{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:27.918704", "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": "2014-May-11_to_2014-May-15_348.5_-71.5"}, "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": 2014050001857}, "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 11 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 15 2014"}, "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": 117835.05731178603}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Southern Ocean"]}, "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": -71.5}, "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": 348.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "348.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 346.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 363.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -72.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -70.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.03, -70.47], [-13.5, -70.25], [-13.25, -70.35], [-13.0, -70.25], [-12.75, -70.35], [-12.5, -70.25], [-12.25, -70.35], [-12.0, -70.25], [-11.75, -70.35], [-11.5, -70.25], [-11.25, -70.35], [-11.18, -70.32], [-11.03, -69.97], [-10.5, -69.75], [-10.25, -69.85], [-10.0, -69.75], [-9.75, -69.85], [-9.5, -69.75], [-9.25, -69.85], [-9.0, -69.75], [-8.75, -69.85], [-8.5, -69.75], [-8.25, -69.85], [-8.0, -69.75], [-7.75, -69.85], [-7.5, -69.75], [-7.25, -69.85], [-7.0, -69.75], [-6.75, -69.85], [-6.5, -69.75], [-6.25, -69.85], [-6.0, -69.75], [-5.75, -69.85], [-5.5, -69.75], [-5.25, -69.85], [-5.0, -69.75], [-4.75, -69.85], [-4.5, -69.75], [-4.25, -69.85], [-4.0, -69.75], [-3.47, -69.97], [-3.25, -70.5], [-3.37, -70.8], [-3.25, -70.85], [-3.0, -70.75], [-2.75, -70.85], [-2.5, -70.75], [-2.25, -70.85], [-2.0, -70.75], [-1.75, -70.85], [-1.5, -70.75], [-1.25, -70.85], [-1.0, -70.75], [-0.75, -70.85], [-0.5, -70.75], [-0.25, -70.85], [0.0, -70.75], [0.25, -70.85], [0.5, -70.75], [0.75, -70.85], [1.0, -70.75], [1.53, -70.97], [1.68, -71.32], [1.75, -71.35], [2.0, -71.25], [2.53, -71.47], [2.68, -71.82], [3.03, -71.97], [3.25, -72.5], [3.03, -73.03], [2.5, -73.25], [2.25, -73.15], [2.0, -73.25], [1.75, -73.15], [1.5, -73.25], [1.25, -73.15], [1.0, -73.25], [0.47, -73.03], [0.32, -72.68], [0.25, -72.65], [0.0, -72.75], [-0.25, -72.65], [-0.5, -72.75], [-0.75, -72.65], [-1.0, -72.75], [-1.25, -72.65], [-1.5, -72.75], [-1.75, -72.65], [-2.0, -72.75], [-2.25, -72.65], [-2.5, -72.75], [-2.75, -72.65], [-3.0, -72.75], [-3.25, -72.65], [-3.5, -72.75], [-3.75, -72.65], [-3.82, -72.68], [-3.97, -73.03], [-4.5, -73.25], [-4.75, -73.15], [-5.0, -73.25], [-5.53, -73.03], [-5.68, -72.68], [-5.75, -72.65], [-6.0, -72.75], [-6.25, -72.65], [-6.5, -72.75], [-6.75, -72.65], [-6.82, -72.68], [-6.97, -73.03], [-7.5, -73.25], [-8.03, -73.03], [-8.18, -72.68], [-8.25, -72.65], [-8.5, -72.75], [-8.75, -72.65], [-9.0, -72.75], [-9.25, -72.65], [-9.5, -72.75], [-9.75, -72.65], [-10.0, -72.75], [-10.25, -72.65], [-10.5, -72.75], [-11.03, -72.53], [-11.18, -72.18], [-11.25, -72.15], [-11.5, -72.25], [-11.75, -72.15], [-12.0, -72.25], [-12.25, -72.15], [-12.5, -72.25], [-12.75, -72.15], [-13.0, -72.25], [-13.25, -72.15], [-13.5, -72.25], [-14.03, -72.03], [-14.25, -71.5], [-14.15, -71.25], [-14.25, -71.0], [-14.03, -70.47]], [[-4.68, -71.32], [-4.62, -71.2], [-4.75, -71.15], [-4.87, -71.2], [-4.82, -71.32], [-4.75, -71.35], [-4.68, -71.32]]]]}, "2014-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.03, -70.47], [-13.5, -70.25], [-13.25, -70.35], [-13.0, -70.25], [-12.75, -70.35], [-12.5, -70.25], [-12.25, -70.35], [-12.0, -70.25], [-11.75, -70.35], [-11.5, -70.25], [-11.25, -70.35], [-11.18, -70.32], [-11.03, -69.97], [-10.5, -69.75], [-10.25, -69.85], [-10.0, -69.75], [-9.75, -69.85], [-9.5, -69.75], [-9.25, -69.85], [-9.0, -69.75], [-8.75, -69.85], [-8.5, -69.75], [-8.25, -69.85], [-8.0, -69.75], [-7.75, -69.85], [-7.5, -69.75], [-7.25, -69.85], [-7.0, -69.75], [-6.75, -69.85], [-6.5, -69.75], [-6.25, -69.85], [-6.0, -69.75], [-5.75, -69.85], [-5.5, -69.75], [-5.25, -69.85], [-5.0, -69.75], [-4.75, -69.85], [-4.5, -69.75], [-4.25, -69.85], [-4.0, -69.75], [-3.75, -69.85], [-3.5, -69.75], [-3.25, -69.85], [-3.0, -69.75], [-2.75, -69.85], [-2.5, -69.75], [-2.25, -69.85], [-2.0, -69.75], [-1.75, -69.85], [-1.5, -69.75], [-1.25, -69.85], [-1.0, -69.75], [-0.75, -69.85], [-0.5, -69.75], [-0.25, -69.85], [0.0, -69.75], [0.25, -69.85], [0.5, -69.75], [0.75, -69.85], [1.0, -69.75], [1.25, -69.85], [1.5, -69.75], [1.75, -69.85], [2.0, -69.75], [2.25, -69.85], [2.5, -69.75], [2.75, -69.85], [3.0, -69.75], [3.53, -69.97], [3.68, -70.32], [4.03, -70.47], [4.25, -71.0], [4.03, -71.53], [3.5, -71.75], [3.25, -71.65], [3.0, -71.75], [2.75, -71.65], [2.63, -71.7], [2.68, -71.82], [3.03, -71.97], [3.25, -72.5], [3.03, -73.03], [2.5, -73.25], [2.25, -73.15], [2.0, -73.25], [1.75, -73.15], [1.5, -73.25], [1.25, -73.15], [1.0, -73.25], [0.47, -73.03], [0.32, -72.68], [0.25, -72.65], [0.0, -72.75], [-0.25, -72.65], [-0.5, -72.75], [-0.75, -72.65], [-1.0, -72.75], [-1.25, -72.65], [-1.5, -72.75], [-1.75, -72.65], [-2.0, -72.75], [-2.25, -72.65], [-2.5, -72.75], [-2.75, -72.65], [-3.0, -72.75], [-3.25, -72.65], [-3.5, -72.75], [-3.75, -72.65], [-3.82, -72.68], [-3.97, -73.03], [-4.5, -73.25], [-4.75, -73.15], [-5.0, -73.25], [-5.53, -73.03], [-5.68, -72.68], [-5.75, -72.65], [-6.0, -72.75], [-6.25, -72.65], [-6.5, -72.75], [-6.75, -72.65], [-6.82, -72.68], [-6.97, -73.03], [-7.5, -73.25], [-8.03, -73.03], [-8.18, -72.68], [-8.25, -72.65], [-8.5, -72.75], [-8.75, -72.65], [-9.0, -72.75], [-9.25, -72.65], [-9.5, -72.75], [-9.75, -72.65], [-10.0, -72.75], [-10.25, -72.65], [-10.5, -72.75], [-11.03, -72.53], [-11.18, -72.18], [-11.25, -72.15], [-11.5, -72.25], [-11.75, -72.15], [-12.0, -72.25], [-12.25, -72.15], [-12.5, -72.25], [-12.75, -72.15], [-13.0, -72.25], [-13.25, -72.15], [-13.5, -72.25], [-14.03, -72.03], [-14.25, -71.5], [-14.15, -71.25], [-14.25, -71.0], [-14.03, -70.47]]]]}, "2014-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.03, -70.47], [-13.5, -70.25], [-13.25, -70.35], [-13.0, -70.25], [-12.75, -70.35], [-12.5, -70.25], [-12.25, -70.35], [-12.0, -70.25], [-11.75, -70.35], [-11.5, -70.25], [-11.25, -70.35], [-11.18, -70.32], [-11.03, -69.97], [-10.5, -69.75], [-10.25, -69.85], [-10.0, -69.75], [-9.75, -69.85], [-9.5, -69.75], [-9.25, -69.85], [-9.0, -69.75], [-8.75, -69.85], [-8.5, -69.75], [-8.25, -69.85], [-8.0, -69.75], [-7.75, -69.85], [-7.5, -69.75], [-7.25, -69.85], [-7.0, -69.75], [-6.75, -69.85], [-6.5, -69.75], [-6.25, -69.85], [-6.0, -69.75], [-5.75, -69.85], [-5.5, -69.75], [-5.25, -69.85], [-5.0, -69.75], [-4.75, -69.85], [-4.5, -69.75], [-4.25, -69.85], [-4.0, -69.75], [-3.75, -69.85], [-3.5, -69.75], [-3.25, -69.85], [-3.0, -69.75], [-2.75, -69.85], [-2.5, -69.75], [-2.25, -69.85], [-2.0, -69.75], [-1.75, -69.85], [-1.5, -69.75], [-1.25, -69.85], [-1.0, -69.75], [-0.75, -69.85], [-0.5, -69.75], [-0.25, -69.85], [0.0, -69.75], [0.25, -69.85], [0.5, -69.75], [0.75, -69.85], [1.0, -69.75], [1.25, -69.85], [1.5, -69.75], [1.75, -69.85], [2.0, -69.75], [2.25, -69.85], [2.5, -69.75], [2.75, -69.85], [3.0, -69.75], [3.53, -69.97], [3.68, -70.32], [4.03, -70.47], [4.25, -71.0], [4.03, -71.53], [3.5, -71.75], [3.25, -71.65], [3.0, -71.75], [2.75, -71.65], [2.63, -71.7], [2.68, -71.82], [3.03, -71.97], [3.25, -72.5], [3.03, -73.03], [2.5, -73.25], [2.25, -73.15], [2.0, -73.25], [1.75, -73.15], [1.5, -73.25], [1.25, -73.15], [1.0, -73.25], [0.47, -73.03], [0.32, -72.68], [0.25, -72.65], [0.0, -72.75], [-0.25, -72.65], [-0.5, -72.75], [-0.75, -72.65], [-1.0, -72.75], [-1.25, -72.65], [-1.5, -72.75], [-1.75, -72.65], [-2.0, -72.75], [-2.25, -72.65], [-2.5, -72.75], [-2.75, -72.65], [-3.0, -72.75], [-3.25, -72.65], [-3.5, -72.75], [-3.75, -72.65], [-3.82, -72.68], [-3.97, -73.03], [-4.5, -73.25], [-4.75, -73.15], [-5.0, -73.25], [-5.53, -73.03], [-5.68, -72.68], [-5.75, -72.65], [-6.0, -72.75], [-6.25, -72.65], [-6.5, -72.75], [-6.75, -72.65], [-6.82, -72.68], [-6.97, -73.03], [-7.5, -73.25], [-8.03, -73.03], [-8.18, -72.68], [-8.25, -72.65], [-8.5, -72.75], [-8.75, -72.65], [-9.0, -72.75], [-9.25, -72.65], [-9.5, -72.75], [-9.75, -72.65], [-10.0, -72.75], [-10.25, -72.65], [-10.5, -72.75], [-11.03, -72.53], [-11.18, -72.18], [-11.25, -72.15], [-11.5, -72.25], [-11.75, -72.15], [-12.0, -72.25], [-12.25, -72.15], [-12.5, -72.25], [-12.75, -72.15], [-13.0, -72.25], [-13.25, -72.15], [-13.5, -72.25], [-14.03, -72.03], [-14.25, -71.5], [-14.15, -71.25], [-14.25, -71.0], [-14.03, -70.47]]]]}, "2014-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, -72.03], [-12.25, -71.5], [-12.03, -70.97], [-11.5, -70.75], [-10.97, -70.97], [-10.75, -71.5], [-10.97, -72.03], [-11.5, -72.25], [-12.03, -72.03]]], [[[-5.0, -69.75], [-4.75, -69.85], [-4.5, -69.75], [-4.25, -69.85], [-4.0, -69.75], [-3.75, -69.85], [-3.5, -69.75], [-3.25, -69.85], [-3.0, -69.75], [-2.75, -69.85], [-2.5, -69.75], [-2.25, -69.85], [-2.0, -69.75], [-1.75, -69.85], [-1.5, -69.75], [-1.25, -69.85], [-1.0, -69.75], [-0.75, -69.85], [-0.5, -69.75], [-0.25, -69.85], [0.0, -69.75], [0.25, -69.85], [0.5, -69.75], [0.75, -69.85], [1.0, -69.75], [1.25, -69.85], [1.5, -69.75], [1.75, -69.85], [2.0, -69.75], [2.25, -69.85], [2.5, -69.75], [2.75, -69.85], [3.0, -69.75], [3.53, -69.97], [3.68, -70.32], [4.03, -70.47], [4.25, -71.0], [4.03, -71.53], [3.5, -71.75], [3.25, -71.65], [3.0, -71.75], [2.75, -71.65], [2.5, -71.75], [2.25, -71.65], [2.0, -71.75], [1.75, -71.65], [1.5, -71.75], [1.25, -71.65], [1.0, -71.75], [0.75, -71.65], [0.5, -71.75], [0.25, -71.65], [0.0, -71.75], [-0.25, -71.65], [-0.5, -71.75], [-0.75, -71.65], [-1.0, -71.75], [-1.25, -71.65], [-1.5, -71.75], [-1.75, -71.65], [-2.0, -71.75], [-2.25, -71.65], [-2.5, -71.75], [-2.75, -71.65], [-3.0, -71.75], [-3.25, -71.65], [-3.32, -71.68], [-3.47, -72.03], [-3.82, -72.18], [-3.97, -72.53], [-4.5, -72.75], [-5.03, -72.53], [-5.18, -72.18], [-5.53, -72.03], [-5.75, -71.5], [-5.54, -71.0], [-5.75, -70.5], [-5.53, -69.97], [-5.0, -69.75]]]]}, "2014-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.5, -70.75], [-10.97, -70.97], [-10.75, -71.5], [-10.97, -72.03], [-11.5, -72.25], [-12.03, -72.03], [-12.25, -71.5], [-12.03, -70.97], [-11.5, -70.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 16.31573658273217}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 10.27706165674391}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-11.07209115733042, -8.494252959049845, -10.514779052943084, -10.242018630776329, -11.424576644269166]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-7.11150204597368, -4.650731974295866, -6.532390564298396, -8.813879904764121, -11.424576644269166]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.72170031221132, 11.540385995549851, 10.171945942562555, 10.225106631807508, 9.740963248335675]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [12.10238027057494, 16.31573658273217, 13.407292611248977, 12.118561021141744, 9.740963248335675]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4776029574330585, 1.858914752330012, 1.6610797121563157, 1.5064723214780644, 1.4283903839427912]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6373380724218372, 2.3958575691957087, 2.096419220788425, 1.61785678386781, 1.4283903839427912]}}