{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:27.971818", "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": "2016-May-03_to_2016-May-07_47.0_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": 2016050001181}, "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 03 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 07 2016"}, "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": 59139.74112122259}, "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": ["Saudi Arabia", "Yemen"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 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": 47.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "47.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 51.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 16.5], [45.85, 16.75], [45.75, 17.0], [45.97, 17.53], 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16.0], [48.03, 15.47], [47.5, 15.25], [47.25, 15.35], [47.18, 15.32], [47.03, 14.97], [46.5, 14.75], [45.97, 14.97], [45.75, 15.5], [45.85, 15.75], [45.75, 16.0], [45.85, 16.25], [45.75, 16.5]]], [[[49.47, 18.53], [50.0, 18.75], [50.25, 18.65], [50.5, 18.75], [51.03, 18.53], [51.18, 18.18], [51.53, 18.03], [51.75, 17.5], [51.53, 16.97], [51.0, 16.75], [50.75, 16.85], [50.5, 16.75], [50.25, 16.85], [50.18, 16.82], [50.03, 16.47], [49.5, 16.25], [49.25, 16.35], [49.0, 16.25], [48.47, 16.47], [48.25, 17.0], [48.47, 17.53], [48.82, 17.68], [48.97, 18.03], [49.32, 18.18], [49.47, 18.53]]]]}, "2016-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.85, 16.25], [45.75, 16.5], [45.85, 16.75], [45.75, 17.0], [45.97, 17.53], [46.5, 17.75], [46.75, 17.65], [47.0, 17.75], [47.25, 17.65], [47.5, 17.75], [47.75, 17.65], [47.82, 17.68], [47.97, 18.03], [48.5, 18.25], [49.0, 18.04], [49.32, 18.18], [49.47, 18.53], [50.0, 18.75], [50.25, 18.65], [50.5, 18.75], [51.03, 18.53], 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"value": [34.24322166321991, 34.699075171061565, 35.089183627058844, 34.690906606115846, 34.64617776505406]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7540730626451833, 1.7784303821207592, 1.7250214283930803, 1.5207826518216279, 1.634354875967503]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.188209210898549, 2.095739191933319, 2.0772944493434693, 1.6393879939915905, 1.7259518802375737]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4332030325181617, 1.4627394157437932, 1.4392923233184993, 1.2472139598518592, 1.461873579626509]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7123051580918092, 1.9162556493286764, 1.7685057933414225, 1.3474036850234825, 1.5639589727982592]}}