{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:54.627404", "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": "2014-Jul-02_to_2014-Jul-08_48.5_18.0"}, "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": 2014070001715}, "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 02 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 08 2014"}, "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": 50287.02131531211}, "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": 18.0}, "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": 48.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "48.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 49.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.0, 15.75], [47.53, 15.53], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.47, 14.47], [46.25, 15.0], [46.47, 15.53], [47.0, 15.75]]]]}, "2014-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.47, 14.47], [46.25, 15.0], [46.47, 15.53], [47.0, 15.75], [47.53, 15.53], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.47, 14.47]]], [[[47.97, 17.47], [47.75, 18.0], [47.97, 18.53], [48.5, 18.75], [49.03, 18.53], [49.25, 18.0], [49.03, 17.47], [48.5, 17.25], [47.97, 17.47]]]]}, "2014-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.82, 16.18], [46.97, 16.53], [47.5, 16.75], [48.03, 16.53], [48.25, 16.0], [48.03, 15.47], [47.68, 15.32], [47.65, 15.25], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.47, 14.47], [46.25, 15.0], [46.35, 15.25], [46.25, 15.5], [46.47, 16.03], [46.82, 16.18]]], [[[46.97, 18.03], [47.5, 18.25], [47.8, 18.13], [47.97, 18.53], [48.5, 18.75], [49.03, 18.53], [49.25, 18.0], [49.03, 17.47], [48.5, 17.25], [48.2, 17.38], [48.03, 16.97], [47.5, 16.75], [46.97, 16.97], [46.75, 17.5], [46.97, 18.03]]]]}, "2014-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.0, 18.25], [47.25, 18.15], [47.5, 18.25], [47.8, 18.13], [47.97, 18.53], [48.5, 18.75], [49.03, 18.53], [49.25, 18.0], [49.03, 17.47], [48.5, 17.25], [48.2, 17.38], [48.13, 17.2], [48.53, 17.03], [48.75, 16.5], [48.53, 15.97], [48.18, 15.82], [48.03, 15.47], [47.68, 15.32], [47.65, 15.25], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.47, 14.47], [46.25, 15.0], [46.35, 15.25], [46.25, 15.5], [46.47, 16.03], [46.82, 16.18], [46.85, 16.25], [46.8, 16.38], [46.5, 16.25], [45.97, 16.47], [45.75, 17.0], [45.97, 17.53], [46.32, 17.68], [46.47, 18.03], [47.0, 18.25]]]]}, "2014-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 17.0], [45.97, 17.53], [46.32, 17.68], [46.47, 18.03], [47.0, 18.25], [47.25, 18.15], [47.5, 18.25], [47.75, 18.15], [47.82, 18.18], [47.97, 18.53], [48.5, 18.75], [49.03, 18.53], [49.18, 18.18], [49.53, 18.03], [49.75, 17.5], [49.53, 16.97], [49.18, 16.82], [49.03, 16.47], [48.68, 16.32], [48.53, 15.97], [48.18, 15.82], [48.03, 15.47], [47.68, 15.32], [47.65, 15.25], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.47, 14.47], [46.25, 15.0], [46.35, 15.25], [46.25, 15.5], [46.46, 16.0], [46.32, 16.32], [45.97, 16.47], [45.75, 17.0]]]]}, "2014-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 17.0], [45.97, 17.53], [46.32, 17.68], [46.47, 18.03], [47.0, 18.25], [47.5, 18.04], [47.82, 18.18], [47.97, 18.53], [48.5, 18.75], [49.03, 18.53], [49.18, 18.18], [49.53, 18.03], [49.75, 17.5], [49.53, 16.97], [49.18, 16.82], [49.03, 16.47], [48.68, 16.32], [48.53, 15.97], [48.0, 15.75], [47.75, 15.85], [47.5, 15.75], [47.25, 15.85], [47.0, 15.75], [46.47, 15.97], [46.32, 16.32], [45.97, 16.47], [45.75, 17.0]]]]}, "2014-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.47, 17.53], [47.0, 17.75], [47.25, 17.65], [47.32, 17.68], [47.47, 18.03], [47.82, 18.18], [47.97, 18.53], 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"Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.324894975078941, 1.4850081414847083, 1.5902794099831503, 1.5689876951398412, 2.5913283366859976, 1.883679622058426, 1.896688575058213]}}