{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:45.933533", "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": "2021-Dec-19_to_2021-Dec-21_298.0_-30.0"}, "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": 2021120002156}, "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": "December 19 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 21 2021"}, "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": 80688.13165592779}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": -30.0}, "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": 298.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "298.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -31.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.03, -30.03], [-66.25, -29.5], [-66.03, -28.97], [-65.5, -28.75], [-65.25, -28.85], [-65.18, -28.82], [-65.03, -28.47], [-64.68, -28.32], [-64.53, -27.97], [-64.18, -27.82], [-64.03, -27.47], [-63.5, -27.25], [-63.25, -27.35], [-63.0, -27.25], [-62.47, -27.47], [-62.32, -27.82], [-61.97, -27.97], [-61.75, -28.5], [-61.85, -28.75], [-61.82, -28.82], [-61.47, -28.97], [-61.25, -29.5], [-61.35, -29.75], [-61.25, -30.0], [-61.35, -30.25], [-61.25, -30.5], [-61.35, -30.75], [-61.25, -31.0], [-61.47, -31.53], [-62.0, -31.75], [-62.25, -31.65], [-62.5, -31.75], [-62.75, -31.65], [-63.0, -31.75], [-63.25, -31.65], [-63.5, -31.75], [-64.03, -31.53], [-64.25, -31.0], [-64.12, -30.7], [-64.25, -30.65], [-64.5, -30.75], [-65.03, -30.53], [-65.18, -30.18], [-65.25, -30.15], [-65.5, -30.25], [-66.03, -30.03]]]]}, "2021-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.03, -30.03], [-66.25, -29.5], [-66.03, -28.97], [-65.5, -28.75], [-65.25, -28.85], [-65.18, -28.82], [-65.03, -28.47], [-64.68, -28.32], [-64.53, -27.97], [-64.18, -27.82], [-64.03, -27.47], [-63.5, -27.25], [-63.25, -27.35], [-63.0, -27.25], [-62.47, -27.47], [-62.32, -27.82], [-61.97, -27.97], [-61.75, -28.5], [-61.85, -28.75], [-61.82, -28.82], [-61.47, -28.97], [-61.25, -29.5], [-61.35, -29.75], [-61.25, -30.0], [-61.35, -30.25], [-61.25, -30.5], [-61.35, -30.75], [-61.25, -31.0], [-61.47, -31.53], [-62.0, -31.75], [-62.25, -31.65], [-62.5, -31.75], [-62.75, -31.65], [-63.0, -31.75], [-63.25, -31.65], [-63.5, -31.75], [-64.03, -31.53], [-64.25, -31.0], [-64.12, -30.7], [-64.25, -30.65], [-64.5, -30.75], [-65.03, -30.53], [-65.18, -30.18], [-65.25, -30.15], [-65.5, -30.25], [-66.03, -30.03]]]]}, "2021-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.03, -30.03], [-66.25, -29.5], [-66.03, -28.97], [-65.5, -28.75], [-65.25, -28.85], [-65.18, -28.82], [-65.03, -28.47], [-64.68, -28.32], [-64.53, -27.97], [-64.18, -27.82], [-64.03, -27.47], [-63.5, -27.25], [-63.25, -27.35], [-63.0, -27.25], [-62.47, -27.47], [-62.32, -27.82], [-61.97, -27.97], [-61.75, -28.5], [-61.85, -28.75], [-61.82, -28.82], [-61.47, -28.97], [-61.25, -29.5], [-61.35, -29.75], [-61.25, -30.0], [-61.35, -30.25], [-61.25, -30.5], [-61.35, -30.75], [-61.25, -31.0], [-61.47, -31.53], [-62.0, -31.75], [-62.25, -31.65], [-62.5, -31.75], [-62.75, -31.65], [-63.0, -31.75], [-63.25, -31.65], [-63.5, -31.75], [-64.03, -31.53], [-64.25, -31.0], [-64.12, -30.7], [-64.25, -30.65], [-64.5, -30.75], [-65.03, -30.53], [-65.18, -30.18], [-65.25, -30.15], [-65.5, -30.25], [-66.03, -30.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.516266162785257}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.055615866114711}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.259454127341655, 31.741912044703838, 31.930206079304355]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.75634287707743, 33.89581577455931, 34.20208935059685]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.82715824213361, 5.125573776317937, 5.214115579892587]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.6910027370439025, 6.516266162785257, 6.306861899446744]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.618630149240919, 1.7420180440801754, 1.7641361751776932]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9242855906045602, 2.4262325211246427, 2.3408306703639545]}}