{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:33.358180", "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": "2013-Sep-14_to_2013-Sep-17_35.5_20.5"}, "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": 2013090002181}, "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": "September 14 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 17 2013"}, "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": 57732.5324457804}, "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": 20.5}, "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": 35.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.82, 21.68], [32.97, 22.03], [33.5, 22.25], [33.75, 22.15], [34.0, 22.25], [34.25, 22.15], [34.32, 22.18], [34.47, 22.53], [35.0, 22.75], [35.53, 22.53], [35.68, 22.18], [36.03, 22.03], [36.25, 21.5], [36.04, 21.0], [36.25, 20.5], [36.03, 19.97], [35.5, 19.75], [34.97, 19.97], [34.82, 20.32], [34.75, 20.35], [34.68, 20.32], [34.53, 19.97], [34.0, 19.75], [33.75, 19.85], [33.5, 19.75], [33.25, 19.85], [33.0, 19.75], [32.75, 19.85], [32.5, 19.75], [31.97, 19.97], [31.75, 20.5], [31.97, 21.03], [32.32, 21.18], [32.47, 21.53], [32.82, 21.68]]]]}, "2013-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.82, 21.68], [32.97, 22.03], [33.5, 22.25], [33.75, 22.15], [34.0, 22.25], [34.25, 22.15], [34.32, 22.18], [34.47, 22.53], [35.0, 22.75], [35.53, 22.53], [35.68, 22.18], [36.03, 22.03], [36.25, 21.5], [36.15, 21.25], [36.25, 21.0], [36.15, 20.75], [36.25, 20.5], [36.03, 19.97], [35.5, 19.75], [35.25, 19.85], [35.18, 19.82], [35.03, 19.47], [34.5, 19.25], [33.97, 19.47], [33.82, 19.82], [33.75, 19.85], [33.5, 19.75], [33.25, 19.85], [33.0, 19.75], [32.75, 19.85], [32.5, 19.75], [31.97, 19.97], [31.75, 20.5], [31.97, 21.03], [32.32, 21.18], [32.47, 21.53], [32.82, 21.68]]]]}, "2013-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.82, 21.68], [32.97, 22.03], [33.5, 22.25], [33.75, 22.15], [34.0, 22.25], [34.25, 22.15], [34.32, 22.18], [34.47, 22.53], [35.0, 22.75], [35.53, 22.53], [35.68, 22.18], [36.03, 22.03], [36.25, 21.5], [36.15, 21.25], [36.25, 21.0], [36.15, 20.75], [36.25, 20.5], [36.03, 19.97], [35.5, 19.75], [35.25, 19.85], [35.18, 19.82], [35.03, 19.47], [34.5, 19.25], [33.97, 19.47], [33.82, 19.82], [33.75, 19.85], [33.5, 19.75], [33.25, 19.85], [33.0, 19.75], [32.75, 19.85], [32.5, 19.75], [31.97, 19.97], [31.75, 20.5], [31.97, 21.03], [32.32, 21.18], [32.47, 21.53], [32.82, 21.68]]]]}, "2013-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.85, 20.75], [33.75, 21.0], [33.97, 21.53], [34.32, 21.68], [34.35, 21.75], [34.25, 22.0], [34.47, 22.53], [35.0, 22.75], [35.53, 22.53], [35.75, 22.0], [35.65, 21.75], [35.68, 21.68], [36.03, 21.53], [36.25, 21.0], [36.15, 20.75], [36.25, 20.5], [36.03, 19.97], [35.5, 19.75], [35.25, 19.85], [35.18, 19.82], [35.03, 19.47], [34.5, 19.25], [33.97, 19.47], [33.75, 20.0], [33.85, 20.25], [33.75, 20.5], [33.85, 20.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.2608482773659375}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.382911301231772}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.016987177473084, 36.53960720911624, 36.121923862733524, 35.29020939151576]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [37.64546972946363, 38.40880873646864, 38.05089362516168, 36.44152380252376]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.270740336482721, 2.7667550030682238, 2.349297450947404, 1.8040377906699012]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.1968817090562425, 4.2608482773659375, 3.4271436565539943, 2.065926994565359]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3649170623693012, 1.816862273580849, 1.5978584383978194, 1.726893485061909]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6131021913464554, 2.4209853063062665, 1.9421737919218989, 2.3678678131750734]}}