{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:56.104526", "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": "2015-Apr-28_to_2015-May-04_42.5_26.0"}, "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": 2015040002730}, "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 28 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 04 2015"}, "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": 488619.9910733617}, "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": ["Iraq", "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": 26.0}, "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": 42.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.75}, "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": 29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.0, 26.25], [39.43, 26.07], [39.25, 26.5], [39.47, 27.03], [40.0, 27.25], [40.25, 27.15], [40.32, 27.18], [40.47, 27.53], [41.0, 27.75], [41.25, 27.65], [41.5, 27.75], [41.75, 27.65], [41.82, 27.68], [41.96, 28.0], [41.75, 28.5], [41.97, 29.03], [42.5, 29.25], [43.03, 29.03], [43.18, 28.68], [43.25, 28.65], [43.5, 28.75], [44.03, 28.53], [44.25, 28.0], [44.15, 27.75], [44.25, 27.5], [44.15, 27.25], [44.25, 27.0], [44.15, 26.75], [44.18, 26.68], [44.53, 26.53], [44.75, 26.0], [44.53, 25.47], [44.0, 25.25], [43.75, 25.35], [43.68, 25.32], [43.53, 24.97], [43.0, 24.75], [42.7, 24.88], [42.53, 24.47], [42.18, 24.32], [42.03, 23.97], [41.5, 23.75], [41.25, 23.85], [41.0, 23.75], [41.53, 23.53], [41.75, 23.0], [41.53, 22.47], [41.18, 22.32], [41.03, 21.97], [40.5, 21.75], [39.97, 21.97], [39.75, 22.5], [39.85, 22.75], [39.8, 22.88], [39.5, 22.75], [38.97, 22.97], [38.75, 23.5], [38.88, 23.8], [38.47, 23.97], [38.25, 24.5], [38.46, 25.0], [38.25, 25.5], [38.47, 26.03], [39.0, 26.25]], [[40.47, 23.97], [40.25, 24.5], [40.35, 24.75], [40.25, 25.0], [40.35, 25.25], [40.25, 25.5], [40.38, 25.8], [40.25, 25.85], [40.0, 25.75], [39.57, 25.93], [39.75, 25.5], [39.54, 25.0], [39.75, 24.5], [39.63, 24.2], [40.03, 24.03], [40.2, 23.63], [40.5, 23.75], [40.75, 23.65], [41.0, 23.75], [40.47, 23.97]], [[41.18, 26.32], [41.13, 26.2], [41.25, 26.15], [41.32, 26.18], [41.38, 26.3], [41.25, 26.35], [41.18, 26.32]]], [[[35.97, 27.47], [35.75, 28.0], [35.97, 28.53], [36.5, 28.75], [37.03, 28.53], [37.25, 28.0], [37.03, 27.47], [36.5, 27.25], [35.97, 27.47]]]]}, "2015-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.75, 28.0], [35.97, 28.53], [36.5, 28.75], [37.03, 28.53], [37.18, 28.18], [37.53, 28.03], [37.75, 27.5], [37.65, 27.25], [37.68, 27.18], [37.75, 27.15], [38.0, 27.25], [38.53, 27.03], [38.68, 26.68], [38.75, 26.65], [38.82, 26.68], [38.97, 27.03], [39.32, 27.18], [39.47, 27.53], [40.0, 27.75], [40.25, 27.65], [40.5, 27.75], [40.75, 27.65], [40.82, 27.68], [40.97, 28.03], [41.32, 28.18], [41.35, 28.25], [41.25, 28.5], [41.47, 29.03], [42.0, 29.25], [42.25, 29.15], [42.5, 29.25], [43.03, 29.03], [43.18, 28.68], [43.25, 28.65], [43.5, 28.75], [44.03, 28.53], [44.25, 28.0], [44.15, 27.75], [44.25, 27.5], [44.15, 27.25], [44.25, 27.0], [44.15, 26.75], [44.18, 26.68], [44.53, 26.53], [44.7, 26.13], [44.82, 26.18], [44.97, 26.53], [45.5, 26.75], [46.03, 26.53], [46.25, 26.0], [46.03, 25.47], [45.68, 25.32], [45.53, 24.97], [45.18, 24.82], [45.03, 24.47], [44.5, 24.25], [44.0, 24.46], [43.5, 24.25], [43.25, 24.35], [43.0, 24.25], [42.75, 24.35], [42.68, 24.32], [42.65, 24.25], [42.75, 24.0], [42.65, 23.75], [42.75, 23.5], [42.53, 22.97], [42.0, 22.75], [41.75, 22.85], [41.68, 22.82], [41.53, 22.47], [41.18, 22.32], [41.03, 21.97], [40.5, 21.75], [39.97, 21.97], [39.82, 22.32], [39.47, 22.47], [39.32, 22.82], [38.97, 22.97], [38.82, 23.32], [38.47, 23.47], [38.32, 23.82], [38.25, 23.85], [38.0, 23.75], [37.47, 23.97], [37.32, 24.32], [36.97, 24.47], [36.75, 25.0], [36.85, 25.25], [36.82, 25.32], [36.47, 25.47], [36.25, 26.0], [36.35, 26.25], [36.25, 26.5], [36.35, 26.75], [36.25, 27.0], [36.35, 27.25], [36.32, 27.32], [35.97, 27.47], [35.75, 28.0]]]]}, "2015-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.75, 28.0], [35.97, 28.53], [36.5, 28.75], [37.03, 28.53], [37.18, 28.18], [37.53, 28.03], [37.75, 27.5], [37.65, 27.25], [37.68, 27.18], [37.75, 27.15], [38.0, 27.25], [38.53, 27.03], [38.68, 26.68], [38.75, 26.65], [38.82, 26.68], [38.97, 27.03], [39.32, 27.18], [39.47, 27.53], [40.0, 27.75], [40.25, 27.65], [40.5, 27.75], [40.75, 27.65], [40.82, 27.68], [40.97, 28.03], [41.32, 28.18], [41.35, 28.25], [41.25, 28.5], [41.47, 29.03], [41.82, 29.18], [41.97, 29.53], [42.32, 29.68], [42.47, 30.03], [43.0, 30.25], [43.25, 30.15], [43.5, 30.25], [43.75, 30.15], [44.0, 30.25], [44.25, 30.15], [44.5, 30.25], [44.75, 30.15], [45.0, 30.25], [45.53, 30.03], [45.75, 29.5], [45.65, 29.25], [45.75, 29.0], [45.65, 28.75], [45.68, 28.68], [46.03, 28.53], [46.25, 28.0], [46.04, 27.5], [46.18, 27.18], [46.53, 27.03], [46.68, 26.68], [47.03, 26.53], [47.25, 26.0], [47.03, 25.47], [46.5, 25.25], [46.25, 25.35], [46.18, 25.32], [46.15, 25.25], [46.25, 25.0], [46.03, 24.47], [45.68, 24.32], [45.65, 24.25], [45.75, 24.0], [45.53, 23.47], [45.0, 23.25], [44.47, 23.47], [44.32, 23.82], [43.97, 23.97], [43.8, 24.38], [43.5, 24.25], [43.25, 24.35], [43.18, 24.32], [43.03, 23.97], [42.68, 23.82], [42.65, 23.75], [42.75, 23.5], [42.53, 22.97], [42.0, 22.75], [41.75, 22.85], [41.68, 22.82], [41.53, 22.47], [41.18, 22.32], [41.03, 21.97], [40.5, 21.75], [39.97, 21.97], [39.82, 22.32], [39.47, 22.47], [39.32, 22.82], [38.97, 22.97], [38.82, 23.32], [38.47, 23.47], [38.32, 23.82], [38.25, 23.85], [38.0, 23.75], [37.47, 23.97], [37.32, 24.32], [36.97, 24.47], [36.75, 25.0], [36.85, 25.25], [36.82, 25.32], [36.47, 25.47], [36.25, 26.0], [36.35, 26.25], [36.25, 26.5], [36.35, 26.75], [36.25, 27.0], [36.35, 27.25], [36.32, 27.32], [35.97, 27.47], [35.75, 28.0]]]]}, "2015-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.35, 26.75], [36.25, 27.0], [36.35, 27.25], [36.25, 27.5], [36.47, 28.03], [37.0, 28.25], [37.53, 28.03], [37.75, 27.5], [37.65, 27.25], [37.68, 27.18], [37.75, 27.15], [38.0, 27.25], [38.53, 27.03], [38.68, 26.68], [38.75, 26.65], [38.82, 26.68], [38.97, 27.03], [39.32, 27.18], [39.47, 27.53], [40.0, 27.75], [40.25, 27.65], [40.5, 27.75], [40.75, 27.65], [40.82, 27.68], [40.97, 28.03], [41.32, 28.18], [41.35, 28.25], [41.25, 28.5], [41.47, 29.03], [41.82, 29.18], [41.97, 29.53], [42.32, 29.68], [42.47, 30.03], [43.0, 30.25], [43.25, 30.15], [43.5, 30.25], [43.75, 30.15], [44.0, 30.25], [44.25, 30.15], [44.5, 30.25], [44.75, 30.15], [45.0, 30.25], [45.53, 30.03], [45.75, 29.5], [45.65, 29.25], [45.68, 29.18], [45.75, 29.15], [46.0, 29.25], [46.25, 29.15], [46.5, 29.25], [46.75, 29.15], [47.0, 29.25], [47.53, 29.03], [47.75, 28.5], [47.53, 27.97], [47.0, 27.75], [46.75, 27.85], [46.68, 27.82], [46.65, 27.75], [46.75, 27.5], [46.54, 27.0], [46.68, 26.68], [47.03, 26.53], [47.25, 26.0], [47.13, 25.7], [47.25, 25.65], [47.5, 25.75], [47.75, 25.65], [48.0, 25.75], [48.25, 25.65], [48.5, 25.75], [49.03, 25.53], [49.25, 25.0], [49.15, 24.75], [49.25, 24.5], [49.03, 23.97], [48.68, 23.82], [48.53, 23.47], [48.0, 23.25], [47.75, 23.35], [47.5, 23.25], [47.25, 23.35], [47.0, 23.25], [46.75, 23.35], [46.5, 23.25], [45.97, 23.47], [45.8, 23.88], [45.68, 23.82], [45.53, 23.47], [45.0, 23.25], [44.75, 23.35], [44.5, 23.25], [43.97, 23.47], [43.82, 23.82], [43.75, 23.85], [43.5, 23.75], [43.0, 23.96], [42.68, 23.82], [42.65, 23.75], [42.75, 23.5], [42.53, 22.97], [42.0, 22.75], [41.75, 22.85], [41.5, 22.75], [41.25, 22.85], [41.18, 22.82], [41.03, 22.47], [40.5, 22.25], [40.25, 22.35], [40.0, 22.25], [39.47, 22.47], [39.25, 23.0], [39.35, 23.25], [39.32, 23.32], [39.25, 23.35], [39.0, 23.25], [38.47, 23.47], [38.32, 23.82], [38.25, 23.85], [38.0, 23.75], [37.47, 23.97], [37.32, 24.32], [36.97, 24.47], [36.75, 25.0], [36.85, 25.25], [36.82, 25.32], [36.47, 25.47], [36.25, 26.0], [36.35, 26.25], [36.25, 26.5], [36.35, 26.75]]]]}, "2015-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 27.03], [37.0, 27.25], [37.25, 27.15], [37.5, 27.25], [37.75, 27.15], [38.0, 27.25], [38.53, 27.03], [38.68, 26.68], [38.75, 26.65], [38.82, 26.68], [38.97, 27.03], [39.32, 27.18], [39.47, 27.53], [40.0, 27.75], [40.25, 27.65], [40.5, 27.75], [40.75, 27.65], [40.82, 27.68], [40.97, 28.03], [41.32, 28.18], [41.35, 28.25], [41.25, 28.5], [41.47, 29.03], [41.82, 29.18], [41.97, 29.53], [42.32, 29.68], [42.47, 30.03], [43.0, 30.25], [43.25, 30.15], [43.5, 30.25], [43.75, 30.15], [44.0, 30.25], [44.25, 30.15], [44.5, 30.25], [44.75, 30.15], [45.0, 30.25], [45.53, 30.03], [45.75, 29.5], [45.65, 29.25], [45.68, 29.18], [45.75, 29.15], [46.0, 29.25], [46.25, 29.15], [46.5, 29.25], [46.75, 29.15], [47.0, 29.25], [47.53, 29.03], [47.75, 28.5], [47.53, 27.97], [47.0, 27.75], [46.75, 27.85], [46.68, 27.82], [46.65, 27.75], [46.75, 27.5], [46.54, 27.0], [46.68, 26.68], [47.03, 26.53], [47.25, 26.0], [47.13, 25.7], [47.25, 25.65], [47.5, 25.75], [47.75, 25.65], [48.0, 25.75], [48.25, 25.65], [48.5, 25.75], [49.03, 25.53], [49.25, 25.0], [49.15, 24.75], [49.25, 24.5], [49.03, 23.97], [48.68, 23.82], [48.53, 23.47], [48.0, 23.25], [47.75, 23.35], [47.5, 23.25], [47.25, 23.35], [47.0, 23.25], [46.75, 23.35], [46.5, 23.25], [45.97, 23.47], [45.8, 23.88], [45.68, 23.82], [45.53, 23.47], [45.0, 23.25], [44.75, 23.35], [44.5, 23.25], [43.97, 23.47], [43.82, 23.82], [43.75, 23.85], [43.5, 23.75], [43.0, 23.96], [42.5, 23.75], [42.25, 23.85], [42.18, 23.82], [42.03, 23.47], [41.5, 23.25], [41.25, 23.35], [41.0, 23.25], [40.47, 23.47], [40.32, 23.82], [40.25, 23.85], [40.0, 23.75], [39.5, 23.96], [39.0, 23.75], [38.47, 23.97], [38.32, 24.32], [38.25, 24.35], [38.0, 24.25], [37.47, 24.47], [37.32, 24.82], [36.97, 24.97], [36.82, 25.32], [36.47, 25.47], [36.25, 26.0], [36.35, 26.25], [36.25, 26.5], [36.47, 27.03]]]]}, "2015-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.97, 27.03], [40.5, 27.25], [40.75, 27.15], [41.0, 27.25], [41.25, 27.15], [41.32, 27.18], [41.35, 27.25], [41.25, 27.5], [41.35, 27.75], [41.25, 28.0], [41.35, 28.25], [41.25, 28.5], [41.47, 29.03], [42.0, 29.25], [42.25, 29.15], [42.5, 29.25], [42.75, 29.15], [43.0, 29.25], [43.25, 29.15], [43.5, 29.25], [43.75, 29.15], [44.0, 29.25], [44.25, 29.15], [44.5, 29.25], [44.75, 29.15], [45.0, 29.25], [45.25, 29.15], [45.5, 29.25], [45.75, 29.15], [46.0, 29.25], [46.25, 29.15], [46.5, 29.25], [46.75, 29.15], [47.0, 29.25], [47.53, 29.03], [47.75, 28.5], [47.53, 27.97], [47.0, 27.75], [46.75, 27.85], [46.68, 27.82], [46.65, 27.75], [46.75, 27.5], [46.53, 26.97], [46.18, 26.82], [46.03, 26.47], [45.68, 26.32], [45.63, 26.2], [45.75, 26.15], [46.0, 26.25], [46.53, 26.03], [46.68, 25.68], [46.75, 25.65], [47.0, 25.75], [47.25, 25.65], [47.5, 25.75], [47.75, 25.65], [48.0, 25.75], [48.25, 25.65], [48.5, 25.75], [49.03, 25.53], [49.25, 25.0], [49.15, 24.75], [49.25, 24.5], [49.03, 23.97], [48.68, 23.82], [48.53, 23.47], [48.0, 23.25], [47.75, 23.35], [47.5, 23.25], [47.25, 23.35], [47.0, 23.25], [46.75, 23.35], [46.5, 23.25], [45.97, 23.47], [45.8, 23.88], [45.68, 23.82], [45.53, 23.47], [45.0, 23.25], [44.75, 23.35], [44.5, 23.25], [43.97, 23.47], [43.82, 23.82], [43.75, 23.85], [43.5, 23.75], [42.97, 23.97], [42.82, 24.32], [42.7, 24.38], [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], [40.32, 25.32], [39.97, 25.47], [39.75, 26.0], [39.85, 26.25], [39.75, 26.5], [39.97, 27.03]]]]}, "2015-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.47, 26.53], [44.0, 26.75], [44.25, 26.65], [44.5, 26.75], [45.03, 26.53], [45.25, 26.0], [45.03, 25.47], [44.68, 25.32], [44.53, 24.97], [44.0, 24.75], [43.47, 24.97], [43.25, 25.5], [43.35, 25.75], [43.25, 26.0], [43.47, 26.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.939821619258225}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.316794871434119}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.652079248553946, 31.21709519548199, 31.935389808618083, 32.548927400108084, 32.827072961387444, 32.67053581615431, 32.66348080411183]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.2991955671946, 33.89220494513398, 34.447141334421474, 35.22587219882746, 35.2301802138752, 35.23464778503558, 32.8067621934735]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.835330337341726, 4.034565068237815, 4.4094791926894485, 4.505632874239876, 4.567097031025315, 3.9495824474253576, 3.4173298105384524]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.530041437445789, 5.057594575905, 5.722268800031145, 6.939821619258225, 6.37181352256016, 5.157744690343122, 3.5799871687310088]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3046335684768422, 1.495985375939271, 1.6288223307226595, 1.6900276676807489, 1.7307425704589807, 1.4823949781382537, 1.2375305707407465]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5037146196606739, 1.9602090800838894, 2.416613146732991, 2.5254918314254886, 2.2584434653135794, 1.8587998456444244, 1.3256117672457126]}}