{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:55.700709", "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-Jul-19_to_2016-Jul-24_37.0_25.0"}, "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": 2016070002526}, "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": "July 19 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 24 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 59345.71937236498}, "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"]}, "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": ["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": ["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": 25.0}, "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": 37.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 38.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.5, 24.25], [37.03, 24.03], [37.25, 23.5], [37.03, 22.97], [36.5, 22.75], [35.97, 22.97], [35.75, 23.5], [35.97, 24.03], [36.5, 24.25]]]]}, "2016-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.85, 24.25], [35.75, 24.5], [35.97, 25.03], [36.32, 25.18], [36.47, 25.53], [37.0, 25.75], [37.53, 25.53], [37.75, 25.0], [37.65, 24.75], [37.75, 24.5], [37.65, 24.25], [37.68, 24.18], [38.03, 24.03], [38.25, 23.5], [38.15, 23.25], [38.25, 23.0], [38.03, 22.47], [37.5, 22.25], [37.25, 22.35], [37.0, 22.25], [36.47, 22.47], [36.32, 22.82], [35.97, 22.97], [35.75, 23.5], [35.85, 23.75], [35.75, 24.0], [35.85, 24.25]]]]}, "2016-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.75, 24.0], [35.85, 24.25], [35.75, 24.5], [35.85, 24.75], [35.75, 25.0], [35.85, 25.25], [35.75, 25.5], [35.97, 26.03], [36.5, 26.25], [36.75, 26.15], [37.0, 26.25], [37.53, 26.03], [37.75, 25.5], [37.65, 25.25], [37.75, 25.0], [37.65, 24.75], [37.68, 24.68], [38.03, 24.53], [38.18, 24.18], [38.53, 24.03], [38.75, 23.5], [38.65, 23.25], [38.68, 23.18], [39.03, 23.03], [39.25, 22.5], [39.03, 21.97], [38.5, 21.75], [38.25, 21.85], [38.0, 21.75], [37.75, 21.85], [37.5, 21.75], [36.97, 21.97], [36.82, 22.32], [36.5, 22.46], [36.0, 22.25], [35.47, 22.47], [35.25, 23.0], [35.47, 23.53], [35.82, 23.68], [35.85, 23.75], [35.75, 24.0]]]]}, "2016-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.75, 24.0], [35.85, 24.25], [35.75, 24.5], [35.85, 24.75], [35.75, 25.0], [35.85, 25.25], [35.82, 25.32], [35.47, 25.47], [35.25, 26.0], [35.47, 26.53], [36.0, 26.75], [36.53, 26.53], [36.68, 26.18], [36.75, 26.15], [37.0, 26.25], [37.53, 26.03], [37.75, 25.5], [37.65, 25.25], [37.75, 25.0], [37.65, 24.75], [37.68, 24.68], [38.03, 24.53], [38.18, 24.18], [38.53, 24.03], [38.75, 23.5], [38.65, 23.25], [38.68, 23.18], [39.03, 23.03], [39.25, 22.5], [39.03, 21.97], [38.5, 21.75], [38.25, 21.85], [38.0, 21.75], [37.75, 21.85], [37.5, 21.75], [36.97, 21.97], [36.82, 22.32], [36.5, 22.46], [36.0, 22.25], [35.47, 22.47], [35.25, 23.0], [35.47, 23.53], [35.82, 23.68], [35.85, 23.75], [35.75, 24.0]]]]}, "2016-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.25, 26.0], [35.47, 26.53], [36.0, 26.75], [36.53, 26.53], [36.68, 26.18], [36.75, 26.15], [37.0, 26.25], [37.53, 26.03], [37.75, 25.5], [37.65, 25.25], [37.75, 25.0], [37.65, 24.75], [37.68, 24.68], [38.03, 24.53], [38.18, 24.18], [38.53, 24.03], [38.75, 23.5], [38.65, 23.25], [38.68, 23.18], [39.03, 23.03], [39.25, 22.5], [39.03, 21.97], [38.5, 21.75], [38.25, 21.85], [38.0, 21.75], [37.75, 21.85], [37.5, 21.75], [36.97, 21.97], [36.82, 22.32], [36.5, 22.46], [36.0, 22.25], [35.47, 22.47], [35.25, 23.0], [35.47, 23.53], [35.88, 23.7], [35.75, 24.0], [35.85, 24.25], [35.75, 24.5], [35.85, 24.75], [35.75, 25.0], [35.85, 25.25], [35.82, 25.32], [35.47, 25.47], [35.25, 26.0]]]]}, "2016-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.0, 26.75], [36.53, 26.53], [36.75, 26.0], [36.53, 25.47], [36.0, 25.25], [35.47, 25.47], [35.25, 26.0], [35.47, 26.53], [36.0, 26.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.017966806144102}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2375422501778195}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.466197469173323, 31.441881875856723, 31.576416543597077, 31.958159136319352, 31.69621822251736, 30.96093286844888]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.466197469173323, 31.739184836292964, 32.31643583177146, 32.954284583400806, 32.69897510306845, 30.96093286844888]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.099729466221845, 1.138659402063638, 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