{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:21.393302", "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-Feb-27_to_2017-Mar-02_291.5_-30.0"}, "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": 2017020002329}, "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": "February 27 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 02 2017"}, "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": 55410.46825041238}, "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": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "S.W.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": -30.0}, "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": 291.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 292.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -33.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.25, -32.5], [-69.15, -32.25], [-69.25, -32.0], [-69.15, -31.75], [-69.25, -31.5], [-69.03, -30.97], [-68.5, -30.75], [-67.97, -30.97], [-67.82, -31.32], [-67.47, -31.47], [-67.25, -32.0], [-67.47, -32.53], [-67.82, -32.68], [-67.85, -32.75], [-67.75, -33.0], [-67.97, -33.53], [-68.32, -33.68], [-68.47, -34.03], [-69.0, -34.25], [-69.53, -34.03], [-69.75, -33.5], [-69.53, -32.97], [-69.18, -32.82], [-69.15, -32.75], [-69.25, -32.5]]]]}, "2017-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.15, -31.25], [-70.25, -31.0], [-70.03, -30.47], [-69.68, -30.32], [-69.53, -29.97], [-69.18, -29.82], [-69.03, -29.47], [-68.5, -29.25], [-68.0, -29.46], [-67.5, -29.25], [-66.97, -29.47], [-66.75, -30.0], [-66.85, -30.25], [-66.75, -30.5], [-66.85, -30.75], [-66.75, -31.0], [-66.85, -31.25], [-66.75, -31.5], [-66.97, -32.03], [-67.32, -32.18], [-67.47, -32.53], [-67.82, -32.68], [-67.85, -32.75], [-67.75, -33.0], [-67.97, -33.53], [-68.32, -33.68], [-68.47, -34.03], [-69.0, -34.25], [-69.53, -34.03], [-69.75, -33.5], [-69.53, -32.97], [-69.18, -32.82], [-69.15, -32.75], [-69.18, -32.68], [-69.25, -32.65], [-69.5, -32.75], [-70.03, -32.53], [-70.25, -32.0], [-70.15, -31.75], [-70.25, -31.5], [-70.15, -31.25]]]]}, "2017-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.15, -31.25], [-70.25, -31.0], [-70.03, -30.47], [-69.68, -30.32], [-69.53, -29.97], [-69.18, -29.82], [-69.03, -29.47], [-68.5, -29.25], [-68.0, -29.46], [-67.5, -29.25], [-66.97, -29.47], [-66.75, -30.0], [-66.85, -30.25], [-66.75, -30.5], [-66.85, -30.75], [-66.75, -31.0], [-66.85, -31.25], [-66.75, -31.5], [-66.97, -32.03], [-67.32, -32.18], [-67.47, -32.53], [-67.82, -32.68], [-67.85, -32.75], [-67.75, -33.0], [-67.97, -33.53], [-68.32, -33.68], [-68.47, -34.03], [-69.0, -34.25], [-69.53, -34.03], [-69.75, -33.5], [-69.53, -32.97], [-69.18, -32.82], [-69.15, -32.75], [-69.18, -32.68], [-69.25, -32.65], [-69.5, -32.75], [-70.03, -32.53], [-70.25, -32.0], [-70.15, -31.75], [-70.25, -31.5], [-70.15, -31.25]]]]}, "2017-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.15, -31.25], [-70.25, -31.0], [-70.03, -30.47], [-69.68, -30.32], [-69.53, -29.97], [-69.18, -29.82], [-69.03, -29.47], [-68.5, -29.25], [-68.0, -29.46], [-67.5, -29.25], [-66.97, -29.47], [-66.75, -30.0], [-66.85, -30.25], [-66.75, -30.5], [-66.85, -30.75], [-66.75, -31.0], [-66.85, -31.25], [-66.75, -31.5], [-66.97, -32.03], [-67.5, -32.25], [-68.03, -32.03], [-68.18, -31.68], [-68.25, -31.65], [-68.32, -31.68], [-68.35, -31.75], [-68.25, -32.0], [-68.47, -32.53], [-69.0, -32.75], [-69.25, -32.65], [-69.5, -32.75], [-70.03, -32.53], [-70.25, -32.0], [-70.15, -31.75], [-70.25, -31.5], [-70.15, -31.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.774869752985012}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.624779623919981}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.762150396385607, 24.988241348249915, 24.696208289352512, 23.543036766652506]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.275874987949976, 30.77337212277257, 29.386710790913924, 29.625821507085334]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.17572087242965, 4.824786433655447, 4.513459434125707, 4.680241856598442]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.875877999960608, 6.056378551603814, 5.895967996507636, 6.774869752985012]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3308654889376819, 1.6638170183120038, 1.652570152401567, 1.8779928418440186]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.569945865705343, 2.0436063132966025, 2.030961435875511, 2.589544284956946]}}