{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:37.962284", "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": "2023-May-30_to_2023-Jun-01_127.0_-30.0"}, "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": 2023050002865}, "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": "May 30 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 01 2023"}, "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": "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": 61287.35650141671}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": -30.0}, "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": 127.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "127.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 124.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[123.47, -27.97], [124.0, -27.75], [124.53, -27.97], [124.68, -28.32], [124.75, -28.35], [125.0, -28.25], [125.25, -28.35], [125.5, -28.25], [126.03, -28.47], [126.2, -28.87], [126.5, -28.75], [127.03, -28.97], [127.18, -29.32], [127.53, -29.47], [127.75, -30.0], [127.53, -30.53], [127.18, -30.68], [127.04, -31.0], [127.18, -31.32], [127.53, -31.47], [127.75, -32.0], [127.53, -32.53], [127.0, -32.75], [126.75, -32.65], [126.5, -32.75], [126.25, -32.65], [126.0, -32.75], [125.75, -32.65], [125.5, -32.75], [124.97, -32.53], [124.75, -32.0], [124.85, -31.75], [124.75, -31.5], [124.85, -31.25], [124.75, -31.0], [124.85, -30.75], [124.75, -30.5], [124.85, -30.25], [124.8, -30.12], [124.5, -30.25], [123.97, -30.03], [123.75, -29.5], [123.85, -29.25], [123.82, -29.18], [123.47, -29.03], [123.25, -28.5], [123.47, -27.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.47, -29.03], [123.25, -28.5], [123.47, -27.97], [124.0, -27.75], [124.53, -27.97], [124.68, -28.32], [124.75, -28.35], [125.0, -28.25], [125.25, -28.35], [125.5, -28.25], [126.03, -28.47], [126.2, -28.87], [126.5, -28.75], [127.03, -28.97], [127.18, -29.32], [127.53, -29.47], [127.75, -30.0], [127.53, -30.53], [127.18, -30.68], [127.04, -31.0], [127.18, -31.32], [127.53, -31.47], [127.75, -32.0], [127.53, -32.53], [127.0, -32.75], [126.75, -32.65], [126.5, -32.75], [126.25, -32.65], [126.0, -32.75], [125.75, -32.65], [125.5, -32.75], [124.97, -32.53], [124.75, -32.0], [124.85, -31.75], [124.75, -31.5], [124.85, -31.25], [124.75, -31.0], [124.85, -30.75], [124.75, -30.5], [124.85, -30.25], [124.8, -30.12], [124.5, -30.25], [123.97, -30.03], [123.75, -29.5], [123.85, -29.25], [123.82, -29.18], [123.47, -29.03]]]]}, "2023-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.47, -29.03], [123.25, -28.5], [123.47, -27.97], [124.0, -27.75], [124.53, -27.97], [124.68, -28.32], [124.75, -28.35], [125.0, -28.25], [125.25, -28.35], [125.5, -28.25], [126.03, -28.47], [126.2, -28.87], [126.5, -28.75], [127.03, -28.97], [127.18, -29.32], [127.53, -29.47], [127.75, -30.0], [127.53, -30.53], [127.18, -30.68], [127.04, -31.0], [127.18, -31.32], [127.53, -31.47], [127.75, -32.0], [127.53, -32.53], [127.0, -32.75], [126.75, -32.65], [126.5, -32.75], [126.25, -32.65], [126.0, -32.75], [125.75, -32.65], [125.5, -32.75], [124.97, -32.53], [124.75, -32.0], [124.85, -31.75], [124.75, -31.5], [124.85, -31.25], [124.75, -31.0], [124.85, -30.75], [124.75, -30.5], [124.85, -30.25], [124.8, -30.12], [124.5, -30.25], [123.97, -30.03], [123.75, -29.5], [123.85, -29.25], [123.82, -29.18], [123.47, -29.03]]]]}, "2023-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.47, -29.03], [123.25, -28.5], [123.47, -27.97], [124.0, -27.75], [124.53, -27.97], [124.68, -28.32], [124.75, -28.35], [125.0, -28.25], [125.25, -28.35], [125.5, -28.25], [126.03, -28.47], [126.2, -28.87], [126.5, -28.75], [127.03, -28.97], [127.18, -29.32], [127.53, -29.47], [127.75, -30.0], [127.53, -30.53], [127.18, -30.68], [127.04, -31.0], [127.18, -31.32], [127.53, -31.47], [127.75, -32.0], [127.53, -32.53], [127.0, -32.75], [126.75, -32.65], [126.5, -32.75], [126.25, -32.65], [126.0, -32.75], [125.75, -32.65], [125.5, -32.75], [124.97, -32.53], [124.75, -32.0], [124.85, -31.75], [124.75, -31.5], [124.85, -31.25], [124.75, -31.0], [124.85, -30.75], [124.75, -30.5], [124.85, -30.25], [124.8, -30.12], [124.5, -30.25], [123.97, -30.03], [123.75, -29.5], [123.85, -29.25], [123.82, -29.18], [123.47, -29.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.640779724411914}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.354723169642796}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.86770338227217, 18.79912832252694, 18.185404609380896]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.289045150948027, 20.040387473604824, 19.485586879644643]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.9009125816117067, 4.866077705236848, 4.297179222079832]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.418747342636948, 5.640779724411914, 5.265363695078008]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5716937929286652, 1.9927266721866115, 1.7726877963367296]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9414745154781656, 2.315508146853686, 2.173789517912887]}}