{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:54.797991", "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-Jul-12_to_2012-Jul-15_123.0_-27.5"}, "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": 2012070000694}, "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": "July 12 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 15 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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 107010.16170543153}, "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": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": -27.5}, "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": 123.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "123.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 118.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 123.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, -26.0], [118.97, -25.47], [119.5, -25.25], [119.75, -25.35], [120.0, -25.25], [120.25, -25.35], [120.5, -25.25], [121.03, -25.47], [121.18, -25.82], [121.25, -25.85], [121.32, -25.82], [121.35, -25.75], [121.25, -25.5], [121.47, -24.97], [122.0, -24.75], [122.53, -24.97], [122.68, -25.32], [123.03, -25.47], [123.18, -25.82], [123.53, -25.97], [123.68, -26.32], [124.03, -26.47], [124.25, -27.0], [124.15, -27.25], [124.25, -27.5], [124.03, -28.03], [123.68, -28.18], [123.53, -28.53], [123.18, -28.68], [123.15, -28.75], [123.25, -29.0], [123.03, -29.53], [122.68, -29.68], [122.53, -30.03], [122.0, -30.25], [121.47, -30.03], [121.32, -29.68], [120.97, -29.53], [120.82, -29.18], [120.47, -29.03], [120.25, -28.5], [120.46, -28.0], [120.25, -27.5], [120.35, -27.25], [120.32, -27.18], [120.0, -27.04], [119.68, -27.18], [119.53, -27.53], [119.0, -27.75], [118.47, -27.53], [118.25, -27.0], [118.47, -26.47], [118.82, -26.32], [118.85, -26.25], [118.75, -26.0]]]]}, "2012-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, -26.0], [118.97, -25.47], [119.5, -25.25], [119.75, -25.35], [120.0, -25.25], [120.25, -25.35], [120.5, -25.25], [121.03, -25.47], [121.18, -25.82], [121.25, -25.85], [121.32, -25.82], [121.35, -25.75], [121.25, -25.5], [121.47, -24.97], [122.0, -24.75], [122.53, -24.97], [122.68, -25.32], [123.03, -25.47], [123.18, -25.82], [123.53, -25.97], [123.68, -26.32], [124.03, -26.47], [124.25, -27.0], [124.15, -27.25], [124.25, -27.5], [124.03, -28.03], [123.68, -28.18], [123.53, -28.53], [123.18, -28.68], [123.15, -28.75], [123.18, -28.82], [123.53, -28.97], [123.75, -29.5], [123.53, -30.03], [123.18, -30.18], [123.03, -30.53], [122.5, -30.75], [121.97, -30.53], [121.82, -30.18], [121.47, -30.03], [121.32, -29.68], [120.97, -29.53], [120.82, -29.18], [120.47, -29.03], [120.25, -28.5], [120.46, -28.0], [120.25, -27.5], [120.35, -27.25], [120.32, -27.18], [120.0, -27.04], [119.68, -27.18], [119.53, -27.53], [119.0, -27.75], [118.47, -27.53], [118.25, -27.0], [118.47, -26.47], [118.82, -26.32], [118.85, -26.25], [118.75, -26.0]]]]}, "2012-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.75, -26.0], [118.97, -25.47], [119.5, -25.25], [119.75, -25.35], [120.0, -25.25], [120.25, -25.35], [120.5, -25.25], [121.03, -25.47], [121.18, -25.82], [121.25, -25.85], [121.32, -25.82], [121.35, -25.75], [121.25, -25.5], [121.47, -24.97], [122.0, -24.75], [122.53, -24.97], [122.68, -25.32], [123.03, -25.47], [123.18, -25.82], [123.53, -25.97], [123.68, -26.32], [124.03, -26.47], [124.25, -27.0], [124.15, -27.25], [124.25, -27.5], [124.03, -28.03], [123.68, -28.18], [123.53, -28.53], [123.18, -28.68], [123.15, -28.75], [123.18, -28.82], [123.53, -28.97], [123.75, -29.5], [123.53, -30.03], [123.18, -30.18], [123.03, -30.53], [122.5, -30.75], [121.97, -30.53], [121.82, -30.18], [121.47, -30.03], [121.32, -29.68], [120.97, -29.53], [120.82, -29.18], [120.47, -29.03], [120.25, -28.5], [120.46, -28.0], [120.25, -27.5], [120.35, -27.25], [120.32, -27.18], [120.0, -27.04], 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"description": "The daily evolution of maximum t2m.", "value": [7.0325107030118374, 6.383256529170637, 6.54942403450508, 8.041269254104066]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.5986663579259512, -3.8209183195061507, -3.511766378490745, -2.897380162402783]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.203050265966851, -4.463420434211912, -4.618092575034893, -2.9482325150844986]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4251715087596006, -1.5199535143501817, -1.4189699624414154, -1.176335108636454]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6792522230081295, -1.7240966917211968, -1.8607387259688488, -1.1775353677459206]}}