{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:49.589816", "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": "2012-Jun-27_to_2012-Jun-30_72.0_-68.0"}, "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": 2012060003145}, "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": "June 27 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 30 2012"}, "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": 56101.77909283586}, "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": -68.0}, "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": 72.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "72.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 68.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 73.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -71.25}, "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": {"2012-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.47, -68.53], [71.25, -68.0], [71.47, -67.47], [72.0, -67.25], [72.25, -67.35], [72.5, -67.25], [73.03, -67.47], [73.18, -67.82], [73.53, -67.97], [73.75, -68.5], [73.53, -69.03], [73.0, -69.25], [72.47, -69.03], [72.32, -68.68], [72.25, -68.65], [72.0, -68.75], [71.47, -68.53]]]]}, "2012-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.75, -67.0], [67.97, -66.47], [68.32, -66.32], [68.47, -65.97], [69.0, -65.75], [69.25, -65.85], [69.5, -65.75], [69.75, -65.85], [70.0, -65.75], [70.25, -65.85], [70.5, -65.75], [71.03, -65.97], [71.18, -66.32], [71.25, -66.35], [71.5, -66.25], [72.0, -66.46], [72.5, -66.25], [73.03, -66.47], [73.25, -67.0], [73.04, -67.5], [73.18, -67.82], [73.53, -67.97], [73.75, -68.5], [73.53, -69.03], [73.0, -69.25], [72.7, -69.12], [72.65, -69.25], [72.75, -69.5], [72.65, -69.75], [72.75, -70.0], [72.53, -70.53], [72.18, -70.68], [72.15, -70.75], [72.25, -71.0], [72.03, -71.53], [71.5, -71.75], [70.97, -71.53], [70.75, -71.0], [70.85, -70.75], [70.82, -70.68], [70.75, -70.65], [70.5, -70.75], [69.97, -70.53], [69.82, -70.18], [69.47, -70.03], [69.32, -69.68], [68.97, -69.53], [68.75, -69.0], [68.96, -68.5], [68.82, -68.18], [68.47, -68.03], [68.32, -67.68], [67.97, -67.53], [67.75, -67.0]]]]}, "2012-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.75, -67.0], [67.97, -66.47], [68.32, -66.32], [68.47, -65.97], [69.0, -65.75], [69.25, -65.85], [69.5, -65.75], [69.75, -65.85], [70.0, -65.75], [70.25, -65.85], [70.5, -65.75], [71.03, -65.97], [71.18, -66.32], [71.25, -66.35], [71.5, -66.25], [72.0, -66.46], [72.5, -66.25], [73.03, -66.47], [73.25, -67.0], [73.04, -67.5], [73.18, -67.82], [73.53, -67.97], [73.75, -68.5], [73.53, -69.03], [73.0, -69.25], [72.7, -69.12], [72.65, -69.25], [72.75, -69.5], [72.65, -69.75], [72.75, -70.0], [72.53, -70.53], [72.18, -70.68], [72.15, -70.75], [72.25, -71.0], [72.03, -71.53], [71.5, -71.75], [70.97, -71.53], [70.75, -71.0], [70.85, -70.75], [70.82, -70.68], [70.75, -70.65], [70.5, -70.75], [69.97, -70.53], [69.82, 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[7.20051128607822, 7.311845306611909, 12.382290418842874, 8.419700809424537]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.744224292334394, 11.680547425478181, 17.90622887463448, 10.64350067255171]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5643256730389339, 1.7186205620566153, 2.8074714851031097, 1.8238017975415486]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6226256558431469, 2.205913000807856, 3.3892115051604885, 2.515928404246143]}}