{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:28.525802", "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": "2024-Mar-26_to_2024-Mar-30_297.0_-34.5"}, "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": 2024030001745}, "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": "March 26 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 30 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 65751.74536650568}, "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": -34.5}, "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": 297.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -36.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.0, -33.75], [-62.47, -33.97], [-62.25, -34.5], [-62.47, -35.03], [-63.0, -35.25], [-63.53, -35.03], [-63.75, -34.5], [-63.53, -33.97], [-63.0, -33.75]]]]}, "2024-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.5, -33.25], [-61.97, -33.47], [-61.75, -34.0], [-61.97, -34.53], [-62.32, -34.68], [-62.47, -35.03], [-63.0, -35.25], [-63.53, -35.03], [-63.75, -34.5], [-63.53, -33.97], [-63.18, -33.82], [-63.03, -33.47], [-62.5, -33.25]]]]}, "2024-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -34.5], [-63.53, -33.97], [-63.18, -33.82], [-63.03, -33.47], [-62.5, -33.25], [-62.25, -33.35], [-62.0, -33.25], [-61.75, -33.35], [-61.5, -33.25], [-60.97, -33.47], [-60.82, -33.82], [-60.75, -33.85], [-60.5, -33.75], [-59.97, -33.97], [-59.82, -34.32], [-59.47, -34.47], [-59.25, -35.0], [-59.35, -35.25], [-59.32, -35.32], [-59.25, -35.35], [-59.0, -35.25], [-58.47, -35.47], [-58.25, -36.0], [-58.47, -36.53], [-59.0, -36.75], [-59.25, -36.65], [-59.5, -36.75], [-59.75, -36.65], [-60.0, -36.75], [-60.25, -36.65], [-60.5, -36.75], [-60.75, -36.65], [-61.0, -36.75], [-61.25, -36.65], [-61.5, -36.75], [-62.03, -36.53], [-62.18, -36.18], [-62.53, -36.03], [-62.68, -35.68], [-63.03, -35.53], [-63.18, -35.18], [-63.53, -35.03], [-63.75, -34.5]]]]}, "2024-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -34.5], [-63.53, -33.97], [-63.18, -33.82], [-63.03, -33.47], [-62.5, -33.25], [-62.25, -33.35], [-62.0, -33.25], [-61.75, -33.35], [-61.5, -33.25], [-60.97, -33.47], [-60.82, -33.82], [-60.75, -33.85], [-60.5, -33.75], [-59.97, -33.97], [-59.82, -34.32], [-59.47, -34.47], [-59.25, -35.0], [-59.35, -35.25], [-59.32, -35.32], [-59.25, -35.35], [-59.0, -35.25], [-58.47, -35.47], [-58.25, -36.0], [-58.47, -36.53], [-59.0, -36.75], [-59.25, -36.65], [-59.5, -36.75], [-59.75, -36.65], [-60.0, -36.75], [-60.25, -36.65], [-60.5, -36.75], [-60.75, -36.65], [-61.0, -36.75], [-61.25, -36.65], [-61.5, -36.75], [-62.03, -36.53], [-62.18, -36.18], [-62.53, -36.03], [-62.68, -35.68], [-63.03, -35.53], [-63.18, -35.18], [-63.53, -35.03], [-63.75, -34.5]]]]}, "2024-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -34.5], [-63.53, -33.97], [-63.18, -33.82], [-63.03, -33.47], [-62.5, -33.25], [-62.25, -33.35], [-62.0, -33.25], [-61.75, -33.35], [-61.5, -33.25], [-60.97, -33.47], [-60.82, -33.82], [-60.75, -33.85], [-60.5, -33.75], [-59.97, -33.97], [-59.82, -34.32], [-59.47, -34.47], [-59.25, -35.0], [-59.35, -35.25], [-59.32, -35.32], [-59.25, -35.35], [-59.0, -35.25], [-58.47, -35.47], [-58.25, -36.0], [-58.47, -36.53], [-59.0, -36.75], [-59.25, -36.65], [-59.5, -36.75], [-59.75, -36.65], [-60.0, -36.75], [-60.25, -36.65], [-60.5, -36.75], [-60.75, -36.65], [-61.0, -36.75], [-61.25, -36.65], [-61.5, -36.75], [-62.03, -36.53], [-62.18, -36.18], [-62.53, -36.03], [-62.68, -35.68], [-63.03, -35.53], [-63.18, -35.18], [-63.53, -35.03], [-63.75, -34.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.112575590899894}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.864824088779864}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.770285508267875, 23.45409224968421, 23.216694091893544, 23.49005843673251, 23.095785529239663]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.770285508267875, 23.594772535571565, 23.843160595434824, 24.839193068084796, 24.30623472289807]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.69535052275387, 4.386355662288707, 4.704970221014673, 5.110148313373197, 4.822677209605886]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.69535052275387, 4.652758826073352, 5.162370421789262, 6.112575590899894, 5.424763422346871]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5152068476128602, 1.4235097182825505, 1.5332694244650549, 1.6623468613178163, 1.5682214043116325]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5152068476128602, 1.4962045179966512, 1.672015214707701, 1.9642086156437137, 1.7659724639250345]}}