{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:22.395980", "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": "2012-Aug-30_to_2012-Sep-05_310.0_-14.5"}, "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": 2012080003060}, "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 30 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 05 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 74743.72862572943}, "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", "South-American-Monsoon"]}, "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": -14.5}, "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": 310.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "310.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 307.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 311.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-50.53, -13.47], [-50.12, -13.3], [-50.25, -13.0], [-50.03, -12.47], [-49.5, -12.25], [-48.97, -12.47], [-48.75, -13.0], [-48.97, -13.53], [-49.37, -13.7], [-49.25, -14.0], [-49.35, -14.25], [-49.25, -14.5], [-49.47, -15.03], [-50.0, -15.25], [-50.53, -15.03], [-50.75, -14.5], [-50.65, -14.25], [-50.75, -14.0], [-50.53, -13.47]]]]}, "2012-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.15, -13.75], [-52.25, -13.5], [-52.03, -12.97], [-51.5, -12.75], [-51.25, -12.85], [-51.18, -12.82], [-51.03, -12.47], [-50.5, -12.25], [-50.0, -12.46], [-49.5, -12.25], [-48.97, -12.47], [-48.75, -13.0], [-48.85, -13.25], [-48.75, -13.5], [-48.85, -13.75], [-48.82, -13.82], [-48.47, -13.97], [-48.25, -14.5], [-48.47, -15.03], [-49.0, -15.25], [-49.25, -15.15], [-49.5, -15.25], [-49.75, -15.15], [-49.82, -15.18], [-49.85, -15.25], [-49.75, -15.5], [-49.97, -16.03], [-50.5, -16.25], [-51.03, -16.03], [-51.18, -15.68], [-51.53, -15.53], [-51.68, -15.18], [-52.03, -15.03], [-52.25, -14.5], [-52.15, -14.25], [-52.25, -14.0], [-52.15, -13.75]]]]}, "2012-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.15, -13.75], [-52.25, -13.5], [-52.03, -12.97], [-51.5, -12.75], [-51.25, -12.85], [-51.18, -12.82], [-51.03, -12.47], [-50.5, -12.25], [-50.0, -12.46], [-49.5, -12.25], [-48.97, -12.47], [-48.75, -13.0], [-48.85, -13.25], [-48.75, -13.5], [-48.85, -13.75], [-48.82, -13.82], [-48.47, -13.97], [-48.25, -14.5], [-48.47, -15.03], [-49.0, -15.25], [-49.25, -15.15], [-49.5, -15.25], [-49.75, -15.15], [-49.82, -15.18], [-49.85, -15.25], [-49.75, -15.5], [-49.85, -15.75], [-49.75, -16.0], [-49.97, -16.53], [-50.32, -16.68], [-50.47, -17.03], [-51.0, -17.25], [-51.53, -17.03], [-51.75, -16.5], [-51.53, -15.97], [-51.18, -15.82], [-51.15, -15.75], [-51.18, -15.68], [-51.53, -15.53], [-51.68, -15.18], [-52.03, -15.03], [-52.25, -14.5], [-52.15, -14.25], [-52.25, -14.0], [-52.15, -13.75]]]]}, "2012-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.15, -13.75], [-52.25, -13.5], [-52.03, -12.97], [-51.5, -12.75], [-51.25, -12.85], [-51.18, -12.82], [-51.03, -12.47], [-50.5, -12.25], [-49.97, -12.47], [-49.8, -12.88], [-49.5, -12.75], [-48.97, -12.97], [-48.75, -13.5], [-48.85, -13.75], [-48.82, -13.82], [-48.47, -13.97], [-48.25, -14.5], [-48.47, -15.03], [-49.0, -15.25], [-49.25, -15.15], [-49.5, -15.25], [-49.75, -15.15], [-49.82, -15.18], [-49.85, -15.25], [-49.75, -15.5], [-49.85, -15.75], [-49.75, -16.0], [-49.97, -16.53], [-50.32, -16.68], [-50.47, -17.03], [-51.0, -17.25], [-51.53, -17.03], [-51.75, -16.5], [-51.53, -15.97], [-51.18, -15.82], [-51.15, -15.75], [-51.18, -15.68], [-51.53, -15.53], [-51.68, -15.18], [-52.03, -15.03], [-52.25, -14.5], [-52.15, -14.25], [-52.25, -14.0], [-52.15, -13.75]]]]}, "2012-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.03, -16.47], [-52.5, -16.25], [-52.0, -16.46], [-51.68, -16.32], [-51.53, -15.97], [-51.18, -15.82], [-51.04, -15.5], [-51.25, -15.0], [-51.03, -14.47], [-50.68, -14.32], [-50.53, -13.97], [-50.0, -13.75], [-49.47, -13.97], [-49.25, -14.5], [-49.47, -15.03], [-49.82, -15.18], [-49.96, -15.5], [-49.75, -16.0], [-49.97, -16.53], [-50.32, -16.68], [-50.47, -17.03], [-50.82, -17.18], [-50.97, -17.53], [-51.32, -17.68], [-51.47, -18.03], [-52.0, -18.25], [-52.53, -18.03], [-52.68, -17.68], [-53.03, -17.53], [-53.25, -17.0], [-53.03, -16.47]]], [[[-52.03, -14.03], [-52.25, -13.5], [-52.03, -12.97], [-51.5, -12.75], [-50.97, -12.97], [-50.75, -13.5], [-50.97, -14.03], [-51.5, -14.25], [-52.03, -14.03]]]]}, "2012-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.25, -17.0], [-53.03, -16.47], [-52.5, -16.25], [-52.0, -16.46], [-51.68, -16.32], [-51.53, -15.97], [-51.18, -15.82], [-51.03, -15.47], [-50.5, -15.25], [-49.97, -15.47], [-49.75, -16.0], [-49.97, -16.53], [-50.32, -16.68], [-50.47, -17.03], [-50.82, -17.18], [-50.97, -17.53], [-51.32, -17.68], [-51.47, -18.03], [-52.0, -18.25], [-52.53, -18.03], [-52.68, -17.68], [-53.03, -17.53], [-53.25, -17.0]]]]}, "2012-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.25, -17.0], [-53.03, -16.47], [-52.5, -16.25], [-52.0, -16.46], [-51.68, -16.32], [-51.53, -15.97], [-51.18, -15.82], [-51.03, -15.47], [-50.5, -15.25], [-49.97, -15.47], [-49.75, -16.0], [-49.97, -16.53], [-50.32, -16.68], [-50.47, -17.03], [-50.82, -17.18], [-50.97, -17.53], [-51.32, -17.68], [-51.47, -18.03], [-52.0, -18.25], [-52.53, -18.03], [-52.68, -17.68], [-53.03, -17.53], [-53.25, -17.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.733338670104729}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8878450853248125}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.465781320677593, 30.94672440063283, 30.847739478595372, 30.84173099112661, 29.267498498932696, 28.448417275008694, 28.33942375109183]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.680143076081265, 32.338867610176806, 32.2624284196242, 32.318700927880684, 32.111206189223196, 30.80128922829698, 30.180426698441693]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.478982514829075, 1.787321661456943, 1.8334920087297244, 1.841776961916756, 2.03334996566241, 2.3929916140550405, 2.229941641155574]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5308087471460112, 2.2059093430783037, 2.733338670104729, 2.410099490876462, 2.50970177402246, 2.677290910616307, 2.582698552663203]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4034982977033745, 1.6230392561235871, 1.6004344506896053, 1.6063216719128643, 1.3032724351153702, 1.324428629276604, 1.2384869301429824]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4297586185897027, 1.9893094679423784, 2.2958628953213576, 2.16003719845032, 1.5923718134411489, 1.7485132405637247, 1.3305574562440696]}}