{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:00.143489", "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-Mar-04_to_2011-Mar-07_155.0_-81.5"}, "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": 2011030001681}, "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 04 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 07 2011"}, "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": 63905.37944055266}, "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": -81.5}, "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": 155.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "155.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 135.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 156.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -82.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -79.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, -81.53], [134.75, -81.0], [134.97, -80.47], [135.5, -80.25], [135.75, -80.35], [136.0, -80.25], [136.25, -80.35], [136.32, -80.32], [136.47, -79.97], [137.0, -79.75], [137.25, -79.85], [137.32, -79.82], [137.47, -79.47], [138.0, -79.25], [138.25, -79.35], [138.5, -79.25], [138.75, -79.35], [139.0, -79.25], [139.25, -79.35], [139.5, -79.25], [139.75, -79.35], [140.0, -79.25], [140.25, -79.35], [140.5, -79.25], [140.75, -79.35], [141.0, -79.25], [141.25, -79.35], [141.5, -79.25], [141.75, -79.35], [142.0, -79.25], [142.25, -79.35], [142.5, -79.25], [142.75, -79.35], [143.0, -79.25], [143.25, -79.35], [143.5, -79.25], [143.75, -79.35], [144.0, -79.25], [144.25, -79.35], [144.5, -79.25], [144.75, -79.35], [145.0, -79.25], [145.25, -79.35], [145.5, -79.25], [146.03, -79.47], [146.18, -79.82], [146.25, -79.85], [146.5, -79.75], [146.75, -79.85], [147.0, -79.75], [147.25, -79.85], [147.5, -79.75], [147.75, -79.85], [148.0, -79.75], [148.25, -79.85], [148.5, -79.75], [148.75, -79.85], [149.0, -79.75], [149.25, -79.85], [149.5, -79.75], [149.75, -79.85], [150.0, -79.75], [150.25, -79.85], [150.5, -79.75], [150.75, -79.85], [151.0, -79.75], [151.25, -79.85], [151.5, -79.75], [151.75, -79.85], [152.0, -79.75], [152.53, -79.97], [152.68, -80.32], [152.75, -80.35], [153.0, -80.25], [153.25, -80.35], [153.5, -80.25], [154.03, -80.47], [154.18, -80.82], [154.25, -80.85], [154.5, -80.75], [154.75, -80.85], [155.0, -80.75], [155.53, -80.97], [155.75, -81.5], [155.53, -82.03], [155.0, -82.25], [154.75, -82.15], [154.68, -82.18], [154.53, -82.53], [154.0, -82.75], [153.75, -82.65], [153.5, -82.75], [153.25, -82.65], [153.0, -82.75], [152.47, -82.53], [152.32, -82.18], [152.25, -82.15], [152.0, -82.25], [151.75, -82.15], [151.5, -82.25], [151.25, -82.15], [151.0, -82.25], [150.75, -82.15], [150.5, -82.25], [150.25, -82.15], [150.0, -82.25], [149.75, -82.15], [149.5, -82.25], [149.25, -82.15], [149.18, -82.18], [149.03, -82.53], [148.5, -82.75], [148.25, -82.65], [148.0, -82.75], [147.75, -82.65], [147.5, -82.75], [147.25, -82.65], [147.0, -82.75], [146.75, -82.65], [146.5, -82.75], [146.25, -82.65], [146.0, -82.75], [145.75, -82.65], [145.5, -82.75], [145.25, -82.65], [145.0, -82.75], [144.75, -82.65], [144.5, -82.75], [143.97, -82.53], [143.82, -82.18], [143.75, -82.15], [143.5, -82.25], [143.25, -82.15], [143.0, -82.25], [142.75, -82.15], [142.5, -82.25], [142.25, -82.15], [142.0, -82.25], [141.75, -82.15], [141.5, -82.25], [141.25, -82.15], [141.0, -82.25], [140.75, -82.15], [140.5, -82.25], [140.25, -82.15], [140.0, -82.25], [139.75, -82.15], [139.5, -82.25], [139.25, -82.15], [139.0, -82.25], [138.47, -82.03], [138.32, -81.68], [138.25, -81.65], [138.0, -81.75], [137.75, -81.65], [137.5, -81.75], [137.25, -81.65], [137.0, -81.75], [136.75, -81.65], [136.5, -81.75], [136.25, -81.65], [136.0, -81.75], [135.75, -81.65], [135.5, -81.75], [134.97, -81.53]]]]}, "2011-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, -81.53], [134.75, -81.0], [134.97, -80.47], [135.5, -80.25], [135.75, -80.35], [136.0, -80.25], [136.25, -80.35], [136.32, -80.32], [136.47, -79.97], [137.0, -79.75], [137.25, -79.85], [137.32, -79.82], [137.47, -79.47], [138.0, -79.25], [138.25, -79.35], [138.5, -79.25], [138.75, -79.35], [139.0, -79.25], [139.25, -79.35], [139.5, -79.25], [139.75, -79.35], [140.0, -79.25], [140.25, -79.35], [140.5, -79.25], [140.75, -79.35], [141.0, -79.25], [141.25, -79.35], [141.5, -79.25], [141.75, -79.35], [142.0, -79.25], [142.25, -79.35], [142.5, -79.25], [142.75, -79.35], [143.0, -79.25], [143.25, -79.35], [143.5, -79.25], [143.75, -79.35], [144.0, -79.25], [144.25, -79.35], [144.5, -79.25], [144.75, -79.35], [145.0, -79.25], [145.25, -79.35], [145.5, -79.25], [146.03, -79.47], [146.18, -79.82], [146.25, -79.85], [146.5, -79.75], [146.75, -79.85], [147.0, -79.75], [147.25, -79.85], [147.5, -79.75], [147.75, -79.85], [148.0, -79.75], [148.25, -79.85], [148.5, -79.75], [148.75, -79.85], [149.0, -79.75], [149.25, -79.85], [149.5, -79.75], [149.75, -79.85], [150.0, -79.75], [150.25, -79.85], [150.5, -79.75], [150.75, -79.85], [151.0, -79.75], [151.25, -79.85], [151.5, -79.75], [151.75, -79.85], [152.0, -79.75], [152.53, -79.97], [152.68, -80.32], [152.75, -80.35], [153.0, -80.25], [153.25, -80.35], [153.5, -80.25], [154.03, -80.47], [154.18, -80.82], [154.25, -80.85], [154.5, -80.75], [154.75, -80.85], [155.0, -80.75], [155.25, -80.85], [155.5, -80.75], [155.75, -80.85], [156.0, -80.75], [156.25, -80.85], [156.5, -80.75], [157.03, -80.97], [157.25, -81.5], [157.03, -82.03], [156.5, -82.25], [156.25, -82.15], [156.0, -82.25], [155.75, -82.15], [155.5, -82.25], [155.25, -82.15], [155.0, -82.25], [154.75, -82.15], [154.68, -82.18], [154.53, -82.53], [154.0, -82.75], [153.75, -82.65], [153.5, -82.75], [153.25, -82.65], [153.0, -82.75], [152.47, -82.53], [152.32, -82.18], [152.25, -82.15], [152.0, -82.25], [151.75, -82.15], [151.5, -82.25], [151.25, -82.15], [151.0, -82.25], [150.75, -82.15], [150.5, -82.25], [150.25, -82.15], [150.0, -82.25], [149.75, -82.15], [149.5, -82.25], [149.25, -82.15], [149.18, -82.18], [149.03, -82.53], [148.5, -82.75], [148.25, -82.65], [148.0, -82.75], [147.75, -82.65], [147.5, -82.75], [147.25, -82.65], [147.0, -82.75], [146.75, -82.65], [146.5, -82.75], [146.25, -82.65], [146.0, -82.75], [145.75, -82.65], [145.5, -82.75], [145.25, -82.65], [145.0, -82.75], [144.75, -82.65], [144.5, -82.75], [143.97, -82.53], [143.82, -82.18], [143.75, -82.15], [143.5, -82.25], [143.25, -82.15], [143.0, -82.25], [142.75, -82.15], [142.5, -82.25], [142.25, -82.15], [142.0, -82.25], [141.75, -82.15], [141.5, -82.25], [141.25, -82.15], [141.0, -82.25], [140.75, -82.15], [140.5, -82.25], [140.25, -82.15], [140.0, -82.25], [139.75, -82.15], [139.5, -82.25], [139.25, -82.15], [139.0, -82.25], [138.47, -82.03], [138.32, -81.68], [138.25, -81.65], [138.0, -81.75], [137.75, -81.65], [137.5, -81.75], [137.25, -81.65], [137.0, -81.75], [136.75, -81.65], [136.5, -81.75], [136.25, -81.65], [136.0, -81.75], [135.75, -81.65], [135.5, -81.75], [134.97, -81.53]]]]}, "2011-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, -81.53], [134.75, -81.0], [134.97, -80.47], [135.5, -80.25], [135.75, -80.35], [136.0, -80.25], [136.25, -80.35], [136.32, -80.32], [136.47, -79.97], [137.0, -79.75], [137.25, -79.85], [137.32, -79.82], [137.47, -79.47], [138.0, -79.25], [138.25, -79.35], [138.5, -79.25], [138.75, -79.35], [139.0, -79.25], [139.25, -79.35], [139.5, -79.25], [139.75, -79.35], [140.0, -79.25], [140.25, -79.35], [140.5, -79.25], [140.75, -79.35], [141.0, -79.25], [141.25, -79.35], [141.5, -79.25], [141.75, -79.35], [142.0, -79.25], [142.25, -79.35], [142.5, -79.25], [142.75, -79.35], [143.0, -79.25], [143.25, -79.35], [143.5, -79.25], [143.75, -79.35], [144.0, -79.25], [144.25, -79.35], [144.5, -79.25], [144.75, -79.35], [145.0, -79.25], [145.25, -79.35], [145.5, -79.25], [146.03, -79.47], [146.18, -79.82], [146.25, -79.85], [146.5, -79.75], [146.75, -79.85], [147.0, -79.75], [147.25, -79.85], [147.5, -79.75], [147.75, -79.85], [148.0, -79.75], [148.25, -79.85], [148.5, -79.75], [148.75, -79.85], [149.0, -79.75], [149.25, -79.85], [149.5, -79.75], [149.75, -79.85], [150.0, -79.75], [150.25, -79.85], [150.5, -79.75], [150.75, -79.85], [151.0, -79.75], [151.25, -79.85], [151.5, -79.75], [151.75, -79.85], [152.0, -79.75], [152.53, -79.97], [152.68, -80.32], [152.75, -80.35], [153.0, -80.25], [153.25, -80.35], [153.5, -80.25], [154.03, -80.47], [154.18, -80.82], [154.25, -80.85], [154.5, -80.75], [154.75, -80.85], [155.0, -80.75], [155.25, -80.85], [155.5, -80.75], [155.75, -80.85], [156.0, -80.75], [156.25, -80.85], [156.5, -80.75], [157.03, -80.97], [157.25, -81.5], [157.03, -82.03], [156.5, -82.25], [156.25, -82.15], [156.0, -82.25], [155.75, -82.15], [155.5, -82.25], [155.25, -82.15], [155.0, -82.25], [154.75, -82.15], [154.68, -82.18], [154.53, -82.53], [154.0, -82.75], [153.75, -82.65], [153.5, -82.75], [153.25, -82.65], [153.0, -82.75], [152.47, -82.53], [152.32, -82.18], [152.25, -82.15], [152.0, -82.25], [151.75, -82.15], [151.5, -82.25], [151.25, -82.15], [151.0, -82.25], [150.75, -82.15], [150.5, -82.25], [150.25, -82.15], [150.0, -82.25], [149.75, -82.15], [149.5, -82.25], [149.25, -82.15], [149.18, -82.18], [149.03, -82.53], [148.5, -82.75], [148.25, -82.65], [148.0, -82.75], [147.75, -82.65], [147.5, -82.75], [147.25, -82.65], [147.0, -82.75], [146.75, -82.65], [146.5, -82.75], [146.25, -82.65], [146.0, -82.75], [145.75, -82.65], [145.5, -82.75], [145.25, -82.65], [145.0, -82.75], [144.75, -82.65], [144.5, -82.75], [143.97, -82.53], [143.82, -82.18], [143.75, -82.15], [143.5, -82.25], [143.25, -82.15], [143.0, -82.25], [142.75, -82.15], [142.5, -82.25], [142.25, -82.15], [142.0, -82.25], [141.75, -82.15], [141.5, -82.25], [141.25, -82.15], [141.0, -82.25], [140.75, -82.15], [140.5, -82.25], [140.25, -82.15], [140.0, -82.25], [139.75, -82.15], [139.5, -82.25], [139.25, -82.15], [139.0, -82.25], [138.47, -82.03], [138.32, -81.68], [138.25, -81.65], [138.0, -81.75], [137.75, -81.65], [137.5, -81.75], [137.25, -81.65], [137.0, -81.75], [136.75, -81.65], [136.5, -81.75], [136.25, -81.65], [136.0, -81.75], [135.75, -81.65], [135.5, -81.75], [134.97, -81.53]]]]}, "2011-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[154.47, -82.03], [154.25, -81.5], [154.47, -80.97], [155.0, -80.75], [155.25, -80.85], [155.5, -80.75], [155.75, -80.85], [156.0, -80.75], [156.25, -80.85], [156.5, -80.75], [157.03, -80.97], [157.25, -81.5], [157.03, -82.03], [156.5, -82.25], [156.25, -82.15], [156.0, -82.25], [155.75, -82.15], [155.5, -82.25], [155.25, -82.15], [155.0, -82.25], [154.47, -82.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.000771677351224}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.733750683006791}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-31.299538806495434, -30.394931273982365, -31.47666334932802, -24.93311655691278]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-23.947730479589808, -22.506593876000352, -22.66748942534764, -24.618501212211783]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.313552531022408, 7.372855379207162, 6.533724241324823, 5.795558685396024]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.952286048880694, 9.000771677351224, 7.8638986957398345, 6.082143400434489]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7606205260087437, 2.017593463601792, 1.789761395385133, 1.3884771855665277]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.015111862789059, 2.225216745406937, 2.0670622588051715, 1.4423403093915723]}}