{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:40.654641", "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-Feb-04_to_2014-Feb-06_152.0_-33.0"}, "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": 2014020000230}, "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": "February 04 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 06 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": 111485.06584837378}, "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": ["E.Australia", "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": ["Tasman Sea"]}, "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": -33.0}, "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": 152.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "152.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 149.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 154.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -32.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.25, -33.5], [149.47, -32.97], [150.0, -32.75], [150.25, -32.85], [150.5, -32.75], [151.0, -32.96], [151.32, -32.82], [151.47, -32.47], [152.0, -32.25], [152.25, -32.35], [152.5, -32.25], [153.03, -32.47], [153.25, -33.0], [153.15, -33.25], [153.18, -33.32], [153.53, -33.47], [153.68, -33.82], [154.03, -33.97], [154.25, -34.5], [154.15, -34.75], [154.18, -34.82], [154.53, -34.97], [154.68, -35.32], [155.03, -35.47], [155.25, -36.0], [155.15, -36.25], [155.25, -36.5], [155.03, -37.03], [154.5, -37.25], [154.25, -37.15], [154.0, -37.25], [153.75, -37.15], [153.5, -37.25], [153.25, -37.15], [153.0, -37.25], [152.75, -37.15], [152.5, -37.25], [152.25, -37.15], [152.0, -37.25], [151.47, -37.03], [151.25, -36.5], [151.35, -36.25], [151.32, -36.18], [150.97, -36.03], [150.8, -35.62], [150.5, -35.75], [149.97, -35.53], [149.75, -35.0], [149.85, -34.75], [149.75, -34.5], [149.85, -34.25], [149.82, -34.18], [149.47, -34.03], [149.25, -33.5]]]]}, "2014-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.25, -33.5], [149.47, -32.97], [150.0, -32.75], [150.25, -32.85], [150.5, -32.75], [151.0, -32.96], [151.32, -32.82], [151.47, -32.47], [152.0, -32.25], [152.25, -32.35], [152.5, -32.25], [153.03, -32.47], [153.25, -33.0], [153.15, -33.25], [153.18, -33.32], [153.53, -33.47], [153.68, -33.82], [154.03, -33.97], [154.25, -34.5], [154.15, -34.75], [154.18, -34.82], [154.53, -34.97], [154.68, -35.32], [155.03, -35.47], [155.25, -36.0], [155.15, -36.25], [155.25, -36.5], [155.03, -37.03], [154.5, -37.25], [154.25, -37.15], [154.0, -37.25], [153.75, -37.15], [153.5, -37.25], [153.25, -37.15], [153.0, -37.25], [152.75, -37.15], [152.5, -37.25], [152.25, -37.15], [152.0, -37.25], [151.47, -37.03], [151.25, -36.5], [151.35, -36.25], [151.32, -36.18], [150.97, -36.03], [150.8, -35.62], [150.5, -35.75], [149.97, -35.53], [149.75, -35.0], [149.85, -34.75], [149.75, -34.5], [149.85, -34.25], [149.82, -34.18], [149.47, -34.03], [149.25, -33.5]]]]}, "2014-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.25, -33.5], [149.47, -32.97], [150.0, -32.75], [150.25, -32.85], [150.5, -32.75], [151.0, -32.96], [151.32, -32.82], [151.47, -32.47], [152.0, -32.25], [152.25, -32.35], [152.5, -32.25], [153.03, -32.47], [153.25, -33.0], [153.15, -33.25], [153.18, -33.32], [153.53, -33.47], [153.68, -33.82], [154.03, -33.97], [154.25, -34.5], [154.15, -34.75], [154.18, -34.82], [154.53, -34.97], [154.68, -35.32], [155.03, -35.47], [155.25, -36.0], [155.15, -36.25], [155.25, -36.5], [155.03, -37.03], [154.5, -37.25], [154.25, -37.15], [154.0, -37.25], [153.75, -37.15], [153.5, -37.25], [153.25, -37.15], [153.0, -37.25], [152.75, -37.15], [152.5, -37.25], [152.25, -37.15], [152.0, -37.25], [151.47, -37.03], [151.25, -36.5], [151.35, -36.25], [151.32, -36.18], [150.97, -36.03], [150.8, -35.62], [150.5, -35.75], [149.97, -35.53], [149.75, -35.0], [149.85, -34.75], [149.75, -34.5], [149.85, -34.25], [149.82, -34.18], [149.47, -34.03], [149.25, -33.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.656248385998538}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.0476699424364733}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.148612803898857, 18.505750198208204, 19.308424765475763]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.774494191527822, 13.816281243085257, 14.34937240733467]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.822409931106573, -3.5390546750621805, -2.781545221140666]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.151886680601308, -5.175709044295445, -5.656248385998538]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5548114259584205, -2.0774305719823745, -1.6078496827209583]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7652951071131442, -2.417762936751512, -1.9779972996087976]}}