{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:35:06.820531", "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": "2023-Apr-27_to_2023-May-01_293.0_-26.5"}, "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": 2023040002604}, "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": "April 27 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 01 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 67990.69827818834}, "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": -26.5}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 290.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-04-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.03, -28.97], [-68.5, -28.75], [-67.97, -28.97], [-67.75, -29.5], [-67.85, -29.75], [-67.75, -30.0], [-67.97, -30.53], [-68.5, -30.75], [-69.03, -30.53], [-69.25, -30.0], [-69.15, -29.75], [-69.25, -29.5], [-69.03, -28.97]]]]}, "2023-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.25, -29.0], [-69.03, -28.47], [-68.68, -28.32], [-68.53, -27.97], [-68.18, -27.82], [-68.15, -27.75], [-68.25, -27.5], [-68.15, -27.25], [-68.25, -27.0], [-68.03, -26.47], [-67.68, -26.32], [-67.53, -25.97], [-67.0, -25.75], [-66.47, -25.97], [-66.32, -26.32], [-66.25, -26.35], [-66.0, -26.25], [-65.47, -26.47], [-65.25, -27.0], [-65.35, -27.25], [-65.25, -27.5], [-65.47, -28.03], [-66.0, -28.25], [-66.25, -28.15], [-66.37, -28.2], [-66.25, -28.5], [-66.35, -28.75], [-66.25, -29.0], [-66.47, -29.53], [-66.82, -29.68], [-66.97, -30.03], [-67.32, -30.18], [-67.47, -30.53], [-68.0, -30.75], [-68.25, -30.65], [-68.5, -30.75], [-68.75, -30.65], [-69.0, -30.75], [-69.53, -30.53], [-69.75, -30.0], [-69.53, -29.47], [-69.18, -29.32], [-69.15, -29.25], [-69.25, -29.0]]]]}, "2023-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.18, -29.18], [-69.53, -29.03], [-69.75, -28.5], [-69.53, -27.97], [-69.0, -27.75], [-68.7, -27.88], [-68.53, -27.47], [-68.18, -27.32], [-68.15, -27.25], [-68.25, -27.0], [-68.03, -26.47], [-67.68, -26.32], [-67.53, -25.97], [-67.0, -25.75], [-66.47, -25.97], [-66.32, -26.32], [-66.25, -26.35], [-66.0, -26.25], [-65.47, -26.47], [-65.25, -27.0], [-65.35, -27.25], [-65.25, -27.5], [-65.47, -28.03], [-66.0, -28.25], [-66.25, -28.15], [-66.37, -28.2], [-66.25, -28.5], [-66.35, -28.75], [-66.25, -29.0], [-66.47, -29.53], [-66.82, -29.68], [-66.97, -30.03], [-67.32, -30.18], [-67.47, -30.53], [-68.0, -30.75], [-68.25, -30.65], [-68.5, -30.75], [-68.75, -30.65], [-69.0, -30.75], [-69.53, -30.53], [-69.75, -30.0], [-69.53, -29.47], [-69.18, -29.32], [-69.15, -29.25], [-69.18, -29.18]]]]}, "2023-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.18, -29.18], [-69.53, -29.03], [-69.75, -28.5], [-69.53, -27.97], [-69.0, -27.75], [-68.7, -27.88], [-68.53, -27.47], [-68.18, -27.32], [-68.15, -27.25], [-68.25, -27.0], [-68.03, -26.47], [-67.68, -26.32], [-67.53, -25.97], [-67.0, -25.75], [-66.47, -25.97], [-66.32, -26.32], [-66.25, -26.35], [-66.0, -26.25], [-65.47, -26.47], [-65.25, -27.0], [-65.35, -27.25], [-65.25, -27.5], [-65.47, -28.03], [-66.0, -28.25], [-66.25, -28.15], [-66.37, -28.2], [-66.25, -28.5], [-66.35, -28.75], [-66.25, -29.0], [-66.47, -29.53], [-66.82, -29.68], [-66.97, -30.03], [-67.32, -30.18], [-67.47, -30.53], [-68.0, -30.75], [-68.25, -30.65], [-68.5, -30.75], [-68.75, -30.65], [-69.0, -30.75], [-69.53, -30.53], [-69.75, -30.0], [-69.53, -29.47], [-69.18, -29.32], [-69.15, -29.25], [-69.18, -29.18]]]]}, "2023-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.12, -27.3], [-68.25, -27.0], [-68.03, -26.47], [-67.68, -26.32], [-67.53, -25.97], [-67.0, -25.75], [-66.47, -25.97], [-66.25, -26.5], [-66.47, -27.03], [-66.82, -27.18], [-66.97, -27.53], [-67.37, -27.7], [-67.25, -28.0], [-67.47, -28.53], [-68.0, -28.75], [-68.3, -28.62], [-68.47, -29.03], [-69.0, -29.25], [-69.53, -29.03], [-69.75, -28.5], [-69.53, -27.97], [-69.0, -27.75], [-68.7, -27.88], [-68.53, -27.47], [-68.12, -27.3]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.835796786790183}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.981691410292609}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.558989899174435, 16.07102228565509, 16.40086263244757, 15.767539503269802, 7.990471365022074]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.990672422235093, 20.383894670245525, 21.771000592837765, 22.430045496948367, 9.63013822772001]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.099396181163229, 4.468221382573932, 5.5866690500323894, 5.118254885458036, 3.740659716082149]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.2138340283468665, 6.089864787760575, 7.835796786790183, 7.469836110438052, 4.1681397282333705]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3043872387066977, 1.5326872951177355, 1.876117095851561, 1.6746023586806076, 1.406653801301381]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3174088625927085, 1.8258062476615176, 2.350486283922986, 2.1619124432640704, 1.6666699033152483]}}