{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:29.892418", "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-Feb-27_to_2021-Mar-03_301.0_-17.5"}, "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": 2021020002353}, "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": "February 27 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 03 2021"}, "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": 103262.52850690222}, "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", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "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": -17.5}, "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": 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": 297.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.0, -16.75], [-58.5, -16.96], [-58.0, -16.75], [-57.47, 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-18.65], [-60.0, -18.75], [-60.25, -18.65], [-60.5, -18.75], [-60.93, -18.57], [-60.75, -19.0], [-60.97, -19.53], [-61.5, -19.75], [-61.75, -19.65], [-61.82, -19.68], [-61.97, -20.03], [-62.5, -20.25], [-63.03, -20.03], [-63.25, -19.5], [-63.03, -18.97], [-62.68, -18.82], [-62.65, -18.75], [-62.75, -18.5]]]]}, "2021-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.75, -18.5], [-62.53, -17.97], [-62.18, -17.82], [-62.15, -17.75], [-62.25, -17.5], [-62.03, -16.97], [-61.68, -16.82], [-61.53, -16.47], [-61.18, -16.32], [-61.15, -16.25], [-61.25, -16.0], [-61.15, -15.75], [-61.25, -15.5], [-61.03, -14.97], [-60.5, -14.75], [-60.25, -14.85], [-60.0, -14.75], [-59.47, -14.97], [-59.3, -15.38], [-59.0, -15.25], [-58.47, -15.47], [-58.32, -15.82], [-57.97, -15.97], [-57.75, -16.5], [-57.85, -16.75], [-57.82, -16.82], [-57.47, -16.97], [-57.25, -17.5], [-57.47, -18.03], [-58.0, -18.25], [-58.25, -18.15], [-58.32, -18.18], [-58.35, -18.25], [-58.25, -18.5], [-58.47, 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t2m anomaly over entire duration", "value": 2.316839416854481}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.5017720301243, 28.626167080558048, 29.027425344571384, 28.90320802342484, 28.86782730797802]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.058021059579005, 29.868720429022744, 30.17331670948414, 30.6228892186121, 29.17099580070368]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7460463270469593, 2.180157855794943, 2.510561308004667, 2.3135390763282024, 2.1642384536595216]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7612767408281798, 2.737218638987997, 3.5713310823083475, 3.8214214857143247, 2.1895193002732185]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.30785730803611, 1.621172962892199, 1.9181931089398756, 1.7790191464856553, 1.3789001717384035]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3660481437577139, 2.0684010980283922, 2.4615100110966495, 2.369910870449228, 1.3876730032370408]}}