{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:32.658953", "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-Nov-01_to_2018-Nov-05_38.5_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": 2018110001163}, "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": "November 01 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 05 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58859.933912775516}, "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": ["Eritrea", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "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": ["Red Sea"]}, "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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.75, 18.0], [37.97, 18.53], [38.38, 18.7], [38.25, 19.0], [38.47, 19.53], [39.0, 19.75], [39.25, 19.65], [39.5, 19.75], [40.03, 19.53], [40.18, 19.18], [40.53, 19.03], [40.68, 18.68], [41.03, 18.53], [41.25, 18.0], [41.15, 17.75], [41.25, 17.5], [41.03, 16.97], [40.5, 16.75], [40.25, 16.85], [40.0, 16.75], [39.7, 16.88], [39.65, 16.75], [39.75, 16.5], [39.65, 16.25], [39.75, 16.0], [39.53, 15.47], [39.0, 15.25], [38.47, 15.47], [38.25, 16.0], [38.35, 16.25], [38.25, 16.5], [38.35, 16.75], [38.25, 17.0], [38.35, 17.25], [38.32, 17.32], [37.97, 17.47], [37.75, 18.0]]]]}, "2018-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.32, 16.68], [38.35, 16.75], [38.25, 17.0], [38.35, 17.25], [38.32, 17.32], [37.97, 17.47], [37.75, 18.0], [37.97, 18.53], [38.38, 18.7], [38.25, 19.0], [38.35, 19.25], [38.25, 19.5], [38.47, 20.03], [39.0, 20.25], [39.53, 20.03], [39.68, 19.68], [39.75, 19.65], [40.0, 19.75], [40.53, 19.53], [40.68, 19.18], [41.03, 19.03], [41.18, 18.68], [41.53, 18.53], [41.75, 18.0], [41.53, 17.47], [41.18, 17.32], [41.03, 16.97], [40.5, 16.75], [40.25, 16.85], [40.0, 16.75], [39.7, 16.88], [39.65, 16.75], [39.75, 16.5], [39.65, 16.25], [39.75, 16.0], [39.53, 15.47], [39.0, 15.25], [38.75, 15.35], [38.68, 15.32], [38.53, 14.97], [38.0, 14.75], [37.47, 14.97], [37.25, 15.5], [37.47, 16.03], [37.82, 16.18], [37.97, 16.53], [38.32, 16.68]]]]}, "2018-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.32, 16.68], [38.35, 16.75], [38.25, 17.0], [38.35, 17.25], [38.32, 17.32], [37.97, 17.47], [37.75, 18.0], [37.97, 18.53], [38.38, 18.7], [38.25, 19.0], [38.35, 19.25], [38.25, 19.5], [38.47, 20.03], [39.0, 20.25], [39.53, 20.03], [39.68, 19.68], [39.75, 19.65], [40.0, 19.75], [40.53, 19.53], [40.68, 19.18], [41.03, 19.03], [41.18, 18.68], [41.53, 18.53], [41.75, 18.0], [41.53, 17.47], [41.18, 17.32], [41.03, 16.97], [40.5, 16.75], [40.25, 16.85], [40.0, 16.75], [39.7, 16.88], [39.65, 16.75], [39.75, 16.5], [39.65, 16.25], [39.75, 16.0], [39.53, 15.47], [39.0, 15.25], [38.75, 15.35], [38.68, 15.32], [38.53, 14.97], [38.0, 14.75], [37.47, 14.97], [37.25, 15.5], [37.47, 16.03], [37.82, 16.18], [37.97, 16.53], [38.32, 16.68]]]]}, "2018-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.47, 17.03], [39.0, 17.25], [39.53, 17.03], [39.75, 16.5], [39.65, 16.25], [39.75, 16.0], [39.53, 15.47], [39.0, 15.25], [38.75, 15.35], [38.68, 15.32], [38.53, 14.97], [38.0, 14.75], [37.47, 14.97], [37.25, 15.5], [37.47, 16.03], [37.82, 16.18], [37.97, 16.53], [38.32, 16.68], [38.47, 17.03]]], [[[38.47, 20.03], [39.0, 20.25], [39.53, 20.03], [39.68, 19.68], [39.75, 19.65], [40.0, 19.75], [40.53, 19.53], [40.68, 19.18], [41.03, 19.03], [41.18, 18.68], [41.53, 18.53], [41.75, 18.0], [41.53, 17.47], [41.0, 17.25], [40.75, 17.35], [40.5, 17.25], [39.97, 17.47], [39.82, 17.82], [39.47, 17.97], [39.32, 18.32], [38.97, 18.47], [38.82, 18.82], [38.47, 18.97], [38.25, 19.5], [38.47, 20.03]]]]}, "2018-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.0, 17.25], [39.53, 17.03], [39.75, 16.5], [39.65, 16.25], [39.75, 16.0], [39.53, 15.47], [39.0, 15.25], [38.75, 15.35], [38.5, 15.25], [37.97, 15.47], [37.75, 16.0], [37.97, 16.53], [38.32, 16.68], [38.47, 17.03], [39.0, 17.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.275306572541467}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1442312178213168}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.51890824028675, 30.16836459435808, 30.04519363041237, 29.202100391242595, 26.179956247263476]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.037721078489596, 31.21531126124512, 31.076163054837593, 30.575503631126708, 29.637754367682533]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0192132732613086, 1.2099188766052946, 1.1882278913866429, 1.0635003598741832, 1.2924325559121523]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1696417894056026, 1.4498483197399992, 1.7149433386333612, 2.275306572541467, 1.6773689649122616]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4743283943311367, 1.7485940675876208, 1.6968528312498123, 1.436425503341123, 1.5322103963931644]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6901828542876423, 2.1370505521737275, 2.093823782619681, 2.5685045212587974, 1.8563800596024305]}}