{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:18.126183", "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": "2014-Apr-20_to_2014-Apr-22_39.5_17.0"}, "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": 2014040002219}, "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": "April 20 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 22 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 56029.51214428559}, "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": ["Eritrea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Sahara"]}, "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": ["Red Sea"]}, "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": 17.0}, "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": 39.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "39.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-04-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.35, 17.75], [38.25, 18.0], [38.35, 18.25], [38.25, 18.5], [38.47, 19.03], [38.82, 19.18], [38.97, 19.53], [39.5, 19.75], [40.03, 19.53], [40.18, 19.18], [40.53, 19.03], [40.68, 18.68], [41.03, 18.53], [41.25, 18.0], [41.03, 17.47], [40.68, 17.32], [40.65, 17.25], [40.75, 17.0], [40.65, 16.75], [40.68, 16.68], [41.03, 16.53], [41.25, 16.0], [41.03, 15.47], [40.5, 15.25], [40.25, 15.35], [40.0, 15.25], [39.75, 15.35], [39.5, 15.25], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.82, 16.32], [38.47, 16.47], [38.25, 17.0], [38.35, 17.25], [38.25, 17.5], [38.35, 17.75]]]]}, "2014-04-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.35, 17.75], [38.25, 18.0], [38.35, 18.25], [38.25, 18.5], [38.47, 19.03], [38.82, 19.18], [38.97, 19.53], [39.5, 19.75], [40.03, 19.53], [40.18, 19.18], [40.53, 19.03], [40.68, 18.68], [41.03, 18.53], [41.25, 18.0], [41.03, 17.47], [40.68, 17.32], [40.65, 17.25], [40.75, 17.0], [40.65, 16.75], [40.68, 16.68], [41.03, 16.53], [41.25, 16.0], [41.03, 15.47], [40.5, 15.25], [40.25, 15.35], [40.0, 15.25], [39.75, 15.35], [39.5, 15.25], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.82, 16.32], [38.47, 16.47], [38.25, 17.0], [38.35, 17.25], [38.25, 17.5], [38.35, 17.75]]]]}, "2014-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.35, 17.75], [38.25, 18.0], [38.35, 18.25], [38.25, 18.5], [38.47, 19.03], [38.82, 19.18], [38.97, 19.53], [39.5, 19.75], [40.03, 19.53], [40.18, 19.18], [40.53, 19.03], [40.68, 18.68], [41.03, 18.53], [41.25, 18.0], [41.03, 17.47], [40.68, 17.32], [40.65, 17.25], [40.75, 17.0], [40.65, 16.75], [40.68, 16.68], [41.03, 16.53], [41.25, 16.0], [41.03, 15.47], [40.5, 15.25], [40.25, 15.35], [40.0, 15.25], [39.75, 15.35], [39.5, 15.25], [38.97, 15.47], [38.75, 16.0], [38.85, 16.25], [38.82, 16.32], [38.47, 16.47], [38.25, 17.0], [38.35, 17.25], [38.25, 17.5], [38.35, 17.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.941713411522926}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4657287325480017}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.480414235459705, 30.000282020540396, 29.590710398960027]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.318874748045744, 30.578357606318832, 30.27494563577028]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.327335551176783, 1.769966290832282, 1.2998843556349404]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7936709268266782, 1.941713411522926, 1.5650186795298282]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4626740415375885, 1.9247021054160445, 1.4122146442698569]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6514657762976035, 2.1035331302395974, 1.6918926830267995]}}