{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:57.756229", "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": "2013-Mar-26_to_2013-Mar-29_289.0_-38.0"}, "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": 2013030002428}, "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 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 29 2013"}, "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": 76463.14301792672}, "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.E.South-America", "S.South-America", "S.W.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": -38.0}, "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": 289.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -41.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -36.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.25, -37.0], [-72.03, -36.47], [-71.5, -36.25], [-70.97, -36.47], [-70.82, -36.82], [-70.47, -36.97], [-70.25, -37.5], [-70.35, -37.75], [-70.25, -38.0], [-70.47, -38.53], [-71.0, -38.75], [-71.53, -38.53], [-71.75, -38.0], [-71.65, -37.75], [-71.68, -37.68], [-72.03, -37.53], [-72.25, -37.0]]]]}, "2013-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.15, -39.75], [-72.25, -39.5], [-72.03, -38.97], [-71.68, -38.82], [-71.65, -38.75], [-71.75, -38.5], [-71.65, -38.25], [-71.75, -38.0], [-71.65, -37.75], [-71.68, -37.68], [-72.03, -37.53], [-72.25, -37.0], [-72.03, -36.47], [-71.5, -36.25], [-70.97, -36.47], [-70.82, -36.82], [-70.75, -36.85], [-70.5, -36.75], [-70.25, -36.85], [-70.0, -36.75], [-69.47, -36.97], [-69.25, -37.5], [-69.35, -37.75], [-69.25, -38.0], [-69.35, -38.25], [-69.32, -38.32], [-68.97, -38.47], [-68.75, -39.0], [-68.96, -39.5], [-68.75, -40.0], [-68.85, -40.25], [-68.75, -40.5], [-68.85, -40.75], [-68.75, -41.0], [-68.97, -41.53], [-69.5, -41.75], [-69.75, -41.65], [-70.0, -41.75], [-70.25, -41.65], [-70.5, -41.75], [-70.75, -41.65], [-71.0, -41.75], [-71.53, -41.53], [-71.68, -41.18], [-72.03, -41.03], [-72.25, -40.5], [-72.15, -40.25], [-72.25, -40.0], [-72.15, -39.75]]]]}, "2013-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.15, -39.75], [-72.25, -39.5], [-72.03, -38.97], [-71.68, -38.82], [-71.65, -38.75], [-71.75, -38.5], [-71.65, -38.25], [-71.75, -38.0], [-71.65, -37.75], [-71.68, -37.68], [-72.03, -37.53], [-72.25, -37.0], [-72.03, -36.47], [-71.5, -36.25], [-70.97, -36.47], [-70.82, -36.82], [-70.75, -36.85], [-70.5, -36.75], [-70.25, -36.85], [-70.0, -36.75], [-69.47, -36.97], [-69.25, -37.5], [-69.35, -37.75], [-69.25, -38.0], [-69.35, -38.25], [-69.32, -38.32], [-68.97, -38.47], [-68.75, -39.0], [-68.96, -39.5], [-68.75, -40.0], [-68.85, -40.25], [-68.75, -40.5], [-68.85, -40.75], [-68.75, -41.0], [-68.97, -41.53], [-69.5, -41.75], [-69.75, -41.65], [-70.0, -41.75], [-70.25, -41.65], [-70.5, -41.75], [-70.75, -41.65], [-71.0, -41.75], [-71.53, -41.53], [-71.68, -41.18], [-72.03, -41.03], [-72.25, -40.5], [-72.15, -40.25], [-72.25, -40.0], [-72.15, -39.75]]]]}, "2013-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.15, -39.75], [-72.25, -39.5], [-72.03, -38.97], [-71.68, -38.82], [-71.65, -38.75], [-71.75, -38.5], [-71.65, -38.25], [-71.75, -38.0], [-71.65, -37.75], [-71.75, -37.5], [-71.53, -36.97], [-71.0, -36.75], [-70.75, -36.85], [-70.5, -36.75], [-70.25, -36.85], [-70.0, -36.75], [-69.47, -36.97], [-69.25, -37.5], [-69.35, -37.75], [-69.25, -38.0], [-69.35, -38.25], [-69.32, -38.32], [-68.97, -38.47], [-68.75, -39.0], [-68.96, -39.5], [-68.75, -40.0], [-68.85, -40.25], [-68.75, -40.5], [-68.85, -40.75], [-68.75, -41.0], [-68.97, -41.53], [-69.5, -41.75], [-69.75, -41.65], [-70.0, -41.75], [-70.25, -41.65], [-70.5, -41.75], [-70.75, -41.65], [-71.0, -41.75], [-71.53, -41.53], [-71.68, -41.18], [-72.03, -41.03], [-72.25, -40.5], [-72.15, -40.25], [-72.25, -40.0], [-72.15, -39.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.374849857773938}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.607888071905967}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.09516746396838, 16.183566052342996, 15.986380909021932, 16.262375222854132]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.015817233140808, 19.452311417711087, 19.235526943557545, 20.36265273342218]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7391508757575593, 4.559564284095673, 4.496083276726209, 4.857253434619739]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.211156174714688, 7.374849857773938, 5.750526347107211, 6.022368405185659]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5254536718315697, 1.7256002036714688, 1.7040631949407612, 1.8156258559365346]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6257135951613368, 2.801451679461671, 2.3049298520481822, 2.2485489903587217]}}