{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:18:59.034086", "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": "2020-Feb-16_to_2020-Feb-25_53.0_30.0"}, "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": 2020020001848}, "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": "February 16 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 25 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 246123.5726363799}, "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": ["Iran", "Iraq"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "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": 30.0}, "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": 53.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "53.0\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": 56.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.5, 33.75], [51.03, 33.53], [51.18, 33.18], [51.53, 33.03], [51.75, 32.5], [51.65, 32.25], [51.68, 32.18], [52.03, 32.03], [52.25, 31.5], [52.13, 31.2], [52.53, 31.03], [52.68, 30.68], [52.75, 30.65], [53.0, 30.75], [53.53, 30.53], [53.75, 30.0], [53.53, 29.47], [53.0, 29.25], [52.75, 29.35], [52.5, 29.25], [51.97, 29.47], [51.82, 29.82], [51.47, 29.97], [51.25, 30.5], [51.38, 30.8], [51.25, 30.85], [51.0, 30.75], [50.47, 30.97], [50.25, 31.5], [50.35, 31.75], [50.32, 31.82], [49.97, 31.97], [49.75, 32.5], [49.85, 32.75], [49.75, 33.0], [49.97, 33.53], [50.5, 33.75]]], [[[47.25, 33.0], [47.47, 33.53], [48.0, 33.75], [48.25, 33.65], [48.5, 33.75], [49.03, 33.53], [49.25, 33.0], [49.03, 32.47], [48.5, 32.25], [48.25, 32.35], [48.0, 32.25], [47.47, 32.47], [47.25, 33.0]]]]}, "2020-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.35, 33.25], [45.25, 33.5], [45.47, 34.03], [46.0, 34.25], [46.53, 34.03], [46.68, 33.68], [46.75, 33.65], [47.0, 33.75], [47.25, 33.65], [47.5, 33.75], [47.75, 33.65], [48.0, 33.75], [48.25, 33.65], [48.5, 33.75], [49.03, 33.53], [49.18, 33.18], [49.53, 33.03], [49.68, 32.68], [49.8, 32.63], [49.85, 32.75], [49.75, 33.0], [49.97, 33.53], [50.5, 33.75], [50.75, 33.65], [51.0, 33.75], [51.53, 33.53], [51.75, 33.0], [51.65, 32.75], [51.75, 32.5], [51.65, 32.25], [51.68, 32.18], [52.03, 32.03], [52.25, 31.5], [52.13, 31.2], [52.53, 31.03], [52.68, 30.68], [52.75, 30.65], [53.0, 30.75], [53.53, 30.53], [53.75, 30.0], [53.53, 29.47], [53.0, 29.25], [52.75, 29.35], [52.5, 29.25], [52.2, 29.38], [52.15, 29.25], [52.18, 29.18], [52.53, 29.03], [52.75, 28.5], [52.53, 27.97], [52.0, 27.75], [51.75, 27.85], [51.5, 27.75], [50.97, 27.97], [50.75, 28.5], [50.85, 28.75], [50.75, 29.0], [50.85, 29.25], [50.75, 29.5], [50.93, 29.93], [50.5, 29.75], [50.25, 29.85], [50.0, 29.75], [49.5, 29.96], [49.0, 29.75], [48.75, 29.85], [48.5, 29.75], [48.25, 29.85], [48.0, 29.75], [47.47, 29.97], [47.25, 30.5], [47.46, 31.0], [47.32, 31.32], [46.97, 31.47], [46.82, 31.82], [46.75, 31.85], [46.5, 31.75], [46.25, 31.85], [46.0, 31.75], [45.47, 31.97], [45.25, 32.5], [45.35, 32.75], [45.25, 33.0], [45.35, 33.25]], [[51.07, 30.07], [51.38, 30.2], [51.25, 30.5], [51.07, 30.07]], [[51.38, 30.8], [51.25, 30.85], [51.13, 30.8], [51.25, 30.5], [51.38, 30.8]]]]}, "2020-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.35, 33.25], [45.25, 33.5], [45.47, 34.03], [46.0, 34.25], [46.53, 34.03], [46.68, 33.68], [46.75, 33.65], [47.0, 33.75], [47.25, 33.65], [47.5, 33.75], [47.75, 33.65], [48.0, 33.75], [48.25, 33.65], [48.5, 33.75], [49.03, 33.53], [49.18, 33.18], [49.53, 33.03], [49.68, 32.68], [49.8, 32.63], [49.85, 32.75], [49.75, 33.0], [49.97, 33.53], [50.5, 33.75], [50.75, 33.65], [51.0, 33.75], [51.53, 33.53], [51.75, 33.0], [51.65, 32.75], [51.75, 32.5], [51.65, 32.25], [51.68, 32.18], [52.03, 32.03], [52.18, 31.68], [52.25, 31.65], [52.5, 31.75], [52.75, 31.65], [53.0, 31.75], [53.53, 31.53], [53.68, 31.18], [54.03, 31.03], [54.18, 30.68], [54.25, 30.65], [54.5, 30.75], [55.0, 30.54], [55.5, 30.75], [56.03, 30.53], [56.18, 30.18], [56.25, 30.15], [56.5, 30.25], [57.03, 30.03], [57.25, 29.5], [57.03, 28.97], [56.5, 28.75], [56.25, 28.85], [56.18, 28.82], [56.03, 28.47], [55.5, 28.25], [54.97, 28.47], [54.82, 28.82], [54.75, 28.85], [54.68, 28.82], [54.53, 28.47], [54.0, 28.25], [53.75, 28.35], [53.5, 28.25], [53.25, 28.35], [53.18, 28.32], [53.03, 27.97], [52.5, 27.75], [52.25, 27.85], [52.0, 27.75], [51.75, 27.85], [51.5, 27.75], [50.97, 27.97], [50.75, 28.5], [50.85, 28.75], [50.82, 28.82], [50.47, 28.97], [50.32, 29.32], [49.97, 29.47], [49.82, 29.82], [49.5, 29.96], [49.0, 29.75], [48.75, 29.85], [48.5, 29.75], [48.25, 29.85], [48.0, 29.75], [47.47, 29.97], [47.25, 30.5], [47.46, 31.0], [47.32, 31.32], [46.97, 31.47], [46.82, 31.82], [46.75, 31.85], [46.5, 31.75], [46.25, 31.85], [46.0, 31.75], [45.47, 31.97], [45.25, 32.5], [45.35, 32.75], [45.25, 33.0], [45.35, 33.25]], [[51.35, 30.75], [51.32, 30.82], [51.25, 30.85], [51.13, 30.8], [51.2, 30.63], [51.32, 30.68], [51.35, 30.75]]]]}, "2020-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.35, 33.25], [45.25, 33.5], [45.47, 34.03], [46.0, 34.25], [46.53, 34.03], [46.68, 33.68], [46.75, 33.65], [47.0, 33.75], [47.25, 33.65], [47.5, 33.75], [47.75, 33.65], [48.0, 33.75], [48.25, 33.65], [48.5, 33.75], [49.03, 33.53], [49.18, 33.18], [49.53, 33.03], [49.68, 32.68], [49.8, 32.63], [49.85, 32.75], [49.75, 33.0], [49.97, 33.53], [50.5, 33.75], [50.75, 33.65], [51.0, 33.75], [51.53, 33.53], [51.75, 33.0], [51.65, 32.75], [51.75, 32.5], [51.65, 32.25], [51.68, 32.18], [52.03, 32.03], [52.18, 31.68], [52.25, 31.65], [52.5, 31.75], [52.75, 31.65], [53.0, 31.75], [53.53, 31.53], [53.68, 31.18], [54.03, 31.03], [54.18, 30.68], [54.25, 30.65], [54.5, 30.75], [55.0, 30.54], [55.5, 30.75], [56.03, 30.53], [56.18, 30.18], [56.25, 30.15], [56.5, 30.25], [57.03, 30.03], [57.25, 29.5], [57.03, 28.97], [56.5, 28.75], [56.25, 28.85], [56.18, 28.82], [56.03, 28.47], [55.5, 28.25], [54.97, 28.47], [54.82, 28.82], [54.75, 28.85], [54.68, 28.82], [54.53, 28.47], [54.0, 28.25], [53.75, 28.35], [53.5, 28.25], [53.25, 28.35], [53.18, 28.32], [53.03, 27.97], [52.5, 27.75], [52.25, 27.85], [52.0, 27.75], [51.75, 27.85], [51.5, 27.75], [50.97, 27.97], [50.75, 28.5], [50.85, 28.75], [50.82, 28.82], [50.47, 28.97], [50.32, 29.32], [49.97, 29.47], [49.82, 29.82], [49.5, 29.96], [49.0, 29.75], [48.75, 29.85], [48.5, 29.75], [48.25, 29.85], [48.0, 29.75], [47.47, 29.97], [47.25, 30.5], [47.46, 31.0], [47.32, 31.32], [46.97, 31.47], [46.82, 31.82], [46.75, 31.85], [46.5, 31.75], [46.25, 31.85], [46.0, 31.75], [45.47, 31.97], [45.25, 32.5], [45.35, 32.75], [45.25, 33.0], [45.35, 33.25]], [[51.35, 30.75], [51.32, 30.82], [51.25, 30.85], [51.13, 30.8], [51.2, 30.63], [51.32, 30.68], [51.35, 30.75]]]]}, "2020-02-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.75, 30.0], [49.97, 30.53], [50.5, 30.75], [51.0, 30.54], [51.32, 30.68], [51.35, 30.75], [51.25, 31.0], [51.47, 31.53], [52.0, 31.75], [52.25, 31.65], [52.5, 31.75], [52.75, 31.65], [53.0, 31.75], [53.53, 31.53], [53.68, 31.18], [54.03, 31.03], [54.18, 30.68], [54.25, 30.65], [54.5, 30.75], [55.0, 30.54], [55.5, 30.75], [56.03, 30.53], [56.18, 30.18], [56.25, 30.15], [56.5, 30.25], [57.03, 30.03], [57.25, 29.5], [57.03, 28.97], [56.5, 28.75], [56.25, 28.85], [56.18, 28.82], [56.03, 28.47], [55.5, 28.25], [54.97, 28.47], [54.82, 28.82], [54.75, 28.85], [54.68, 28.82], [54.53, 28.47], [54.0, 28.25], [53.75, 28.35], [53.5, 28.25], [53.25, 28.35], [53.18, 28.32], [53.03, 27.97], [52.5, 27.75], [52.25, 27.85], [52.0, 27.75], [51.75, 27.85], [51.5, 27.75], [50.97, 27.97], [50.75, 28.5], [50.85, 28.75], [50.82, 28.82], [50.47, 28.97], [50.32, 29.32], [49.97, 29.47], [49.75, 30.0]]]]}, "2020-02-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.97, 29.47], [51.75, 30.0], [51.97, 30.53], [52.5, 30.75], [52.75, 30.65], [53.0, 30.75], [53.53, 30.53], [53.68, 30.18], [54.03, 30.03], [54.25, 29.5], [54.03, 28.97], [53.5, 28.75], [52.97, 28.97], [52.82, 29.32], [52.75, 29.35], [52.5, 29.25], [51.97, 29.47]]]]}, "2020-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.75, 31.5], [49.97, 32.03], [50.5, 32.25], [50.75, 32.15], [51.0, 32.25], [51.25, 32.15], [51.5, 32.25], [52.03, 32.03], [52.25, 31.5], [52.15, 31.25], [52.18, 31.18], [52.53, 31.03], [52.7, 30.63], [53.0, 30.75], [53.53, 30.53], [53.75, 30.0], [53.53, 29.47], [53.0, 29.25], [52.47, 29.47], [52.3, 29.88], [52.0, 29.75], [51.47, 29.97], [51.32, 30.32], [50.97, 30.47], [50.82, 30.82], [50.75, 30.85], [50.5, 30.75], [49.97, 30.97], [49.75, 31.5]]], [[[48.97, 32.47], [48.75, 33.0], [48.97, 33.53], [49.5, 33.75], [50.03, 33.53], [50.25, 33.0], [50.03, 32.47], [49.5, 32.25], [48.97, 32.47]]]]}, "2020-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.75, 32.0], [47.97, 32.53], [48.32, 32.68], [48.35, 32.75], [48.25, 33.0], [48.47, 33.53], [48.82, 33.68], [48.85, 33.75], [48.75, 34.0], [48.97, 34.53], [49.5, 34.75], [50.03, 34.53], [50.18, 34.18], [50.53, 34.03], [50.75, 33.5], [50.65, 33.25], [50.75, 33.0], [50.65, 32.75], [50.75, 32.5], [50.65, 32.25], [50.68, 32.18], [50.75, 32.15], [51.0, 32.25], [51.25, 32.15], [51.5, 32.25], [52.03, 32.03], [52.18, 31.68], [52.53, 31.53], [52.68, 31.18], [52.75, 31.15], [53.0, 31.25], [53.53, 31.03], [53.68, 30.68], [54.03, 30.53], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [53.25, 29.35], [53.18, 29.32], [53.04, 29.0], [53.18, 28.68], [53.53, 28.53], [53.75, 28.0], [53.53, 27.47], [53.0, 27.25], [52.47, 27.47], [52.32, 27.82], [52.25, 27.85], [52.0, 27.75], [51.75, 27.85], [51.5, 27.75], [50.97, 27.97], [50.75, 28.5], [50.85, 28.75], [50.82, 28.82], [50.47, 28.97], [50.32, 29.32], [49.97, 29.47], [49.82, 29.82], [49.47, 29.97], [49.25, 30.5], [49.03, 29.97], [48.5, 29.75], [48.25, 29.85], [48.0, 29.75], [47.47, 29.97], [47.25, 30.5], [47.47, 31.03], [47.82, 31.18], [47.96, 31.5], [47.75, 32.0]], [[49.35, 30.75], [49.32, 30.82], [49.25, 30.85], [49.18, 30.82], [49.15, 30.75], [49.25, 30.5], [49.35, 30.75]]]]}, "2020-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.75, 32.0], [47.97, 32.53], [48.32, 32.68], [48.35, 32.75], [48.25, 33.0], [48.47, 33.53], [48.82, 33.68], [48.85, 33.75], [48.75, 34.0], [48.97, 34.53], [49.5, 34.75], [50.03, 34.53], [50.18, 34.18], [50.53, 34.03], [50.75, 33.5], [50.65, 33.25], [50.75, 33.0], [50.65, 32.75], [50.75, 32.5], [50.65, 32.25], [50.68, 32.18], [50.75, 32.15], [51.0, 32.25], [51.25, 32.15], [51.5, 32.25], [52.03, 32.03], [52.18, 31.68], [52.53, 31.53], [52.68, 31.18], [52.75, 31.15], [53.0, 31.25], [53.53, 31.03], [53.68, 30.68], [54.03, 30.53], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [53.25, 29.35], [53.18, 29.32], [53.04, 29.0], [53.18, 28.68], [53.53, 28.53], [53.75, 28.0], [53.53, 27.47], [53.0, 27.25], [52.47, 27.47], [52.32, 27.82], [52.25, 27.85], [52.0, 27.75], [51.75, 27.85], [51.5, 27.75], [50.97, 27.97], [50.75, 28.5], [50.85, 28.75], [50.82, 28.82], [50.47, 28.97], [50.32, 29.32], [49.97, 29.47], [49.82, 29.82], [49.47, 29.97], [49.25, 30.5], [49.03, 29.97], [48.5, 29.75], [48.25, 29.85], [48.0, 29.75], [47.47, 29.97], [47.25, 30.5], [47.47, 31.03], [47.82, 31.18], [47.96, 31.5], [47.75, 32.0]], [[49.35, 30.75], [49.32, 30.82], [49.25, 30.85], [49.18, 30.82], [49.15, 30.75], [49.25, 30.5], [49.35, 30.75]]]]}, "2020-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.75, 32.0], [47.97, 32.53], [48.32, 32.68], [48.35, 32.75], [48.25, 33.0], [48.47, 33.53], [48.82, 33.68], [48.85, 33.75], [48.75, 34.0], [48.97, 34.53], [49.5, 34.75], [50.03, 34.53], [50.18, 34.18], [50.53, 34.03], [50.75, 33.5], [50.65, 33.25], [50.75, 33.0], [50.65, 32.75], [50.75, 32.5], [50.65, 32.25], [50.68, 32.18], [50.75, 32.15], [51.0, 32.25], [51.25, 32.15], [51.5, 32.25], [52.03, 32.03], [52.18, 31.68], [52.53, 31.53], [52.68, 31.18], [52.75, 31.15], [53.0, 31.25], [53.53, 31.03], [53.68, 30.68], [54.03, 30.53], [54.25, 30.0], [54.03, 29.47], [53.5, 29.25], [53.25, 29.35], [53.18, 29.32], [53.04, 29.0], [53.18, 28.68], [53.53, 28.53], [53.75, 28.0], [53.53, 27.47], [53.0, 27.25], [52.47, 27.47], [52.32, 27.82], [52.25, 27.85], [52.0, 27.75], [51.75, 27.85], [51.5, 27.75], [50.97, 27.97], [50.75, 28.5], [50.85, 28.75], [50.82, 28.82], [50.47, 28.97], [50.32, 29.32], [49.97, 29.47], [49.82, 29.82], [49.47, 29.97], [49.25, 30.5], [49.03, 29.97], [48.5, 29.75], [48.25, 29.85], [48.0, 29.75], [47.47, 29.97], [47.25, 30.5], [47.47, 31.03], [47.82, 31.18], [47.96, 31.5], [47.75, 32.0]], [[49.35, 30.75], [49.32, 30.82], [49.25, 30.85], [49.18, 30.82], [49.15, 30.75], [49.25, 30.5], [49.35, 30.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.210048083398135}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.4837645178812}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.3267727842428485, 14.879534973755256, 14.124818620772373, 16.017805423885818, 12.489309763328095, 11.275879834338014, 5.180351327358778, 12.534524950470313, 14.521339136858614, 15.22192132117624]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.078817656434182, 20.491263137941303, 21.477537182230833, 23.293144022349793, 20.761131335878645, 12.66767047250329, 10.594984751616664, 21.570191703428407, 23.344777489008322, 26.16693080169648]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.077383926347455, 4.592544163873947, 4.954859619964459, 6.6646135328009715, 4.547385654936196, 3.9101393337360455, 4.814653717364097, 4.342949930164097, 6.1891452611370985, 6.755934960510338]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.381685806081293, 6.440621328964767, 7.934735734917865, 10.108559860836124, 5.666336638719201, 4.437734218210608, 5.958985876256918, 6.4699870879148875, 9.394572779688986, 10.210048083398135]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3766418202909059, 1.4372118138494, 1.5838929201086258, 2.1982415318781783, 1.5021755702943578, 1.449511339743166, 1.38499405630153, 1.4553716215564734, 2.109043097049442, 2.3121933731839484]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6754652179404215, 1.7956878089773811, 1.9627460324990014, 2.68495156153051, 1.8056426699065888, 1.5507103474858615, 1.4870108032710876, 1.8202183123263596, 2.8477101295042173, 3.335960004069177]}}