{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:55.377816", "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-Nov-22_to_2012-Nov-25_20.0_-2.0"}, "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": 2012110002407}, "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": "November 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 25 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 61785.899839774575}, "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": -2.0}, "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": 20.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 17.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 21.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, -1.0], [17.47, -0.47], [17.82, -0.32], [17.97, 0.03], [18.5, 0.25], [18.75, 0.15], [19.0, 0.25], [19.53, 0.03], [19.75, -0.5], [19.63, -0.8], [19.75, -0.85], [20.0, -0.75], [20.53, -0.97], [20.68, -1.32], [21.03, -1.47], [21.18, -1.82], [21.25, -1.85], [21.5, -1.75], [22.03, -1.97], [22.25, -2.5], [22.03, -3.03], [21.68, -3.18], [21.53, -3.53], [21.0, -3.75], [20.47, -3.53], [20.32, -3.18], [20.25, -3.15], [20.0, -3.25], [19.75, -3.15], [19.5, -3.25], [18.97, -3.03], [18.82, -2.68], [18.75, -2.65], [18.5, -2.75], [17.97, -2.53], [17.75, -2.0], [17.85, -1.75], [17.82, -1.68], [17.47, -1.53], [17.25, -1.0]]]]}, "2012-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, -1.0], [17.47, -0.47], [17.82, -0.32], [17.97, 0.03], [18.5, 0.25], [18.75, 0.15], [19.0, 0.25], [19.53, 0.03], [19.75, -0.5], [19.63, -0.8], [19.75, -0.85], [20.0, -0.75], [20.53, -0.97], [20.68, -1.32], [20.75, -1.35], [21.0, -1.25], [21.53, -1.47], [21.68, -1.82], [22.03, -1.97], [22.25, -2.5], [22.03, -3.03], [21.68, -3.18], [21.53, -3.53], [21.0, -3.75], [20.47, -3.53], [20.32, -3.18], [20.25, -3.15], [20.0, -3.25], [19.75, -3.15], [19.5, -3.25], [18.97, -3.03], [18.82, -2.68], [18.75, -2.65], [18.5, -2.75], [17.97, -2.53], [17.75, -2.0], [17.85, -1.75], [17.82, -1.68], [17.47, -1.53], [17.25, -1.0]]]]}, "2012-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.25, -1.0], [17.47, -0.47], [17.82, -0.32], [17.97, 0.03], [18.5, 0.25], [18.75, 0.15], [19.0, 0.25], [19.53, 0.03], [19.75, -0.5], [19.63, -0.8], [19.75, -0.85], [20.0, -0.75], [20.53, -0.97], [20.68, -1.32], [20.75, -1.35], [21.0, -1.25], [21.53, -1.47], [21.68, -1.82], [22.03, -1.97], [22.25, -2.5], [22.03, -3.03], [21.68, -3.18], [21.53, -3.53], [21.0, -3.75], [20.47, -3.53], [20.32, -3.18], [20.25, -3.15], [20.0, -3.25], [19.75, -3.15], [19.5, -3.25], [18.97, -3.03], [18.82, -2.68], [18.75, -2.65], [18.5, -2.75], [17.97, -2.53], [17.75, -2.0], [17.85, -1.75], [17.82, -1.68], [17.47, -1.53], [17.25, -1.0]]]]}, "2012-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, -0.97], [19.0, -0.75], [19.25, -0.85], [19.5, -0.75], [19.75, -0.85], [20.0, -0.75], [20.53, -0.97], [20.68, -1.32], [20.75, -1.35], [21.0, -1.25], [21.53, -1.47], [21.68, -1.82], [22.03, -1.97], [22.25, -2.5], [22.03, -3.03], [21.68, -3.18], [21.53, -3.53], [21.0, -3.75], [20.47, -3.53], [20.32, -3.18], [20.25, -3.15], [20.0, -3.25], [19.75, -3.15], [19.5, -3.25], [18.97, -3.03], [18.82, -2.68], [18.47, -2.53], [18.25, -2.0], [18.35, -1.75], [18.25, -1.5], [18.47, -0.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9002788984912513}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.526463625665152}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.50368802351153, 26.219501398818522, 26.352137831560242, 26.353431491270612]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.77707096988712, 27.060821113751217, 27.179813442630234, 26.678130239065183]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6098913279494127, 1.35940892102914, 1.519883556022279, 1.6612899929634912]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8806905572704977, 1.6335013646699963, 1.9002788984912513, 1.8745191473503837]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.816141360862786, 1.5025445369278108, 1.6462852523922273, 1.7758823971650057]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.229143883394158, 1.8098647858363475, 1.9761523433509025, 1.9890094915546555]}}