{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:14.078818", "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-Apr-30_to_2013-May-03_139.5_-18.5"}, "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": 2013040002796}, "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": "April 30 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 03 2013"}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 55562.77092094275}, "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": ["N.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": -18.5}, "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": 139.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 138.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 142.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.75, -18.0], [138.97, -17.47], [139.5, -17.25], [139.75, -17.35], [140.0, -17.25], [140.25, -17.35], [140.5, -17.25], [141.03, -17.47], [141.18, -17.82], [141.53, -17.97], [141.68, -18.32], [142.03, -18.47], [142.25, -19.0], [142.15, -19.25], [142.18, -19.32], [142.53, -19.47], [142.75, -20.0], [142.53, -20.53], [142.0, -20.75], [141.75, -20.65], [141.5, -20.75], [140.97, -20.53], [140.82, -20.18], [140.5, -20.04], [140.0, -20.25], [139.47, -20.03], [139.32, -19.68], [139.25, -19.65], [139.0, -19.75], [138.47, -19.53], [138.25, -19.0], [138.47, -18.47], [138.82, -18.32], [138.85, -18.25], [138.75, -18.0]]]]}, "2013-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -17.97], [138.82, -17.82], [138.97, -17.47], [139.5, -17.25], [139.75, -17.35], [140.0, -17.25], [140.25, -17.35], [140.5, -17.25], [141.03, -17.47], [141.18, -17.82], [141.53, -17.97], [141.68, -18.32], [142.03, -18.47], [142.25, -19.0], [142.15, -19.25], [142.18, -19.32], [142.53, -19.47], [142.75, -20.0], [142.53, -20.53], [142.0, -20.75], [141.75, -20.65], [141.5, -20.75], [140.97, -20.53], [140.82, -20.18], [140.5, -20.04], [140.0, -20.25], [139.47, -20.03], [139.32, -19.68], [139.25, -19.65], [139.0, -19.75], [138.47, -19.53], [138.25, -19.0], [138.35, -18.75], [138.25, -18.5], [138.47, -17.97]]]]}, "2013-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -17.97], [138.82, -17.82], [138.97, -17.47], [139.5, -17.25], [139.75, -17.35], [140.0, -17.25], [140.25, -17.35], [140.5, -17.25], [141.03, -17.47], [141.18, -17.82], [141.53, -17.97], [141.68, -18.32], [142.03, -18.47], [142.25, -19.0], [142.15, -19.25], [142.18, -19.32], [142.53, -19.47], [142.75, -20.0], [142.53, -20.53], [142.0, -20.75], [141.75, -20.65], [141.5, -20.75], [140.97, -20.53], [140.82, -20.18], [140.5, -20.04], [140.0, -20.25], [139.47, -20.03], [139.32, -19.68], [139.25, -19.65], [139.0, -19.75], [138.47, -19.53], [138.25, -19.0], [138.35, -18.75], [138.25, -18.5], [138.47, -17.97]]]]}, "2013-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -19.03], [138.25, -18.5], [138.47, -17.97], [139.0, -17.75], [139.25, -17.85], [139.5, -17.75], [140.03, -17.97], [140.25, -18.5], [140.03, -19.03], [139.5, -19.25], [139.25, -19.15], [139.0, -19.25], [138.47, -19.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.649722435902731}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.601083023678626}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.3592429033489, 30.02670513165748, 29.521435142334326, 28.933903160797854]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.350654048889737, 31.173425780422008, 30.61300969613609, 28.948895183434786]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.2757933223599216, 3.9896939717928963, 3.5658326714052255, 3.1717646750587107]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.8109377002121505, 4.649722435902731, 4.564329440201561, 3.367923130309407]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2350210624520788, 1.5505657822801624, 1.4130403634098696, 1.2852553778318931]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3885954751527922, 1.8663570113057628, 1.8089326324089028, 1.3514684471332683]}}