{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:40.891133", "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-Sep-05_to_2010-Sep-09_288.0_-41.0"}, "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": 2010090001743}, "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": "September 05 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 09 2010"}, "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": 60866.44544033486}, "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", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": -41.0}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 287.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -46.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.0, -40.25], [-71.47, -40.47], [-71.25, -41.0], [-71.47, -41.53], [-72.0, -41.75], [-72.53, -41.53], [-72.75, -41.0], [-72.53, -40.47], [-72.0, -40.25]]]]}, "2010-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.53, -40.47], [-72.0, -40.25], [-71.47, -40.47], [-71.32, -40.82], [-70.97, -40.97], [-70.75, -41.5], [-70.85, -41.75], [-70.75, -42.0], [-70.85, -42.25], [-70.75, -42.5], [-70.97, -43.03], [-71.37, -43.2], [-71.25, -43.5], [-71.47, -44.03], [-72.0, -44.25], [-72.53, -44.03], [-72.75, -43.5], [-72.53, -42.97], [-72.12, -42.8], [-72.18, -42.68], [-72.53, -42.53], [-72.75, -42.0], [-72.54, -41.5], [-72.75, -41.0], [-72.53, -40.47]]]]}, "2010-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.15, -45.75], [-73.25, -45.5], [-73.15, -45.25], [-73.25, -45.0], [-73.15, -44.75], [-73.25, -44.5], [-73.15, -44.25], [-73.25, -44.0], [-73.04, -43.5], [-73.25, -43.0], [-73.15, -42.75], [-73.25, -42.5], [-73.04, -42.0], [-73.25, -41.5], [-73.15, -41.25], [-73.25, -41.0], [-73.15, -40.75], [-73.25, -40.5], [-73.03, -39.97], [-72.5, -39.75], [-71.97, -39.97], [-71.82, -40.32], [-71.5, -40.46], [-71.0, -40.25], [-70.47, -40.47], [-70.25, -41.0], [-70.47, -41.53], [-70.82, -41.68], [-70.85, -41.75], [-70.75, -42.0], [-70.85, -42.25], [-70.75, -42.5], [-70.87, -42.8], [-70.47, -42.97], [-70.25, -43.5], [-70.47, -44.03], [-70.82, -44.18], [-70.97, -44.53], [-71.32, -44.68], [-71.35, -44.75], [-71.25, -45.0], [-71.47, -45.53], [-71.82, -45.68], [-71.85, -45.75], [-71.75, -46.0], [-71.85, -46.25], [-71.75, -46.5], [-71.97, -47.03], [-72.5, -47.25], [-73.03, -47.03], [-73.25, -46.5], [-73.15, -46.25], [-73.25, -46.0], [-73.15, -45.75]]]]}, "2010-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.15, -45.75], [-73.25, -45.5], [-73.15, -45.25], [-73.25, -45.0], [-73.15, -44.75], [-73.25, -44.5], [-73.15, -44.25], [-73.25, -44.0], [-73.04, -43.5], [-73.25, -43.0], [-73.15, -42.75], [-73.25, -42.5], [-73.04, -42.0], [-73.25, -41.5], [-73.15, -41.25], [-73.25, -41.0], [-73.15, -40.75], [-73.25, -40.5], [-73.03, -39.97], [-72.5, -39.75], [-71.97, -39.97], [-71.82, -40.32], [-71.5, -40.46], [-71.0, -40.25], [-70.47, -40.47], [-70.25, -41.0], [-70.47, -41.53], [-70.82, -41.68], [-70.85, -41.75], [-70.75, -42.0], [-70.85, -42.25], [-70.75, -42.5], [-70.87, -42.8], [-70.47, -42.97], [-70.25, -43.5], [-70.47, -44.03], [-70.82, -44.18], [-70.97, -44.53], [-71.32, -44.68], [-71.35, -44.75], [-71.25, -45.0], [-71.47, -45.53], [-71.82, -45.68], [-71.85, -45.75], [-71.75, -46.0], [-71.85, -46.25], [-71.75, -46.5], [-71.97, -47.03], [-72.5, -47.25], [-73.03, -47.03], [-73.25, -46.5], [-73.15, -46.25], [-73.25, -46.0], [-73.15, -45.75]]]]}, "2010-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.15, -45.75], [-73.25, -45.5], [-73.15, -45.25], [-73.25, -45.0], [-73.15, -44.75], [-73.25, -44.5], [-73.15, -44.25], [-73.25, -44.0], [-73.04, -43.5], [-73.25, -43.0], [-73.15, -42.75], [-73.25, -42.5], [-73.04, -42.0], [-73.25, -41.5], [-73.15, -41.25], [-73.25, -41.0], [-73.15, -40.75], [-73.25, -40.5], [-73.03, -39.97], [-72.5, -39.75], [-71.97, -39.97], [-71.82, -40.32], [-71.5, -40.46], [-71.0, -40.25], [-70.47, -40.47], [-70.25, -41.0], [-70.47, -41.53], [-70.82, -41.68], [-70.85, -41.75], [-70.75, -42.0], [-70.85, -42.25], [-70.75, -42.5], [-70.87, -42.8], [-70.47, -42.97], [-70.25, -43.5], [-70.47, -44.03], [-70.82, -44.18], [-70.97, -44.53], [-71.32, -44.68], [-71.35, -44.75], [-71.25, -45.0], [-71.47, -45.53], [-71.82, -45.68], [-71.85, -45.75], [-71.75, -46.0], [-71.85, -46.25], [-71.75, -46.5], [-71.97, -47.03], [-72.5, -47.25], [-73.03, -47.03], [-73.25, -46.5], [-73.15, -46.25], [-73.25, -46.0], [-73.15, -45.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4748663201805243}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.783577940527093}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.0399487416823945, 4.2571802457760555, 5.18329071274411, 4.997533476596914, 5.084220770060824]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [4.0399487416823945, 4.935856451551672, 9.711143757997093, 9.952404192435438, 9.18626058046243]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7397475023170728, 2.768313974159961, 2.919634842757074, 2.7063255556633368, 2.7297887652502313]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7397475023170728, 3.4748663201805243, 3.429506787508558, 3.374670988731566, 3.107222866119912]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5593636081639928, 1.4531974390444564, 1.5766003417026206, 1.5147749334520113, 1.5179323468909933]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5593636081639928, 1.5927994731508088, 1.9328854200646233, 1.8685453756418793, 1.8490058735884707]}}