{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-08-03 19:33:56.221587", "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": "2026-Jun-29_to_2026-Jul-02_309.0_-24.0"}, "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": 2026060002870}, "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": "June 29 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 02 2026"}, "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": 70786.16535655159}, "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": -24.0}, "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": 309.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "309.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 307.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 310.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.15, -23.25], [-53.25, -23.0], [-53.03, -22.47], [-52.68, -22.32], [-52.53, -21.97], [-52.0, -21.75], [-51.75, -21.85], [-51.5, -21.75], [-51.25, -21.85], [-51.0, -21.75], [-50.47, -21.97], [-50.32, -22.32], [-50.25, -22.35], [-50.0, -22.25], [-49.47, -22.47], [-49.25, -23.0], [-49.47, -23.53], [-50.0, -23.75], [-50.25, -23.65], [-50.32, -23.68], [-50.35, -23.75], [-50.25, -24.0], [-50.47, -24.53], [-51.0, -24.75], [-51.5, -24.54], [-52.0, -24.75], [-52.25, -24.65], [-52.5, -24.75], [-53.03, -24.53], [-53.25, -24.0], [-53.15, -23.75], [-53.25, -23.5], [-53.15, -23.25]]]]}, "2026-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.15, -23.25], [-53.25, -23.0], [-53.03, -22.47], [-52.68, -22.32], [-52.53, -21.97], [-52.0, -21.75], [-51.75, -21.85], [-51.5, -21.75], [-51.25, -21.85], [-51.0, -21.75], [-50.47, -21.97], [-50.32, -22.32], [-50.25, -22.35], [-50.0, -22.25], [-49.47, -22.47], [-49.25, -23.0], [-49.47, -23.53], [-49.82, -23.68], [-49.85, -23.75], [-49.82, -23.82], [-49.47, -23.97], [-49.25, -24.5], [-49.35, -24.75], [-49.25, -25.0], [-49.47, -25.53], [-50.0, -25.75], [-50.25, -25.65], [-50.5, -25.75], [-51.03, -25.53], [-51.18, -25.18], [-51.25, -25.15], [-51.5, -25.25], [-52.03, -25.03], [-52.18, -24.68], [-52.25, -24.65], [-52.5, -24.75], [-53.03, -24.53], [-53.25, -24.0], [-53.15, -23.75], [-53.25, -23.5], [-53.15, -23.25]]]]}, "2026-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.15, -23.25], [-53.25, -23.0], [-53.03, -22.47], [-52.68, -22.32], [-52.53, -21.97], [-52.0, -21.75], [-51.75, -21.85], [-51.5, -21.75], [-51.25, -21.85], [-51.0, -21.75], [-50.47, -21.97], [-50.32, -22.32], [-50.25, -22.35], [-50.0, -22.25], [-49.47, -22.47], [-49.25, -23.0], [-49.47, -23.53], [-49.82, -23.68], [-49.85, -23.75], [-49.82, -23.82], [-49.47, -23.97], [-49.25, -24.5], [-49.35, -24.75], [-49.25, -25.0], [-49.47, -25.53], [-50.0, -25.75], [-50.25, -25.65], [-50.5, -25.75], [-51.03, -25.53], [-51.18, -25.18], [-51.25, -25.15], [-51.5, -25.25], [-52.03, -25.03], [-52.18, -24.68], [-52.25, -24.65], [-52.5, -24.75], [-53.03, -24.53], [-53.25, -24.0], [-53.15, -23.75], [-53.25, -23.5], [-53.15, -23.25]]]]}, "2026-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.15, -23.25], [-53.25, -23.0], [-53.03, -22.47], [-52.5, -22.25], [-52.0, -22.46], [-51.5, -22.25], [-51.25, -22.35], [-51.0, -22.25], [-50.47, -22.47], [-50.32, -22.82], [-49.97, -22.97], [-49.75, -23.5], [-49.85, -23.75], [-49.82, -23.82], [-49.47, -23.97], [-49.25, -24.5], [-49.35, -24.75], [-49.25, -25.0], [-49.47, -25.53], [-50.0, -25.75], [-50.25, -25.65], [-50.5, -25.75], [-51.03, -25.53], [-51.18, -25.18], [-51.25, -25.15], [-51.5, -25.25], [-52.03, -25.03], [-52.18, -24.68], [-52.25, -24.65], [-52.5, -24.75], [-53.03, -24.53], [-53.25, -24.0], [-53.15, -23.75], [-53.25, -23.5], [-53.15, -23.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.09675286408833}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8802478048111264}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.195394134521507, 21.17016642252605, 21.644310862223335, 20.513224002771267]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.875193532307946, 23.645989990234398, 23.55606867472335, 22.931732432047568]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9364816532748748, 3.7988205202506697, 4.141183953116795, 3.596697111703218]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.384745256441477, 4.2572685705305275, 5.09675286408833, 4.026328632644038]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3117486738842543, 1.337451341398405, 1.4960705153411964, 1.2941017197213338]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.505365595602881, 1.528441317952461, 1.8065072398176838, 1.4439370418606663]}}