233131847107, 1.3940989982911214, 1.4364490583032814, 1.6012747084872048, 1.7595615321824978]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0276539145693153, 2.2825198623348992, 1.715450530306287, 1.687404913224633, 1.6597352924815931, 1.747088045378313, 2.0794750093938954]}}