{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:46.507914", "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": "2017-Aug-17_to_2017-Aug-22_314.5_-17.0"}, "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": 2017080002252}, "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": "August 17 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 22 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 120967.21235558207}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": -17.0}, "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": 314.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "314.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 310.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 315.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.5, -18.75], [-44.97, -18.97], [-44.75, -19.5], [-44.85, -19.75], [-44.75, -20.0], [-44.97, -20.53], [-45.5, -20.75], [-46.03, -20.53], [-46.25, -20.0], [-46.15, -19.75], [-46.25, -19.5], [-46.03, -18.97], [-45.5, -18.75]]], [[[-49.03, -16.53], [-49.25, -16.0], [-49.03, -15.47], [-48.5, -15.25], [-47.97, -15.47], [-47.75, -16.0], [-47.97, -16.53], [-48.5, -16.75], [-49.03, -16.53]]]]}, "2017-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.5, -18.75], [-44.97, -18.97], [-44.75, -19.5], [-44.85, -19.75], [-44.75, -20.0], [-44.97, -20.53], [-45.5, -20.75], [-46.03, -20.53], [-46.25, -20.0], [-46.15, -19.75], [-46.25, -19.5], [-46.03, -18.97], [-45.5, -18.75]]], [[[-44.97, -15.97], [-44.75, -16.5], [-44.85, -16.75], [-44.8, -16.88], [-44.5, -16.75], [-43.97, -16.97], [-43.75, -17.5], [-43.97, -18.03], [-44.5, -18.25], [-45.03, -18.03], [-45.2, -17.62], [-45.5, -17.75], [-46.03, -17.53], [-46.25, -17.0], [-46.15, -16.75], [-46.25, -16.5], [-46.03, -15.97], [-45.5, -15.75], [-44.97, -15.97]]], [[[-49.0, -14.25], [-48.7, -14.38], [-48.53, -13.97], [-48.0, -13.75], [-47.47, -13.97], [-47.25, -14.5], [-47.35, -14.75], [-47.25, -15.0], [-47.35, -15.25], [-47.32, -15.32], [-46.97, -15.47], [-46.75, -16.0], [-46.97, -16.53], [-47.5, -16.75], [-47.75, -16.65], [-48.0, -16.75], [-48.25, -16.65], [-48.5, -16.75], [-49.03, -16.53], [-49.25, -16.0], [-49.15, -15.75], [-49.18, -15.68], [-49.53, -15.53], [-49.75, -15.0], [-49.53, -14.47], [-49.0, -14.25]]]]}, "2017-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -15.53], [-50.25, -15.0], [-50.03, -14.47], [-49.5, -14.25], [-49.25, -14.35], [-49.0, -14.25], [-48.7, -14.38], [-48.53, -13.97], [-48.0, -13.75], [-47.47, -13.97], [-47.25, -14.5], [-47.35, -14.75], [-47.32, -14.82], [-46.97, -14.97], [-46.75, -15.5], [-46.85, -15.75], [-46.75, -16.0], [-46.85, -16.25], [-46.8, -16.38], [-46.5, -16.25], [-46.25, -16.35], [-46.18, -16.32], [-46.03, -15.97], [-45.5, -15.75], [-44.97, -15.97], [-44.82, -16.32], [-44.75, -16.35], [-44.5, -16.25], [-43.97, -16.47], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.85, -17.75], [-43.75, -18.0], [-43.85, -18.25], [-43.75, -18.5], [-43.85, -18.75], [-43.75, -19.0], [-43.85, -19.25], [-43.75, -19.5], [-43.97, -20.03], [-44.5, -20.25], [-44.75, -20.15], [-44.82, -20.18], [-44.97, -20.53], [-45.5, -20.75], [-46.03, -20.53], [-46.25, -20.0], [-46.15, -19.75], [-46.25, -19.5], [-46.15, -19.25], [-46.18, -19.18], [-46.25, -19.15], [-46.5, -19.25], [-47.03, -19.03], [-47.25, -18.5], [-47.15, -18.25], [-47.18, -18.18], [-47.53, -18.03], [-47.68, -17.68], [-48.03, -17.53], [-48.25, -17.0], [-48.15, -16.75], [-48.18, -16.68], [-48.25, -16.65], [-48.5, -16.75], [-49.03, -16.53], [-49.25, -16.0], [-49.15, -15.75], [-49.18, -15.68], [-49.25, -15.65], [-49.5, -15.75], [-50.03, -15.53]]]]}, "2017-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -15.53], [-50.25, -15.0], [-50.03, -14.47], [-49.5, -14.25], [-49.25, -14.35], [-49.0, -14.25], [-48.75, -14.35], [-48.68, -14.32], [-48.53, -13.97], [-48.0, -13.75], [-47.47, -13.97], [-47.25, -14.5], [-47.35, -14.75], [-47.32, -14.82], [-46.97, -14.97], [-46.75, -15.5], [-46.85, -15.75], [-46.75, -16.0], [-46.85, -16.25], [-46.8, -16.38], [-46.5, -16.25], [-46.25, -16.35], [-46.18, -16.32], [-46.03, -15.97], [-45.5, -15.75], [-44.97, -15.97], [-44.82, -16.32], [-44.75, -16.35], [-44.5, -16.25], [-43.97, -16.47], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.85, -17.75], [-43.75, -18.0], [-43.85, -18.25], [-43.75, -18.5], [-43.85, -18.75], [-43.75, -19.0], [-43.85, -19.25], [-43.75, -19.5], [-43.97, -20.03], [-44.5, -20.25], [-44.75, -20.15], [-44.82, -20.18], [-44.97, -20.53], [-45.5, -20.75], [-46.03, -20.53], [-46.25, -20.0], [-46.15, -19.75], [-46.25, -19.5], [-46.15, -19.25], [-46.18, -19.18], [-46.25, -19.15], [-46.5, -19.25], [-47.03, -19.03], [-47.25, -18.5], [-47.15, -18.25], [-47.18, -18.18], [-47.53, -18.03], [-47.68, -17.68], [-48.03, -17.53], [-48.25, -17.0], [-48.15, -16.75], [-48.18, -16.68], [-48.25, -16.65], [-48.5, -16.75], [-49.03, -16.53], [-49.25, -16.0], [-49.15, -15.75], [-49.18, -15.68], [-49.25, -15.65], [-49.5, -15.75], [-50.03, -15.53]]]]}, "2017-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.03, -15.53], [-50.25, -15.0], [-50.03, -14.47], [-49.5, -14.25], [-49.25, -14.35], [-49.0, -14.25], [-48.75, -14.35], [-48.68, -14.32], [-48.53, -13.97], [-48.0, -13.75], [-47.47, -13.97], [-47.25, -14.5], [-47.35, -14.75], [-47.32, -14.82], [-46.97, -14.97], [-46.75, -15.5], [-46.85, -15.75], [-46.75, -16.0], [-46.85, -16.25], [-46.8, -16.38], [-46.5, -16.25], [-46.25, -16.35], [-46.18, -16.32], [-46.03, -15.97], [-45.5, -15.75], [-44.97, -15.97], [-44.82, -16.32], [-44.75, -16.35], [-44.5, -16.25], [-43.97, -16.47], [-43.75, -17.0], [-43.85, -17.25], [-43.75, -17.5], [-43.85, -17.75], [-43.75, -18.0], [-43.85, -18.25], [-43.75, -18.5], [-43.85, -18.75], [-43.75, -19.0], [-43.85, -19.25], [-43.75, -19.5], [-43.97, -20.03], [-44.5, -20.25], [-44.75, -20.15], [-45.0, -20.25], [-45.25, -20.15], [-45.5, -20.25], [-46.03, -20.03], [-46.25, -19.5], [-46.15, -19.25], [-46.18, -19.18], [-46.25, -19.15], [-46.5, -19.25], [-47.03, -19.03], [-47.25, -18.5], [-47.15, -18.25], [-47.18, -18.18], [-47.53, -18.03], [-47.68, -17.68], [-48.03, -17.53], [-48.25, -17.0], [-48.15, -16.75], [-48.18, -16.68], [-48.53, -16.53], [-48.68, -16.18], [-49.03, -16.03], [-49.18, -15.68], [-49.25, -15.65], [-49.5, -15.75], [-50.03, -15.53]]]]}, "2017-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.03, -16.47], [-46.5, -16.25], [-46.25, -16.35], [-46.18, -16.32], [-46.03, -15.97], [-45.5, -15.75], [-44.97, -15.97], [-44.82, -16.32], [-44.47, -16.47], [-44.25, -17.0], [-44.47, -17.53], [-45.0, -17.75], [-45.25, -17.65], [-45.32, -17.68], [-45.47, -18.03], [-46.0, -18.25], [-46.53, -18.03], [-46.68, -17.68], [-47.03, -17.53], [-47.25, -17.0], [-47.03, -16.47]]], [[[-50.25, -15.0], [-50.03, -14.47], [-49.5, -14.25], [-49.25, -14.35], [-49.0, -14.25], [-48.75, -14.35], [-48.5, -14.25], [-47.97, -14.47], [-47.75, -15.0], [-47.85, -15.25], [-47.75, -15.5], [-47.97, -16.03], [-48.5, -16.25], [-49.03, -16.03], [-49.18, -15.68], [-49.25, -15.65], [-49.5, -15.75], [-50.03, -15.53], [-50.25, -15.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.533494058116219}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7175214564392633}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.722772138601044, 24.966565220729876, 24.771373614246556, 25.19924755119871, 25.61262149592352, 26.73183555963351]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.996809906466467, 27.43600688065419, 27.677943313233357, 27.39503508372178, 28.2065200597969, 28.056263093621112]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.556207745023452, 2.4176657380598865, 2.519873133204224, 2.790153578280696, 3.0268448725310724, 2.4421682743894224]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.956295828944633, 2.974985125169326, 3.408491006952829, 3.650059163755543, 4.533494058116219, 3.018970723661937]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4953298636616024, 1.5346568393144, 1.519392432946217, 1.743973197562695, 1.900919708723834, 1.7118545686110713]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6400251279380476, 1.8286105700665642, 1.964149258885468, 2.178494478550266, 2.5938650346283643, 1.9152733891885112]}}