{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:31.125220", "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": "2012-Sep-21_to_2012-Sep-27_123.5_-21.0"}, "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": 2012090002408}, "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": "September 21 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 27 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 57919.90643200261}, "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", "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": -21.0}, "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": 123.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "123.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 120.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 124.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.5, -20.25], [124.03, -20.47], [124.25, -21.0], [124.03, -21.53], [123.5, -21.75], [122.97, -21.53], [122.75, -21.0], [122.97, -20.47], [123.5, -20.25]]]]}, "2012-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.5, -20.25], [124.03, -20.47], [124.25, -21.0], [124.03, -21.53], [123.5, -21.75], [122.97, -21.53], [122.75, -21.0], [122.97, -20.47], [123.5, -20.25]]]]}, "2012-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.25, -20.0], [120.47, -19.47], [121.0, -19.25], [121.25, -19.35], [121.32, -19.32], [121.47, -18.97], [121.82, -18.82], [121.97, -18.47], [122.32, -18.32], [122.47, -17.97], [123.0, -17.75], [123.53, -17.97], [123.75, -18.5], [123.53, -19.03], [123.18, -19.18], [123.13, -19.3], [123.53, -19.47], [123.75, -20.0], [123.65, -20.25], [123.68, -20.32], [124.03, -20.47], [124.25, -21.0], [124.03, -21.53], [123.5, -21.75], [123.25, -21.65], [123.0, -21.75], [122.47, -21.53], [122.25, -21.0], [122.35, -20.75], [122.3, -20.62], [122.18, -20.68], [122.03, -21.03], [121.5, -21.25], [120.97, -21.03], [120.82, -20.68], [120.47, -20.53], [120.25, -20.0]]]]}, "2012-09-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.25, -20.0], [120.47, -19.47], [121.0, -19.25], [121.25, -19.35], [121.32, -19.32], [121.47, -18.97], [121.82, -18.82], [121.97, -18.47], [122.32, -18.32], [122.47, -17.97], [123.0, -17.75], [123.53, -17.97], [123.75, -18.5], [123.53, -19.03], [123.18, -19.18], [123.13, -19.3], [123.53, -19.47], [123.68, -19.82], [123.75, -19.85], [124.0, -19.75], [124.53, -19.97], [124.68, -20.32], [125.03, -20.47], [125.25, -21.0], [125.03, -21.53], [124.68, -21.68], [124.53, -22.03], [124.0, -22.25], [123.47, -22.03], [123.32, -21.68], [123.25, -21.65], [123.18, -21.68], [123.03, -22.03], [122.5, -22.25], [122.25, -22.15], [122.0, -22.25], [121.47, -22.03], [121.25, -21.5], [121.38, -21.2], [120.97, -21.03], [120.82, -20.68], [120.47, -20.53], [120.25, -20.0]]]]}, "2012-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.25, -20.0], [120.47, -19.47], [121.0, -19.25], [121.25, -19.35], [121.32, -19.32], [121.47, -18.97], [121.82, -18.82], [121.97, -18.47], [122.32, -18.32], [122.47, -17.97], [123.0, -17.75], [123.53, -17.97], [123.75, -18.5], [123.53, -19.03], [123.18, -19.18], [123.13, -19.3], [123.53, -19.47], [123.68, -19.82], [123.75, -19.85], [124.0, -19.75], [124.53, -19.97], [124.68, -20.32], [125.03, -20.47], [125.25, -21.0], [125.03, -21.53], [124.68, -21.68], [124.53, -22.03], [124.0, -22.25], [123.47, -22.03], [123.32, -21.68], [123.25, -21.65], [123.18, -21.68], [123.03, -22.03], [122.5, -22.25], [122.25, -22.15], [122.0, -22.25], [121.47, -22.03], [121.25, -21.5], [121.38, -21.2], [120.97, -21.03], [120.82, -20.68], [120.47, -20.53], [120.25, -20.0]]]]}, "2012-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.75, -20.5], [121.97, -19.97], [122.5, -19.75], [122.75, -19.85], [123.0, -19.75], [123.25, -19.85], [123.5, -19.75], [123.75, -19.85], [124.0, -19.75], [124.53, 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-20.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.025225188493323}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.3020129760478167}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.031312659992807, 30.01306869117758, 30.035219449274393, 30.65899843418498, 30.772621871965498, 30.680554696893694, 31.32366135465253]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.031312659992807, 30.01306869117758, 30.1972922340575, 31.008702882648606, 31.283903016686565, 30.87167040577043, 31.88108892923509]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5850150113050177, 3.3183019167079237, 2.9441474685004634, 3.4440758091444676, 3.3475046112879765, 3.0604320090275983, 3.534105629765316]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.5850150113050177, 3.3183019167079237, 3.3043626612667936, 4.025225188493323, 3.8270727850569983, 3.408726920583831, 3.84016429746481]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3509772387529682, 1.301480092429366, 1.4119193510404264, 1.5995012423689754, 1.5580586635552907, 1.3417003533295038, 1.509333145425793]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3509772387529682, 1.301480092429366, 1.5238818631462214, 1.9344820537289995, 1.8147246899257683, 1.3893005095927289, 1.7478548390317952]}}