{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:57.806984", "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-May-11_to_2024-May-16_145.5_-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": 2024050001414}, "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 11 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 16 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 115373.55822536636}, "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": ["Coral Sea"]}, "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": 145.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "145.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 143.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 148.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[146.0, -23.25], [145.47, -23.03], [145.3, -22.62], [145.0, -22.75], [144.75, -22.65], [144.5, -22.75], [143.97, -22.53], [143.82, -22.18], [143.75, -22.15], [143.5, -22.25], [142.97, -22.03], [142.75, -21.5], [142.85, -21.25], [142.75, -21.0], [142.85, -20.75], [142.75, -20.5], [142.97, -19.97], [143.5, -19.75], [143.75, -19.85], [144.0, -19.75], [144.53, -19.97], [144.68, -20.32], [144.75, -20.35], [145.0, -20.25], [145.25, -20.35], [145.32, -20.32], [145.47, -19.97], [146.0, -19.75], [146.25, -19.85], [146.32, -19.82], [146.35, -19.75], [146.25, -19.5], [146.47, -18.97], [147.0, -18.75], [147.25, -18.85], [147.5, -18.75], [148.03, -18.97], [148.18, -19.32], [148.53, -19.47], [148.68, -19.82], [149.03, -19.97], [149.25, -20.5], [149.03, -21.03], [148.68, -21.18], [148.65, -21.25], [148.75, -21.5], [148.65, -21.75], [148.75, -22.0], [148.53, -22.53], [148.0, -22.75], [147.75, -22.65], [147.5, -22.75], [147.25, -22.65], [147.0, -22.75], [146.75, -22.65], [146.68, -22.68], [146.53, -23.03], [146.0, -23.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "C.Australia", "E.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.97, -20.47], [145.5, -20.25], [146.03, -20.47], [146.25, -21.0], [146.15, -21.25], [146.25, -21.5], [146.13, -21.8], [146.53, -21.97], [146.75, -22.5], [146.53, -23.03], [146.0, -23.25], [145.47, -23.03], [145.25, -22.5], [145.38, -22.2], [145.25, -22.15], [145.0, -22.25], [144.47, -22.03], [144.25, -21.5], [144.47, -20.97], [144.82, -20.82], [144.97, -20.47]]]]}, "2024-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.25, -20.5], [143.47, -19.97], [144.0, -19.75], [144.53, -19.97], [144.7, -20.37], [145.0, -20.25], [145.25, -20.35], [145.5, -20.25], [145.75, -20.35], [146.0, -20.25], [146.53, -20.47], [146.68, -20.82], [147.03, -20.97], [147.25, -21.5], [147.03, -22.03], [146.63, 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"description": "Maximum t2m anomaly recorded over entire duration", "value": 3.81087456150874}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.941417588721835}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.558046650727533, 23.045897319189464, 23.528456079608247, 23.51138915577502, 23.638343709969035, 23.398688502819084]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.00289326403032, 24.376895790867877, 25.084121933141716, 25.315861979305566, 25.47290695495684, 23.57781163307709]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.712770923920317, 2.8336018827693805, 2.943652426247712, 2.91132364375909, 3.0619710727150156, 2.129131686476086]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8652848369596313, 3.007979349779589, 3.5964421918035896, 3.7140261286381246, 3.81087456150874, 2.311853767951334]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1708959257257094, 1.2052129620295422, 1.3687136530715696, 1.3998914073592177, 1.4212252865161095, 1.2158351369838296]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2027715547514997, 1.3379348624391842, 1.5725444636587422, 1.66152386059091, 1.7019275610642026, 1.239880584323512]}}