{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:05.253215", "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": "2011-Mar-23_to_2011-Mar-27_307.5_-24.5"}, "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": 2011030002333}, "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": "March 23 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 27 2011"}, "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": 122996.78442380382}, "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": ["S.E.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": -24.5}, "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": 307.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 305.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 309.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.53, -26.47], [-53.0, -26.25], [-52.75, -26.35], [-52.5, -26.25], [-52.25, -26.35], [-52.0, -26.25], [-51.47, -26.47], [-51.25, -27.0], [-51.47, -27.53], [-51.82, -27.68], [-51.97, -28.03], [-52.5, -28.25], [-52.75, -28.15], [-53.0, -28.25], [-53.53, -28.03], [-53.75, -27.5], [-53.65, -27.25], [-53.75, -27.0], [-53.53, -26.47]]]]}, "2011-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.65, -26.75], [-53.75, -26.5], [-53.65, -26.25], [-53.75, -26.0], [-53.65, -25.75], [-53.75, -25.5], [-53.53, -24.97], [-53.18, -24.82], [-53.15, -24.75], [-53.25, -24.5], [-53.03, -23.97], [-52.5, -23.75], [-51.97, -23.97], [-51.75, -24.5], [-51.85, -24.75], [-51.82, -24.82], [-51.75, -24.85], [-51.5, -24.75], [-50.97, -24.97], [-50.82, -25.32], [-50.47, -25.47], [-50.25, -26.0], [-50.35, -26.25], [-50.25, -26.5], [-50.35, -26.75], [-50.25, -27.0], [-50.47, -27.53], [-51.0, -27.75], [-51.25, -27.65], [-51.5, -27.75], [-51.75, -27.65], [-51.82, -27.68], [-51.97, -28.03], [-52.5, -28.25], [-52.75, -28.15], [-53.0, -28.25], [-53.53, -28.03], [-53.75, -27.5], [-53.65, -27.25], [-53.75, -27.0], [-53.65, -26.75]]]]}, "2011-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -23.5], [-55.03, -22.97], [-54.5, -22.75], [-53.97, -22.97], [-53.82, -23.32], [-53.75, -23.35], [-53.68, -23.32], [-53.53, -22.97], [-53.0, -22.75], [-52.75, -22.85], [-52.5, -22.75], [-52.25, -22.85], [-52.0, -22.75], [-51.75, -22.85], [-51.5, -22.75], [-50.97, -22.97], [-50.82, -23.32], [-50.47, -23.47], [-50.25, -24.0], [-50.35, -24.25], [-50.32, -24.32], [-49.97, -24.47], [-49.75, -25.0], [-49.97, -25.53], [-50.37, -25.7], [-50.25, -26.0], [-50.35, -26.25], [-50.25, -26.5], [-50.35, -26.75], [-50.25, -27.0], [-50.47, -27.53], [-51.0, -27.75], [-51.25, -27.65], [-51.5, -27.75], [-51.75, -27.65], [-51.82, -27.68], [-51.97, -28.03], [-52.5, -28.25], [-52.75, -28.15], [-53.0, -28.25], [-53.53, -28.03], [-53.75, -27.5], [-53.65, -27.25], [-53.75, -27.0], [-53.65, -26.75], [-53.75, -26.5], [-53.65, -26.25], [-53.68, -26.18], [-53.75, -26.15], [-54.0, -26.25], [-54.53, -26.03], [-54.75, -25.5], [-54.53, -24.97], [-54.18, -24.82], [-54.15, -24.75], [-54.18, -24.68], [-54.53, -24.53], [-54.68, -24.18], [-55.03, -24.03], [-55.25, -23.5]]]]}, "2011-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -23.5], [-55.03, -22.97], [-54.5, -22.75], [-53.97, -22.97], [-53.82, -23.32], [-53.75, -23.35], [-53.68, -23.32], [-53.53, -22.97], [-53.0, -22.75], [-52.75, -22.85], [-52.5, -22.75], [-52.25, -22.85], [-52.0, -22.75], [-51.75, -22.85], [-51.5, -22.75], [-50.97, -22.97], [-50.82, -23.32], [-50.47, -23.47], [-50.25, -24.0], [-50.35, -24.25], [-50.32, -24.32], [-49.97, -24.47], [-49.75, -25.0], [-49.97, -25.53], [-50.37, -25.7], [-50.25, -26.0], [-50.35, -26.25], [-50.25, -26.5], [-50.35, -26.75], [-50.25, -27.0], [-50.47, -27.53], [-51.0, -27.75], [-51.25, -27.65], [-51.5, -27.75], [-51.75, -27.65], [-51.82, -27.68], [-51.97, -28.03], [-52.5, -28.25], [-53.03, -28.03], [-53.18, -27.68], [-53.53, -27.53], [-53.75, -27.0], [-53.65, -26.75], [-53.75, -26.5], [-53.65, -26.25], [-53.68, -26.18], [-53.75, -26.15], [-54.0, -26.25], [-54.53, -26.03], [-54.75, -25.5], [-54.53, -24.97], [-54.18, -24.82], [-54.15, -24.75], [-54.18, -24.68], [-54.53, -24.53], [-54.68, -24.18], [-55.03, -24.03], [-55.25, -23.5]]]]}, "2011-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-55.25, -23.5], [-55.03, -22.97], [-54.5, -22.75], [-53.97, -22.97], [-53.82, -23.32], [-53.75, -23.35], [-53.68, -23.32], [-53.53, -22.97], [-53.0, -22.75], [-52.75, -22.85], [-52.5, -22.75], [-52.25, -22.85], [-52.0, -22.75], [-51.75, -22.85], [-51.5, -22.75], [-50.97, -22.97], [-50.82, -23.32], [-50.47, -23.47], [-50.25, -24.0], [-50.35, -24.25], [-50.32, -24.32], [-49.97, -24.47], [-49.75, -25.0], [-49.97, -25.53], [-50.5, -25.75], [-51.03, -25.53], [-51.18, -25.18], [-51.25, -25.15], [-51.32, -25.18], [-51.35, -25.25], [-51.25, -25.5], [-51.47, -26.03], [-52.0, -26.25], [-52.25, -26.15], [-52.5, -26.25], [-52.75, -26.15], [-53.0, -26.25], [-53.25, -26.15], [-53.5, -26.25], [-53.75, -26.15], [-54.0, -26.25], [-54.53, -26.03], [-54.75, -25.5], [-54.53, -24.97], [-54.18, -24.82], [-54.15, -24.75], [-54.18, -24.68], [-54.53, -24.53], [-54.68, -24.18], [-55.03, -24.03], [-55.25, -23.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.506277752245069}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7602891414705115}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.496364466696605, 22.62022052965449, 24.19494558952283, 25.125729055694137, 24.90836740604567]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.79850058538608, 24.854752727246648, 27.168879301633808, 28.640882465115965, 27.310230837591178]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.256089422752768, 2.1815319399891373, 2.559919553937927, 3.52820383204427, 2.419961640808357]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.425912850044199, 2.7487953211938247, 3.1978364232785452, 4.506277752245069, 3.043699272742174]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.282824336935228, 1.39330314739665, 1.675435221873949, 2.207338337103803, 1.4827944393180392]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3625486952039978, 1.5604960851199579, 2.134348460117476, 2.720174308757661, 2.0024363856181298]}}