{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:35.712840", "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": "2015-Mar-13_to_2015-Mar-19_13.5_7.0"}, "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": 2015030001752}, "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": "March 13 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 19 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 52154.06690694186}, "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": ["Cameroon", "Central African Republic", "Chad"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": 7.0}, "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": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.5, 7.25], [13.03, 7.03], [13.25, 6.5], [13.03, 5.97], [12.68, 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[16.15, 7.75], [16.25, 7.5], [16.03, 6.97], [15.68, 6.82], [15.53, 6.47], [15.0, 6.25], [14.75, 6.35], [14.68, 6.32], [14.53, 5.97], [14.18, 5.82], [14.03, 5.47], [13.5, 5.25], [12.97, 5.47], [12.8, 5.88], [12.68, 5.82], [12.53, 5.47], [12.0, 5.25], [11.47, 5.47], [11.25, 6.0], [11.35, 6.25], [11.25, 6.5], [11.35, 6.75]]]]}, "2015-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.35, 7.25], [11.25, 7.5], [11.47, 8.03], [12.0, 8.25], [12.53, 8.03], [12.68, 7.68], [12.75, 7.65], [13.0, 7.75], [13.25, 7.65], [13.5, 7.75], [13.75, 7.65], [14.0, 7.75], [14.25, 7.65], [14.32, 7.68], [14.35, 7.75], [14.25, 8.0], [14.47, 8.53], [15.0, 8.75], [15.25, 8.65], [15.5, 8.75], [16.03, 8.53], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.03, 6.97], [15.68, 6.82], [15.53, 6.47], [15.0, 6.25], [14.75, 6.35], [14.68, 6.32], [14.53, 5.97], [14.18, 5.82], [14.03, 5.47], [13.5, 5.25], [12.97, 5.47], [12.8, 5.88], [12.5, 5.75], [12.25, 5.85], [12.0, 5.75], [11.47, 5.97], [11.25, 6.5], [11.35, 6.75], [11.25, 7.0], [11.35, 7.25]]]]}, "2015-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.35, 7.25], [11.25, 7.5], [11.47, 8.03], [12.0, 8.25], [12.53, 8.03], [12.68, 7.68], [12.75, 7.65], [13.0, 7.75], [13.25, 7.65], [13.5, 7.75], [13.75, 7.65], [14.0, 7.75], [14.25, 7.65], [14.32, 7.68], [14.35, 7.75], [14.25, 8.0], [14.47, 8.53], [15.0, 8.75], [15.25, 8.65], [15.5, 8.75], [16.03, 8.53], [16.25, 8.0], [16.15, 7.75], [16.25, 7.5], [16.03, 6.97], [15.68, 6.82], [15.53, 6.47], [15.0, 6.25], [14.75, 6.35], [14.5, 6.25], [14.25, 6.35], [14.0, 6.25], [13.75, 6.35], [13.5, 6.25], [13.25, 6.35], [13.0, 6.25], [12.75, 6.35], [12.68, 6.32], [12.53, 5.97], [12.0, 5.75], [11.47, 5.97], [11.25, 6.5], [11.35, 6.75], [11.25, 7.0], [11.35, 7.25]]]]}, "2015-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.5, 7.75], [14.03, 7.53], [14.25, 7.0], [14.03, 6.47], [13.5, 6.25], [12.97, 6.47], [12.75, 7.0], [12.97, 7.53], [13.5, 7.75]]]]}, 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8239272292493638, 1.9506875854748729, 2.2985258774128017, 2.823250876913189, 1.9453215334031904, 1.8996896618477876, 1.9241999771884366]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.101112834683704, 2.5060944426912783, 2.9301187828465913, 3.200795148993052, 2.3092841088408704, 1.8996896618477876, 1.9241999771884366]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.20501011348806, 1.2930049028913415, 1.6557783953181637, 1.9833978814351623, 1.3623430720701188, 1.2570265775627494, 1.2464004479067945]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3159594387664162, 1.5250979528802795, 1.9705036676786332, 2.4564557519937744, 1.7005226607361532, 1.2570265775627494, 1.2464004479067945]}}