{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:51.496219", "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": "2023-Oct-27_to_2023-Oct-30_301.5_-21.0"}, "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": 2023100002186}, "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": "October 27 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 30 2023"}, "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": 54824.78977000677}, "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": ["Bolivia, Plurinational State of", "Brazil", "Paraguay"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "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": -21.0}, "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": 301.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "301.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 300.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-59.25, -19.35], [-59.18, -19.32], [-59.03, -18.97], [-58.5, -18.75], [-57.97, -18.97], [-57.75, -19.5], [-57.85, -19.75], [-57.82, -19.82], [-57.47, -19.97], [-57.25, -20.5], [-57.35, -20.75], [-57.3, -20.88], [-57.0, -20.75], [-56.47, -20.97], [-56.32, -21.32], [-55.97, -21.47], [-55.75, -22.0], [-55.97, -22.53], [-56.5, -22.75], [-56.75, -22.65], [-57.0, -22.75], [-57.25, -22.65], [-57.5, -22.75], [-57.75, -22.65], [-58.0, -22.75], [-58.53, -22.53], [-58.68, -22.18], [-58.75, -22.15], [-59.0, -22.25], [-59.53, -22.03], [-59.68, -21.68], [-60.03, -21.53], [-60.25, -21.0], [-60.04, -20.5], [-60.25, -20.0], [-60.03, -19.47], [-59.5, -19.25], [-59.25, -19.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon", "S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.02999999999997, -20.53], [-60.25, -20.0], [-60.02999999999997, -19.47], [-59.5, -19.25], [-59.25, -19.35], [-59.18000000000001, -19.32], [-59.02999999999997, -18.97], [-58.5, -18.75], [-57.97000000000003, -18.97], [-57.75, -19.5], [-57.85000000000002, -19.75], [-57.81999999999999, -19.82], [-57.47000000000003, -19.97], [-57.25, -20.5], [-57.35000000000002, -20.75], [-57.25, -21.0], [-57.47000000000003, -21.53], [-57.81999999999999, -21.68], [-57.97000000000003, -22.03], [-58.5, -22.25], [-58.75, -22.15], [-59.0, -22.25], [-59.52999999999997, -22.03], [-59.75, -21.5], [-59.64999999999998, -21.25], [-59.75, -21.0], [-59.64999999999998, -20.75], [-59.68000000000001, -20.68], [-60.02999999999997, -20.53]]]]}, "2023-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -20.0], [-60.02999999999997, -19.47], [-59.5, -19.25], [-59.25, -19.35], [-59.18000000000001, -19.32], [-59.02999999999997, -18.97], [-58.5, -18.75], [-57.97000000000003, -18.97], [-57.75, -19.5], [-57.85000000000002, -19.75], [-57.81999999999999, -19.82], [-57.47000000000003, -19.97], [-57.25, -20.5], [-57.35000000000002, -20.75], [-57.30000000000001, -20.88], [-57.0, -20.75], [-56.47000000000003, -20.97], [-56.31999999999999, -21.32], [-55.97000000000003, -21.47], [-55.75, -22.0], [-55.97000000000003, -22.53], [-56.5, -22.75], [-56.75, -22.65], [-57.0, -22.75], [-57.25, -22.65], [-57.5, -22.75], [-57.75, -22.65], [-58.0, -22.75], [-58.52999999999997, -22.53], [-58.68000000000001, -22.18], [-58.75, -22.15], [-59.0, -22.25], [-59.52999999999997, -22.03], [-59.68000000000001, -21.68], [-60.02999999999997, -21.53], [-60.25, -21.0], [-60.04000000000002, -20.5], [-60.25, -20.0]]]]}, "2023-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -20.0], [-60.02999999999997, -19.47], [-59.5, -19.25], [-59.25, -19.35], [-59.18000000000001, -19.32], [-59.02999999999997, -18.97], [-58.5, -18.75], [-57.97000000000003, -18.97], [-57.75, -19.5], [-57.85000000000002, -19.75], [-57.81999999999999, -19.82], [-57.47000000000003, -19.97], [-57.25, -20.5], [-57.35000000000002, -20.75], [-57.30000000000001, -20.88], [-57.0, -20.75], [-56.47000000000003, -20.97], [-56.31999999999999, -21.32], [-55.97000000000003, -21.47], [-55.75, -22.0], [-55.97000000000003, -22.53], [-56.5, -22.75], [-56.75, -22.65], [-57.0, -22.75], [-57.25, -22.65], [-57.5, -22.75], [-57.75, -22.65], [-58.0, -22.75], [-58.52999999999997, -22.53], [-58.68000000000001, -22.18], [-58.75, -22.15], [-59.0, -22.25], [-59.52999999999997, -22.03], [-59.68000000000001, -21.68], [-60.02999999999997, -21.53], [-60.25, -21.0], [-60.04000000000002, -20.5], [-60.25, -20.0]]]]}, "2023-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -20.0], [-60.02999999999997, -19.47], [-59.5, -19.25], [-59.25, -19.35], [-59.0, -19.25], [-58.75, -19.35], [-58.5, -19.25], [-57.97000000000003, -19.47], [-57.81999999999999, -19.82], [-57.47000000000003, -19.97], [-57.25, -20.5], [-57.35000000000002, -20.75], [-57.30000000000001, -20.88], [-57.0, -20.75], [-56.47000000000003, -20.97], [-56.31999999999999, -21.32], [-55.97000000000003, -21.47], [-55.75, -22.0], [-55.97000000000003, -22.53], [-56.5, -22.75], [-56.75, -22.65], [-57.0, -22.75], [-57.25, -22.65], [-57.5, -22.75], [-57.75, -22.65], [-58.0, -22.75], [-58.52999999999997, -22.53], [-58.68000000000001, -22.18], [-58.75, -22.15], [-59.0, -22.25], [-59.52999999999997, -22.03], [-59.68000000000001, -21.68], [-60.02999999999997, -21.53], [-60.25, -21.0], [-60.04000000000002, -20.5], [-60.25, -20.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.352602989865261}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.995138087915497}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.80507986126611, 32.50840685308606, 32.25207140232504, 32.789344571076015]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.43897722944433, 33.932866494691154, 33.257945813473896, 33.942216974262806]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.688849948282457, 4.93502753419983, 4.754993804873565, 5.516265842026099]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.073807278240338, 5.917155760252626, 5.29356271354942, 6.352602989865261]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4016052786818072, 1.4418526441000303, 1.3902676480458735, 1.607063975383507]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5905786729893576, 1.5605957264863461, 1.5677710048550175, 1.7808687319163439]}}