{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:19:21.218528", "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": "2020-Mar-22_to_2020-Mar-26_142.0_-16.5"}, "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": 2020030002249}, "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 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 26 2020"}, "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": 65275.267474532986}, "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": ["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": ["Arafura 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": -16.5}, "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": 142.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "142.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 140.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.25, -17.5], [141.46, -17.0], [141.25, -16.5], [141.35, -16.25], [141.25, -16.0], [141.47, -15.47], [142.0, -15.25], [142.25, -15.35], [142.5, -15.25], [143.03, -15.47], [143.25, -16.0], [143.15, -16.25], [143.25, -16.5], [143.03, -17.03], [142.63, -17.2], [142.68, -17.32], [143.03, -17.47], [143.25, -18.0], [143.03, -18.53], [142.5, -18.75], [142.25, -18.65], [142.18, -18.68], [142.03, -19.03], [141.5, -19.25], [140.97, -19.03], [140.75, -18.5], [140.97, -17.97], [141.32, -17.82], [141.35, -17.75], [141.25, -17.5]]]]}, "2020-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.32, -17.68], [140.97, -17.53], [140.75, -17.0], [140.97, -16.47], [141.32, -16.32], [141.35, -16.25], [141.32, -16.18], [140.97, -16.03], [140.75, -15.5], [140.97, -14.97], [141.5, -14.75], [142.03, -14.97], [142.18, -15.32], [142.25, -15.35], [142.5, -15.25], [142.75, -15.35], [143.0, -15.25], [143.25, -15.35], [143.5, -15.25], [144.03, -15.47], [144.25, -16.0], [144.03, -16.53], [143.5, -16.75], [143.25, -16.65], [143.18, -16.68], [143.15, -16.75], [143.25, -17.0], [143.04, -17.5], [143.25, -18.0], [143.03, -18.53], [142.5, -18.75], [142.25, -18.65], [142.18, -18.68], [142.03, -19.03], [141.5, -19.25], [140.97, -19.03], [140.75, -18.5], [140.97, -17.97], [141.32, -17.82], [141.35, -17.75], [141.32, -17.68]]]]}, "2020-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.97, -14.97], [140.32, -14.82], [140.35, -14.75], [140.25, -14.5], [140.47, -13.97], [141.0, -13.75], [141.25, -13.85], [141.5, -13.75], [142.03, -13.97], [142.25, -14.5], [142.15, -14.75], [142.25, -15.0], [142.15, -15.25], [142.18, -15.32], [142.25, -15.35], [142.5, -15.25], [142.75, -15.35], [143.0, -15.25], [143.25, -15.35], [143.5, -15.25], [144.03, -15.47], [144.25, -16.0], [144.03, -16.53], [143.5, -16.75], [143.25, -16.65], [143.18, -16.68], [143.15, -16.75], [143.25, -17.0], [143.04, -17.5], [143.25, -18.0], [143.03, -18.53], [142.5, -18.75], [142.25, -18.65], [142.18, -18.68], [142.03, -19.03], [141.5, -19.25], [140.97, 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-16.0], [139.85, -15.75], [139.75, -15.5], [139.97, -14.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.116320869391416}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8459204911047613}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.042679991569912, 30.830881270148154, 29.76954590577259, 29.788128431798384, 29.9903867421545]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.08864825389804, 33.61357051982151, 32.28524980223193, 31.063681056588393, 31.073985587213826]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6915887772229112, 2.65162235646071, 1.579485220197858, 1.6674629980255502, 1.8135811972946356]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2929388181390777, 4.116320869391416, 2.63363277298879, 2.3872254617673434, 2.8240466592594657]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3030638134029817, 2.159908768578051, 1.5103668388488762, 1.712989861933821, 1.854385262403599]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.414498632067676, 2.7606323803252812, 2.0264602454477334, 2.115576033011064, 2.5162048260919527]}}