{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:26.989299", "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-May-16_to_2013-May-19_29.5_3.0"}, "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": 2013050002205}, "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": "May 16 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 19 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": 70877.42440069295}, "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", "South Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "S.Eastern-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": 3.0}, "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": 29.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.75, 5.0], [28.97, 5.53], [29.32, 5.68], [29.47, 6.03], [30.0, 6.25], [30.53, 6.03], [30.75, 5.5], [30.54, 5.0], [30.75, 4.5], [30.53, 3.97], [30.0, 3.75], [29.75, 3.85], [29.68, 3.82], [29.63, 3.7], [30.03, 3.53], [30.25, 3.0], [30.03, 2.47], [29.5, 2.25], [28.97, 2.47], [28.75, 3.0], [28.88, 3.3], [28.47, 3.47], [28.25, 4.0], [28.47, 4.53], [28.82, 4.68], [28.85, 4.75], [28.75, 5.0]]]]}, "2013-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, 3.03], [28.32, 3.18], [28.46, 3.5], [28.25, 4.0], [28.47, 4.53], [28.82, 4.68], [28.85, 4.75], [28.75, 5.0], [28.97, 5.53], [29.32, 5.68], [29.47, 6.03], [30.0, 6.25], [30.25, 6.15], [30.32, 6.18], [30.35, 6.25], [30.25, 6.5], [30.47, 7.03], [31.0, 7.25], [31.53, 7.03], [31.68, 6.68], [32.03, 6.53], [32.25, 6.0], [32.15, 5.75], [32.25, 5.5], [32.15, 5.25], [32.25, 5.0], [32.15, 4.75], [32.25, 4.5], [32.15, 4.25], [32.25, 4.0], [32.03, 3.47], [31.5, 3.25], [31.0, 3.46], [30.68, 3.32], [30.53, 2.97], [30.18, 2.82], [30.15, 2.75], [30.25, 2.5], [30.03, 1.97], [29.5, 1.75], [29.25, 1.85], [29.18, 1.82], [29.03, 1.47], [28.5, 1.25], [27.97, 1.47], [27.75, 2.0], [27.85, 2.25], [27.75, 2.5], [27.97, 3.03]]]]}, "2013-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, 3.03], [28.32, 3.18], [28.46, 3.5], [28.25, 4.0], [28.47, 4.53], [28.82, 4.68], [28.85, 4.75], [28.75, 5.0], [28.97, 5.53], [29.32, 5.68], [29.47, 6.03], [30.0, 6.25], [30.25, 6.15], [30.32, 6.18], [30.35, 6.25], [30.25, 6.5], [30.47, 7.03], [31.0, 7.25], [31.53, 7.03], [31.68, 6.68], [32.03, 6.53], [32.25, 6.0], [32.15, 5.75], [32.25, 5.5], [32.15, 5.25], [32.25, 5.0], [32.15, 4.75], [32.25, 4.5], [32.15, 4.25], [32.25, 4.0], [32.03, 3.47], [31.5, 3.25], [31.0, 3.46], [30.68, 3.32], [30.53, 2.97], [30.18, 2.82], [30.15, 2.75], [30.25, 2.5], [30.03, 1.97], [29.5, 1.75], [29.25, 1.85], [29.18, 1.82], [29.03, 1.47], [28.5, 1.25], [27.97, 1.47], [27.75, 2.0], [27.85, 2.25], [27.75, 2.5], [27.97, 3.03]]]]}, "2013-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.97, 3.03], [28.32, 3.18], [28.47, 3.53], [29.0, 3.75], [29.25, 3.65], [29.32, 3.68], [29.47, 4.03], [29.82, 4.18], [29.97, 4.53], [30.32, 4.68], [30.35, 4.75], [30.32, 4.82], [29.97, 4.97], [29.75, 5.5], [29.97, 6.03], [30.32, 6.18], [30.35, 6.25], [30.25, 6.5], [30.47, 7.03], [31.0, 7.25], [31.53, 7.03], [31.68, 6.68], [32.03, 6.53], [32.25, 6.0], [32.15, 5.75], [32.25, 5.5], [32.15, 5.25], [32.25, 5.0], [32.15, 4.75], [32.25, 4.5], [32.15, 4.25], [32.25, 4.0], [32.03, 3.47], [31.5, 3.25], [31.0, 3.46], [30.68, 3.32], [30.53, 2.97], [30.18, 2.82], [30.15, 2.75], [30.25, 2.5], [30.03, 1.97], [29.5, 1.75], [29.25, 1.85], [29.18, 1.82], [29.03, 1.47], [28.5, 1.25], [27.97, 1.47], [27.75, 2.0], [27.85, 2.25], [27.75, 2.5], [27.97, 3.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.885943406140825}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7783794018769088}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.844872253182075, 26.904927582802998, 27.381964983106627, 27.21703893881829]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.870738719511905, 30.70232724898898, 31.03992538836917, 30.895637085847454]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.281994224720724, 1.619468244542922, 2.0754625533092756, 1.7672880240254851]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4471986665019472, 2.556162557679272, 2.885943406140825, 2.5930190583809463]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3389897836445588, 1.4931838873353755, 1.8792405419235465, 1.5058642281158674]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.411664732055435, 1.8154779729150763, 2.3260796094675884, 1.767694783977122]}}