{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:22.315817", "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": "2010-Jul-29_to_2010-Jul-31_346.0_24.0"}, "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": 2010070003049}, "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 29 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 31 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 99056.72707740459}, "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": ["Mauritania", "Morocco"]}, "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": 24.0}, "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": 346.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "346.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 345.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.15, 23.75], [-15.25, 24.0], [-15.15, 24.25], [-15.25, 24.5], [-15.15, 24.75], [-15.25, 25.0], [-15.03, 25.53], [-14.5, 25.75], [-13.97, 25.53], [-13.82, 25.18], [-13.75, 25.15], [-13.5, 25.25], [-13.0, 25.04], [-12.5, 25.25], [-12.25, 25.15], [-12.0, 25.25], [-11.75, 25.15], [-11.5, 25.25], [-11.0, 25.04], [-10.5, 25.25], [-10.25, 25.15], [-10.0, 25.25], [-9.47, 25.03], [-9.25, 24.5], [-9.47, 23.97], [-10.0, 23.75], [-10.25, 23.85], [-10.32, 23.82], [-10.35, 23.75], [-10.25, 23.5], [-10.47, 22.97], [-10.82, 22.82], [-10.97, 22.47], [-11.5, 22.25], [-11.75, 22.35], [-12.0, 22.25], [-12.25, 22.35], [-12.32, 22.32], [-12.47, 21.97], [-13.0, 21.75], [-13.25, 21.85], [-13.5, 21.75], [-13.75, 21.85], [-14.0, 21.75], [-14.53, 21.97], [-14.68, 22.32], [-15.03, 22.47], [-15.25, 23.0], [-15.15, 23.25], [-15.25, 23.5], [-15.15, 23.75]]]]}, "2010-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.15, 23.75], [-15.25, 24.0], [-15.15, 24.25], [-15.25, 24.5], [-15.15, 24.75], [-15.25, 25.0], [-15.03, 25.53], [-14.5, 25.75], [-13.97, 25.53], [-13.82, 25.18], [-13.75, 25.15], [-13.5, 25.25], [-13.0, 25.04], [-12.5, 25.25], [-12.25, 25.15], [-12.0, 25.25], [-11.75, 25.15], [-11.5, 25.25], [-11.0, 25.04], [-10.5, 25.25], [-10.25, 25.15], [-10.0, 25.25], [-9.47, 25.03], [-9.25, 24.5], [-9.47, 23.97], [-10.0, 23.75], [-10.25, 23.85], [-10.32, 23.82], [-10.35, 23.75], [-10.25, 23.5], [-10.47, 22.97], [-10.82, 22.82], [-10.97, 22.47], [-11.5, 22.25], [-11.75, 22.35], [-12.0, 22.25], [-12.25, 22.35], [-12.32, 22.32], [-12.47, 21.97], [-13.0, 21.75], [-13.25, 21.85], [-13.5, 21.75], [-13.75, 21.85], [-14.0, 21.75], [-14.53, 21.97], [-14.68, 22.32], [-15.03, 22.47], [-15.25, 23.0], [-15.15, 23.25], [-15.25, 23.5], [-15.15, 23.75]]]]}, "2010-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-15.15, 23.75], [-15.25, 24.0], [-15.15, 24.25], [-15.25, 24.5], [-15.15, 24.75], [-15.25, 25.0], [-15.03, 25.53], [-14.5, 25.75], [-13.97, 25.53], [-13.82, 25.18], [-13.75, 25.15], [-13.5, 25.25], [-13.0, 25.04], [-12.5, 25.25], [-12.25, 25.15], [-12.0, 25.25], [-11.75, 25.15], [-11.5, 25.25], [-11.0, 25.04], [-10.5, 25.25], [-10.25, 25.15], [-10.0, 25.25], [-9.47, 25.03], [-9.25, 24.5], [-9.47, 23.97], [-10.0, 23.75], [-10.25, 23.85], [-10.32, 23.82], [-10.35, 23.75], [-10.25, 23.5], [-10.47, 22.97], [-10.82, 22.82], [-10.97, 22.47], [-11.5, 22.25], [-11.75, 22.35], [-12.0, 22.25], [-12.25, 22.35], [-12.32, 22.32], [-12.47, 21.97], [-13.0, 21.75], [-13.25, 21.85], [-13.5, 21.75], [-13.75, 21.85], [-14.0, 21.75], [-14.53, 21.97], [-14.68, 22.32], [-15.03, 22.47], [-15.25, 23.0], [-15.15, 23.25], [-15.25, 23.5], [-15.15, 23.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.3177801865102765}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.005986144314619}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [37.08219266743663, 38.06219477002668, 37.285725244100036]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.904189282654954, 40.00047781204728, 39.30155908045191]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.453615381758654, 5.610067716315135, 4.954275334870072]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.1566627696859655, 7.3177801865102765, 6.328608775387011]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4711583237724608, 1.8388843445165801, 1.6305077575839162]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8673179449605233, 2.2225694887690266, 2.2909756641216763]}}