{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:08.576583", "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": "2021-Aug-22_to_2021-Aug-25_302.5_8.0"}, "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": 2021080002628}, "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 22 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 25 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 95037.37510476736}, "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": ["Suriname"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": ["North Atlantic 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": 8.0}, "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": 302.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 301.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 305.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.75, 8.0], [-58.53, 8.53], [-58.0, 8.75], [-57.75, 8.65], [-57.5, 8.75], [-57.25, 8.65], [-57.0, 8.75], [-56.75, 8.65], [-56.5, 8.75], [-55.97, 8.53], [-55.82, 8.18], [-55.75, 8.15], [-55.5, 8.25], [-55.25, 8.15], [-55.0, 8.25], [-54.75, 8.15], [-54.5, 8.25], [-53.97, 8.03], [-53.75, 7.5], [-53.97, 6.97], [-54.5, 6.75], [-54.75, 6.85], [-55.0, 6.75], [-55.25, 6.85], [-55.32, 6.82], [-55.47, 6.47], [-56.0, 6.25], [-56.25, 6.35], [-56.5, 6.25], [-56.75, 6.35], [-57.0, 6.25], [-57.25, 6.35], [-57.5, 6.25], [-58.03, 6.47], [-58.25, 7.0], [-58.15, 7.25], [-58.18, 7.32], [-58.53, 7.47], [-58.75, 8.0]]]]}, "2021-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.53, 9.03], [-58.0, 9.25], [-57.75, 9.15], [-57.5, 9.25], [-57.25, 9.15], [-57.0, 9.25], [-56.75, 9.15], [-56.5, 9.25], [-55.97, 9.03], [-55.82, 8.68], [-55.75, 8.65], [-55.5, 8.75], [-55.25, 8.65], [-55.0, 8.75], [-54.47, 8.53], [-54.32, 8.18], [-53.97, 8.03], [-53.75, 7.5], [-53.97, 6.97], [-54.32, 6.82], [-54.47, 6.47], [-54.87, 6.3], [-54.82, 6.18], [-54.47, 6.03], [-54.25, 5.5], [-54.47, 4.97], [-55.0, 4.75], [-55.25, 4.85], [-55.5, 4.75], [-55.75, 4.85], [-56.0, 4.75], [-56.53, 4.97], [-56.75, 5.5], [-56.65, 5.75], [-56.68, 5.82], [-57.03, 5.97], [-57.18, 6.32], [-57.25, 6.35], [-57.5, 6.25], [-58.03, 6.47], [-58.25, 7.0], [-58.15, 7.25], [-58.18, 7.32], [-58.53, 7.47], [-58.75, 8.0], [-58.65, 8.25], [-58.75, 8.5], [-58.53, 9.03]]]]}, "2021-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.53, 9.03], [-58.0, 9.25], [-57.75, 9.15], [-57.5, 9.25], [-57.25, 9.15], [-57.0, 9.25], [-56.75, 9.15], [-56.5, 9.25], [-55.97, 9.03], [-55.82, 8.68], [-55.75, 8.65], [-55.5, 8.75], [-55.25, 8.65], [-55.0, 8.75], [-54.47, 8.53], [-54.32, 8.18], [-53.97, 8.03], [-53.75, 7.5], [-53.97, 6.97], [-54.32, 6.82], [-54.47, 6.47], [-54.87, 6.3], [-54.82, 6.18], [-54.47, 6.03], [-54.25, 5.5], [-54.47, 4.97], [-55.0, 4.75], [-55.25, 4.85], [-55.5, 4.75], [-55.75, 4.85], [-56.0, 4.75], [-56.53, 4.97], [-56.75, 5.5], [-56.65, 5.75], [-56.68, 5.82], [-57.03, 5.97], [-57.18, 6.32], [-57.25, 6.35], [-57.5, 6.25], [-58.03, 6.47], [-58.25, 7.0], [-58.15, 7.25], [-58.18, 7.32], [-58.53, 7.47], [-58.75, 8.0], [-58.65, 8.25], [-58.75, 8.5], [-58.53, 9.03]]]]}, "2021-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.53, 9.03], [-58.0, 9.25], [-57.75, 9.15], [-57.5, 9.25], [-57.25, 9.15], [-57.0, 9.25], [-56.75, 9.15], [-56.5, 9.25], [-55.97, 9.03], [-55.82, 8.68], [-55.75, 8.65], [-55.5, 8.75], [-55.25, 8.65], [-55.0, 8.75], [-54.47, 8.53], [-54.32, 8.18], [-53.97, 8.03], [-53.75, 7.5], [-53.97, 6.97], [-54.32, 6.82], [-54.47, 6.47], [-54.87, 6.3], [-54.82, 6.18], [-54.47, 6.03], [-54.25, 5.5], [-54.47, 4.97], [-55.0, 4.75], [-55.25, 4.85], [-55.5, 4.75], [-55.75, 4.85], [-56.0, 4.75], [-56.53, 4.97], [-56.75, 5.5], [-56.65, 5.75], [-56.68, 5.82], [-57.03, 5.97], [-57.18, 6.32], [-57.25, 6.35], [-57.5, 6.25], [-58.03, 6.47], [-58.25, 7.0], [-58.15, 7.25], [-58.18, 7.32], [-58.53, 7.47], [-58.75, 8.0], [-58.65, 8.25], [-58.75, 8.5], [-58.53, 9.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.4315054893903039}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9882836716361523}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.975786028737843, 28.052487167171876, 28.154807939961472, 28.194787596751155]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.100464303718354, 28.428706782807865, 28.58478796162916, 28.496547295181188]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8437392279581294, 0.9584876278448361, 1.0360682434257418, 1.0402360034820834]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0090728589372588, 1.2806005251537727, 1.4315054893903039, 1.3718883539884246]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.502877717620271, 1.6688414040288038, 1.8079459567447334, 1.8356102649067687]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6323180235716914, 2.0423517392908197, 2.2486006189970444, 2.0696502887034653]}}