{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:47.872339", "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-Oct-18_to_2013-Oct-24_35.5_-10.5"}, "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": 2013100002365}, "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": "October 18 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 24 2013"}, "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": 75664.17093398503}, "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": ["Mozambique", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-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": -10.5}, "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": 35.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, -9.25], [36.53, -9.47], [36.75, -10.0], [36.53, -10.53], [36.0, -10.75], [35.47, -10.53], [35.25, -10.0], [35.47, -9.47], [36.0, -9.25]]]]}, "2013-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, -9.25], [36.53, -9.47], [36.75, -10.0], [36.53, -10.53], [36.0, -10.75], [35.47, -10.53], [35.25, -10.0], [35.47, -9.47], [36.0, -9.25]]]]}, "2013-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, -9.25], [36.53, -9.47], [36.75, -10.0], [36.53, -10.53], [36.0, -10.75], [35.47, -10.53], [35.25, -10.0], [35.47, -9.47], [36.0, -9.25]]]]}, "2013-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.75, -11.5], [34.85, -11.25], [34.75, -11.0], [34.85, -10.75], [34.75, -10.5], [34.97, -9.97], [35.5, -9.75], [35.75, -9.85], [36.0, -9.75], [36.53, -9.97], [36.68, -10.32], [36.75, -10.35], [37.0, -10.25], [37.53, -10.47], [37.75, -11.0], [37.65, -11.25], [37.75, -11.5], [37.65, -11.75], [37.75, -12.0], [37.65, -12.25], [37.75, -12.5], [37.65, -12.75], [37.75, -13.0], [37.65, -13.25], [37.68, -13.32], [38.03, -13.47], [38.25, -14.0], [38.03, -14.53], [37.5, -14.75], [36.97, -14.53], [36.82, -14.18], [36.75, -14.15], [36.5, -14.25], [35.97, -14.03], [35.75, -13.5], [35.97, -12.97], [36.32, -12.82], [36.35, -12.75], [36.32, -12.68], [36.25, -12.65], [36.0, -12.75], [35.75, -12.65], [35.68, -12.68], [35.53, -13.03], [35.0, -13.25], [34.47, -13.03], [34.25, -12.5], [34.47, -11.97], [34.82, -11.82], [34.85, -11.75], [34.75, -11.5]]]]}, "2013-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.35, -11.75], [34.25, -11.5], [34.46, -11.0], [34.25, -10.5], [34.47, -9.97], [34.82, -9.82], [34.97, -9.47], [35.5, -9.25], [36.03, -9.47], [36.18, -9.82], [36.53, -9.97], [36.68, -10.32], [36.75, -10.35], [37.0, -10.25], [37.53, -10.47], [37.75, -11.0], [37.65, -11.25], [37.75, -11.5], [37.65, -11.75], [37.75, -12.0], [37.65, -12.25], [37.75, -12.5], [37.65, -12.75], [37.75, -13.0], [37.65, -13.25], [37.68, -13.32], [38.03, -13.47], [38.25, -14.0], [38.03, -14.53], [37.5, -14.75], [36.97, -14.53], [36.82, -14.18], [36.75, -14.15], [36.5, -14.25], [35.97, -14.03], [35.75, -13.5], [35.97, -12.97], [36.32, -12.82], [36.35, -12.75], [36.32, -12.68], [36.25, -12.65], [36.0, -12.75], [35.75, -12.65], [35.68, -12.68], [35.53, -13.03], [35.0, -13.25], [34.47, -13.03], [34.25, -12.5], [34.35, -12.25], [34.25, -12.0], [34.35, -11.75]]]]}, "2013-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.35, -11.75], [34.25, -11.5], [34.46, -11.0], [34.25, -10.5], [34.47, -9.97], [34.82, -9.82], [34.97, -9.47], [35.5, -9.25], [36.03, -9.47], [36.18, -9.82], [36.53, -9.97], [36.68, -10.32], [36.75, -10.35], [37.0, -10.25], [37.53, -10.47], [37.75, -11.0], [37.65, -11.25], [37.75, -11.5], [37.65, -11.75], [37.75, -12.0], [37.65, -12.25], [37.75, -12.5], [37.65, -12.75], [37.75, -13.0], [37.65, -13.25], [37.68, -13.32], [38.03, -13.47], [38.25, -14.0], [38.03, -14.53], [37.5, -14.75], [36.97, -14.53], [36.82, -14.18], [36.75, -14.15], [36.5, -14.25], [35.97, -14.03], [35.75, -13.5], [35.97, -12.97], [36.32, -12.82], [36.35, -12.75], [36.32, -12.68], [36.25, -12.65], [36.0, -12.75], [35.75, -12.65], [35.68, -12.68], [35.53, -13.03], [35.0, -13.25], [34.47, -13.03], [34.25, -12.5], [34.35, -12.25], [34.25, -12.0], [34.35, -11.75]]]]}, "2013-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.46, -11.0], [34.25, -10.5], [34.47, -9.97], [34.82, -9.82], [34.97, -9.47], [35.5, -9.25], [36.03, -9.47], [36.25, -10.0], [36.15, -10.25], [36.25, -10.5], [36.03, -11.03], [35.63, -11.2], [35.75, -11.5], [35.65, -11.75], [35.75, -12.0], [35.53, -12.53], [35.0, -12.75], [34.47, -12.53], [34.25, -12.0], [34.35, -11.75], [34.25, -11.5], [34.46, -11.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7048406795855726}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8262268619882223}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.42039358481037, 25.9735289680267, 25.819967303564454, 27.414469433389172, 27.84268461054853, 27.832015659873207, 26.431307970731837]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.42039358481037, 25.9735289680267, 25.819967303564454, 28.594618602634398, 29.182796814661287, 29.233081849499, 28.339489714830904]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2772964234011965, 1.760527564782933, 1.552784459578163, 1.6045344221266447, 2.041143418900996, 1.9369984811533645, 1.3273078039010102]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2772964234011965, 1.760527564782933, 1.552784459578163, 1.9088128894132979, 2.7048406795855726, 2.563655217930375, 1.5135588335244279]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1858646106454263, 1.6110438718361537, 1.3634676914948207, 1.2766963004050145, 1.6399490241275714, 1.611770599180722, 1.273397088113822]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1858646106454263, 1.6110438718361537, 1.3634676914948207, 1.478057649567782, 2.07840916840686, 2.2323219637419043, 1.3522357459292365]}}