{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:04.292352", "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-Jul-20_to_2012-Jul-26_20.5_0.0"}, "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": 2012070002628}, "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": "July 20 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 26 2012"}, "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": 71085.02288125105}, "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": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 0.0}, "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": 20.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 18.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.0, -0.25], [23.53, -0.47], [23.75, -1.0], [23.53, -1.53], [23.18, -1.68], [23.03, -2.03], [22.5, -2.25], [21.97, -2.03], [21.75, -1.5], [21.97, -0.97], [22.32, -0.82], [22.47, -0.47], [23.0, -0.25]]]]}, "2012-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.97, 0.53], [20.5, 0.75], [20.75, 0.65], [21.0, 0.75], [21.5, 0.54], [22.0, 0.75], [22.53, 0.53], [22.75, 0.0], [22.63, -0.3], [22.75, -0.35], [22.82, -0.32], [22.97, 0.03], [23.5, 0.25], [24.03, 0.03], [24.25, -0.5], [24.15, -0.75], [24.25, -1.0], [24.15, -1.25], [24.25, -1.5], [24.03, -2.03], [23.5, -2.25], [23.25, -2.15], [23.0, -2.25], [22.75, -2.15], [22.5, -2.25], [22.25, -2.15], [22.0, -2.25], [21.47, -2.03], [21.32, -1.68], [20.97, -1.53], [20.8, -1.13], [20.5, -1.25], [19.97, -1.03], [19.75, -0.5], [19.85, -0.25], [19.75, 0.0], [19.97, 0.53]]]]}, "2012-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.85, 0.25], [19.75, 0.5], [19.97, 1.03], [20.5, 1.25], [21.03, 1.03], [21.18, 0.68], [21.5, 0.54], [22.0, 0.75], [22.53, 0.53], [22.75, 0.0], [22.63, -0.3], [22.75, -0.35], [22.82, -0.32], [22.97, 0.03], [23.5, 0.25], [24.03, 0.03], [24.25, -0.5], [24.15, -0.75], [24.25, -1.0], [24.15, -1.25], [24.25, -1.5], [24.03, -2.03], [23.5, -2.25], [23.25, -2.15], [23.0, -2.25], [22.75, -2.15], [22.5, -2.25], [22.25, -2.15], [22.0, -2.25], [21.47, -2.03], [21.32, -1.68], [20.97, -1.53], [20.8, -1.13], [20.5, -1.25], [19.97, -1.03], [19.75, -0.5], [19.85, -0.25], [19.75, 0.0], [19.85, 0.25]]]]}, "2012-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.85, 0.25], [19.75, 0.5], [19.97, 1.03], [20.5, 1.25], [21.03, 1.03], [21.18, 0.68], [21.5, 0.54], [22.0, 0.75], [22.53, 0.53], [22.75, 0.0], [22.63, -0.3], [22.75, -0.35], [22.82, -0.32], [22.97, 0.03], [23.5, 0.25], [24.03, 0.03], [24.25, -0.5], [24.15, -0.75], [24.25, -1.0], [24.15, -1.25], [24.25, -1.5], [24.03, -2.03], [23.5, -2.25], [23.25, -2.15], [23.0, -2.25], [22.75, -2.15], [22.5, -2.25], [22.25, -2.15], [22.0, -2.25], [21.47, -2.03], [21.32, -1.68], 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[18.47, 0.47], [18.25, 1.0]]]]}, "2012-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.25, 1.0], [18.47, 1.53], [19.0, 1.75], [19.25, 1.65], [19.32, 1.68], [19.47, 2.03], [20.0, 2.25], [20.53, 2.03], [20.68, 1.68], [21.03, 1.53], [21.25, 1.0], [21.15, 0.75], [21.25, 0.5], [21.15, 0.25], [21.25, 0.0], [21.03, -0.53], [20.5, -0.75], [20.25, -0.65], [20.0, -0.75], [19.47, -0.53], [19.32, -0.18], [18.97, -0.03], [18.82, 0.32], [18.47, 0.47], [18.25, 1.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5362159870873597}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.746982031500784}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.062934582202388, 26.592976326835696, 26.86558050509109, 26.637397572001305, 26.089990196150268, 25.899276573421048, 25.950540654128645]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.154790888969785, 27.371805139913988, 27.60857893019056, 27.635833467200825, 26.357680851847874, 26.055666513602944, 26.346097673618544]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9804907419494384, 1.8079725013799401, 2.1301253050104076, 1.9026557448956396, 1.5601905414423072, 1.3305706420955006, 1.4098710306872761]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0040579637574183, 2.2372560047961088, 2.5362159870873597, 2.5266365284467724, 1.9236073248605976, 1.573629533922599, 1.744853602512194]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5023991951326552, 1.5800300968906782, 1.8943189291514335, 1.713394353709052, 1.770554219389728, 1.539585431045734, 1.6568745702556427]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5649467656060603, 1.8728782144282472, 2.1379373407752387, 2.017498313265907, 2.191727580419541, 1.8251441873929557, 2.061922816052118]}}