{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:46.681887", "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": "2019-May-14_to_2019-May-17_291.0_-54.0"}, "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": 2019050001956}, "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 14 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 17 2019"}, "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": 55949.918051815315}, "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", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": ["South Pacific 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": -54.0}, "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": 291.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -55.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -53.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, -52.97], [-73.0, -52.75], [-72.47, -52.97], 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[-73.65, -53.75], [-73.75, -53.5], [-73.53, -52.97]]]]}, "2019-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, -52.97], [-73.0, -52.75], [-72.47, -52.97], [-72.32, -53.32], [-72.25, -53.35], [-72.0, -53.25], [-71.75, -53.35], [-71.5, -53.25], [-71.25, -53.35], [-71.18, -53.32], [-71.03, -52.97], [-70.5, -52.75], [-70.25, -52.85], [-70.0, -52.75], [-69.5, -52.96], [-69.0, -52.75], [-68.47, -52.97], [-68.32, -53.32], [-68.25, -53.35], [-68.0, -53.25], [-67.75, -53.35], [-67.5, -53.25], [-66.97, -53.47], [-66.82, -53.82], [-66.47, -53.97], [-66.25, -54.5], [-66.47, -55.03], [-67.0, -55.25], [-67.25, -55.15], [-67.5, -55.25], [-67.75, -55.15], [-68.0, -55.25], [-68.25, -55.15], [-68.32, -55.18], [-68.47, -55.53], [-68.82, -55.68], [-68.97, -56.03], [-69.5, -56.25], [-70.03, -56.03], [-70.18, -55.68], [-70.5, -55.54], [-71.0, -55.75], [-71.53, -55.53], [-71.68, -55.18], [-72.03, -55.03], [-72.18, -54.68], [-72.25, -54.65], [-72.5, -54.75], [-72.75, -54.65], 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"description": "Maximum t2m anomaly recorded over entire duration", "value": 6.436008553347051}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.610266881329358}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.494810600894937, 6.585358215722465, 8.155720303453847, 6.8609171157126525]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.654704053774822, 8.29578307025406, 10.534596322425784, 8.490945847863657]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.0450920575333895, 2.8827667855051264, 4.622608420163227, 3.686596358082345]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.2372660720079125, 4.167764517166688, 6.436008553347051, 5.52368257968601]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5549712285407853, 1.4579676274891573, 2.2988775401576085, 1.7564587651406613]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8110898278237626, 1.7929632429492337, 2.6884903768253965, 2.439998730900807]}}