{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:17.513612", "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": "2025-Jul-08_to_2025-Jul-12_315.5_-5.0"}, "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": 2025070001691}, "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": "July 08 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58516.64223198777}, "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": -5.0}, "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": 315.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "315.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 314.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 317.25}, "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": {"2025-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.53, -3.97], [-45.0, -3.75], [-44.75, -3.85], [-44.5, 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"MultiPolygon", "coordinates": [[[[-45.53, -3.97], [-45.0, -3.75], [-44.75, -3.85], [-44.68, -3.82], [-44.53, -3.47], [-44.0, -3.25], [-43.75, -3.35], [-43.68, -3.32], [-43.53, -2.97], [-43.0, -2.75], [-42.47, -2.97], [-42.25, -3.5], [-42.35, -3.75], [-42.25, -4.0], [-42.35, -4.25], [-42.25, -4.5], [-42.46, -5.0], [-42.25, -5.5], [-42.47, -6.03], [-42.82, -6.18], [-42.97, -6.53], [-43.5, -6.75], [-43.75, -6.65], [-44.0, -6.75], [-44.53, -6.53], [-44.68, -6.18], [-45.03, -6.03], [-45.18, -5.68], [-45.53, -5.53], [-45.75, -5.0], [-45.65, -4.75], [-45.75, -4.5], [-45.53, -3.97]]]]}, "2025-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-45.53, -3.97], [-45.0, -3.75], [-44.75, -3.85], [-44.68, -3.82], [-44.53, -3.47], [-44.0, -3.25], [-43.75, -3.35], [-43.68, -3.32], [-43.53, -2.97], [-43.0, -2.75], [-42.47, -2.97], [-42.25, -3.5], [-42.35, -3.75], [-42.25, -4.0], [-42.35, -4.25], [-42.25, -4.5], [-42.47, -5.03], [-42.82, -5.18], [-42.85, -5.25], [-42.75, -5.5], 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anomaly recorded over entire duration", "value": 1.9697737717581845}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3561588536721936}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.116176096598338, 28.30048997667103, 28.483594245241363, 28.416886478000208, 28.8130547982675]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.00760676066085, 29.0032948811849, 29.2240984598796, 29.17741165161135, 29.478451029459677]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0358580875154075, 1.1912476932319616, 1.356121232518804, 1.3123809196827538, 1.7153473359997298]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": 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