{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:42.337174", "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": "2012-Feb-09_to_2012-Feb-13_288.0_-35.5"}, "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": 2012020002035}, "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 09 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 13 2012"}, "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": 155117.79334616696}, "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": -35.5}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -41.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.03, -35.47], [-72.68, -35.32], [-72.65, -35.25], [-72.75, -35.0], [-72.53, -34.47], [-72.18, -34.32], [-72.03, -33.97], [-71.5, -33.75], [-71.25, -33.85], [-71.0, -33.75], [-70.47, -33.97], [-70.25, -34.5], [-70.47, -35.03], [-70.82, -35.18], [-70.97, -35.53], [-71.32, -35.68], [-71.35, -35.75], [-71.25, -36.0], [-71.47, -36.53], [-71.82, -36.68], [-71.97, -37.03], [-72.5, -37.25], [-73.03, -37.03], [-73.25, -36.5], [-73.15, -36.25], [-73.25, -36.0], [-73.03, -35.47]]]]}, "2012-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.18, -36.32], [-73.15, -36.25], [-73.25, -36.0], [-73.03, -35.47], [-72.68, -35.32], [-72.65, -35.25], [-72.75, -35.0], [-72.53, -34.47], [-72.18, -34.32], [-72.03, -33.97], [-71.5, -33.75], [-71.25, -33.85], [-71.0, -33.75], [-70.47, -33.97], [-70.25, -34.5], [-70.35, -34.75], [-70.25, -35.0], [-70.47, -35.53], [-70.82, -35.68], [-70.85, -35.75], [-70.75, -36.0], [-70.85, -36.25], [-70.82, -36.32], [-70.75, -36.35], [-70.68, -36.32], [-70.53, -35.97], [-70.0, -35.75], [-69.47, -35.97], [-69.25, -36.5], [-69.35, -36.75], [-69.25, -37.0], [-69.35, -37.25], [-69.25, -37.5], [-69.35, -37.75], [-69.32, -37.82], [-68.97, -37.97], [-68.82, -38.32], [-68.75, -38.35], [-68.5, -38.25], [-68.25, -38.35], [-68.0, -38.25], [-67.47, -38.47], [-67.25, -39.0], [-67.35, -39.25], [-67.25, -39.5], [-67.46, -40.0], [-67.25, -40.5], [-67.35, -40.75], [-67.32, -40.82], [-67.25, -40.85], [-67.0, -40.75], [-66.75, -40.85], [-66.5, -40.75], [-66.25, -40.85], [-66.0, -40.75], [-65.47, -40.97], [-65.25, -41.5], [-65.47, -42.03], [-66.0, -42.25], [-66.25, -42.15], [-66.5, -42.25], [-66.75, -42.15], [-67.0, -42.25], [-67.25, -42.15], [-67.5, -42.25], [-67.75, -42.15], [-68.0, -42.25], [-68.25, -42.15], [-68.5, -42.25], [-69.03, -42.03], [-69.25, -41.5], [-69.15, -41.25], [-69.18, -41.18], [-69.25, -41.15], [-69.5, -41.25], [-70.03, -41.03], [-70.18, -40.68], [-70.25, -40.65], [-70.5, -40.75], [-70.75, -40.65], [-71.0, -40.75], [-71.53, -40.53], [-71.75, -40.0], [-71.53, -39.47], [-71.18, -39.32], [-71.15, -39.25], [-71.18, -39.18], [-71.53, -39.03], [-71.75, -38.5], [-71.65, -38.25], [-71.68, -38.18], [-72.0, -38.04], [-72.5, -38.25], [-72.75, -38.15], [-73.0, -38.25], [-73.25, -38.15], [-73.5, -38.25], [-74.03, -38.03], [-74.25, -37.5], [-74.03, -36.97], [-73.68, -36.82], [-73.53, -36.47], [-73.18, -36.32]]]]}, "2012-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.18, -36.32], [-73.15, -36.25], [-73.25, -36.0], [-73.03, -35.47], [-72.68, -35.32], [-72.65, -35.25], [-72.75, -35.0], [-72.53, -34.47], [-72.18, -34.32], [-72.03, -33.97], [-71.5, -33.75], [-71.25, -33.85], [-71.0, -33.75], [-70.47, -33.97], [-70.25, -34.5], [-70.35, -34.75], [-70.25, -35.0], [-70.47, -35.53], [-70.82, -35.68], [-70.85, -35.75], [-70.75, -36.0], [-70.85, -36.25], [-70.82, -36.32], [-70.75, -36.35], [-70.68, -36.32], [-70.53, -35.97], [-70.0, -35.75], [-69.47, -35.97], [-69.25, -36.5], [-69.35, -36.75], [-69.25, -37.0], [-69.35, -37.25], [-69.25, -37.5], [-69.35, -37.75], [-69.32, -37.82], [-68.97, -37.97], [-68.82, -38.32], [-68.75, -38.35], [-68.5, -38.25], [-68.25, -38.35], [-68.0, -38.25], [-67.47, -38.47], [-67.25, -39.0], [-67.35, -39.25], [-67.25, -39.5], [-67.46, -40.0], [-67.25, -40.5], [-67.35, -40.75], [-67.32, -40.82], [-67.25, -40.85], [-67.0, -40.75], [-66.75, -40.85], [-66.5, -40.75], [-66.25, -40.85], [-66.0, -40.75], [-65.47, -40.97], [-65.25, -41.5], [-65.47, -42.03], [-66.0, -42.25], [-66.25, -42.15], [-66.5, -42.25], [-66.75, -42.15], [-67.0, -42.25], [-67.25, -42.15], [-67.5, -42.25], [-67.75, -42.15], [-68.0, -42.25], [-68.25, -42.15], [-68.5, -42.25], [-69.03, -42.03], [-69.25, -41.5], [-69.15, -41.25], [-69.18, -41.18], [-69.25, -41.15], [-69.5, -41.25], [-70.03, -41.03], [-70.18, -40.68], [-70.25, -40.65], [-70.5, -40.75], [-70.75, -40.65], [-71.0, -40.75], [-71.53, -40.53], [-71.75, -40.0], [-71.53, -39.47], [-71.18, -39.32], [-71.15, -39.25], [-71.18, -39.18], [-71.53, -39.03], [-71.75, -38.5], [-71.65, -38.25], [-71.68, -38.18], [-72.0, -38.04], [-72.5, -38.25], [-72.75, -38.15], [-73.0, -38.25], [-73.25, -38.15], [-73.5, -38.25], [-74.03, -38.03], [-74.25, -37.5], [-74.03, -36.97], [-73.68, -36.82], [-73.53, -36.47], [-73.18, -36.32]]]]}, "2012-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.18, -36.32], [-73.03, -35.97], [-72.68, -35.82], [-72.65, -35.75], [-72.75, -35.5], [-72.53, -34.97], [-72.18, -34.82], [-72.03, -34.47], [-71.5, -34.25], [-71.25, -34.35], [-71.0, -34.25], [-70.47, -34.47], [-70.25, -35.0], [-70.47, -35.53], [-70.82, -35.68], [-70.85, -35.75], [-70.75, -36.0], [-70.85, -36.25], [-70.82, -36.32], [-70.75, -36.35], [-70.68, -36.32], [-70.53, -35.97], [-70.0, -35.75], [-69.47, -35.97], [-69.25, -36.5], [-69.35, -36.75], [-69.25, -37.0], [-69.35, -37.25], [-69.25, -37.5], [-69.35, -37.75], [-69.32, -37.82], [-68.97, -37.97], [-68.82, -38.32], [-68.75, -38.35], [-68.5, -38.25], [-68.25, -38.35], [-68.0, -38.25], [-67.47, -38.47], [-67.25, -39.0], [-67.35, -39.25], [-67.25, -39.5], [-67.46, -40.0], [-67.25, -40.5], [-67.35, -40.75], [-67.32, -40.82], [-67.25, -40.85], [-67.0, -40.75], [-66.75, -40.85], [-66.5, -40.75], [-66.25, -40.85], [-66.0, -40.75], [-65.47, -40.97], [-65.25, -41.5], [-65.47, -42.03], [-66.0, -42.25], [-66.25, -42.15], [-66.5, -42.25], [-66.75, -42.15], [-67.0, -42.25], [-67.25, -42.15], [-67.5, -42.25], [-67.75, -42.15], [-68.0, -42.25], [-68.25, -42.15], [-68.5, -42.25], [-69.03, -42.03], [-69.25, -41.5], [-69.15, -41.25], [-69.18, -41.18], [-69.25, -41.15], [-69.5, -41.25], [-70.03, -41.03], [-70.18, -40.68], [-70.25, -40.65], [-70.5, -40.75], [-70.75, -40.65], [-71.0, -40.75], [-71.53, -40.53], [-71.75, -40.0], [-71.53, -39.47], [-71.18, -39.32], [-71.15, -39.25], [-71.18, -39.18], [-71.53, -39.03], [-71.75, -38.5], [-71.65, -38.25], [-71.68, -38.18], [-72.0, -38.04], [-72.5, -38.25], [-72.75, -38.15], [-73.0, -38.25], [-73.25, -38.15], [-73.5, -38.25], [-74.03, -38.03], [-74.25, -37.5], [-74.03, -36.97], [-73.68, -36.82], [-73.53, -36.47], [-73.18, -36.32]]]]}, "2012-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.5, -34.75], [-70.97, -34.97], [-70.75, -35.5], [-70.97, -36.03], [-71.5, -36.25], [-72.03, -36.03], [-72.25, -35.5], [-72.03, -34.97], [-71.5, -34.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.310868994910095}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.410999968767568}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.80576001355763, 21.976274644922455, 23.20967848981047, 22.035894819243026, 22.18942410712549]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.800263491867724, 26.234630026093612, 28.729442544426604, 29.1491404776487, 22.18942410712549]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3080074390402032, 4.110373981872675, 5.289158509444138, 4.11743858294352, 1.8865399140016734]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.855186959374862, 5.833523819208153, 7.310868994910095, 6.1041879934119265, 1.8865399140016734]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6000778926438564, 1.754213483563025, 2.2120023580715262, 1.6154131286954156, 1.2068177807679679]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.799466566292043, 2.7007240318664874, 3.204560376082513, 2.1498641997730794, 1.2068177807679679]}}