{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:23.688643", "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": "2013-Dec-20_to_2013-Dec-24_87.0_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": 2013120002238}, "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 20 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 24 2013"}, "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": 73875.53567612692}, "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": 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": 87.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "87.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 81.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 88.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.47, 22.47], [81.25, 23.0], [81.47, 23.53], [82.0, 23.75], [82.53, 23.53], [82.75, 23.0], [82.53, 22.47], [82.0, 22.25], [81.47, 22.47]]], [[[83.47, 22.97], [83.25, 23.5], [83.47, 24.03], [84.0, 24.25], [84.53, 24.03], [84.75, 23.5], [84.53, 22.97], [84.0, 22.75], [83.47, 22.97]]]]}, "2013-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.47, 22.47], [81.25, 23.0], [81.47, 23.53], [82.0, 23.75], [82.25, 23.65], [82.5, 23.75], [82.75, 23.65], [82.82, 23.68], [82.85, 23.75], [82.75, 24.0], [82.85, 24.25], [82.75, 24.5], [82.97, 25.03], [83.5, 25.25], [83.75, 25.15], [84.0, 25.25], [84.25, 25.15], [84.5, 25.25], [84.75, 25.15], [85.0, 25.25], [85.53, 25.03], [85.75, 24.5], [85.65, 24.25], [85.75, 24.0], [85.65, 23.75], [85.75, 23.5], [85.63, 23.2], [85.75, 23.15], [86.0, 23.25], [86.5, 23.04], [87.0, 23.25], [87.25, 23.15], [87.5, 23.25], [88.03, 23.03], [88.18, 22.68], [88.53, 22.53], [88.75, 22.0], [88.53, 21.47], [88.0, 21.25], [87.75, 21.35], [87.5, 21.25], [87.25, 21.35], [87.0, 21.25], [86.75, 21.35], [86.5, 21.25], [86.25, 21.35], [86.0, 21.25], [85.47, 21.47], [85.32, 21.82], [85.25, 21.85], [85.0, 21.75], [84.47, 21.97], [84.32, 22.32], [83.97, 22.47], [83.82, 22.82], [83.75, 22.85], [83.68, 22.82], [83.53, 22.47], [83.0, 22.25], [82.75, 22.35], [82.5, 22.25], [82.25, 22.35], [82.0, 22.25], [81.47, 22.47]]]]}, "2013-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.47, 22.47], [81.25, 23.0], [81.47, 23.53], [82.0, 23.75], [82.25, 23.65], [82.5, 23.75], [82.75, 23.65], [82.82, 23.68], [82.85, 23.75], [82.75, 24.0], [82.85, 24.25], [82.75, 24.5], [82.97, 25.03], [83.5, 25.25], [83.75, 25.15], [84.0, 25.25], [84.25, 25.15], [84.5, 25.25], [84.75, 25.15], [85.0, 25.25], [85.53, 25.03], [85.75, 24.5], [85.65, 24.25], [85.75, 24.0], [85.65, 23.75], [85.75, 23.5], [85.63, 23.2], [85.75, 23.15], [86.0, 23.25], [86.5, 23.04], [87.0, 23.25], [87.25, 23.15], [87.5, 23.25], [88.03, 23.03], [88.18, 22.68], [88.53, 22.53], [88.75, 22.0], [88.53, 21.47], [88.0, 21.25], [87.75, 21.35], [87.5, 21.25], [87.25, 21.35], [87.0, 21.25], [86.75, 21.35], [86.5, 21.25], [86.25, 21.35], [86.0, 21.25], [85.47, 21.47], [85.32, 21.82], [85.25, 21.85], [85.0, 21.75], [84.47, 21.97], [84.32, 22.32], [83.97, 22.47], [83.82, 22.82], [83.75, 22.85], [83.68, 22.82], [83.53, 22.47], [83.0, 22.25], [82.75, 22.35], [82.5, 22.25], [82.25, 22.35], [82.0, 22.25], [81.47, 22.47]]]]}, "2013-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.47, 22.47], [81.25, 23.0], [81.47, 23.53], [82.0, 23.75], [82.25, 23.65], [82.5, 23.75], [82.75, 23.65], [82.82, 23.68], [82.85, 23.75], [82.75, 24.0], [82.85, 24.25], [82.75, 24.5], [82.97, 25.03], [83.5, 25.25], [83.75, 25.15], [84.0, 25.25], [84.25, 25.15], [84.5, 25.25], [84.75, 25.15], [85.0, 25.25], [85.53, 25.03], [85.75, 24.5], [85.65, 24.25], [85.75, 24.0], [85.65, 23.75], [85.75, 23.5], [85.63, 23.2], [85.75, 23.15], [86.0, 23.25], [86.5, 23.04], [87.0, 23.25], [87.25, 23.15], [87.5, 23.25], [88.03, 23.03], [88.18, 22.68], [88.53, 22.53], [88.75, 22.0], [88.53, 21.47], [88.0, 21.25], [87.75, 21.35], [87.5, 21.25], [87.25, 21.35], [87.0, 21.25], [86.75, 21.35], [86.5, 21.25], [86.25, 21.35], [86.0, 21.25], [85.47, 21.47], [85.32, 21.82], [85.25, 21.85], [85.0, 21.75], [84.47, 21.97], [84.32, 22.32], [83.97, 22.47], [83.82, 22.82], [83.75, 22.85], [83.68, 22.82], [83.53, 22.47], [83.0, 22.25], [82.75, 22.35], [82.5, 22.25], [82.25, 22.35], [82.0, 22.25], [81.47, 22.47]]]]}, "2013-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.47, 23.03], [87.0, 23.25], [87.25, 23.15], [87.5, 23.25], [88.03, 23.03], [88.18, 22.68], [88.53, 22.53], [88.75, 22.0], [88.53, 21.47], [88.0, 21.25], [87.75, 21.35], [87.5, 21.25], [87.25, 21.35], [87.0, 21.25], [86.47, 21.47], [86.25, 22.0], [86.35, 22.25], [86.25, 22.5], [86.47, 23.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.321783455146544}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7449595910897453}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.434532344841386, 18.988623965370266, 19.5098803555872, 19.379471075134518, 21.29228451960563]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.935985715292475, 22.27026901829163, 21.982550401635137, 22.563292992844595, 22.279003448974947]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2135000546934975, 2.4157369497634726, 2.967598414980887, 2.906747670774529, 2.670481241950051]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3443027201208793, 3.125785703408269, 3.924305431137043, 4.321783455146544, 2.9777897349387104]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3985508655955199, 1.5609872989000084, 1.9539965786667817, 1.963980330057674, 1.7962769241132588]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4536693566066556, 1.957521087353251, 2.5064611889018997, 2.9045743365248056, 1.9610601570608028]}}