{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:42.517801", "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-Oct-18_to_2012-Oct-20_32.0_-17.5"}, "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": 2012100002320}, "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 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 20 2012"}, "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": 55800.17690613897}, "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", "Zimbabwe"]}, "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": -17.5}, "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": 32.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -17.5], [30.47, -16.97], [30.82, -16.82], [30.97, -16.47], [31.5, -16.25], [31.75, -16.35], [32.0, -16.25], [32.25, -16.35], [32.5, -16.25], [33.03, -16.47], [33.25, -17.0], [33.15, -17.25], [33.2, -17.37], [33.5, -17.25], [34.03, -17.47], [34.25, -18.0], [34.15, -18.25], [34.25, -18.5], [34.15, -18.75], [34.25, -19.0], [34.03, -19.53], [33.68, -19.68], [33.53, -20.03], [33.0, -20.25], [32.75, -20.15], [32.5, -20.25], [31.97, -20.03], [31.82, -19.68], [31.47, -19.53], [31.25, -19.0], [31.38, -18.7], [30.97, -18.53], [30.82, -18.18], [30.47, -18.03], [30.25, -17.5]]]]}, "2012-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -17.5], [30.47, -16.97], [30.82, -16.82], [30.97, -16.47], [31.5, -16.25], [31.75, -16.35], [32.0, -16.25], [32.25, -16.35], [32.5, -16.25], [33.03, -16.47], [33.25, -17.0], [33.15, -17.25], [33.2, -17.37], [33.5, -17.25], [34.03, -17.47], [34.25, -18.0], [34.15, -18.25], [34.25, -18.5], [34.15, -18.75], [34.25, -19.0], [34.03, -19.53], [33.68, -19.68], [33.53, -20.03], [33.0, -20.25], [32.75, -20.15], [32.5, -20.25], [31.97, -20.03], [31.82, -19.68], [31.47, -19.53], [31.25, -19.0], [31.38, -18.7], [30.97, -18.53], [30.82, -18.18], [30.47, -18.03], [30.25, -17.5]]]]}, "2012-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.25, -17.5], [30.47, -16.97], [30.82, -16.82], [30.97, -16.47], [31.5, -16.25], [31.75, -16.35], [32.0, -16.25], [32.25, -16.35], [32.5, -16.25], [33.03, -16.47], [33.25, -17.0], [33.15, -17.25], [33.2, -17.37], [33.5, -17.25], [34.03, -17.47], [34.25, -18.0], [34.15, -18.25], [34.25, -18.5], [34.15, -18.75], [34.25, -19.0], [34.03, -19.53], [33.68, -19.68], [33.53, -20.03], [33.0, -20.25], [32.75, -20.15], [32.5, -20.25], [31.97, -20.03], [31.82, -19.68], [31.47, -19.53], [31.25, -19.0], [31.38, -18.7], [30.97, -18.53], [30.82, -18.18], [30.47, -18.03], [30.25, -17.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.753236425764214}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.274591889883101}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.4337867771618, 27.993289054315653, 27.604808120629457]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.333153512975912, 31.229700411298552, 31.63220838240636]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.520866649452381, 4.945875383088662, 4.357033637108259]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.087654012465123, 5.753236425764214, 5.5558024530762395]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3272322103521415, 1.8694101992293137, 1.7063598399434925]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5209073982090466, 2.0342640796649563, 2.066503385714504]}}