{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:13.778475", "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-Apr-28_to_2013-Apr-30_355.0_8.5"}, "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": 2013040002684}, "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": "April 28 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 30 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 85601.62438459904}, "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": ["C\u00f4te d'Ivoire", "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": 8.5}, "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": 355.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "355.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 353.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 355.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.25, 8.5], [-7.03, 9.03], [-6.68, 9.18], [-6.53, 9.53], [-6.18, 9.68], [-6.15, 9.75], [-6.18, 9.82], [-6.53, 9.97], [-6.75, 10.5], [-6.53, 11.03], [-6.0, 11.25], [-5.75, 11.15], [-5.5, 11.25], [-4.97, 11.03], [-4.82, 10.68], [-4.47, 10.53], [-4.32, 10.18], [-3.97, 10.03], [-3.75, 9.5], [-3.85, 9.25], [-3.75, 9.0], [-3.85, 8.75], [-3.75, 8.5], [-3.96, 8.0], [-3.75, 7.5], [-3.97, 6.97], [-4.32, 6.82], [-4.35, 6.75], [-4.25, 6.5], [-4.35, 6.25], [-4.25, 6.0], [-4.47, 5.47], [-5.0, 5.25], [-5.53, 5.47], [-5.75, 6.0], [-5.65, 6.25], [-5.68, 6.32], [-5.75, 6.35], [-6.0, 6.25], [-6.53, 6.47], [-6.75, 7.0], [-6.65, 7.25], [-6.75, 7.5], [-6.65, 7.75], [-6.68, 7.82], [-7.03, 7.97], [-7.25, 8.5]]]]}, "2013-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.25, 8.5], [-7.03, 9.03], [-6.68, 9.18], [-6.53, 9.53], [-6.18, 9.68], [-6.15, 9.75], [-6.18, 9.82], [-6.53, 9.97], [-6.75, 10.5], [-6.53, 11.03], [-6.0, 11.25], [-5.75, 11.15], [-5.5, 11.25], [-4.97, 11.03], [-4.82, 10.68], [-4.47, 10.53], [-4.32, 10.18], [-3.97, 10.03], [-3.75, 9.5], [-3.85, 9.25], [-3.75, 9.0], [-3.85, 8.75], [-3.75, 8.5], [-3.96, 8.0], [-3.75, 7.5], [-3.97, 6.97], [-4.32, 6.82], [-4.35, 6.75], [-4.25, 6.5], [-4.35, 6.25], [-4.25, 6.0], [-4.47, 5.47], [-5.0, 5.25], [-5.53, 5.47], [-5.75, 6.0], [-5.65, 6.25], [-5.68, 6.32], [-5.75, 6.35], [-6.0, 6.25], [-6.53, 6.47], [-6.75, 7.0], [-6.65, 7.25], [-6.75, 7.5], [-6.65, 7.75], [-6.68, 7.82], [-7.03, 7.97], [-7.25, 8.5]]]]}, "2013-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.25, 8.5], [-7.03, 9.03], [-6.68, 9.18], [-6.53, 9.53], [-6.18, 9.68], [-6.15, 9.75], [-6.18, 9.82], [-6.53, 9.97], [-6.75, 10.5], [-6.53, 11.03], [-6.0, 11.25], [-5.75, 11.15], [-5.5, 11.25], [-4.97, 11.03], [-4.82, 10.68], [-4.47, 10.53], [-4.32, 10.18], [-3.97, 10.03], [-3.75, 9.5], [-3.85, 9.25], [-3.75, 9.0], [-3.85, 8.75], [-3.75, 8.5], [-3.96, 8.0], [-3.75, 7.5], [-3.97, 6.97], [-4.32, 6.82], [-4.35, 6.75], [-4.25, 6.5], [-4.35, 6.25], [-4.25, 6.0], [-4.47, 5.47], [-5.0, 5.25], [-5.53, 5.47], [-5.75, 6.0], [-5.65, 6.25], [-5.68, 6.32], [-5.75, 6.35], [-6.0, 6.25], [-6.53, 6.47], [-6.75, 7.0], [-6.65, 7.25], [-6.75, 7.5], [-6.65, 7.75], [-6.68, 7.82], [-7.03, 7.97], [-7.25, 8.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9396204470236853}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9202642029640087}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.12029315242586, 30.253833995505374, 30.35867038585161]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.431694029434595, 32.85907508597808, 32.81485796752281]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7702743384776423, 1.94724241964313, 2.0432758507712543]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1623946806656704, 2.6601170225924307, 2.9396204470236853]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6380745683581495, 1.7532047995848017, 1.8692627036817382]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0922628776102052, 2.2719063448978742, 2.46471431171112]}}