{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:24.278222", "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-Nov-26_to_2021-Nov-28_285.5_-6.5"}, "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": 2021110002340}, "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": "November 26 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 28 2021"}, "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": 110542.88217646467}, "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", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": -6.5}, "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": 285.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 287.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-11-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.25, -5.5], [-77.03, -4.97], [-76.5, -4.75], [-76.25, -4.85], [-76.0, -4.75], [-75.75, -4.85], [-75.68, -4.82], [-75.53, -4.47], [-75.0, -4.25], [-74.75, -4.35], [-74.5, -4.25], [-74.25, -4.35], [-74.0, -4.25], [-73.47, -4.47], [-73.25, -5.0], [-73.35, -5.25], [-73.32, -5.32], [-72.97, -5.47], [-72.82, -5.82], [-72.47, -5.97], [-72.32, -6.32], [-71.97, -6.47], [-71.75, -7.0], [-71.96, -7.5], [-71.75, -8.0], [-71.97, -8.53], [-72.5, -8.75], [-72.75, -8.65], [-73.0, -8.75], [-73.25, -8.65], [-73.5, -8.75], [-73.75, -8.65], [-74.0, -8.75], [-74.5, -8.54], [-75.0, -8.75], [-75.53, -8.53], [-75.75, -8.0], [-75.54, -7.5], [-75.68, -7.18], [-76.03, -7.03], [-76.18, -6.68], [-76.53, -6.53], [-76.68, -6.18], [-77.03, -6.03], [-77.25, -5.5]]]]}, "2021-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.25, -5.5], [-77.03, -4.97], [-76.5, -4.75], [-76.25, -4.85], [-76.0, -4.75], [-75.75, -4.85], [-75.68, -4.82], [-75.53, -4.47], [-75.0, -4.25], [-74.75, -4.35], [-74.5, -4.25], [-74.25, -4.35], [-74.0, -4.25], [-73.47, -4.47], [-73.25, -5.0], [-73.35, -5.25], [-73.32, -5.32], [-72.97, -5.47], [-72.82, -5.82], [-72.47, -5.97], [-72.32, -6.32], [-71.97, -6.47], [-71.75, -7.0], [-71.96, -7.5], [-71.75, -8.0], [-71.97, -8.53], [-72.5, -8.75], [-72.75, -8.65], [-73.0, -8.75], [-73.25, -8.65], [-73.5, -8.75], [-73.75, -8.65], [-74.0, -8.75], [-74.5, -8.54], [-75.0, -8.75], [-75.53, -8.53], [-75.75, -8.0], [-75.54, -7.5], [-75.68, -7.18], [-76.03, -7.03], [-76.18, -6.68], [-76.53, -6.53], [-76.68, -6.18], [-77.03, -6.03], [-77.25, -5.5]]]]}, "2021-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-77.25, -5.5], [-77.03, -4.97], [-76.5, -4.75], [-76.25, -4.85], [-76.0, -4.75], [-75.75, -4.85], [-75.68, -4.82], [-75.53, -4.47], [-75.0, -4.25], [-74.75, -4.35], [-74.5, -4.25], [-74.25, -4.35], [-74.0, -4.25], [-73.47, -4.47], [-73.25, -5.0], [-73.35, -5.25], [-73.32, -5.32], [-72.97, -5.47], [-72.82, -5.82], [-72.47, -5.97], [-72.32, -6.32], [-71.97, -6.47], [-71.75, -7.0], [-71.96, -7.5], [-71.75, -8.0], [-71.97, -8.53], [-72.5, -8.75], [-72.75, -8.65], [-73.0, -8.75], [-73.25, -8.65], [-73.5, -8.75], [-73.75, -8.65], [-74.0, -8.75], [-74.5, -8.54], [-75.0, -8.75], [-75.53, -8.53], [-75.75, -8.0], [-75.54, -7.5], [-75.68, -7.18], [-76.03, -7.03], [-76.18, -6.68], [-76.53, -6.53], [-76.68, -6.18], [-77.03, -6.03], [-77.25, -5.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9283380068590645}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9770607388018813}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.893667941463377, 28.6581523890207, 27.977535903591956]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.747587953536424, 29.58450692611615, 29.087206309410988]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6957680789797693, 2.4557613572576176, 1.7796527801682567]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.084110976355703, 2.9283380068590645, 2.4178047363996598]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.607835295552198, 2.3869341385481295, 1.7529236179350842]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.917575605704267, 2.876106599254026, 2.1745916857672927]}}