{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:39.740905", "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": "2024-Apr-09_to_2024-Apr-12_312.5_-3.5"}, "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": 2024040001194}, "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": "April 09 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 12 2024"}, "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": 55441.55900475262}, "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": ["N.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": -3.5}, "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": 312.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 311.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 314.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.5, -2.75], [-46.97, -2.97], [-46.75, -3.5], [-46.97, -4.03], [-47.5, -4.25], [-48.03, -4.03], [-48.25, -3.5], [-48.03, -2.97], [-47.5, -2.75]]]]}, "2024-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.53, -2.97], [-48.0, -2.75], [-47.75, -2.85], [-47.5, -2.75], [-46.97, -2.97], [-46.82, -3.32], [-46.47, -3.47], [-46.32, -3.82], [-45.97, -3.97], [-45.82, -4.32], [-45.47, -4.47], [-45.25, -5.0], [-45.35, -5.25], [-45.25, -5.5], [-45.47, -6.03], [-45.82, -6.18], [-45.97, -6.53], [-46.5, -6.75], [-47.03, -6.53], [-47.18, -6.18], [-47.25, -6.15], [-47.5, -6.25], [-47.75, -6.15], [-48.0, -6.25], [-48.53, -6.03], [-48.75, -5.5], [-48.53, -4.97], [-48.18, -4.82], [-48.15, -4.75], [-48.18, -4.68], [-48.53, -4.53], [-48.75, -4.0], [-48.65, -3.75], [-48.75, -3.5], [-48.53, -2.97]]]]}, "2024-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.53, -2.97], [-48.0, -2.75], [-47.75, -2.85], [-47.5, -2.75], [-46.97, -2.97], [-46.82, -3.32], [-46.47, -3.47], [-46.32, -3.82], [-45.97, -3.97], [-45.82, -4.32], [-45.47, -4.47], [-45.25, -5.0], [-45.35, -5.25], [-45.25, -5.5], [-45.47, -6.03], [-45.82, -6.18], [-45.97, -6.53], [-46.5, -6.75], [-47.03, -6.53], [-47.18, -6.18], [-47.25, -6.15], [-47.5, -6.25], [-47.75, -6.15], [-48.0, -6.25], [-48.53, -6.03], [-48.75, -5.5], [-48.53, -4.97], [-48.18, -4.82], [-48.15, -4.75], [-48.18, -4.68], [-48.53, -4.53], [-48.75, -4.0], [-48.65, -3.75], [-48.75, -3.5], [-48.53, -2.97]]]]}, "2024-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-48.53, -2.97], [-48.0, -2.75], [-47.75, -2.85], [-47.5, -2.75], [-46.97, -2.97], [-46.82, -3.32], [-46.47, -3.47], [-46.32, -3.82], [-45.97, -3.97], [-45.82, -4.32], [-45.47, -4.47], [-45.25, -5.0], [-45.35, -5.25], [-45.25, -5.5], [-45.47, -6.03], [-45.82, -6.18], [-45.97, -6.53], [-46.5, -6.75], [-47.03, -6.53], [-47.18, -6.18], [-47.25, -6.15], [-47.5, -6.25], [-47.75, -6.15], [-48.0, -6.25], [-48.53, -6.03], [-48.75, -5.5], [-48.53, -4.97], [-48.18, -4.82], [-48.15, -4.75], [-48.18, -4.68], [-48.53, -4.53], [-48.75, -4.0], [-48.65, -3.75], [-48.75, -3.5], [-48.53, -2.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7545484923803087}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3966459126578499}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.825259251839327, 26.953533633877726, 27.15471914654796, 27.095278671325445]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.825259251839327, 27.611829537754375, 27.690280947731026, 28.023541271966565]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.151476617108301, 1.288330480219369, 1.4889125911742616, 1.4263151829993381]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.151476617108301, 1.5102387978403158, 1.7545484923803087, 1.6093155558680223]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3895934591017576, 1.5781587583685504, 1.7951089580351198, 1.7032192985595604]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3895934591017576, 1.8819269421421396, 2.0807034130411943, 1.9299178077021528]}}