{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:14.998023", "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": "2018-Jul-04_to_2018-Jul-07_26.5_16.0"}, "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": 2018070001755}, "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 04 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 07 2018"}, "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": 61915.74757506546}, "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": ["Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 16.0}, "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": 26.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 27.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.03, 15.47], [26.5, 15.25], [25.97, 15.47], [25.75, 16.0], [25.97, 16.53], [26.5, 16.75], [27.03, 16.53], [27.25, 16.0], [27.03, 15.47]]], [[[25.32, 19.18], [25.47, 19.53], [26.0, 19.75], [26.25, 19.65], [26.5, 19.75], [27.03, 19.53], [27.18, 19.18], [27.53, 19.03], [27.75, 18.5], [27.53, 17.97], [27.18, 17.82], [27.15, 17.75], [27.25, 17.5], [27.03, 16.97], [26.5, 16.75], [26.25, 16.85], [26.0, 16.75], [25.47, 16.97], [25.32, 17.32], [24.97, 17.47], [24.75, 18.0], [24.85, 18.25], [24.75, 18.5], [24.97, 19.03], [25.32, 19.18]]]]}, "2018-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.85, 16.75], [23.75, 17.0], [23.97, 17.53], [24.5, 17.75], [24.75, 17.65], [24.88, 17.7], [24.75, 18.0], [24.85, 18.25], [24.75, 18.5], [24.97, 19.03], [25.32, 19.18], [25.47, 19.53], [26.0, 19.75], [26.25, 19.65], [26.5, 19.75], [27.03, 19.53], [27.18, 19.18], [27.53, 19.03], [27.75, 18.5], [27.53, 17.97], [27.18, 17.82], [27.15, 17.75], [27.25, 17.5], [27.04, 17.0], [27.25, 16.5], [27.15, 16.25], [27.25, 16.0], [27.03, 15.47], [26.5, 15.25], [25.97, 15.47], [25.82, 15.82], [25.75, 15.85], [25.5, 15.75], [25.25, 15.85], [25.18, 15.82], [25.03, 15.47], [24.5, 15.25], [23.97, 15.47], [23.75, 16.0], [23.85, 16.25], [23.75, 16.5], [23.85, 16.75]]]]}, "2018-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.85, 16.75], [23.75, 17.0], [23.97, 17.53], [24.5, 17.75], [24.75, 17.65], [24.88, 17.7], [24.75, 18.0], [24.85, 18.25], [24.75, 18.5], [24.97, 19.03], [25.32, 19.18], [25.47, 19.53], [26.0, 19.75], [26.25, 19.65], [26.5, 19.75], [27.03, 19.53], [27.18, 19.18], [27.53, 19.03], [27.75, 18.5], [27.53, 17.97], [27.18, 17.82], [27.15, 17.75], [27.25, 17.5], [27.04, 17.0], [27.25, 16.5], [27.15, 16.25], [27.25, 16.0], [27.03, 15.47], [26.5, 15.25], [25.97, 15.47], [25.82, 15.82], [25.75, 15.85], [25.5, 15.75], [25.25, 15.85], [25.18, 15.82], [25.03, 15.47], [24.5, 15.25], [23.97, 15.47], [23.75, 16.0], [23.85, 16.25], [23.75, 16.5], [23.85, 16.75]]]]}, "2018-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.85, 16.75], [23.75, 17.0], [23.97, 17.53], [24.5, 17.75], [24.75, 17.65], [25.0, 17.75], [25.25, 17.65], [25.5, 17.75], [26.03, 17.53], [26.18, 17.18], [26.25, 17.15], [26.5, 17.25], [27.03, 17.03], [27.25, 16.5], [27.15, 16.25], [27.25, 16.0], [27.03, 15.47], [26.5, 15.25], [25.97, 15.47], [25.82, 15.82], [25.75, 15.85], [25.5, 15.75], [25.25, 15.85], [25.18, 15.82], [25.03, 15.47], [24.5, 15.25], [23.97, 15.47], [23.75, 16.0], [23.85, 16.25], [23.75, 16.5], [23.85, 16.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.747441116033201}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8981202203402088}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.28629441778975, 32.83217199288919, 32.80722503208142, 32.11689057777545]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.989821092740726, 34.293106104046615, 33.43041579898511, 32.36367773398575]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.053650570982427, 1.934502692698659, 1.8760018054011258, 1.6815292789888758]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4407650578012863, 2.747441116033201, 2.4627945423828805, 1.9729456519729638]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5689730000571733, 1.6397589084482003, 1.715556686496789, 1.6980663165577323]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8743581988874256, 2.235304071952601, 2.336128316365708, 1.9414795531968072]}}