{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:21.351560", "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": "2014-May-01_to_2014-May-03_137.0_-35.5"}, "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": 2014050000027}, "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 01 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 03 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 90387.11198821208}, "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": ["S.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": ["Great Australian Bight"]}, "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": -35.5}, "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": 137.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "137.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 134.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -38.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -33.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, -34.75], [133.75, -34.5], [133.85, -34.25], 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-36.75], [134.47, -36.53], [134.32, -36.18], [133.97, -36.03], [133.75, -35.5], [133.85, -35.25], [133.75, -35.0], [133.85, -34.75]]]]}, "2014-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, -34.75], [133.75, -34.5], [133.85, -34.25], [133.75, -34.0], [133.85, -33.75], [133.75, -33.5], [133.97, -32.97], [134.5, -32.75], [135.03, -32.97], [135.18, -33.32], [135.53, -33.47], [135.75, -34.0], [135.65, -34.25], [135.68, -34.32], [135.75, -34.35], [135.82, -34.32], [135.97, -33.97], [136.32, -33.82], [136.47, -33.47], [137.0, -33.25], [137.53, -33.47], [137.75, -34.0], [137.65, -34.25], [137.75, -34.5], [137.65, -34.75], [137.68, -34.82], [137.75, -34.85], [138.0, -34.75], [138.53, -34.97], [138.75, -35.5], [138.65, -35.75], [138.75, -36.0], [138.53, -36.53], [138.18, -36.68], [138.15, -36.75], [138.18, -36.82], [138.53, -36.97], [138.75, -37.5], [138.65, -37.75], [138.75, -38.0], [138.53, -38.53], [138.0, -38.75], [137.47, -38.53], [137.32, -38.18], [137.25, -38.15], [137.0, -38.25], [136.75, -38.15], [136.5, -38.25], [135.97, -38.03], [135.75, -37.5], [135.85, -37.25], [135.75, -37.0], [135.85, -36.75], [135.75, -36.5], [135.85, -36.25], [135.82, -36.18], [135.75, -36.15], [135.68, -36.18], [135.53, -36.53], [135.0, -36.75], [134.47, -36.53], [134.32, -36.18], [133.97, -36.03], [133.75, -35.5], [133.85, -35.25], [133.75, -35.0], [133.85, -34.75]]]]}, "2014-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.85, -34.75], [133.75, -34.5], [133.85, -34.25], [133.75, -34.0], [133.85, -33.75], [133.75, -33.5], [133.97, -32.97], [134.5, -32.75], [135.03, -32.97], [135.18, -33.32], [135.53, -33.47], [135.75, -34.0], [135.65, -34.25], [135.68, -34.32], [135.75, -34.35], [135.82, -34.32], [135.97, -33.97], [136.32, -33.82], [136.47, -33.47], [137.0, -33.25], [137.53, -33.47], [137.75, -34.0], [137.65, -34.25], [137.75, -34.5], [137.65, -34.75], [137.68, -34.82], [137.75, -34.85], [138.0, -34.75], [138.53, -34.97], [138.75, 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"description": "The daily evolution of mean t2m.", "value": [14.14157851862251, 12.423984418193754, 14.052190222706372]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.013943664182989, 11.59816246726001, 13.04724316619513]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.088432096706097, -3.769271537002636, -2.1121484519424376]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.6448631259585227, -4.5315355524963365, -2.7935497000304395]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4384910129206179, -2.670198476274797, -1.460730531282592]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8374875375780695, -3.04011903753316, -1.7426013582448274]}}