{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:31.505126", "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-Sep-24_to_2012-Sep-28_286.0_-44.0"}, "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": 2012090002530}, "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 24 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 28 2012"}, "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": 56206.21350947499}, "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.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": ["South Pacific Ocean"]}, "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": -44.0}, "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": 286.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "286.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -43.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -44.0], [-74.53, -43.47], [-74.0, -43.25], [-73.47, -43.47], [-73.32, -43.82], [-72.97, -43.97], [-72.75, -44.5], [-72.97, -45.03], [-73.5, -45.25], [-74.03, -45.03], [-74.18, -44.68], [-74.53, -44.53], [-74.75, -44.0]]]]}, "2012-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -44.97], [-71.68, -44.82], [-71.62, -44.7], [-72.03, -44.53], [-72.25, -44.0], [-72.03, -43.47], [-71.5, -43.25], [-70.97, -43.47], [-70.75, -44.0], [-70.87, -44.3], [-70.47, -44.47], [-70.25, -45.0], [-70.35, -45.25], [-70.25, -45.5], [-70.35, -45.75], [-70.25, -46.0], [-70.35, -46.25], [-70.25, -46.5], [-70.35, -46.75], [-70.25, -47.0], [-70.47, -47.53], [-71.0, -47.75], [-71.53, -47.53], [-71.75, -47.0], [-71.65, -46.75], [-71.75, -46.5], [-71.65, -46.25], [-71.68, -46.18], [-72.03, -46.03], [-72.25, -45.5], [-72.03, -44.97]]], [[[-74.53, -43.47], [-74.0, -43.25], [-73.47, -43.47], [-73.32, -43.82], [-73.25, -43.85], [-73.0, -43.75], [-72.47, -43.97], [-72.25, -44.5], [-72.47, -45.03], [-73.0, -45.25], [-73.25, -45.15], [-73.5, -45.25], [-74.03, -45.03], [-74.18, -44.68], [-74.53, -44.53], [-74.75, -44.0], [-74.53, -43.47]]]]}, "2012-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -44.0], [-74.53, -43.47], [-74.0, -43.25], [-73.47, -43.47], [-73.32, -43.82], [-73.25, -43.85], [-73.0, -43.75], [-72.47, -43.97], [-72.32, -44.32], [-72.25, -44.35], [-72.12, -44.3], [-72.25, -44.0], [-72.03, -43.47], [-71.5, -43.25], [-70.97, -43.47], [-70.82, -43.82], [-70.75, -43.85], [-70.5, -43.75], [-69.97, -43.97], [-69.82, -44.32], [-69.47, -44.47], [-69.32, -44.82], [-68.97, -44.97], [-68.75, -45.5], [-68.85, -45.75], [-68.75, -46.0], [-68.97, -46.53], [-69.5, -46.75], [-69.75, -46.65], [-69.82, -46.68], [-69.85, -46.75], [-69.75, -47.0], [-69.85, -47.25], [-69.75, -47.5], [-69.97, -48.03], [-70.5, -48.25], [-70.75, -48.15], [-71.0, -48.25], [-71.53, -48.03], [-71.68, -47.68], [-72.03, -47.53], [-72.25, -47.0], [-72.03, -46.47], [-71.68, -46.32], [-71.65, -46.25], [-71.68, -46.18], [-72.03, -46.03], [-72.18, -45.68], [-72.25, -45.65], [-72.5, -45.75], [-73.03, -45.53], [-73.18, -45.18], [-73.25, -45.15], [-73.5, -45.25], [-74.03, -45.03], [-74.18, -44.68], [-74.53, -44.53], [-74.75, -44.0]]]]}, "2012-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.75, -44.5], [-73.53, -43.97], [-73.0, -43.75], [-72.47, -43.97], [-72.32, -44.32], [-72.25, -44.35], [-72.12, -44.3], [-72.25, -44.0], [-72.03, -43.47], [-71.5, -43.25], [-70.97, -43.47], [-70.82, -43.82], [-70.75, -43.85], [-70.5, -43.75], [-69.97, -43.97], [-69.82, -44.32], [-69.47, -44.47], [-69.32, -44.82], [-68.97, -44.97], [-68.75, -45.5], [-68.85, -45.75], [-68.75, -46.0], [-68.97, -46.53], [-69.5, -46.75], [-69.75, -46.65], [-69.82, -46.68], [-69.85, -46.75], [-69.75, -47.0], [-69.85, -47.25], [-69.75, -47.5], [-69.97, -48.03], [-70.5, -48.25], [-70.75, -48.15], [-71.0, -48.25], [-71.53, -48.03], [-71.68, -47.68], [-72.03, -47.53], [-72.25, -47.0], [-72.03, -46.47], [-71.68, -46.32], [-71.65, -46.25], [-71.68, -46.18], [-72.03, -46.03], [-72.18, -45.68], [-72.25, -45.65], [-72.5, -45.75], [-73.03, -45.53], [-73.18, -45.18], [-73.53, -45.03], [-73.75, -44.5]]]]}, "2012-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.03, -45.53], [-73.25, -45.0], [-73.03, -44.47], [-72.5, -44.25], [-72.25, -44.35], [-72.0, -44.25], [-71.7, -44.38], [-71.53, -43.97], [-71.0, -43.75], [-70.75, -43.85], [-70.5, -43.75], [-69.97, -43.97], [-69.82, -44.32], [-69.47, -44.47], [-69.32, -44.82], [-68.97, -44.97], [-68.75, -45.5], [-68.85, -45.75], [-68.75, -46.0], [-68.97, -46.53], [-69.5, -46.75], [-69.75, -46.65], [-69.82, -46.68], [-69.85, -46.75], [-69.75, -47.0], [-69.85, -47.25], [-69.75, -47.5], [-69.97, -48.03], [-70.5, -48.25], [-70.75, -48.15], [-71.0, -48.25], [-71.53, -48.03], [-71.68, -47.68], [-72.03, -47.53], [-72.25, -47.0], [-72.03, -46.47], [-71.5, -46.25], [-71.25, -46.35], [-71.18, -46.32], [-71.15, -46.25], [-71.25, -46.0], [-71.15, -45.75], [-71.25, -45.5], [-71.15, -45.25], [-71.18, -45.18], [-71.3, -45.12], [-71.47, -45.53], [-72.0, -45.75], [-72.25, -45.65], [-72.5, -45.75], [-73.03, -45.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.181522463951865}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.6863948155571853}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [10.031949707625472, 9.030509879856083, 10.452484104009216, 10.599310109674093, 10.211055399907082]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.153495082087147, 12.082571802446068, 14.074894281363868, 15.028607886712905, 13.753962598829332]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.319794544183594, 2.8953243291326713, 3.8906788109644594, 4.133857329980541, 3.4860078261596943]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3588215359483797, 3.6412401857560326, 5.329506328964726, 6.181522463951865, 4.4983131239388285]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3318241697893973, 1.7347497364009137, 1.7600051543157162, 1.68371939289088, 1.347589293639348]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3875781713017976, 3.3517731344661943, 2.5163999099270264, 2.157022795553704, 1.5845842361270268]}}