{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:20.010883", "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-Aug-30_to_2013-Sep-02_31.5_-12.0"}, "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": 2013080003175}, "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 30 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 02 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 51267.89851240959}, "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": ["Congo DRC", "Zambia"]}, "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": -12.0}, "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": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 32.25}, "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": -10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.0, -12.75], [30.43, -12.93], [30.25, -12.5], [30.35, -12.25], [30.25, -12.0], [30.47, -11.47], [31.0, -11.25], [31.25, -11.35], [31.5, -11.25], [32.03, -11.47], [32.25, -12.0], [32.03, -12.53], [31.68, -12.68], [31.53, -13.03], [31.0, -13.25], [30.57, -13.07], [30.75, -13.5], [30.53, -14.03], [30.18, -14.18], [30.03, -14.53], [29.5, -14.75], [28.97, -14.53], [28.75, -14.0], [28.97, -13.47], [29.32, -13.32], [29.47, -12.97], [30.0, -12.75]]]]}, "2013-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.35, -13.25], [28.25, -13.0], [28.47, -12.47], [29.0, -12.25], [29.5, -12.46], [29.82, -12.32], [29.97, -11.97], [30.32, -11.82], [30.35, -11.75], [30.25, -11.5], [30.47, -10.97], [31.0, -10.75], [31.25, -10.85], [31.32, -10.82], [31.47, -10.47], [32.0, -10.25], [32.53, -10.47], [32.75, -11.0], [32.53, -11.53], [32.18, -11.68], [32.15, -11.75], [32.18, -11.82], [32.53, -11.97], [32.75, -12.5], [32.53, -13.03], [32.0, -13.25], [31.75, -13.15], [31.68, -13.18], [31.53, -13.53], [31.0, -13.75], [30.75, -13.65], [30.68, -13.68], [30.53, -14.03], [30.18, -14.18], [30.03, -14.53], [29.5, -14.75], [29.25, -14.65], [29.0, -14.75], [28.47, -14.53], [28.25, -14.0], [28.35, -13.75], [28.25, -13.5], [28.35, -13.25]]]]}, "2013-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.35, -13.25], [28.25, -13.0], [28.47, -12.47], [29.0, -12.25], [29.5, -12.46], [29.82, -12.32], [29.97, -11.97], [30.32, -11.82], [30.35, -11.75], [30.25, -11.5], [30.47, -10.97], [31.0, -10.75], [31.25, -10.85], [31.32, -10.82], [31.47, -10.47], [32.0, -10.25], [32.53, -10.47], [32.75, -11.0], [32.53, -11.53], [32.18, -11.68], [32.15, -11.75], [32.18, -11.82], [32.53, -11.97], [32.75, -12.5], [32.53, -13.03], [32.0, -13.25], [31.75, -13.15], [31.68, -13.18], [31.53, -13.53], [31.0, -13.75], [30.75, -13.65], [30.68, -13.68], [30.53, -14.03], [30.18, -14.18], [30.03, -14.53], [29.5, -14.75], [29.25, -14.65], [29.0, -14.75], [28.47, -14.53], [28.25, -14.0], [28.35, -13.75], [28.25, -13.5], [28.35, -13.25]]]]}, "2013-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.35, -13.25], [28.25, -13.0], [28.47, -12.47], [29.0, -12.25], [29.5, -12.46], [29.82, -12.32], [29.97, -11.97], [30.32, -11.82], [30.35, -11.75], [30.25, -11.5], [30.47, -10.97], [31.0, -10.75], [31.25, -10.85], [31.32, -10.82], [31.47, -10.47], [32.0, -10.25], [32.53, -10.47], [32.75, -11.0], [32.53, -11.53], [32.18, -11.68], [32.15, -11.75], [32.18, -11.82], [32.53, -11.97], [32.75, -12.5], [32.53, -13.03], [32.0, -13.25], [31.75, -13.15], [31.68, -13.18], [31.53, -13.53], [31.0, -13.75], [30.75, -13.65], [30.5, -13.75], [30.25, -13.65], [30.0, -13.75], [29.7, -13.62], [29.65, -13.75], [29.75, -14.0], [29.53, -14.53], [29.0, -14.75], [28.47, -14.53], [28.25, -14.0], [28.35, -13.75], [28.25, -13.5], [28.35, -13.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.1444446796056695}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.5822369102412033}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.037448727623428, 23.33496298116313, 23.563527375843478, 23.13101862411486]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.488190912883454, 26.939196599965214, 27.098597605800762, 27.123483159529428]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.355858694330254, 2.766471864806423, 2.867701408502927, 2.1253702690076506]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5865398858657613, 4.1444446796056695, 3.7123234122312283, 2.3821716078653026]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4317625714372049, 1.8018999575717596, 1.9191221334854442, 1.4541775347822867]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.587053499802193, 2.7932063339929747, 2.6442012573796716, 1.608064865207953]}}