{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:04.778086", "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": "2024-Mar-16_to_2024-Mar-18_140.5_-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": 2024030001526}, "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": "March 16 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 18 2024"}, "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": 67782.76558155566}, "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": -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": 140.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "140.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 138.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -39.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -37.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[137.47, -37.47], [137.82, -37.32], [137.97, -36.97], [138.5, -36.75], [138.75, -36.85], [139.0, -36.75], [139.53, -36.97], [139.68, -37.32], [139.75, -37.35], [140.0, -37.25], [140.25, -37.35], [140.5, -37.25], [140.75, -37.35], [141.0, -37.25], [141.25, -37.35], [141.5, -37.25], [142.03, -37.47], [142.18, -37.82], [142.25, -37.85], [142.5, -37.75], [142.75, -37.85], [143.0, -37.75], [143.53, -37.97], [143.75, -38.5], [143.65, -38.75], [143.75, -39.0], [143.53, -39.53], [143.0, -39.75], [142.75, -39.65], [142.5, -39.75], [142.25, -39.65], [142.18, -39.68], [142.03, -40.03], [141.5, -40.25], [140.97, -40.03], [140.82, -39.68], [140.75, -39.65], [140.5, -39.75], [140.25, -39.65], [140.0, -39.75], [139.47, -39.53], [139.32, -39.18], [139.25, -39.15], [139.0, -39.25], [138.75, -39.15], [138.5, -39.25], [137.97, -39.03], [137.82, -38.68], [137.47, -38.53], [137.25, -38.0], [137.47, -37.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -38.53], [137.25, -38.0], [137.47, -37.47], [137.82, -37.32], [137.97, -36.97], [138.5, -36.75], [138.75, -36.85], [139.0, -36.75], [139.53, -36.97], [139.68, -37.32], [139.75, -37.35], [140.0, -37.25], [140.25, -37.35], [140.5, -37.25], [140.75, -37.35], [141.0, -37.25], [141.25, -37.35], [141.5, -37.25], [142.03, -37.47], [142.18, -37.82], [142.25, -37.85], [142.5, -37.75], [142.75, -37.85], [143.0, -37.75], [143.53, -37.97], [143.75, -38.5], [143.65, -38.75], [143.75, -39.0], [143.53, -39.53], [143.0, -39.75], [142.75, -39.65], [142.5, -39.75], [142.25, -39.65], [142.18, -39.68], [142.03, -40.03], [141.5, -40.25], [140.97, -40.03], [140.82, -39.68], [140.75, -39.65], [140.5, -39.75], [140.25, -39.65], [140.0, -39.75], [139.47, -39.53], [139.32, -39.18], [139.25, -39.15], [139.0, -39.25], [138.75, -39.15], [138.5, -39.25], [137.97, -39.03], [137.82, -38.68], [137.47, -38.53]]]]}, "2024-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -38.53], [137.25, -38.0], [137.47, -37.47], [137.82, -37.32], [137.97, -36.97], [138.5, -36.75], [138.75, -36.85], [139.0, -36.75], [139.53, -36.97], [139.68, -37.32], [139.75, -37.35], [140.0, -37.25], [140.25, -37.35], [140.5, -37.25], [140.75, -37.35], [141.0, -37.25], [141.25, -37.35], [141.5, -37.25], [142.03, -37.47], [142.18, -37.82], [142.25, -37.85], [142.5, -37.75], [142.75, -37.85], [143.0, -37.75], [143.53, -37.97], [143.75, -38.5], [143.65, -38.75], [143.75, -39.0], [143.53, -39.53], [143.0, -39.75], [142.75, -39.65], [142.5, -39.75], [142.25, -39.65], [142.18, -39.68], [142.03, -40.03], [141.5, -40.25], [140.97, -40.03], [140.82, -39.68], [140.75, -39.65], [140.5, -39.75], [140.25, -39.65], [140.0, -39.75], [139.47, -39.53], [139.32, -39.18], [139.25, -39.15], [139.0, -39.25], [138.75, -39.15], [138.5, -39.25], [137.97, -39.03], [137.82, -38.68], [137.47, -38.53]]]]}, "2024-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -38.53], [137.25, -38.0], [137.47, -37.47], [137.82, -37.32], [137.97, -36.97], [138.5, -36.75], [138.75, -36.85], [139.0, -36.75], [139.53, -36.97], [139.68, -37.32], [139.75, -37.35], [140.0, -37.25], [140.25, -37.35], [140.5, -37.25], [140.75, -37.35], [141.0, -37.25], [141.25, -37.35], [141.5, -37.25], [142.03, -37.47], [142.18, -37.82], [142.25, -37.85], [142.5, -37.75], [142.75, -37.85], [143.0, -37.75], [143.53, -37.97], [143.75, -38.5], [143.65, -38.75], [143.75, -39.0], [143.53, -39.53], [143.0, -39.75], [142.75, -39.65], [142.5, -39.75], [142.25, -39.65], [142.18, -39.68], [142.03, -40.03], [141.5, -40.25], [140.97, -40.03], [140.82, -39.68], [140.75, -39.65], [140.5, -39.75], [140.25, -39.65], [140.0, -39.75], [139.47, -39.53], [139.32, -39.18], [139.25, -39.15], [139.0, -39.25], [138.75, -39.15], [138.5, -39.25], [137.97, -39.03], [137.82, -38.68], [137.47, -38.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.758518508502732}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.210777438296529}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.270316613170905, 19.648982048044275, 20.16051451317736]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.164816816090195, 22.38449168353287, 25.259884387095553]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7314635533741956, 3.1894325226246645, 3.7114362388907267]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.527901955761195, 5.895872027070652, 8.758518508502732]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.642223568429012, 2.0281190470621877, 2.2249471077801246]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8830759745745362, 2.3664514293163106, 2.778955738672883]}}