{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:12.081905", "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-Aug-07_to_2011-Aug-09_307.0_-22.0"}, "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": 2011080002157}, "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": "August 07 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 74815.50383078295}, "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", "Paraguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "South-American-Monsoon"]}, "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": -22.0}, "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": 307.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 302.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 307.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -21.5], [-58.03, -20.97], [-57.68, -20.82], [-57.65, -20.75], [-57.68, -20.68], [-58.03, -20.53], [-58.25, -20.0], [-58.03, -19.47], [-57.5, -19.25], [-56.97, -19.47], [-56.82, -19.82], [-56.47, -19.97], [-56.25, -20.5], [-56.35, -20.75], [-56.25, -21.0], [-56.03, -20.47], [-55.5, -20.25], [-55.25, -20.35], [-55.18, -20.32], [-55.15, -20.25], [-55.25, -20.0], [-55.03, -19.47], [-54.68, -19.32], [-54.53, -18.97], [-54.0, -18.75], [-53.47, -18.97], [-53.25, -19.5], [-53.46, -20.0], [-53.25, -20.5], [-53.35, -20.75], [-53.32, -20.82], [-52.97, -20.97], [-52.82, -21.32], [-52.47, -21.47], [-52.25, -22.0], [-52.47, -22.53], [-53.0, -22.75], [-53.5, -22.54], [-54.0, -22.75], [-54.53, -22.53], [-54.68, -22.18], [-54.8, -22.12], [-54.97, -22.53], [-55.32, -22.68], [-55.35, -22.75], [-55.32, -22.82], [-54.97, -22.97], [-54.75, -23.5], [-54.97, -24.03], [-55.5, -24.25], [-56.03, -24.03], [-56.18, -23.68], [-56.53, -23.53], [-56.68, -23.18], [-57.03, -23.03], [-57.18, -22.68], [-57.53, -22.53], [-57.68, -22.18], [-58.03, -22.03], [-58.25, -21.5]], [[-56.35, -21.25], [-56.3, -21.38], [-56.18, -21.32], [-56.15, -21.25], [-56.25, -21.0], [-56.35, -21.25]]]]}, "2011-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -21.5], [-58.03, -20.97], [-57.68, -20.82], [-57.65, -20.75], [-57.68, -20.68], [-58.03, -20.53], [-58.25, -20.0], [-58.03, -19.47], [-57.5, -19.25], [-56.97, -19.47], [-56.82, -19.82], [-56.47, -19.97], [-56.25, -20.5], [-56.35, -20.75], [-56.25, -21.0], [-56.03, -20.47], [-55.5, -20.25], [-55.25, -20.35], [-55.18, -20.32], [-55.15, -20.25], [-55.25, -20.0], [-55.03, -19.47], [-54.68, -19.32], [-54.53, -18.97], [-54.0, -18.75], [-53.47, -18.97], [-53.25, -19.5], [-53.46, -20.0], [-53.25, -20.5], [-53.35, -20.75], [-53.32, -20.82], [-52.97, -20.97], [-52.82, -21.32], [-52.47, -21.47], [-52.25, -22.0], [-52.47, -22.53], [-53.0, -22.75], [-53.5, -22.54], [-54.0, -22.75], [-54.53, -22.53], [-54.68, -22.18], [-54.8, -22.12], [-54.97, -22.53], [-55.32, -22.68], [-55.35, -22.75], [-55.32, -22.82], [-54.97, -22.97], [-54.75, -23.5], [-54.97, -24.03], [-55.5, -24.25], [-56.03, -24.03], [-56.18, -23.68], [-56.53, -23.53], [-56.68, -23.18], [-57.03, -23.03], [-57.18, -22.68], [-57.53, -22.53], [-57.68, -22.18], [-58.03, -22.03], [-58.25, -21.5]], [[-56.35, -21.25], [-56.3, -21.38], [-56.18, -21.32], [-56.15, -21.25], [-56.25, -21.0], [-56.35, -21.25]]]]}, "2011-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.25, -21.5], [-58.03, -20.97], [-57.68, -20.82], [-57.65, -20.75], [-57.68, -20.68], [-58.03, -20.53], [-58.25, -20.0], [-58.03, -19.47], [-57.5, -19.25], [-56.97, -19.47], [-56.82, -19.82], [-56.47, -19.97], [-56.25, -20.5], [-56.35, -20.75], [-56.25, -21.0], [-56.03, -20.47], [-55.5, -20.25], [-55.25, -20.35], [-55.18, -20.32], [-55.15, -20.25], [-55.25, -20.0], [-55.03, -19.47], [-54.68, -19.32], [-54.53, -18.97], [-54.0, -18.75], [-53.47, -18.97], [-53.25, -19.5], [-53.46, -20.0], [-53.25, -20.5], [-53.35, -20.75], [-53.32, -20.82], [-52.97, -20.97], [-52.82, -21.32], [-52.47, -21.47], [-52.25, -22.0], [-52.47, -22.53], [-53.0, -22.75], [-53.5, -22.54], [-54.0, -22.75], [-54.53, -22.53], [-54.68, -22.18], [-54.8, -22.12], [-54.97, -22.53], [-55.32, -22.68], [-55.35, -22.75], [-55.32, -22.82], [-54.97, -22.97], [-54.75, -23.5], [-54.97, -24.03], [-55.5, -24.25], [-56.03, -24.03], [-56.18, -23.68], [-56.53, -23.53], [-56.68, -23.18], [-57.03, -23.03], [-57.18, -22.68], [-57.53, -22.53], [-57.68, -22.18], [-58.03, -22.03], [-58.25, -21.5]], [[-56.35, -21.25], [-56.3, -21.38], [-56.18, -21.32], [-56.15, -21.25], [-56.25, -21.0], [-56.35, -21.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.002225594148456}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.206529555530837}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.46409582476724, 27.218727790036496, 26.750200754792957]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.16371984952883, 29.61857219227619, 29.4557149862743]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.9729383501873246, 5.657188866160462, 4.989461450244724]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.940460317408281, 8.002225594148456, 6.073335002037993]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2973022695193164, 1.4668446580951222, 1.315222251979192]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.634524877496202, 2.146960740809272, 1.593727533120142]}}