{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:55.875634", "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": "2024-May-10_to_2024-May-13_42.0_25.5"}, "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": 2024050001281}, "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 10 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 13 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 94271.56963652898}, "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"]}, "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": 25.5}, "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": 42.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 44.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 28.03], [40.0, 28.25], [40.25, 28.15], [40.32, 28.18], [40.47, 28.53], [41.0, 28.75], [41.53, 28.53], [41.68, 28.18], [42.03, 28.03], [42.25, 27.5], [42.15, 27.25], [42.18, 27.18], [42.53, 27.03], [42.75, 26.5], [42.65, 26.25], [42.75, 26.0], [42.65, 25.75], [42.75, 25.5], [42.53, 24.97], [42.0, 24.75], [41.75, 24.85], [41.5, 24.75], [41.25, 24.85], [41.0, 24.75], [40.47, 24.97], [40.25, 25.5], [40.35, 25.75], [40.32, 25.82], [39.97, 25.97], [39.82, 26.32], [39.47, 26.47], [39.25, 27.0], [39.35, 27.25], [39.25, 27.5], [39.47, 28.03]]]]}, "2024-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 28.03], [40.0, 28.25], [40.25, 28.15], [40.32, 28.18], [40.47, 28.53], [41.0, 28.75], [41.53, 28.53], [41.68, 28.18], [42.03, 28.03], [42.25, 27.5], [42.15, 27.25], [42.18, 27.18], [42.5, 27.04], [43.0, 27.25], [43.25, 27.15], [43.5, 27.25], [43.75, 27.15], [44.0, 27.25], [44.25, 27.15], [44.5, 27.25], [45.03, 27.03], [45.25, 26.5], [45.03, 25.97], [44.5, 25.75], [44.25, 25.85], [44.18, 25.82], [44.15, 25.75], [44.25, 25.5], [44.03, 24.97], [43.68, 24.82], [43.53, 24.47], [43.0, 24.25], [42.75, 24.35], [42.68, 24.32], [42.53, 23.97], [42.0, 23.75], [41.47, 23.97], [41.32, 24.32], [40.97, 24.47], [40.82, 24.82], [40.47, 24.97], [40.25, 25.5], [40.35, 25.75], [40.32, 25.82], [39.97, 25.97], [39.82, 26.32], [39.47, 26.47], [39.25, 27.0], [39.35, 27.25], [39.25, 27.5], [39.47, 28.03]]]]}, "2024-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, 28.03], [40.0, 28.25], [40.25, 28.15], [40.32, 28.18], [40.47, 28.53], [41.0, 28.75], [41.53, 28.53], [41.68, 28.18], [42.03, 28.03], [42.25, 27.5], [42.15, 27.25], [42.18, 27.18], [42.5, 27.04], [43.0, 27.25], [43.25, 27.15], [43.5, 27.25], [43.75, 27.15], [44.0, 27.25], [44.25, 27.15], [44.5, 27.25], [45.03, 27.03], [45.25, 26.5], [45.03, 25.97], [44.5, 25.75], [44.25, 25.85], [44.18, 25.82], [44.15, 25.75], [44.25, 25.5], [44.03, 24.97], [43.68, 24.82], [43.53, 24.47], [43.0, 24.25], [42.75, 24.35], [42.68, 24.32], [42.53, 23.97], [42.0, 23.75], [41.47, 23.97], [41.32, 24.32], [40.97, 24.47], [40.82, 24.82], [40.47, 24.97], [40.25, 25.5], [40.35, 25.75], [40.32, 25.82], [39.97, 25.97], [39.82, 26.32], [39.47, 26.47], [39.25, 27.0], [39.35, 27.25], [39.25, 27.5], [39.47, 28.03]]]]}, "2024-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.25, 25.5], [40.47, 26.03], [41.0, 26.25], [41.25, 26.15], [41.32, 26.18], [41.47, 26.53], [42.0, 26.75], [42.25, 26.65], [42.32, 26.68], [42.47, 27.03], [43.0, 27.25], [43.25, 27.15], [43.5, 27.25], [43.75, 27.15], [44.0, 27.25], [44.25, 27.15], [44.5, 27.25], [45.03, 27.03], [45.25, 26.5], [45.03, 25.97], [44.5, 25.75], [44.25, 25.85], [44.18, 25.82], [44.15, 25.75], [44.25, 25.5], [44.03, 24.97], [43.68, 24.82], [43.53, 24.47], [43.0, 24.25], [42.75, 24.35], [42.68, 24.32], [42.53, 23.97], [42.0, 23.75], [41.47, 23.97], [41.32, 24.32], [40.97, 24.47], [40.82, 24.82], [40.47, 24.97], [40.25, 25.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.635768857660594}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6217189073756506}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.92188965999577, 32.64288009027945, 33.31508358669913, 34.097992930492524]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.36866742908393, 34.564594329349234, 35.195030393739216, 35.292528813717695]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.1913913888392536, 3.575443933905197, 4.060052748454238, 3.350467399665912]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.8807201735712624, 4.5766501099761285, 4.635768857660594, 4.038727709238856]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3224896063802367, 1.5398402582079924, 1.7992409673258314, 1.5652969305550877]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4937331377364578, 1.863761656050116, 2.04117862752002, 1.8680070010093361]}}