{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:33.715552", "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": "2022-Aug-14_to_2022-Aug-21_40.0_-14.5"}, "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": 2022080002245}, "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": "August 14 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 21 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 62865.87615632906}, "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"]}, "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": -14.5}, "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": 40.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[40.68, -13.32], [41.03, -13.47], [41.25, -14.0], [41.15, -14.25], [41.25, -14.5], [41.15, -14.75], [41.25, -15.0], [41.03, -15.53], [40.68, -15.68], [40.53, -16.03], [40.18, -16.18], [40.03, -16.53], [39.5, -16.75], [38.97, -16.53], [38.82, -16.18], [38.47, -16.03], [38.25, -15.5], [38.46, -15.0], [38.32, -14.68], [37.97, -14.53], [37.75, -14.0], [37.85, -13.75], [37.75, -13.5], [37.97, -12.97], [38.5, -12.75], [38.75, -12.85], [38.82, -12.82], [38.97, -12.47], [39.5, -12.25], [40.03, -12.47], [40.18, -12.82], [40.53, -12.97], [40.68, -13.32]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.25, -13.5], [38.47, -12.97], [39.0, -12.75], [39.53, -12.97], [39.75, -13.5], [39.65, -13.75], [39.75, -14.0], [39.63, -14.3], [40.03, -14.47], [40.25, -15.0], [40.15, -15.25], [40.25, -15.5], [40.15, -15.75], [40.25, -16.0], 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"coordinates": [[[[37.75, -13.5], [37.97, -12.97], [38.5, -12.75], [38.75, -12.85], [39.0, -12.75], [39.25, -12.85], [39.5, -12.75], [39.75, -12.85], [40.0, -12.75], [40.53, -12.97], [40.68, -13.32], [41.03, -13.47], [41.25, -14.0], [41.15, -14.25], [41.25, -14.5], [41.15, -14.75], [41.25, -15.0], [41.03, -15.53], [40.68, -15.68], [40.53, -16.03], [40.0, -16.25], [39.47, -16.03], [39.32, -15.68], [38.97, -15.53], [38.82, -15.18], [38.47, -15.03], [38.32, -14.68], [37.97, -14.53], [37.75, -14.0], [37.85, -13.75], [37.75, -13.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8959851392611426}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5783296195691625}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.633781464248045, 23.787808193478668, 23.76377913450159, 23.846949825074717, 23.91851915383876, 24.524639845254853, 24.51773518356879, 24.22687462932106]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.13371490683545, 24.971946162390793, 24.317038862337768, 24.32772441165673, 24.36003150217556, 25.67393666413028, 25.81552019260573, 25.264045670725523]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3167620468168821, 1.5389108957987683, 1.4145001644868977, 1.37402452597006, 1.3918904735137565, 1.870409643665899, 1.8022594958022295, 1.4555147778855793]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4674432093307246, 2.433461510312725, 1.7043999438316177, 1.7662810784482303, 1.7996036584527815, 2.785465102452804, 2.8959851392611426, 1.863966884801016]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.14695937920526, 1.4564662858879809, 1.4068701646299724, 1.4984016350568856, 1.4588722874122837, 2.0628724496767115, 2.025974242192996, 1.7425153295674347]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3081708687792917, 2.0518245192344997, 1.7290818440910698, 1.9316570509613384, 1.7467552072756676, 2.617737524452364, 2.724267366297663, 2.0998071243145806]}}