{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:39.633463", "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-Feb-05_to_2013-Feb-09_36.0_10.0"}, "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": 2013020001395}, "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": "February 05 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 09 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 51714.47825238543}, "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": ["Ethiopia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 10.0}, "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": 36.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.5, 12.75], [38.03, 12.53], [38.25, 12.0], [38.03, 11.47], [37.5, 11.25], [36.97, 11.47], [36.75, 12.0], [36.97, 12.53], [37.5, 12.75]]]]}, "2013-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.0, 9.75], [35.3, 9.63], [35.35, 9.75], [35.25, 10.0], [35.47, 10.53], [36.0, 10.75], [36.53, 10.53], [36.75, 10.0], [36.65, 9.75], [36.75, 9.5], [36.65, 9.25], [36.75, 9.0], [36.53, 8.47], [36.0, 8.25], [35.7, 8.38], [35.53, 7.97], [35.0, 7.75], [34.47, 7.97], [34.25, 8.5], [34.35, 8.75], [34.25, 9.0], [34.47, 9.53], [35.0, 9.75]]], [[[37.5, 12.75], [38.03, 12.53], [38.25, 12.0], [38.15, 11.75], [38.18, 11.68], [38.53, 11.53], [38.68, 11.18], [39.03, 11.03], [39.25, 10.5], [39.03, 9.97], [38.5, 9.75], [37.97, 9.97], [37.82, 10.32], [37.47, 10.47], [37.32, 10.82], [36.97, 10.97], [36.75, 11.5], [36.85, 11.75], [36.75, 12.0], [36.97, 12.53], [37.5, 12.75]]]]}, "2013-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 9.53], [35.0, 9.75], [35.25, 9.65], [35.32, 9.68], [35.35, 9.75], [35.25, 10.0], [35.47, 10.53], [36.0, 10.75], [36.25, 10.65], [36.32, 10.68], [36.35, 10.75], [36.25, 11.0], [36.47, 11.53], [36.82, 11.68], [36.85, 11.75], [36.75, 12.0], [36.97, 12.53], [37.5, 12.75], [38.03, 12.53], [38.25, 12.0], [38.15, 11.75], [38.18, 11.68], [38.53, 11.53], [38.68, 11.18], [38.75, 11.15], [39.0, 11.25], [39.53, 11.03], [39.75, 10.5], [39.53, 9.97], [39.0, 9.75], [38.75, 9.85], [38.5, 9.75], [38.0, 9.96], [37.5, 9.75], [37.25, 9.85], [37.18, 9.82], [37.15, 9.75], [37.25, 9.5], [37.03, 8.97], [36.68, 8.82], [36.53, 8.47], [36.0, 8.25], [35.75, 8.35], [35.68, 8.32], [35.53, 7.97], [35.0, 7.75], [34.47, 7.97], [34.25, 8.5], [34.35, 8.75], [34.25, 9.0], [34.47, 9.53]]]]}, "2013-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 9.53], [35.0, 9.75], [35.25, 9.65], [35.32, 9.68], [35.35, 9.75], [35.25, 10.0], [35.47, 10.53], [36.0, 10.75], [36.25, 10.65], [36.32, 10.68], [36.35, 10.75], [36.25, 11.0], [36.47, 11.53], [36.82, 11.68], [36.97, 12.03], [37.5, 12.25], [38.03, 12.03], [38.18, 11.68], [38.53, 11.53], [38.68, 11.18], [38.75, 11.15], [39.0, 11.25], [39.53, 11.03], [39.75, 10.5], [39.53, 9.97], [39.0, 9.75], [38.75, 9.85], [38.5, 9.75], [38.0, 9.96], [37.5, 9.75], [37.25, 9.85], [37.18, 9.82], [37.15, 9.75], [37.25, 9.5], [37.03, 8.97], [36.68, 8.82], [36.53, 8.47], [36.0, 8.25], [35.75, 8.35], [35.68, 8.32], [35.53, 7.97], [35.0, 7.75], [34.47, 7.97], [34.25, 8.5], [34.35, 8.75], [34.25, 9.0], [34.47, 9.53]]]]}, "2013-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.25, 10.0], [35.47, 10.53], [36.0, 10.75], [36.25, 10.65], [36.32, 10.68], [36.35, 10.75], [36.25, 11.0], [36.47, 11.53], [36.82, 11.68], [36.97, 12.03], [37.5, 12.25], [38.03, 12.03], [38.18, 11.68], [38.53, 11.53], [38.68, 11.18], [38.75, 11.15], [39.0, 11.25], [39.53, 11.03], [39.75, 10.5], [39.53, 9.97], [39.0, 9.75], [38.75, 9.85], [38.5, 9.75], [38.0, 9.96], [37.5, 9.75], [37.25, 9.85], [37.18, 9.82], [37.15, 9.75], [37.25, 9.5], [37.03, 8.97], 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"value": [1.1065168733012456, 1.8717275240012694, 1.8790503284304103, 1.8340313256563547, 1.8879180436679848]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1065168733012456, 2.66768028790608, 2.5041182518140204, 2.8330663769137345, 2.3245111055873053]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.137023010212299, 1.498420837456948, 1.4735636801387708, 1.3792241928714206, 1.3608050421915743]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.137023010212299, 2.0040021671688515, 2.0802682497226943, 1.7406254219823114, 1.54056954347403]}}