{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:28.424020", "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": "2016-May-06_to_2016-May-09_58.0_-73.5"}, "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": 2016050001311}, "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 06 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 09 2016"}, "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": 115590.29302004543}, "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": []}, "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": -73.5}, "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": 58.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "58.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 53.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 68.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -75.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -71.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.47, -71.97], [54.0, -71.75], [54.25, -71.85], [54.5, -71.75], [54.75, -71.85], [55.0, -71.75], [55.25, -71.85], [55.5, -71.75], [55.75, -71.85], [56.0, -71.75], [56.25, -71.85], [56.5, -71.75], [56.75, -71.85], [57.0, -71.75], [57.53, -71.97], [57.68, -72.32], [57.75, -72.35], [58.0, -72.25], [58.25, -72.35], [58.5, -72.25], [59.03, -72.47], [59.25, -73.0], [59.03, -73.53], [58.68, -73.68], [58.53, -74.03], [58.18, -74.18], [58.03, -74.53], [57.5, -74.75], [57.25, -74.65], [57.0, -74.75], [56.47, -74.53], [56.32, -74.18], [55.97, -74.03], [55.82, -73.68], [55.75, -73.65], [55.5, -73.75], [55.25, -73.65], [55.0, -73.75], [54.75, -73.65], [54.5, -73.75], [54.25, -73.65], [54.0, -73.75], [53.47, -73.53], [53.25, -73.0], [53.35, -72.75], [53.25, -72.5], [53.47, -71.97]]]]}, "2016-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.47, -71.97], [54.0, -71.75], [54.25, -71.85], [54.32, -71.82], [54.47, -71.47], [55.0, -71.25], [55.25, -71.35], [55.5, -71.25], [56.03, -71.47], [56.18, -71.82], [56.25, -71.85], [56.32, -71.82], [56.47, -71.47], [57.0, -71.25], [57.25, -71.35], [57.5, -71.25], [57.75, -71.35], [58.0, -71.25], [58.25, -71.35], [58.5, -71.25], [58.75, -71.35], [58.82, -71.32], [58.97, -70.97], [59.5, -70.75], [60.03, -70.97], [60.18, -71.32], [60.25, -71.35], [60.5, -71.25], [60.75, -71.35], [61.0, -71.25], [61.25, -71.35], [61.32, -71.32], [61.47, -70.97], [62.0, -70.75], [62.25, -70.85], [62.5, -70.75], [63.03, -70.97], [63.18, -71.32], [63.25, -71.35], [63.5, -71.25], [64.03, -71.47], [64.18, -71.82], [64.25, -71.85], [64.5, -71.75], [64.75, -71.85], [64.82, -71.82], [64.97, -71.47], [65.5, -71.25], [65.75, -71.35], [66.0, -71.25], [66.53, -71.47], [66.75, -72.0], [66.65, -72.25], [66.75, -72.5], [66.65, -72.75], [66.68, -72.82], [66.75, -72.85], [67.0, -72.75], [67.53, -72.97], [67.68, -73.32], [67.75, -73.35], [68.0, -73.25], [68.25, -73.35], [68.5, -73.25], [69.03, -73.47], [69.25, -74.0], [69.03, -74.53], [68.5, -74.75], [68.25, -74.65], [68.0, -74.75], [67.75, -74.65], [67.68, -74.68], [67.65, -74.75], [67.75, -75.0], [67.53, -75.53], [67.0, -75.75], [66.75, -75.65], [66.5, -75.75], [65.97, -75.53], [65.82, -75.18], [65.75, -75.15], [65.5, -75.25], [65.25, -75.15], [65.0, -75.25], [64.75, -75.15], [64.5, -75.25], [64.25, -75.15], [64.0, -75.25], [63.75, -75.15], [63.5, -75.25], [63.25, -75.15], [63.0, -75.25], [62.75, -75.15], [62.5, -75.25], [61.97, -75.03], [61.82, -74.68], [61.75, -74.65], [61.5, -74.75], [61.25, -74.65], [61.0, -74.75], [60.75, -74.65], [60.5, -74.75], [60.25, -74.65], [60.0, -74.75], [59.75, -74.65], [59.5, -74.75], [59.25, -74.65], [59.0, -74.75], [58.75, -74.65], [58.5, -74.75], [58.25, -74.65], [58.0, -74.75], [57.75, -74.65], [57.5, -74.75], [57.25, -74.65], [57.0, -74.75], [56.47, -74.53], [56.32, -74.18], [55.97, -74.03], [55.82, -73.68], [55.75, -73.65], [55.5, -73.75], [55.25, -73.65], [55.0, -73.75], [54.75, -73.65], [54.5, -73.75], [54.25, -73.65], [54.0, -73.75], [53.47, -73.53], [53.25, -73.0], [53.35, -72.75], [53.25, -72.5], [53.47, -71.97]]]]}, "2016-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.47, -71.97], [54.0, -71.75], [54.25, -71.85], [54.32, -71.82], [54.47, -71.47], [55.0, -71.25], [55.25, -71.35], [55.5, -71.25], [56.03, -71.47], [56.18, -71.82], [56.25, -71.85], [56.32, -71.82], [56.47, -71.47], [57.0, -71.25], [57.25, -71.35], [57.5, -71.25], [57.75, -71.35], [58.0, -71.25], [58.25, -71.35], [58.5, -71.25], [58.75, -71.35], [58.82, -71.32], [58.97, -70.97], [59.5, -70.75], [60.03, -70.97], [60.18, -71.32], [60.25, -71.35], [60.5, -71.25], [60.75, -71.35], [61.0, -71.25], [61.25, -71.35], [61.32, -71.32], [61.47, -70.97], [62.0, -70.75], [62.25, -70.85], [62.5, -70.75], [63.03, -70.97], [63.18, -71.32], [63.25, -71.35], [63.5, -71.25], [64.03, -71.47], [64.18, -71.82], [64.25, -71.85], [64.5, -71.75], [64.75, -71.85], [64.82, -71.82], [64.97, -71.47], [65.5, -71.25], [65.75, -71.35], [66.0, -71.25], [66.53, -71.47], [66.75, -72.0], [66.65, -72.25], [66.75, -72.5], [66.65, -72.75], [66.68, -72.82], [66.75, -72.85], [67.0, -72.75], [67.53, -72.97], [67.68, -73.32], [67.75, -73.35], [68.0, -73.25], [68.25, -73.35], [68.5, -73.25], [69.03, -73.47], [69.25, -74.0], [69.03, -74.53], [68.5, -74.75], [68.25, -74.65], [68.0, -74.75], [67.75, -74.65], [67.68, -74.68], [67.65, -74.75], [67.75, -75.0], [67.53, -75.53], [67.0, -75.75], [66.75, -75.65], [66.5, -75.75], [65.97, -75.53], [65.82, -75.18], [65.75, -75.15], [65.5, -75.25], [65.25, -75.15], [65.0, -75.25], [64.75, -75.15], [64.5, -75.25], [64.25, -75.15], [64.0, -75.25], [63.75, -75.15], [63.5, -75.25], [63.25, -75.15], [63.0, -75.25], [62.75, -75.15], [62.5, -75.25], [61.97, -75.03], [61.82, -74.68], [61.75, -74.65], [61.5, -74.75], [61.25, -74.65], [61.0, -74.75], [60.75, -74.65], [60.5, -74.75], [60.25, -74.65], [60.0, -74.75], [59.75, -74.65], [59.5, -74.75], [59.25, -74.65], [59.0, -74.75], [58.75, -74.65], [58.5, -74.75], [58.25, -74.65], [58.0, -74.75], [57.75, -74.65], [57.5, -74.75], [57.25, -74.65], [57.0, -74.75], [56.47, -74.53], [56.32, -74.18], [55.97, -74.03], [55.82, -73.68], [55.75, -73.65], [55.5, -73.75], [55.25, -73.65], [55.0, -73.75], [54.75, -73.65], [54.5, -73.75], [54.25, -73.65], [54.0, -73.75], [53.47, -73.53], [53.25, -73.0], [53.35, -72.75], [53.25, -72.5], [53.47, -71.97]]]]}, "2016-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.47, -71.97], [54.0, -71.75], [54.25, -71.85], [54.32, -71.82], [54.47, -71.47], [55.0, -71.25], [55.25, -71.35], [55.5, -71.25], [56.03, -71.47], [56.18, -71.82], [56.25, -71.85], [56.32, -71.82], [56.47, -71.47], [57.0, -71.25], [57.25, -71.35], [57.5, -71.25], [57.75, -71.35], [58.0, -71.25], [58.25, -71.35], [58.5, -71.25], [58.75, -71.35], [58.82, -71.32], [58.97, -70.97], [59.5, -70.75], [60.03, -70.97], [60.18, -71.32], [60.25, -71.35], [60.5, -71.25], [60.75, -71.35], [61.0, -71.25], [61.25, -71.35], [61.32, -71.32], [61.47, -70.97], [62.0, -70.75], [62.25, -70.85], [62.5, -70.75], [63.03, -70.97], [63.18, -71.32], [63.25, -71.35], [63.5, -71.25], [64.03, -71.47], [64.18, -71.82], [64.25, -71.85], [64.5, -71.75], [64.75, -71.85], [64.82, -71.82], [64.97, -71.47], [65.5, -71.25], [65.75, -71.35], [66.0, -71.25], [66.53, -71.47], [66.75, -72.0], [66.65, -72.25], [66.75, -72.5], [66.65, -72.75], [66.68, -72.82], [66.75, -72.85], [67.0, -72.75], [67.53, -72.97], [67.68, -73.32], [67.75, -73.35], [68.0, -73.25], [68.25, -73.35], [68.5, -73.25], [69.03, -73.47], [69.25, -74.0], [69.03, -74.53], [68.5, -74.75], [68.25, -74.65], [68.0, -74.75], [67.75, -74.65], [67.68, -74.68], [67.65, -74.75], [67.75, -75.0], [67.53, -75.53], [67.0, -75.75], [66.75, -75.65], [66.5, -75.75], [65.97, -75.53], [65.82, -75.18], [65.75, -75.15], [65.5, -75.25], [65.25, -75.15], [65.0, -75.25], [64.75, -75.15], [64.5, -75.25], [64.25, -75.15], [64.0, -75.25], [63.75, -75.15], [63.5, -75.25], [63.25, -75.15], [63.0, -75.25], [62.75, -75.15], [62.5, -75.25], [61.97, -75.03], [61.82, -74.68], [61.75, -74.65], [61.5, -74.75], [61.25, -74.65], [61.0, -74.75], [60.75, -74.65], [60.5, -74.75], [60.25, -74.65], [60.0, -74.75], [59.75, -74.65], [59.5, -74.75], [59.25, -74.65], [59.0, -74.75], [58.75, -74.65], [58.5, -74.75], [58.25, -74.65], [58.0, -74.75], [57.75, -74.65], [57.5, -74.75], [57.25, -74.65], [57.0, -74.75], [56.47, -74.53], [56.32, -74.18], [55.97, -74.03], [55.82, -73.68], [55.75, -73.65], [55.5, -73.75], [55.25, -73.65], [55.0, -73.75], [54.75, -73.65], [54.5, -73.75], [54.25, -73.65], [54.0, -73.75], [53.47, -73.53], [53.25, -73.0], [53.35, -72.75], [53.25, -72.5], [53.47, -71.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.805021605523365}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.464939173448657}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-39.58982321571264, -32.30248787090525, -31.857304462649495, -30.473792890273927]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-38.13597382018904, -22.40736236408307, -20.364665982476367, -21.09777485973578]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.196465313775517, 7.776429541283177, 8.195060466361495, 9.471194945046161]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.863679645973605, 9.328732309477289, 10.805021605523365, 10.357785422940935]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6210601481172124, 1.657731895899813, 1.7866657075278252, 1.9900173170425608]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8125603731974937, 1.844013958224345, 2.170408524696986, 2.292396929782715]}}