{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:21.898743", "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-Aug-28_to_2012-Sep-02_86.0_25.0"}, "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": 2012080002963}, "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 28 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 02 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 69897.55408939907}, "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": []}, "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": 25.0}, "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": 86.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "86.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 83.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 88.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.47, 25.53], [85.0, 25.75], [85.25, 25.65], [85.5, 25.75], [85.75, 25.65], [86.0, 25.75], [86.53, 25.53], [86.75, 25.0], [86.53, 24.47], [86.18, 24.32], [86.03, 23.97], [85.5, 23.75], [85.25, 23.85], [85.0, 23.75], [84.47, 23.97], [84.25, 24.5], [84.35, 24.75], [84.25, 25.0], [84.47, 25.53]]]]}, "2012-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.75, 25.5], [82.97, 26.03], [83.5, 26.25], [83.75, 26.15], [84.0, 26.25], [84.25, 26.15], [84.5, 26.25], [84.75, 26.15], [85.0, 26.25], [85.25, 26.15], [85.5, 26.25], [86.03, 26.03], [86.18, 25.68], [86.53, 25.53], [86.75, 25.0], [86.53, 24.47], [86.18, 24.32], [86.03, 23.97], [85.5, 23.75], [85.25, 23.85], [85.0, 23.75], [84.75, 23.85], [84.5, 23.75], [83.97, 23.97], [83.82, 24.32], [83.47, 24.47], [83.32, 24.82], [82.97, 24.97], [82.75, 25.5]]]]}, "2012-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.75, 25.5], [82.97, 26.03], [83.32, 26.18], [83.47, 26.53], [84.0, 26.75], [84.25, 26.65], [84.5, 26.75], [85.03, 26.53], [85.18, 26.18], [85.25, 26.15], [85.5, 26.25], [85.75, 26.15], [86.0, 26.25], [86.25, 26.15], [86.5, 26.25], [87.03, 26.03], [87.25, 25.5], [87.03, 24.97], [86.68, 24.82], [86.53, 24.47], [86.18, 24.32], [86.03, 23.97], [85.5, 23.75], [85.25, 23.85], [85.0, 23.75], [84.75, 23.85], [84.5, 23.75], [83.97, 23.97], [83.82, 24.32], [83.47, 24.47], [83.32, 24.82], [82.97, 24.97], [82.75, 25.5]]]]}, "2012-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.75, 25.5], [82.97, 26.03], [83.32, 26.18], [83.47, 26.53], [84.0, 26.75], [84.25, 26.65], [84.5, 26.75], [85.03, 26.53], [85.18, 26.18], [85.25, 26.15], [85.5, 26.25], [85.75, 26.15], [86.0, 26.25], [86.25, 26.15], [86.5, 26.25], [86.75, 26.15], [87.0, 26.25], [87.25, 26.15], [87.5, 26.25], [87.75, 26.15], [88.0, 26.25], [88.25, 26.15], [88.5, 26.25], [89.03, 26.03], [89.25, 25.5], [89.15, 25.25], [89.25, 25.0], [89.03, 24.47], [88.5, 24.25], [88.0, 24.46], [87.5, 24.25], [87.25, 24.35], [87.0, 24.25], [86.75, 24.35], [86.5, 24.25], [86.25, 24.35], [86.0, 24.25], [85.47, 24.47], [85.32, 24.82], [85.25, 24.85], [85.18, 24.82], [85.15, 24.75], [85.25, 24.5], [85.03, 23.97], [84.5, 23.75], [83.97, 23.97], [83.82, 24.32], [83.47, 24.47], [83.32, 24.82], [82.97, 24.97], [82.75, 25.5]]]]}, "2012-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.75, 25.5], [82.97, 26.03], [83.32, 26.18], [83.47, 26.53], [84.0, 26.75], [84.25, 26.65], [84.5, 26.75], [85.03, 26.53], [85.18, 26.18], [85.25, 26.15], [85.5, 26.25], [85.75, 26.15], [86.0, 26.25], [86.25, 26.15], [86.5, 26.25], [86.75, 26.15], [87.0, 26.25], [87.25, 26.15], [87.5, 26.25], [87.75, 26.15], [88.0, 26.25], [88.25, 26.15], [88.5, 26.25], [89.03, 26.03], [89.25, 25.5], [89.15, 25.25], [89.25, 25.0], [89.03, 24.47], [88.5, 24.25], [88.0, 24.46], [87.5, 24.25], [87.25, 24.35], [87.0, 24.25], [86.75, 24.35], [86.5, 24.25], [86.25, 24.35], [86.0, 24.25], [85.47, 24.47], [85.32, 24.82], [85.25, 24.85], [85.18, 24.82], [85.15, 24.75], [85.25, 24.5], [85.03, 23.97], [84.5, 23.75], [83.97, 23.97], [83.82, 24.32], [83.47, 24.47], [83.32, 24.82], [82.97, 24.97], [82.75, 25.5]]]]}, "2012-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.47, 26.03], [86.0, 26.25], [86.25, 26.15], [86.5, 26.25], [86.75, 26.15], [87.0, 26.25], [87.25, 26.15], [87.5, 26.25], [87.75, 26.15], [88.0, 26.25], [88.25, 26.15], [88.5, 26.25], [89.03, 26.03], [89.25, 25.5], [89.15, 25.25], [89.25, 25.0], [89.03, 24.47], [88.5, 24.25], [88.0, 24.46], [87.5, 24.25], [87.25, 24.35], [87.0, 24.25], [86.75, 24.35], [86.5, 24.25], [86.25, 24.35], [86.0, 24.25], [85.47, 24.47], [85.25, 25.0], [85.35, 25.25], [85.25, 25.5], [85.47, 26.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3738301044568857}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8374120375915508}, "evo_areamean": {"name": "Evolution 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mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.453258183667442, 1.5693773391513384, 1.41418872307076, 1.3655301979014278, 1.5723842281969571, 1.3924105950660952]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.651233962279528, 1.8312452267642687, 1.5275222405000473, 1.438168562059, 1.8006936567750353, 1.5406569315494811]}}