{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:32.478315", "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": "2026-Apr-16_to_2026-Apr-20_127.5_-27.0"}, "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": 2026040001994}, "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 16 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 20 2026"}, "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": "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": 85409.42250531237}, "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"]}, "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": -27.0}, "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": 127.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "127.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 125.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 130.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-04-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.47, -27.47], [128.0, -27.25], [128.25, -27.35], [128.5, -27.25], [129.03, -27.47], [129.25, -28.0], [129.15, -28.25], [129.25, -28.5], [129.03, -29.03], [128.5, -29.25], [128.25, -29.15], [128.0, -29.25], [127.47, -29.03], [127.25, -28.5], [127.35, -28.25], [127.25, -28.0], [127.47, -27.47]]]]}, "2026-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -27.0], [126.47, -26.47], [127.0, -26.25], [127.25, -26.35], [127.5, -26.25], [127.75, -26.35], [127.82, -26.32], [127.97, -25.97], [128.5, -25.75], [128.75, -25.85], [129.0, -25.75], [129.53, -25.97], [129.75, -26.5], [129.65, -26.75], [129.68, -26.82], [130.03, -26.97], [130.25, -27.5], [130.03, -28.03], [129.5, -28.25], [129.25, -28.15], [129.18, -28.18], [129.15, -28.25], [129.25, -28.5], [129.03, -29.03], [128.5, -29.25], [128.25, -29.15], [128.0, -29.25], [127.47, -29.03], [127.25, -28.5], [127.35, -28.25], [127.32, -28.18], [126.97, -28.03], [126.82, -27.68], [126.47, -27.53], [126.25, -27.0]]]]}, "2026-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.47, -25.47], [126.0, -25.25], [126.25, -25.35], [126.5, -25.25], [126.75, -25.35], [127.0, -25.25], [127.25, -25.35], [127.5, -25.25], [127.75, -25.35], [128.0, -25.25], [128.25, -25.35], [128.5, -25.25], [129.03, -25.47], [129.18, -25.82], [129.53, -25.97], [129.68, -26.32], [129.75, -26.35], [130.0, -26.25], [130.53, -26.47], [130.75, -27.0], [130.53, -27.53], [130.18, -27.68], [130.03, -28.03], [129.5, -28.25], [129.25, -28.15], [129.18, -28.18], [129.15, -28.25], [129.25, -28.5], [129.03, -29.03], [128.5, -29.25], [128.25, -29.15], [128.0, -29.25], [127.47, -29.03], [127.25, -28.5], [127.35, -28.25], [127.32, -28.18], [127.25, -28.15], [127.0, -28.25], [126.47, -28.03], [126.32, -27.68], [125.97, -27.53], [125.82, -27.18], [125.47, -27.03], [125.25, -26.5], [125.35, -26.25], [125.25, -26.0], [125.47, -25.47]]]]}, "2026-04-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.47, -25.47], [126.0, -25.25], [126.25, -25.35], [126.5, -25.25], 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26.710197090808265, 27.279540139657513]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.03964004516604, 26.08615392049154, 28.249047851562523, 28.287927246093773, 28.507965342203818]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.475670928022495, 4.158186811738865, 5.238226892350061, 4.868668922815447, 5.610989598202368]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.648485295768694, 4.653908270376576, 5.940553205343974, 5.610709736119475, 6.65646318785474]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5247152658593914, 1.407070554347579, 1.732141532422968, 1.5073499319689037, 1.6720079818505655]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5936074551562778, 1.5706224700085034, 1.9786556551810224, 1.7437267457501338, 1.9912144487034569]}}