{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:05:18.519953", "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-May-10_to_2025-May-12_301.0_-1.0"}, "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": 2025050001610}, "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": "May 10 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 12 2025"}, "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": 52527.964599791856}, "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"]}, "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": []}, "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": -1.0}, "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": 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": 300.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-60.18, -0.32], [-60.03, 0.03], [-59.5, 0.25], [-59.25, 0.15], [-59.0, 0.25], [-58.75, 0.15], [-58.5, 0.25], [-57.97, 0.03], [-57.82, -0.32], [-57.47, -0.47], [-57.25, -1.0], [-57.46, -1.5], [-57.25, -2.0], [-57.35, -2.25], [-57.25, -2.5], [-57.47, -3.03], [-58.0, -3.25], [-58.25, -3.15], [-58.5, -3.25], [-58.75, -3.15], [-59.0, -3.25], [-59.53, -3.03], [-59.75, -2.5], [-59.65, -2.25], [-59.7, -2.12], [-60.0, -2.25], [-60.53, -2.03], [-60.75, -1.5], [-60.65, -1.25], [-60.75, -1.0], [-60.53, -0.47], [-60.18, -0.32]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.75, -1.0], [-60.52999999999997, -0.47], [-60.18000000000001, -0.32], [-60.02999999999997, 0.03], [-59.5, 0.25], [-59.25, 0.15], [-59.0, 0.25], [-58.75, 0.15], [-58.5, 0.25], [-57.97000000000003, 0.03], [-57.81999999999999, -0.32], [-57.47000000000003, -0.47], [-57.25, -1.0], [-57.45999999999998, -1.5], [-57.25, -2.0], [-57.35000000000002, -2.25], [-57.25, -2.5], [-57.47000000000003, -3.03], [-58.0, -3.25], [-58.25, -3.15], [-58.5, -3.25], [-58.75, -3.15], [-59.0, -3.25], [-59.52999999999997, -3.03], [-59.75, -2.5], [-59.64999999999998, -2.25], [-59.69999999999999, -2.12], [-60.0, -2.25], [-60.52999999999997, -2.03], [-60.75, -1.5], [-60.64999999999998, -1.25], [-60.75, -1.0]]]]}, "2025-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.75, -1.0], [-60.52999999999997, -0.47], [-60.18000000000001, -0.32], [-60.02999999999997, 0.03], [-59.5, 0.25], [-59.25, 0.15], [-59.0, 0.25], [-58.75, 0.15], [-58.5, 0.25], [-57.97000000000003, 0.03], [-57.81999999999999, -0.32], [-57.47000000000003, -0.47], [-57.25, -1.0], [-57.45999999999998, -1.5], [-57.25, -2.0], [-57.35000000000002, -2.25], [-57.25, -2.5], [-57.47000000000003, -3.03], [-58.0, -3.25], [-58.25, -3.15], [-58.5, -3.25], [-58.75, -3.15], [-59.0, -3.25], [-59.52999999999997, -3.03], [-59.75, -2.5], [-59.64999999999998, -2.25], [-59.69999999999999, -2.12], [-60.0, -2.25], [-60.52999999999997, -2.03], [-60.75, -1.5], [-60.64999999999998, -1.25], [-60.75, -1.0]]]]}, "2025-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.75, -1.0], [-60.52999999999997, -0.47], [-60.18000000000001, -0.32], [-60.02999999999997, 0.03], [-59.5, 0.25], [-59.25, 0.15], [-59.0, 0.25], [-58.75, 0.15], [-58.5, 0.25], [-57.97000000000003, 0.03], [-57.81999999999999, -0.32], [-57.47000000000003, -0.47], [-57.25, -1.0], [-57.45999999999998, -1.5], [-57.25, -2.0], [-57.35000000000002, -2.25], [-57.25, -2.5], [-57.47000000000003, -3.03], [-58.0, -3.25], [-58.25, -3.15], [-58.5, -3.25], [-58.75, -3.15], [-59.0, -3.25], [-59.52999999999997, -3.03], [-59.75, -2.5], [-59.64999999999998, -2.25], [-59.69999999999999, -2.12], [-60.0, -2.25], [-60.52999999999997, -2.03], [-60.75, -1.5], [-60.64999999999998, -1.25], [-60.75, -1.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8964132844665755}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5693361433081707}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.81127065022787, 27.022480863683313, 26.878073479147588]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.59178822835287, 28.09003601074221, 27.565530395507835]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5522894997288659, 1.678415955272987, 1.4773029749226594]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8503354906563345, 1.8964132844665755, 1.6940816766955322]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8353766001896525, 1.9727579428245523, 1.6757936995559894]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.213758668520303, 2.38105937091633, 1.9906224455755732]}}