{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:49.496048", "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": "2013-Jul-06_to_2013-Jul-10_142.5_-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": 2013070000455}, "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": "July 06 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 10 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 71258.9012813384}, "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": -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": 142.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "142.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 139.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 144.25}, "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": -35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -39.03], [141.75, -38.5], [141.97, -37.97], [142.5, -37.75], [142.75, -37.85], [143.0, -37.75], [143.25, -37.85], [143.5, -37.75], [144.03, -37.97], [144.25, -38.5], [144.03, -39.03], [143.5, -39.25], [143.25, -39.15], [143.0, -39.25], [142.75, -39.15], [142.5, -39.25], [141.97, -39.03]]]]}, "2013-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.97, -36.47], [140.32, -36.32], [140.47, -35.97], [140.82, -35.82], [140.97, -35.47], [141.5, -35.25], [142.03, -35.47], [142.25, -36.0], [142.15, -36.25], [142.18, -36.32], [142.3, -36.37], [142.47, -35.97], [143.0, -35.75], [143.25, -35.85], [143.5, -35.75], [144.03, -35.97], [144.25, -36.5], [144.13, -36.8], [144.53, -36.97], [144.75, -37.5], [144.54, -38.0], [144.75, -38.5], [144.53, -39.03], [144.0, -39.25], [143.75, -39.15], [143.5, -39.25], [143.25, -39.15], [143.0, -39.25], [142.75, -39.15], [142.5, -39.25], [141.97, -39.03], [141.82, -38.68], [141.75, -38.65], [141.5, -38.75], [140.97, -38.53], [140.82, -38.18], [140.75, -38.15], [140.5, -38.25], [139.97, -38.03], [139.75, -37.5], [139.85, -37.25], [139.75, -37.0], [139.97, -36.47]]]]}, "2013-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.25, -37.0], [139.47, -36.47], [140.0, -36.25], [140.25, -36.35], [140.32, -36.32], [140.47, -35.97], [140.82, -35.82], [140.97, -35.47], [141.5, -35.25], [141.75, -35.35], [142.0, -35.25], [142.53, -35.47], [142.7, -35.87], [143.0, -35.75], [143.25, -35.85], [143.5, -35.75], [144.03, -35.97], [144.25, -36.5], [144.13, -36.8], [144.53, -36.97], [144.75, -37.5], [144.65, -37.75], [144.75, -38.0], [144.65, -38.25], [144.75, -38.5], [144.53, -39.03], [144.0, -39.25], [143.75, -39.15], [143.5, -39.25], [143.25, -39.15], [143.0, -39.25], [142.75, -39.15], [142.5, -39.25], [141.97, -39.03], [141.82, -38.68], [141.75, -38.65], [141.5, -38.75], [140.97, -38.53], [140.82, -38.18], [140.75, -38.15], [140.5, -38.25], [139.97, -38.03], [139.82, -37.68], [139.47, -37.53], [139.25, -37.0]]]]}, "2013-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.25, -37.0], [139.47, -36.47], [140.0, -36.25], [140.25, -36.35], [140.32, -36.32], [140.47, -35.97], [140.82, -35.82], [140.97, -35.47], [141.5, -35.25], [141.75, -35.35], [142.0, -35.25], [142.53, -35.47], [142.7, -35.87], [143.0, -35.75], [143.25, -35.85], [143.5, -35.75], [144.03, -35.97], [144.25, -36.5], [144.13, -36.8], [144.53, -36.97], [144.75, -37.5], [144.65, -37.75], [144.75, -38.0], [144.65, -38.25], [144.75, -38.5], [144.53, -39.03], [144.0, -39.25], [143.75, -39.15], [143.5, -39.25], [143.25, -39.15], [143.0, -39.25], [142.75, -39.15], [142.5, -39.25], [141.97, -39.03], [141.82, -38.68], [141.75, -38.65], [141.5, -38.75], [140.97, -38.53], [140.82, -38.18], [140.75, -38.15], [140.5, -38.25], [139.97, -38.03], [139.82, -37.68], [139.47, -37.53], [139.25, -37.0]]]]}, "2013-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.75, -37.35], [143.0, -37.25], [143.5, -37.46], [144.0, -37.25], [144.53, -37.47], [144.75, -38.0], [144.53, -38.53], [144.0, -38.75], [143.5, -38.54], [143.18, -38.68], [143.03, -39.03], [142.5, -39.25], [141.97, -39.03], [141.82, -38.68], [141.47, -38.53], [141.25, -38.0], [141.47, -37.47], [142.0, -37.25], [142.25, -37.35], [142.5, -37.25], [142.75, -37.35]]], [[[139.25, -37.0], [139.47, -36.47], [140.0, -36.25], [140.53, -36.47], [140.75, -37.0], [140.53, -37.53], [140.0, -37.75], [139.47, -37.53], [139.25, -37.0]]], [[[142.75, -36.0], [142.65, -36.25], [142.75, -36.5], [142.53, -37.03], [142.0, -37.25], [141.75, -37.15], [141.5, -37.25], [140.97, -37.03], [140.75, -36.5], [140.97, -35.97], [141.32, -35.82], [141.47, -35.47], [142.0, -35.25], [142.53, -35.47], [142.75, -36.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.234167614371131}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.8787301492195723}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [8.052911027257835, 6.223806021670896, 5.438151933036977, 5.688663625739252, 6.4698342343265836]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.732662087720257, 4.058780211509429, 3.212399341961941, 4.195198473066171, 5.6869846317508745]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.9379226692499476, -2.5358779415665342, -3.278809365096947, -2.9950046842547033, -2.480893355305366]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.0464202002281127, -2.869210829626468, -4.234167614371131, -4.098603018156041, -2.7710087680138145]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4738832687907049, -1.5412650021610832, -1.9519308027611617, -1.7608834064784553, -1.425949137064336]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5501649820996866, -1.8462760300085925, -2.55372784320633, -2.309101217639135, -1.517523827643378]}}