{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:31.429794", "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": "2011-May-12_to_2011-May-16_290.0_-32.5"}, "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": 2011050002048}, "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": "May 12 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 16 2011"}, "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": 50518.93281772068}, "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.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": -32.5}, "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": 290.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.25}, "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": -33.25}, "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": {"2011-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.04, -31.0], [-71.25, -30.5], [-71.03, -29.97], [-70.5, -29.75], [-70.25, -29.85], [-70.0, -29.75], [-69.47, -29.97], [-69.25, -30.5], [-69.35, -30.75], [-69.25, -31.0], [-69.46, -31.5], [-69.25, -32.0], [-69.35, -32.25], [-69.25, -32.5], [-69.47, -33.03], [-69.82, -33.18], [-69.97, -33.53], [-70.5, -33.75], [-71.03, -33.53], [-71.25, -33.0], [-71.04, -32.5], [-71.25, -32.0], [-71.15, -31.75], [-71.25, -31.5], [-71.04, -31.0]]]]}, "2011-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, -31.25], [-71.25, -31.0], [-71.15, -30.75], [-71.25, -30.5], [-71.15, -30.25], [-71.25, -30.0], [-71.03, -29.47], [-70.68, -29.32], [-70.65, -29.25], [-70.75, -29.0], [-70.53, -28.47], [-70.12, -28.3], [-70.25, -28.0], [-70.03, -27.47], [-69.5, -27.25], [-68.97, -27.47], [-68.75, -28.0], [-68.96, -28.5], [-68.75, -29.0], [-68.85, -29.25], [-68.75, -29.5], [-68.97, -30.03], [-69.32, -30.18], [-69.35, -30.25], [-69.25, -30.5], [-69.35, -30.75], [-69.25, -31.0], [-69.46, -31.5], [-69.25, -32.0], [-69.35, -32.25], [-69.25, -32.5], [-69.47, -33.03], [-69.82, -33.18], [-69.97, -33.53], [-70.5, -33.75], [-71.03, -33.53], [-71.25, -33.0], [-71.04, -32.5], [-71.25, -32.0], [-71.15, -31.75], [-71.25, -31.5], [-71.15, -31.25]]]]}, "2011-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, -31.25], [-71.25, -31.0], [-71.15, -30.75], [-71.25, -30.5], [-71.15, -30.25], [-71.25, -30.0], [-71.03, -29.47], [-70.68, -29.32], [-70.65, -29.25], [-70.75, -29.0], [-70.53, -28.47], [-70.18, -28.32], [-70.15, -28.25], [-70.25, -28.0], [-70.03, -27.47], [-69.5, -27.25], [-68.97, -27.47], [-68.75, -28.0], [-68.85, -28.25], [-68.75, -28.5], [-68.85, -28.75], [-68.75, -29.0], [-68.85, -29.25], [-68.75, -29.5], [-68.97, -30.03], [-69.32, -30.18], [-69.35, -30.25], [-69.25, -30.5], [-69.35, -30.75], [-69.25, -31.0], [-69.35, -31.25], [-69.25, -31.5], [-69.35, -31.75], [-69.25, -32.0], [-69.35, -32.25], [-69.25, -32.5], [-69.35, -32.75], [-69.25, -33.0], [-69.47, -33.53], [-70.0, -33.75], [-70.25, -33.65], [-70.5, -33.75], [-71.03, -33.53], [-71.25, -33.0], [-71.04, -32.5], [-71.25, -32.0], [-71.15, -31.75], [-71.25, -31.5], [-71.15, -31.25]]]]}, "2011-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.15, -31.25], [-71.25, -31.0], [-71.15, -30.75], [-71.25, -30.5], [-71.15, -30.25], [-71.25, -30.0], [-71.03, -29.47], [-70.68, -29.32], [-70.65, -29.25], [-70.75, -29.0], [-70.53, -28.47], [-70.18, -28.32], [-70.15, -28.25], [-70.25, -28.0], [-70.03, -27.47], [-69.5, -27.25], [-68.97, -27.47], [-68.75, -28.0], [-68.85, -28.25], [-68.75, -28.5], [-68.85, -28.75], [-68.75, -29.0], [-68.85, -29.25], [-68.75, -29.5], [-68.97, -30.03], [-69.32, -30.18], [-69.35, -30.25], [-69.25, -30.5], [-69.35, -30.75], [-69.25, -31.0], [-69.35, -31.25], [-69.25, -31.5], [-69.35, -31.75], [-69.25, -32.0], [-69.35, -32.25], [-69.25, -32.5], [-69.35, -32.75], [-69.25, -33.0], [-69.47, -33.53], [-70.0, -33.75], [-70.53, -33.53], [-70.75, -33.0], [-70.65, -32.75], [-70.68, -32.68], [-71.03, -32.53], [-71.25, -32.0], [-71.15, -31.75], [-71.25, -31.5], [-71.15, -31.25]]]]}, "2011-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.25, -32.0], [-71.03, -31.47], [-70.68, -31.32], [-70.65, -31.25], [-70.68, -31.18], [-71.03, -31.03], [-71.25, -30.5], [-71.03, -29.97], [-70.68, -29.82], [-70.65, -29.75], [-70.75, -29.5], [-70.53, -28.97], [-70.18, -28.82], [-70.15, -28.75], [-70.25, -28.5], [-70.15, -28.25], [-70.25, -28.0], [-70.03, -27.47], [-69.5, -27.25], [-68.97, -27.47], [-68.75, -28.0], [-68.85, -28.25], [-68.75, -28.5], [-68.85, -28.75], [-68.75, -29.0], [-68.85, -29.25], [-68.75, -29.5], [-68.97, -30.03], [-69.32, -30.18], [-69.35, -30.25], [-69.25, -30.5], [-69.35, -30.75], [-69.25, -31.0], [-69.35, -31.25], [-69.25, -31.5], [-69.35, -31.75], [-69.25, -32.0], [-69.35, -32.25], [-69.25, -32.5], [-69.35, -32.75], [-69.25, -33.0], [-69.47, -33.53], [-70.0, -33.75], [-70.53, -33.53], [-70.75, -33.0], [-70.65, -32.75], [-70.68, -32.68], [-71.03, -32.53], [-71.25, -32.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.709142270986092}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.312132214063223}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [3.38156536025258, 2.5971780090484344, 2.567974524802139, 2.171296243733252, 0.37063034558326535]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.407851964780718, 9.869283495833258, 10.520194666378643, 9.971779697197348, 5.06209106808933]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.227833437030306, 4.637487474597698, 5.486988357435306, 5.757616930907807, 5.321254672666056]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.029388838903174, 6.014564761862459, 8.441041304258249, 8.709142270986092, 6.891281583777811]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4840741059092069, 1.2863281160636686, 1.4608118266366157, 1.5159087414289998, 1.3476409533554146]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7208206992110204, 1.4515860316832918, 1.7615857905602963, 1.865146762851914, 1.6269881280662728]}}