{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:48.974733", "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-30_to_2025-Aug-02_301.0_-38.5"}, "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": 2025070003106}, "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 30 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 02 2025"}, "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": 152273.60349673824}, "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": ["Argentina"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["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": -38.5}, "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": 301.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 305.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -39.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -35.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-59.25, -39.65], [-59.5, -39.75], [-60.03, -39.53], [-60.18, -39.18], [-60.25, -39.15], [-60.5, -39.25], [-61.03, -39.03], [-61.18, -38.68], [-61.53, -38.53], [-61.68, -38.18], [-61.75, -38.15], [-62.0, -38.25], [-62.53, -38.03], [-62.75, -37.5], [-62.53, -36.97], [-62.18, -36.82], [-62.03, -36.47], [-61.68, -36.32], [-61.53, -35.97], [-61.18, -35.82], [-61.03, -35.47], [-60.5, -35.25], [-60.25, -35.35], [-60.18, -35.32], [-60.03, -34.97], [-59.5, -34.75], [-58.97, -34.97], [-58.82, -35.32], [-58.75, -35.35], [-58.5, -35.25], [-57.97, -35.47], [-57.82, -35.82], [-57.75, -35.85], [-57.5, -35.75], [-57.25, -35.85], [-57.0, -35.75], [-56.47, -35.97], [-56.25, -36.5], [-56.35, -36.75], [-56.32, -36.82], [-56.25, -36.85], [-56.18, -36.82], [-56.03, -36.47], [-55.5, -36.25], [-55.25, -36.35], [-55.0, -36.25], [-54.47, -36.47], [-54.25, -37.0], [-54.47, -37.53], [-54.82, -37.68], [-54.85, -37.75], [-54.75, -38.0], [-54.97, -38.53], [-55.5, -38.75], [-56.0, -38.54], [-56.5, -38.75], [-56.75, -38.65], [-56.82, -38.68], [-56.97, -39.03], [-57.5, -39.25], [-57.75, -39.15], [-57.82, -39.18], [-57.97, -39.53], [-58.5, -39.75], [-58.75, -39.65], [-59.0, -39.75], [-59.25, -39.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.52999999999997, -38.53], [-61.75, -38.0], [-61.52999999999997, -37.47], [-61.0, -37.25], [-60.5, -37.46], [-60.0, -37.25], [-59.75, -37.35], [-59.5, -37.25], [-58.97000000000003, -37.47], [-58.81999999999999, -37.82], [-58.75, -37.85], [-58.5, -37.75], [-57.97000000000003, -37.97], [-57.75, -38.5], [-57.97000000000003, -39.03], [-58.31999999999999, -39.18], [-58.47000000000003, -39.53], [-59.0, -39.75], [-59.25, -39.65], [-59.5, -39.75], [-60.02999999999997, -39.53], [-60.18000000000001, -39.18], [-60.25, -39.15], [-60.5, -39.25], [-61.02999999999997, -39.03], [-61.18000000000001, -38.68], [-61.52999999999997, -38.53]]]]}, "2025-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.02999999999997, -36.47], [-61.68000000000001, -36.32], [-61.52999999999997, -35.97], [-61.18000000000001, -35.82], [-61.02999999999997, -35.47], [-60.5, -35.25], [-60.25, -35.35], [-60.18000000000001, -35.32], [-60.02999999999997, -34.97], [-59.5, -34.75], [-58.97000000000003, -34.97], [-58.81999999999999, -35.32], [-58.75, -35.35], [-58.5, -35.25], [-57.97000000000003, -35.47], [-57.81999999999999, -35.82], [-57.75, -35.85], [-57.5, -35.75], [-57.25, -35.85], [-57.0, -35.75], [-56.47000000000003, -35.97], [-56.25, -36.5], [-56.35000000000002, -36.75], [-56.31999999999999, -36.82], [-56.25, -36.85], [-56.18000000000001, -36.82], [-56.02999999999997, -36.47], [-55.5, -36.25], [-55.25, -36.35], [-55.0, -36.25], [-54.47000000000003, -36.47], [-54.25, -37.0], [-54.47000000000003, -37.53], [-54.81999999999999, -37.68], [-54.85000000000002, -37.75], [-54.75, -38.0], [-54.97000000000003, -38.53], [-55.5, -38.75], [-56.0, -38.54], [-56.5, -38.75], [-56.75, -38.65], [-56.81999999999999, -38.68], [-56.97000000000003, -39.03], [-57.5, -39.25], [-57.75, -39.15], [-57.81999999999999, -39.18], [-57.97000000000003, -39.53], [-58.5, -39.75], [-58.75, -39.65], [-59.0, -39.75], [-59.25, -39.65], [-59.5, -39.75], [-60.02999999999997, -39.53], [-60.18000000000001, -39.18], [-60.25, -39.15], [-60.5, -39.25], [-61.02999999999997, -39.03], [-61.18000000000001, -38.68], [-61.52999999999997, -38.53], [-61.68000000000001, -38.18], [-61.75, -38.15], [-62.0, -38.25], [-62.52999999999997, -38.03], [-62.75, -37.5], [-62.52999999999997, -36.97], [-62.18000000000001, -36.82], [-62.02999999999997, -36.47]]]]}, "2025-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.02999999999997, -36.47], [-61.68000000000001, -36.32], [-61.52999999999997, -35.97], [-61.18000000000001, -35.82], [-61.02999999999997, -35.47], [-60.5, -35.25], [-60.25, -35.35], [-60.18000000000001, -35.32], [-60.02999999999997, -34.97], [-59.5, -34.75], [-58.97000000000003, -34.97], [-58.81999999999999, -35.32], [-58.75, -35.35], [-58.5, -35.25], [-57.97000000000003, -35.47], [-57.81999999999999, -35.82], [-57.75, -35.85], [-57.5, -35.75], [-57.25, -35.85], [-57.0, -35.75], [-56.47000000000003, -35.97], [-56.25, -36.5], [-56.35000000000002, -36.75], [-56.31999999999999, -36.82], [-56.25, -36.85], [-56.18000000000001, -36.82], [-56.02999999999997, -36.47], [-55.5, -36.25], [-55.25, -36.35], [-55.0, -36.25], [-54.47000000000003, -36.47], [-54.25, -37.0], [-54.47000000000003, -37.53], [-54.81999999999999, -37.68], [-54.85000000000002, -37.75], [-54.75, -38.0], [-54.97000000000003, -38.53], [-55.5, -38.75], [-56.0, -38.54], [-56.5, -38.75], [-56.75, -38.65], [-56.81999999999999, -38.68], [-56.97000000000003, -39.03], [-57.5, -39.25], [-57.75, -39.15], [-57.81999999999999, -39.18], [-57.97000000000003, -39.53], [-58.5, -39.75], [-58.75, -39.65], [-59.0, -39.75], [-59.25, -39.65], [-59.5, -39.75], [-60.02999999999997, -39.53], [-60.18000000000001, -39.18], [-60.25, -39.15], [-60.5, -39.25], [-61.02999999999997, -39.03], [-61.18000000000001, -38.68], [-61.52999999999997, -38.53], [-61.68000000000001, -38.18], [-61.75, -38.15], [-62.0, -38.25], [-62.52999999999997, -38.03], [-62.75, -37.5], [-62.52999999999997, -36.97], [-62.18000000000001, -36.82], [-62.02999999999997, -36.47]]]]}, "2025-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.02999999999997, -36.47], [-61.68000000000001, -36.32], [-61.52999999999997, -35.97], [-61.18000000000001, -35.82], [-61.02999999999997, -35.47], [-60.5, -35.25], [-60.25, -35.35], [-60.18000000000001, -35.32], [-60.02999999999997, -34.97], [-59.5, -34.75], [-58.97000000000003, -34.97], [-58.81999999999999, -35.32], [-58.75, -35.35], [-58.5, -35.25], [-57.97000000000003, -35.47], [-57.81999999999999, -35.82], [-57.75, -35.85], [-57.5, -35.75], [-57.25, -35.85], [-57.0, -35.75], [-56.47000000000003, -35.97], [-56.25, -36.5], [-56.35000000000002, -36.75], [-56.31999999999999, -36.82], [-56.25, -36.85], [-56.18000000000001, -36.82], [-56.02999999999997, -36.47], [-55.5, -36.25], [-55.25, -36.35], [-55.0, -36.25], [-54.47000000000003, -36.47], [-54.25, -37.0], [-54.47000000000003, -37.53], [-54.81999999999999, -37.68], [-54.85000000000002, -37.75], [-54.75, -38.0], [-54.97000000000003, -38.53], [-55.5, -38.75], [-56.0, -38.54], [-56.5, -38.75], [-56.75, -38.65], [-56.81999999999999, -38.68], [-56.97000000000003, -39.03], [-57.5, -39.25], [-57.75, -39.15], [-57.81999999999999, -39.18], [-57.97000000000003, -39.53], [-58.5, -39.75], [-58.75, -39.65], [-59.0, -39.75], [-59.52999999999997, -39.53], [-59.68000000000001, -39.18], [-59.75, -39.15], [-60.0, -39.25], [-60.25, -39.15], [-60.5, -39.25], [-61.02999999999997, -39.03], [-61.18000000000001, -38.68], [-61.52999999999997, -38.53], [-61.68000000000001, -38.18], [-61.75, -38.15], [-62.0, -38.25], [-62.52999999999997, -38.03], [-62.75, -37.5], [-62.52999999999997, -36.97], [-62.18000000000001, -36.82], [-62.02999999999997, -36.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.6726369866446475}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.686152074088308}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.07110799153645, 12.701797411518669, 13.035307246382558, 12.899459780500251]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.506199137369833, 13.95286585489913, 15.52942555745443, 14.399629211425804]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.933154685776816, 4.509201072659924, 4.919946875379217, 4.751818603459432]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.6478303683292665, 5.931163463451242, 6.6726369866446475, 6.011082191469029]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3958350227571508, 1.5316065252222346, 1.6697223729000688, 1.6172712858340221]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5075122586168586, 1.9899331675933745, 1.9641807775003959, 2.063109014034148]}}