{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:37.193177", "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": "2025-Aug-07_to_2025-Aug-10_110.0_-66.5"}, "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": 2025080001427}, "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": "August 07 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 10 2025"}, "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": 154498.4166180386}, "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": -66.5}, "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": 110.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 118.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -70.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -66.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.47, -67.03], [109.25, -66.5], [109.47, -65.97], [110.0, -65.75], [110.25, -65.85], [110.5, -65.75], [111.03, -65.97], [111.25, -66.5], [111.03, -67.03], [110.5, -67.25], [110.25, -67.15], [110.0, -67.25], [109.47, -67.03]]]]}, "2025-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, -67.97], [103.82, -67.82], [103.97, -67.47], [104.32, -67.32], [104.35, -67.25], [104.32, -67.18], [103.97, -67.03], [103.75, -66.5], [103.97, -65.97], [104.5, -65.75], [104.75, -65.85], [105.0, -65.75], [105.25, -65.85], [105.5, -65.75], [105.75, -65.85], [106.0, -65.75], [106.25, -65.85], [106.5, -65.75], [107.03, -65.97], [107.18, -66.32], [107.25, -66.35], [107.5, -66.25], [107.75, -66.35], [108.0, -66.25], [108.25, -66.35], [108.5, -66.25], [108.75, -66.35], [109.0, -66.25], [109.25, -66.35], [109.32, -66.32], [109.47, -65.97], [110.0, -65.75], [110.25, -65.85], [110.5, -65.75], [111.03, -65.97], [111.18, -66.32], [111.25, -66.35], [111.5, -66.25], [111.75, -66.35], [112.0, -66.25], [112.25, -66.35], [112.32, -66.32], [112.47, -65.97], [113.0, -65.75], [113.53, -65.97], [113.68, -66.32], [114.03, -66.47], [114.25, -67.0], [114.13, -67.3], [114.25, -67.35], [114.5, -67.25], [115.03, -67.47], [115.25, -68.0], [115.15, -68.25], [115.18, -68.32], [115.25, -68.35], [115.5, -68.25], [115.75, -68.35], [116.0, -68.25], [116.53, -68.47], [116.68, -68.82], [116.75, -68.85], [117.0, -68.75], [117.25, -68.85], [117.5, -68.75], [117.75, -68.85], [118.0, -68.75], [118.25, -68.85], [118.5, -68.75], [119.03, -68.97], [119.25, -69.5], [119.03, -70.03], [118.5, -70.25], [118.25, -70.15], [118.0, -70.25], [117.75, -70.15], [117.5, -70.25], [117.25, -70.15], [117.0, -70.25], [116.75, -70.15], [116.5, -70.25], [116.25, -70.15], [116.0, -70.25], [115.75, -70.15], [115.5, -70.25], [115.25, -70.15], [115.0, -70.25], [114.75, -70.15], [114.5, -70.25], [114.25, -70.15], [114.0, -70.25], [113.75, -70.15], [113.68, -70.18], [113.53, -70.53], [113.0, -70.75], [112.47, -70.53], [112.32, -70.18], [112.25, -70.15], [112.0, -70.25], [111.75, -70.15], [111.5, -70.25], [111.25, -70.15], [111.0, -70.25], [110.75, -70.15], [110.5, -70.25], [110.25, -70.15], [110.0, -70.25], [109.75, -70.15], [109.5, -70.25], [108.97, -70.03], [108.82, -69.68], [108.75, -69.65], [108.5, -69.75], [108.25, -69.65], [108.18, -69.68], [108.03, -70.03], [107.5, -70.25], [107.25, -70.15], [107.0, -70.25], [106.75, -70.15], [106.5, -70.25], [106.25, -70.15], [106.0, -70.25], [105.75, -70.15], [105.5, -70.25], [104.97, -70.03], [104.82, -69.68], [104.75, -69.65], [104.5, -69.75], [104.25, -69.65], [104.0, -69.75], [103.47, -69.53], [103.25, -69.0], [103.35, -68.75], [103.25, -68.5], [103.47, -67.97]]]]}, "2025-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, -67.97], [103.82, -67.82], [103.97, -67.47], [104.32, -67.32], [104.35, -67.25], [104.32, -67.18], [103.97, -67.03], [103.75, -66.5], [103.97, -65.97], [104.5, -65.75], [104.75, -65.85], [105.0, -65.75], [105.25, -65.85], [105.5, -65.75], [105.75, -65.85], [106.0, -65.75], [106.25, -65.85], [106.5, -65.75], [107.03, -65.97], [107.18, -66.32], [107.25, -66.35], [107.5, -66.25], [107.75, -66.35], [108.0, -66.25], [108.25, -66.35], [108.5, -66.25], [108.75, -66.35], [109.0, -66.25], [109.25, -66.35], [109.32, -66.32], [109.47, -65.97], [110.0, -65.75], [110.25, -65.85], [110.5, -65.75], [111.03, -65.97], [111.18, -66.32], [111.25, -66.35], [111.5, -66.25], [111.75, -66.35], [112.0, -66.25], [112.25, -66.35], [112.32, -66.32], [112.47, -65.97], [113.0, -65.75], [113.53, -65.97], [113.68, -66.32], [114.03, -66.47], [114.25, -67.0], [114.13, -67.3], [114.25, -67.35], [114.5, -67.25], [115.03, -67.47], [115.25, -68.0], [115.15, -68.25], [115.18, -68.32], [115.25, -68.35], [115.5, -68.25], [115.75, -68.35], [116.0, -68.25], [116.53, -68.47], [116.68, -68.82], [116.75, -68.85], [117.0, -68.75], [117.25, -68.85], [117.5, -68.75], [117.75, -68.85], [118.0, -68.75], [118.25, -68.85], [118.5, -68.75], [119.03, -68.97], [119.25, -69.5], [119.03, -70.03], [118.5, -70.25], [118.25, -70.15], [118.0, -70.25], [117.75, -70.15], [117.5, -70.25], [117.25, -70.15], [117.0, -70.25], [116.75, -70.15], [116.5, -70.25], [116.25, -70.15], [116.0, -70.25], [115.75, -70.15], [115.5, -70.25], [115.25, -70.15], [115.0, -70.25], [114.75, -70.15], [114.5, -70.25], [114.25, -70.15], [114.0, -70.25], [113.75, -70.15], [113.68, -70.18], [113.53, -70.53], [113.0, -70.75], [112.47, -70.53], [112.32, -70.18], [112.25, -70.15], [112.0, -70.25], [111.75, -70.15], [111.5, -70.25], [111.25, -70.15], [111.0, -70.25], [110.75, -70.15], [110.5, -70.25], [110.25, -70.15], [110.0, -70.25], [109.75, -70.15], [109.5, -70.25], [108.97, -70.03], [108.82, -69.68], [108.75, -69.65], [108.5, -69.75], [108.25, -69.65], [108.18, -69.68], [108.03, -70.03], [107.5, -70.25], [107.25, -70.15], [107.0, -70.25], [106.75, -70.15], [106.5, -70.25], [106.25, -70.15], [106.0, -70.25], [105.75, -70.15], [105.5, -70.25], [104.97, -70.03], [104.82, -69.68], [104.75, -69.65], [104.5, -69.75], [104.25, -69.65], [104.0, -69.75], [103.47, -69.53], [103.25, -69.0], [103.35, -68.75], [103.25, -68.5], [103.47, -67.97]]]]}, "2025-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.47, -67.97], [103.82, -67.82], [103.97, -67.47], [104.32, -67.32], [104.35, -67.25], [104.32, -67.18], [103.97, -67.03], [103.75, -66.5], [103.97, -65.97], [104.5, -65.75], [104.75, -65.85], [105.0, -65.75], [105.25, -65.85], [105.5, -65.75], [105.75, -65.85], [106.0, -65.75], [106.25, -65.85], [106.5, -65.75], [107.03, -65.97], [107.18, -66.32], [107.25, -66.35], [107.5, -66.25], [107.75, -66.35], [108.0, -66.25], [108.25, -66.35], [108.5, -66.25], [108.75, -66.35], [109.0, -66.25], [109.25, -66.35], [109.32, -66.32], [109.47, -65.97], [110.0, -65.75], [110.25, -65.85], [110.5, -65.75], [111.03, -65.97], [111.18, -66.32], [111.25, -66.35], [111.5, -66.25], [111.75, -66.35], [112.0, -66.25], [112.25, -66.35], [112.32, -66.32], [112.47, -65.97], [113.0, -65.75], [113.53, -65.97], [113.68, -66.32], [114.03, -66.47], [114.25, -67.0], [114.13, -67.3], [114.25, -67.35], [114.5, -67.25], [115.03, -67.47], [115.25, -68.0], [115.15, -68.25], [115.18, -68.32], [115.25, -68.35], [115.5, -68.25], [115.75, -68.35], [116.0, -68.25], [116.53, -68.47], [116.68, -68.82], [116.75, -68.85], [117.0, -68.75], [117.25, -68.85], [117.5, -68.75], [117.75, -68.85], [118.0, -68.75], [118.25, -68.85], [118.5, -68.75], [119.03, -68.97], [119.25, -69.5], [119.03, -70.03], [118.5, -70.25], [118.25, -70.15], [118.0, -70.25], [117.75, -70.15], [117.5, -70.25], [117.25, -70.15], [117.0, -70.25], [116.75, -70.15], [116.5, -70.25], [116.25, -70.15], [116.0, -70.25], [115.75, -70.15], [115.5, -70.25], [115.25, -70.15], [115.0, -70.25], [114.75, -70.15], [114.5, -70.25], [114.25, -70.15], [114.0, -70.25], [113.75, -70.15], [113.68, -70.18], [113.53, -70.53], [113.0, -70.75], [112.47, -70.53], [112.32, -70.18], [112.25, -70.15], [112.0, -70.25], [111.75, -70.15], [111.5, -70.25], [111.25, -70.15], [111.0, -70.25], [110.75, -70.15], [110.5, -70.25], [110.25, -70.15], [110.0, -70.25], [109.75, -70.15], [109.5, -70.25], [108.97, -70.03], [108.82, -69.68], [108.75, -69.65], [108.5, -69.75], [108.25, -69.65], [108.18, -69.68], [108.03, -70.03], [107.5, -70.25], [107.25, -70.15], [107.0, -70.25], [106.75, -70.15], [106.5, -70.25], [106.25, -70.15], [106.0, -70.25], [105.75, -70.15], [105.5, -70.25], [104.97, -70.03], [104.82, -69.68], [104.75, -69.65], [104.5, -69.75], [104.25, -69.65], [104.0, -69.75], [103.47, -69.53], [103.25, -69.0], [103.35, -68.75], [103.25, -68.5], [103.47, -67.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 12.375553542242557}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.640539130858064}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-6.80939076741538, -19.627788491896666, -21.189737936891163, -20.864317618476008]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-6.2448562622070085, -4.559726460774698, -5.9495745340983035, -6.387595876057901]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.899015511104068, 10.449675672370496, 9.011155557537109, 9.48658651258887]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.443894796927168, 12.375553542242557, 10.453420600473407, 11.372553429921084]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3820406246195516, 1.631147412481331, 1.3955585927292657, 1.4614005499896061]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.393866303715881, 1.7690818915740527, 1.4812749165263606, 1.577196370386335]}}