{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:14.544258", "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-Nov-09_to_2015-Nov-13_357.5_11.0"}, "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": 2015110001404}, "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 09 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 13 2015"}, "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": 60608.35343309224}, "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": ["Burkina Faso", "Ghana", "Mali"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-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": 11.0}, "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": 357.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 355.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.25, 11.0], [-3.03, 11.53], [-2.5, 11.75], [-2.0, 11.54], [-1.5, 11.75], [-0.97, 11.53], [-0.75, 11.0], [-0.85, 10.75], [-0.75, 10.5], [-0.97, 9.97], [-1.32, 9.82], [-1.47, 9.47], [-2.0, 9.25], [-2.53, 9.47], [-2.75, 10.0], [-2.65, 10.25], [-2.68, 10.32], [-3.03, 10.47], [-3.25, 11.0]]]]}, "2015-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 13.03], [-4.5, 13.25], [-4.25, 13.15], [-4.0, 13.25], [-3.47, 13.03], [-3.32, 12.68], [-3.25, 12.65], [-3.0, 12.75], [-2.47, 12.53], [-2.32, 12.18], [-2.0, 12.04], [-1.5, 12.25], [-0.97, 12.03], [-0.75, 11.5], [-0.85, 11.25], [-0.75, 11.0], [-0.85, 10.75], [-0.75, 10.5], [-0.97, 9.97], [-1.32, 9.82], [-1.47, 9.47], [-2.0, 9.25], [-2.53, 9.47], [-2.68, 9.82], [-3.03, 9.97], [-3.18, 10.32], [-3.25, 10.35], [-3.5, 10.25], [-4.03, 10.47], [-4.25, 11.0], [-4.15, 11.25], [-4.18, 11.32], [-4.25, 11.35], [-4.5, 11.25], [-5.03, 11.47], [-5.25, 12.0], [-5.15, 12.25], [-5.25, 12.5], [-5.03, 13.03]]]]}, "2015-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 13.03], [-4.5, 13.25], [-4.25, 13.15], [-4.0, 13.25], [-3.47, 13.03], [-3.32, 12.68], [-3.25, 12.65], [-3.0, 12.75], [-2.47, 12.53], [-2.32, 12.18], [-2.0, 12.04], [-1.5, 12.25], [-0.97, 12.03], [-0.75, 11.5], [-0.85, 11.25], [-0.75, 11.0], [-0.85, 10.75], [-0.75, 10.5], [-0.97, 9.97], [-1.32, 9.82], [-1.47, 9.47], [-2.0, 9.25], [-2.53, 9.47], [-2.68, 9.82], [-3.03, 9.97], [-3.18, 10.32], [-3.25, 10.35], [-3.5, 10.25], [-4.03, 10.47], [-4.18, 10.82], [-4.53, 10.97], [-4.68, 11.32], [-5.03, 11.47], [-5.25, 12.0], [-5.15, 12.25], [-5.25, 12.5], [-5.03, 13.03]]]]}, "2015-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 13.03], [-4.5, 13.25], [-4.25, 13.15], [-4.0, 13.25], [-3.47, 13.03], [-3.32, 12.68], [-3.25, 12.65], [-3.0, 12.75], [-2.47, 12.53], [-2.32, 12.18], [-2.0, 12.04], [-1.5, 12.25], [-0.97, 12.03], [-0.75, 11.5], [-0.85, 11.25], [-0.75, 11.0], [-0.97, 10.47], [-1.32, 10.32], [-1.35, 10.25], [-1.25, 10.0], [-1.47, 9.47], [-2.0, 9.25], [-2.53, 9.47], [-2.68, 9.82], [-3.03, 9.97], [-3.18, 10.32], [-3.25, 10.35], [-3.5, 10.25], [-4.03, 10.47], [-4.18, 10.82], [-4.53, 10.97], [-4.68, 11.32], [-5.03, 11.47], [-5.25, 12.0], [-5.15, 12.25], [-5.25, 12.5], [-5.03, 13.03]]]]}, "2015-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.25, 12.0], [-5.03, 12.53], [-4.5, 12.75], [-3.97, 12.53], [-3.82, 12.18], [-3.75, 12.15], [-3.5, 12.25], [-2.97, 12.03], [-2.82, 11.68], [-2.75, 11.65], [-2.5, 11.75], [-1.97, 11.53], [-1.75, 11.0], [-1.97, 10.47], [-2.5, 10.25], [-2.75, 10.35], [-3.0, 10.25], [-3.53, 10.47], [-3.68, 10.82], [-3.75, 10.85], [-4.0, 10.75], [-4.53, 10.97], [-4.68, 11.32], [-5.03, 11.47], [-5.25, 12.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.062337373546086}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.079499896158984}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.92593249816838, 30.624679563581708, 30.2828793845606, 30.103191527103206, 29.808172251454153]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.03857260115501, 31.997214399541008, 31.498739482362907, 31.214386324134296, 30.512408366749185]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6305303100012452, 2.376543093973079, 2.100838526696285, 1.9843470240420396, 1.6759317225183508]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0251079047406506, 3.062337373546086, 2.955564703047628, 2.701948891030952, 1.9666799418145047]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3030338641145653, 1.8691284372748598, 1.643521236479295, 1.5367772905303319, 1.3459107821065122]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4170071909555042, 2.3363033562946174, 2.343517983553018, 2.032664182468496, 1.5360250105219242]}}