{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:09.877269", "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": "2015-Jun-18_to_2015-Jun-21_148.0_-38.5"}, "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": 2015060000677}, "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 18 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 21 2015"}, "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": 61058.34903085372}, "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": ["Bass Strait"]}, "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": -38.5}, "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": 148.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "148.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 144.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -38.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -36.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[148.0, -37.75], [148.53, -37.97], [148.75, -38.5], [148.53, -39.03], [148.0, -39.25], [147.47, -39.03], [147.25, -38.5], [147.47, -37.97], [148.0, -37.75]]]]}, "2015-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.32, -37.32], [145.47, -36.97], [146.0, -36.75], [146.25, -36.85], [146.5, -36.75], [146.75, -36.85], [146.82, -36.82], [146.97, -36.47], [147.5, -36.25], [147.75, -36.35], [148.0, -36.25], [148.25, -36.35], [148.5, -36.25], [148.75, -36.35], [149.0, -36.25], [149.53, -36.47], [149.68, -36.82], [150.03, -36.97], [150.25, -37.5], [150.03, -38.03], [149.5, -38.25], [149.25, -38.15], [149.18, -38.18], [149.03, -38.53], [148.68, -38.68], [148.53, -39.03], [148.0, -39.25], [147.75, -39.15], [147.5, -39.25], [147.25, -39.15], [147.0, -39.25], [146.75, -39.15], [146.5, -39.25], [146.25, -39.15], [146.0, -39.25], [145.5, -39.04], [145.0, -39.25], [144.47, -39.03], [144.25, -38.5], [144.47, -37.97], [144.82, -37.82], [144.97, -37.47], [145.32, -37.32]]]]}, "2015-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.32, -37.32], [145.47, -36.97], [146.0, -36.75], [146.25, -36.85], [146.5, -36.75], [146.75, -36.85], [146.82, -36.82], [146.97, -36.47], [147.5, -36.25], [147.75, -36.35], [148.0, -36.25], [148.25, -36.35], [148.5, -36.25], [148.75, -36.35], [149.0, -36.25], [149.53, -36.47], [149.68, -36.82], [150.03, -36.97], [150.25, -37.5], [150.03, -38.03], [149.5, -38.25], [149.25, -38.15], [149.18, -38.18], [149.03, -38.53], [148.68, -38.68], [148.53, -39.03], [148.0, -39.25], [147.75, -39.15], [147.5, -39.25], [147.25, -39.15], [147.0, -39.25], [146.75, -39.15], [146.5, -39.25], [146.25, -39.15], [146.0, -39.25], [145.5, -39.04], [145.0, -39.25], [144.47, -39.03], [144.25, -38.5], [144.47, -37.97], [144.82, -37.82], [144.97, -37.47], [145.32, -37.32]]]]}, "2015-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.32, -37.32], [145.47, -36.97], [146.0, -36.75], [146.25, -36.85], [146.5, -36.75], [146.75, -36.85], [146.82, -36.82], [146.97, -36.47], [147.5, -36.25], [147.75, -36.35], [148.0, -36.25], [148.25, -36.35], [148.5, -36.25], [148.75, -36.35], [149.0, -36.25], [149.53, -36.47], [149.68, -36.82], [150.03, -36.97], [150.25, -37.5], [150.03, -38.03], [149.5, -38.25], [149.25, -38.15], [149.18, -38.18], [149.03, -38.53], [148.68, -38.68], [148.53, -39.03], [148.0, -39.25], [147.75, -39.15], [147.5, -39.25], [147.25, -39.15], [147.0, -39.25], [146.75, -39.15], [146.5, -39.25], [146.25, -39.15], [146.0, -39.25], [145.5, -39.04], [145.0, -39.25], [144.47, -39.03], [144.25, -38.5], [144.47, -37.97], [144.82, -37.82], [144.97, -37.47], [145.32, -37.32]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.669713891159404}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.1011617628916004}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.335878090262383, 5.33512417159352, 5.182345666810136, 5.036611805128359]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [11.335878090262383, 0.35050819802938804, -0.39302215015010233, 0.5392210796657082]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.5722920090857997, -2.986736345641311, -3.1061734298309442, -3.2717303033547775]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.5722920090857997, -4.325542850964041, -4.582406875922061, -4.669713891159404]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6388332374173893, -1.7138308855946804, -1.7918366227692852, -1.8811756901365777]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6388332374173893, -2.1060221412472226, -2.2157995166660163, -2.209214924228213]}}