{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:59.289611", "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": "2010-Jun-02_to_2010-Jun-08_49.0_17.5"}, "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": 2010060001449}, "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": "June 02 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 08 2010"}, "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": 111559.01972216056}, "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": 17.5}, "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": 49.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 45.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 52.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.0, 18.75], [46.53, 18.53], [46.75, 18.0], [46.53, 17.47], [46.0, 17.25], [45.47, 17.47], [45.25, 18.0], [45.47, 18.53], [46.0, 18.75]]]]}, "2010-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.25, 18.0], [45.47, 18.53], [46.0, 18.75], [46.5, 18.54], [47.0, 18.75], [47.53, 18.53], [47.75, 18.0], [47.65, 17.75], [47.68, 17.68], [48.03, 17.53], [48.25, 17.0], [48.03, 16.47], [47.5, 16.25], [47.25, 16.35], [47.0, 16.25], [46.75, 16.35], [46.5, 16.25], [45.97, 16.47], [45.75, 17.0], [45.85, 17.25], [45.82, 17.32], [45.47, 17.47], [45.25, 18.0]]]]}, "2010-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.25, 18.0], [45.47, 18.53], [46.0, 18.75], [46.5, 18.54], [47.0, 18.75], [47.53, 18.53], [47.75, 18.0], [47.65, 17.75], [47.68, 17.68], [48.03, 17.53], [48.25, 17.0], [48.03, 16.47], [47.5, 16.25], [47.25, 16.35], [47.0, 16.25], [46.75, 16.35], [46.5, 16.25], [45.97, 16.47], [45.75, 17.0], [45.85, 17.25], [45.82, 17.32], [45.47, 17.47], [45.25, 18.0]]]]}, "2010-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.97, 18.03], [46.32, 18.18], [46.35, 18.25], [46.25, 18.5], [46.47, 19.03], [47.0, 19.25], [47.53, 19.03], [47.68, 18.68], [48.0, 18.54], [48.38, 18.7], [48.25, 19.0], [48.47, 19.53], [49.0, 19.75], [49.25, 19.65], [49.5, 19.75], [50.03, 19.53], [50.2, 19.13], [50.5, 19.25], [50.75, 19.15], [50.82, 19.18], [50.97, 19.53], [51.5, 19.75], [52.03, 19.53], [52.25, 19.0], [52.15, 18.75], [52.25, 18.5], [52.03, 17.97], [51.5, 17.75], [51.25, 17.85], [51.18, 17.82], [51.03, 17.47], [50.68, 17.32], [50.53, 16.97], [50.0, 16.75], [49.75, 16.85], [49.5, 16.75], [49.25, 16.85], [49.0, 16.75], [48.75, 16.85], [48.5, 16.75], [48.25, 16.85], [48.18, 16.82], [48.03, 16.47], [47.5, 16.25], [47.25, 16.35], [47.0, 16.25], [46.75, 16.35], [46.5, 16.25], [45.97, 16.47], [45.75, 17.0], [45.85, 17.25], [45.75, 17.5], [45.97, 18.03]], [[49.82, 18.18], [49.85, 18.25], [49.8, 18.38], [49.63, 18.3], [49.68, 18.18], [49.75, 18.15], [49.82, 18.18]]]]}, "2010-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.47, 19.03], [47.0, 19.25], [47.25, 19.15], [47.38, 19.2], [47.32, 19.32], [46.97, 19.47], [46.75, 20.0], [46.97, 20.53], [47.5, 20.75], [47.75, 20.65], [48.0, 20.75], [48.53, 20.53], [48.68, 20.18], [49.03, 20.03], [49.18, 19.68], [49.25, 19.65], [49.5, 19.75], [50.0, 19.54], [50.5, 19.75], [50.75, 19.65], [51.0, 19.75], [51.25, 19.65], [51.5, 19.75], [52.03, 19.53], [52.25, 19.0], [52.15, 18.75], [52.18, 18.68], [52.53, 18.53], [52.75, 18.0], [52.53, 17.47], [52.0, 17.25], [51.47, 17.47], [51.32, 17.82], [51.25, 17.85], [51.18, 17.82], [51.03, 17.47], [50.68, 17.32], [50.53, 16.97], [50.18, 16.82], [50.03, 16.47], [49.5, 16.25], [48.97, 16.47], [48.82, 16.82], [48.75, 16.85], [48.5, 16.75], [48.25, 16.85], [48.0, 16.75], [47.47, 16.97], [47.32, 17.32], [47.25, 17.35], [47.0, 17.25], [46.47, 17.47], [46.25, 18.0], [46.35, 18.25], [46.25, 18.5], [46.47, 19.03]]]]}, "2010-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.25, 18.5], [46.47, 19.03], [47.0, 19.25], [47.25, 19.15], [47.38, 19.2], [47.32, 19.32], [46.97, 19.47], [46.75, 20.0], [46.97, 20.53], [47.5, 20.75], [47.75, 20.65], [48.0, 20.75], [48.53, 20.53], [48.68, 20.18], [49.03, 20.03], [49.18, 19.68], [49.25, 19.65], [49.5, 19.75], [50.0, 19.54], [50.5, 19.75], [50.75, 19.65], [51.0, 19.75], [51.25, 19.65], [51.5, 19.75], [52.03, 19.53], [52.25, 19.0], [52.15, 18.75], [52.18, 18.68], [52.53, 18.53], [52.75, 18.0], [52.53, 17.47], [52.0, 17.25], [51.47, 17.47], [51.32, 17.82], [51.25, 17.85], [51.18, 17.82], [51.03, 17.47], [50.68, 17.32], [50.53, 16.97], [50.18, 16.82], [50.03, 16.47], [49.5, 16.25], [48.97, 16.47], [48.82, 16.82], [48.75, 16.85], [48.5, 16.75], [48.25, 16.85], [48.0, 16.75], [47.47, 16.97], [47.32, 17.32], [46.97, 17.47], [46.82, 17.82], [46.47, 17.97], [46.25, 18.5]]]]}, "2010-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.25, 18.5], [46.47, 19.03], [47.0, 19.25], [47.25, 19.15], [47.38, 19.2], [47.32, 19.32], [46.97, 19.47], [46.75, 20.0], [46.97, 20.53], [47.5, 20.75], [47.75, 20.65], [48.0, 20.75], [48.53, 20.53], [48.68, 20.18], [49.03, 20.03], [49.18, 19.68], [49.53, 19.53], [49.75, 19.0], [49.97, 19.53], [50.5, 19.75], [50.75, 19.65], [51.0, 19.75], [51.53, 19.53], [51.75, 19.0], [51.57, 18.57], [52.0, 18.75], [52.53, 18.53], [52.75, 18.0], [52.53, 17.47], [52.0, 17.25], [51.47, 17.47], [51.25, 18.0], [51.03, 17.47], [50.68, 17.32], [50.53, 16.97], [50.18, 16.82], [50.03, 16.47], [49.5, 16.25], [48.97, 16.47], [48.82, 16.82], [48.75, 16.85], [48.5, 16.75], [48.25, 16.85], [48.0, 16.75], [47.47, 16.97], [47.32, 17.32], [46.97, 17.47], [46.82, 17.82], [46.47, 17.97], [46.25, 18.5]], [[49.65, 18.75], [49.68, 18.68], [49.75, 18.65], [49.82, 18.68], [49.85, 18.75], [49.75, 19.0], [49.65, 18.75]], [[51.43, 18.43], [51.18, 18.32], [51.15, 18.25], [51.25, 18.0], [51.43, 18.43]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.3921902603362355}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1165232392161024}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.677068805202225, 35.35772129277029, 35.24275689501218, 36.316353707557596, 36.96946392663227, 37.45324876464673, 37.01484606134812]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.677068805202225, 36.241880353869135, 35.90046842700218, 37.99404303975689, 38.16148605349002, 38.56989170711455, 37.888059129239025]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.673567429777961, 2.2409455763881283, 2.101052577611345, 1.9443417642479026, 2.04630655319653, 2.446311197552549, 1.9495526382518102]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.673567429777961, 2.3862552579430485, 2.7174693666761414, 2.2541522823573814, 2.548288191473432, 3.3921902603362355, 2.601393121418596]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2857305876976943, 1.6448103707388475, 1.5304049642257855, 1.3537747900863915, 1.4360455217904882, 1.7362506836986666, 1.4516028321003729]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2857305876976943, 1.7430380695235248, 1.867781412474333, 1.5471459515084283, 1.7642783025433735, 2.2433206577587184, 2.0110884744105135]}}