{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:14.101275", "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-Nov-29_to_2013-Dec-02_29.0_-6.5"}, "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": 2013110002661}, "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": "November 29 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 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": 61530.97588402193}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": -6.5}, "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": 29.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 27.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.0, -5.75], [29.53, -5.97], [29.75, -6.5], [29.53, -7.03], [29.0, -7.25], [28.47, -7.03], [28.25, -6.5], [28.47, -5.97], [29.0, -5.75]]]]}, "2013-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.85, -5.25], [26.75, -5.0], [26.85, -4.75], [26.75, -4.5], [26.97, -3.97], [27.5, -3.75], [27.75, -3.85], [27.82, -3.82], [27.85, -3.75], [27.75, -3.5], [27.97, -2.97], [28.5, -2.75], [29.03, -2.97], [29.25, -3.5], [29.15, -3.75], [29.25, -4.0], [29.15, -4.25], [29.25, -4.5], [29.15, -4.75], [29.18, -4.82], [29.53, -4.97], [29.75, -5.5], [29.54, -6.0], [29.75, -6.5], [29.53, -7.03], [29.18, -7.18], [29.03, -7.53], [28.5, -7.75], [28.25, -7.65], [28.0, -7.75], [27.47, -7.53], [27.25, -7.0], [27.35, -6.75], [27.32, -6.68], [26.97, -6.53], [26.75, -6.0], [26.85, -5.75], [26.75, -5.5], [26.85, -5.25]]]]}, "2013-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.85, -5.25], [26.75, -5.0], [26.85, -4.75], [26.75, -4.5], [26.97, -3.97], [27.5, -3.75], [27.75, -3.85], [27.82, -3.82], [27.85, -3.75], [27.75, -3.5], [27.97, -2.97], [28.5, -2.75], [29.03, -2.97], [29.25, -3.5], [29.15, -3.75], [29.25, -4.0], [29.15, -4.25], [29.25, -4.5], [29.15, -4.75], [29.18, -4.82], [29.53, -4.97], [29.75, -5.5], [29.54, -6.0], [29.75, -6.5], [29.53, -7.03], [29.18, -7.18], [29.03, -7.53], [28.5, -7.75], [28.25, -7.65], [28.0, -7.75], [27.47, -7.53], [27.25, -7.0], [27.35, -6.75], [27.32, -6.68], [26.97, -6.53], [26.75, -6.0], [26.85, -5.75], [26.75, -5.5], [26.85, -5.25]]]]}, "2013-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.85, -5.25], [26.75, -5.0], [26.85, -4.75], [26.75, -4.5], [26.97, -3.97], [27.5, -3.75], [27.75, -3.85], [27.82, -3.82], [27.85, -3.75], [27.75, -3.5], [27.97, -2.97], [28.5, -2.75], [29.03, -2.97], [29.25, -3.5], [29.15, -3.75], [29.25, -4.0], [29.15, -4.25], [29.25, -4.5], [29.15, -4.75], [29.18, -4.82], [29.53, -4.97], [29.75, -5.5], [29.54, -6.0], [29.75, -6.5], [29.53, -7.03], [29.18, -7.18], [29.03, -7.53], [28.5, -7.75], [28.25, -7.65], [28.0, -7.75], [27.47, -7.53], [27.25, -7.0], [27.35, -6.75], [27.32, -6.68], [26.97, -6.53], [26.75, -6.0], [26.85, -5.75], [26.75, -5.5], [26.85, -5.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.1456697981081447}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9896974393175102}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.056480296719485, 24.05202059753526, 24.306546253335057, 23.982971181236508]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.056480296719485, 25.70593083753488, 26.27600832862555, 25.786233215495372]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.504575771837267, 1.9179672007583803, 2.192456496735994, 1.8829247038321681]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.504575771837267, 2.454856703063797, 3.1456697981081447, 2.919220411988192]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4400188996327117, 1.8949684662288324, 2.2303720075006557, 1.9777816142881133]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4400188996327117, 2.370661570705563, 2.9359214662124717, 2.8317145477196712]}}