{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:20.983295", "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-Sep-09_to_2023-Sep-13_130.5_-12.5"}, "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": 2023090001193}, "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": "September 09 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 13 2023"}, "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": 51097.55517506941}, "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": ["Timor 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": -12.5}, "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": 130.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "130.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 128.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 130.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[128.5, -13.75], [128.75, -13.85], [128.82, -13.82], [128.97, -13.47], [129.32, -13.32], [129.35, -13.25], [129.32, -13.18], [128.97, -13.03], [128.82, -12.68], [128.47, -12.53], [128.25, -12.0], [128.47, -11.47], [129.0, -11.25], [129.3, -11.37], [129.47, -10.97], [130.0, -10.75], [130.53, -10.97], [130.68, -11.32], [131.03, -11.47], [131.25, -12.0], [131.15, -12.25], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.54, -14.0], [130.75, -14.5], [130.65, -14.75], [130.75, -15.0], [130.53, -15.53], [130.0, -15.75], [129.75, -15.65], [129.5, -15.75], [129.25, -15.65], [129.0, -15.75], [128.47, -15.53], [128.32, -15.18], [127.97, -15.03], [127.75, -14.5], [127.97, -13.97], [128.5, -13.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.97, -15.03], [127.75, -14.5], [127.97, -13.97], [128.5, -13.75], [128.75, -13.85], [128.82, -13.82], [128.97, -13.47], [129.32, -13.32], [129.35, -13.25], [129.25, -13.0], [129.35, -12.75], [129.3, -12.63], [129.0, -12.75], [128.47, -12.53], [128.25, -12.0], [128.47, -11.47], [129.0, -11.25], [129.3, -11.37], [129.47, -10.97], [130.0, -10.75], [130.53, -10.97], [130.68, -11.32], [131.03, -11.47], [131.25, -12.0], [131.15, -12.25], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.54, -14.0], [130.75, -14.5], [130.65, -14.75], [130.75, -15.0], [130.53, -15.53], [130.0, -15.75], [129.75, -15.65], [129.5, -15.75], [129.25, -15.65], [129.0, -15.75], [128.47, -15.53], [128.32, -15.18], [127.97, -15.03]]]]}, "2023-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.97, -15.03], [127.75, -14.5], [127.97, -13.97], [128.5, -13.75], [128.75, -13.85], [128.82, -13.82], [128.97, -13.47], [129.32, -13.32], [129.35, -13.25], [129.32, -13.18], [128.97, -13.03], [128.82, -12.68], [128.47, -12.53], [128.25, -12.0], [128.47, -11.47], [129.0, -11.25], [129.3, -11.37], [129.47, -10.97], [130.0, -10.75], [130.53, -10.97], [130.68, -11.32], [131.03, -11.47], [131.25, -12.0], [131.15, -12.25], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.54, -14.0], [130.75, -14.5], [130.65, -14.75], [130.75, -15.0], [130.53, -15.53], [130.0, -15.75], [129.75, -15.65], [129.5, -15.75], [129.25, -15.65], [129.0, -15.75], [128.47, -15.53], [128.32, -15.18], [127.97, -15.03]]]]}, "2023-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.97, -15.03], [127.75, -14.5], [127.97, -13.97], [128.5, -13.75], [128.75, -13.85], [128.82, -13.82], [128.97, -13.47], [129.32, -13.32], [129.35, -13.25], [129.32, -13.18], [128.97, -13.03], [128.82, -12.68], [128.47, -12.53], [128.25, -12.0], [128.47, -11.47], [129.0, -11.25], [129.3, -11.37], [129.47, -10.97], [130.0, -10.75], [130.53, -10.97], [130.68, -11.32], [131.03, -11.47], [131.25, -12.0], [131.15, -12.25], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.54, -14.0], [130.75, -14.5], [130.65, -14.75], [130.75, -15.0], [130.53, -15.53], [130.0, -15.75], [129.75, -15.65], [129.5, -15.75], [129.25, -15.65], [129.0, -15.75], [128.47, -15.53], [128.32, -15.18], [127.97, -15.03]]]]}, "2023-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, -15.25], [127.97, -15.03], [127.75, -14.5], [127.97, -13.97], [128.5, -13.75], [128.75, -13.85], [128.82, -13.82], [128.97, -13.47], [129.32, -13.32], [129.35, -13.25], [129.32, -13.18], [128.97, -13.03], [128.75, -12.5], [128.97, -11.97], [129.38, -11.8], [129.25, -11.5], [129.47, -10.97], [130.0, -10.75], [130.53, -10.97], [130.68, -11.32], [131.03, -11.47], [131.25, -12.0], [131.15, -12.25], [131.25, -12.5], [131.03, -13.03], [130.68, -13.18], [130.65, -13.25], [130.75, -13.5], [130.53, -14.03], [130.18, -14.18], [130.15, -14.25], [130.25, -14.5], [130.15, -14.75], [130.25, -15.0], [130.03, -15.53], [129.5, -15.75], [128.97, -15.53], [128.82, -15.18], [128.75, -15.15], [128.5, -15.25]]]]}, "2023-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.97, -11.97], [130.5, -11.75], [131.03, -11.97], [131.25, -12.5], [131.03, -13.03], [130.5, -13.25], [129.97, -13.03], [129.75, -12.5], [129.97, -11.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4471511669020742}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6289218043242735}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.055920846868673, 28.448673144678025, 28.132031757014886, 27.915474138245088, 27.765077531220584]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.182340032803495, 30.20569948862891, 29.604414209648326, 28.60208043766653, 27.765077531220584]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.596404799323313, 1.9260732234625246, 1.5689147223599307, 1.3794644221544843, 1.1112287384206638]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.493201326181577, 3.4471511669020742, 2.8000300838276075, 1.8622847324084546, 1.1112287384206638]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.830045256173558, 2.1926035189402464, 1.8498887998140539, 1.804203707766437, 1.643032828579437]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.268427665073482, 2.945857920447781, 2.561262490792523, 2.286918882383804, 1.643032828579437]}}