{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:51.007034", "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": "2010-Jun-10_to_2010-Jun-12_152.0_-31.0"}, "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": 2010060000365}, "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 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 12 2010"}, "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": 61222.4622047084}, "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"]}, "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": -31.0}, "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": 153.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.35, -29.75], [149.25, -29.5], [149.35, -29.25], [149.25, -29.0], [149.47, -28.47], [150.0, -28.25], [150.25, -28.35], [150.5, -28.25], [151.03, -28.47], [151.18, -28.82], [151.53, -28.97], [151.7, -29.37], [152.0, -29.25], [152.53, -29.47], [152.7, -29.87], [153.0, -29.75], [153.53, -29.97], [153.75, -30.5], [153.53, -31.03], [153.18, -31.18], [153.03, -31.53], [152.68, -31.68], [152.65, -31.75], [152.75, -32.0], [152.53, -32.53], [152.0, -32.75], [151.75, -32.65], [151.5, -32.75], [151.25, -32.65], [151.0, -32.75], [150.47, -32.53], [150.25, -32.0], [150.35, -31.75], [150.32, -31.68], [149.97, -31.53], [149.82, -31.18], [149.47, -31.03], [149.25, -30.5], [149.35, -30.25], [149.25, -30.0], [149.35, -29.75]]]]}, "2010-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.35, -29.75], [149.25, -29.5], [149.35, -29.25], [149.25, -29.0], [149.47, -28.47], [150.0, -28.25], [150.25, -28.35], [150.5, -28.25], [151.03, -28.47], [151.18, -28.82], [151.53, -28.97], [151.7, -29.37], [152.0, -29.25], [152.53, -29.47], [152.7, -29.87], [153.0, -29.75], [153.53, -29.97], [153.75, -30.5], [153.53, -31.03], [153.18, -31.18], [153.03, -31.53], [152.68, -31.68], [152.65, -31.75], [152.75, -32.0], [152.53, -32.53], [152.0, -32.75], [151.75, -32.65], [151.5, -32.75], [151.25, -32.65], [151.0, -32.75], [150.47, -32.53], [150.25, -32.0], [150.35, -31.75], [150.32, -31.68], [149.97, -31.53], [149.82, -31.18], [149.47, -31.03], [149.25, -30.5], [149.35, -30.25], [149.25, -30.0], [149.35, -29.75]]]]}, "2010-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.35, -29.75], [149.25, -29.5], [149.35, -29.25], [149.25, -29.0], [149.47, -28.47], [150.0, -28.25], [150.25, -28.35], [150.5, -28.25], [151.03, -28.47], [151.18, -28.82], [151.53, -28.97], [151.7, -29.37], [152.0, -29.25], [152.53, -29.47], [152.7, -29.87], [153.0, -29.75], [153.53, -29.97], [153.75, -30.5], [153.53, -31.03], [153.18, -31.18], [153.03, -31.53], [152.68, -31.68], [152.65, -31.75], [152.75, -32.0], [152.53, -32.53], [152.0, -32.75], [151.75, -32.65], [151.5, -32.75], [151.25, -32.65], [151.0, -32.75], [150.47, -32.53], [150.25, -32.0], [150.35, -31.75], [150.32, -31.68], [149.97, -31.53], [149.82, -31.18], [149.47, -31.03], [149.25, -30.5], [149.35, -30.25], [149.25, -30.0], [149.35, -29.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.7709697444803965}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.338676984798717}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.559719633701661, 5.911126925473184, 6.063919887662735]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.409768393933291, 2.4179785481580325, 2.745677825651626]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.744141235918989, -4.258187717734712, -4.013702000742448]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.7709697444803965, -5.205440696240771, -4.94547792157141]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8132199899926278, -1.6791982349224106, -1.5866732611243592]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.0885255507011804, -1.8842764153383285, -1.7611519558912259]}}