{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:54.292496", "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": "2019-Jun-28_to_2019-Jun-30_120.0_-29.5"}, "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": 2019060000884}, "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 28 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 30 2019"}, "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": 75325.54925035438}, "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", "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": []}, "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": -29.5}, "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": 120.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "120.0\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": -30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.35, -28.75], [118.25, -28.5], [118.47, -27.97], [119.0, -27.75], [119.53, -27.97], [119.68, -28.32], [119.75, -28.35], [120.0, -28.25], [120.25, -28.35], [120.32, -28.32], [120.47, -27.97], [121.0, -27.75], [121.5, -27.96], [122.0, -27.75], [122.53, -27.97], [122.7, -28.37], [123.0, -28.25], [123.53, -28.47], [123.68, -28.82], [124.03, -28.97], [124.25, -29.5], [124.03, -30.03], [123.68, -30.18], [123.53, -30.53], [123.0, -30.75], [122.75, -30.65], [122.68, -30.68], [122.53, -31.03], [122.0, -31.25], [121.75, -31.15], [121.5, -31.25], [121.25, -31.15], [121.0, -31.25], [120.47, -31.03], [120.32, -30.68], [120.25, -30.65], [120.0, -30.75], [119.47, -30.53], [119.3, -30.12], [119.0, -30.25], [118.47, -30.03], [118.25, -29.5], [118.35, -29.25], [118.25, -29.0], [118.35, -28.75]]]]}, "2019-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.35, -28.75], [118.25, -28.5], [118.47, -27.97], [119.0, -27.75], [119.53, -27.97], [119.68, -28.32], [119.75, -28.35], [120.0, -28.25], [120.25, -28.35], [120.32, -28.32], [120.47, -27.97], [121.0, -27.75], [121.5, -27.96], [122.0, -27.75], [122.53, -27.97], [122.7, -28.37], [123.0, -28.25], [123.53, -28.47], [123.68, -28.82], [124.03, -28.97], [124.25, -29.5], [124.03, -30.03], [123.68, -30.18], [123.53, -30.53], [123.0, -30.75], [122.75, -30.65], [122.68, -30.68], [122.53, -31.03], [122.0, -31.25], [121.75, -31.15], [121.5, -31.25], [121.25, -31.15], [121.0, -31.25], [120.47, -31.03], [120.32, -30.68], [120.25, -30.65], [120.0, -30.75], [119.47, -30.53], [119.3, -30.12], [119.0, -30.25], [118.47, -30.03], [118.25, -29.5], [118.35, -29.25], [118.25, -29.0], [118.35, -28.75]]]]}, "2019-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.35, -28.75], [118.25, -28.5], [118.47, -27.97], [119.0, -27.75], [119.53, -27.97], [119.68, -28.32], [119.75, -28.35], [120.0, -28.25], [120.25, -28.35], [120.32, -28.32], [120.47, -27.97], [121.0, -27.75], [121.5, -27.96], [122.0, -27.75], [122.53, -27.97], [122.7, -28.37], [123.0, -28.25], [123.53, -28.47], [123.68, -28.82], [124.03, -28.97], [124.25, -29.5], [124.03, -30.03], [123.68, -30.18], [123.53, -30.53], [123.0, -30.75], [122.75, -30.65], [122.68, -30.68], [122.53, -31.03], [122.0, -31.25], [121.75, -31.15], [121.5, -31.25], [121.25, -31.15], [121.0, -31.25], [120.47, -31.03], [120.32, -30.68], [120.25, -30.65], [120.0, -30.75], [119.47, -30.53], [119.3, -30.12], [119.0, -30.25], [118.47, -30.03], [118.25, -29.5], [118.35, -29.25], [118.25, -29.0], [118.35, -28.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.419810655610036}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.221861552878246}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.230500256959488, 7.485115011695086, 8.210085956581452]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.229818507873517, 6.469565485867463, 7.465923034177592]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.687326285352794, -4.393773527923888, -3.5844848453580562]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.419810655610036, -5.2232808515606735, -4.306817033977211]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.782780356196471, -1.6538813683914966, -1.3621470309054218]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.0027012293205613, -1.9243734779035921, -1.5629176891362986]}}