{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:07.537113", "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-29_to_2024-Jun-01_152.0_-23.5"}, "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": 2024050002194}, "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 29 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 01 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 91338.13377759568}, "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": -23.5}, "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": 152.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "152.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 151.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 155.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[150.75, -23.0], [150.85, -22.75], [150.82, -22.68], [150.47, -22.53], [150.25, -22.0], [150.35, -21.75], [150.25, -21.5], [150.47, -20.97], [151.0, -20.75], [151.25, -20.85], [151.5, -20.75], [151.75, -20.85], [152.0, -20.75], [152.53, -20.97], [152.68, -21.32], [152.75, -21.35], [153.0, -21.25], [153.25, -21.35], [153.5, -21.25], [154.0, -21.46], [154.5, -21.25], [154.75, -21.35], [155.0, -21.25], [155.53, -21.47], [155.68, -21.82], [156.03, -21.97], [156.25, -22.5], [156.03, -23.03], [155.5, -23.25], [155.25, -23.15], [155.18, -23.18], [155.03, -23.53], [154.5, -23.75], [154.25, -23.65], [154.18, -23.68], [154.03, -24.03], [153.5, -24.25], [153.25, -24.15], [153.0, -24.25], [152.7, -24.12], [152.53, -24.53], [152.0, -24.75], [151.47, -24.53], [151.32, -24.18], [150.97, -24.03], [150.75, -23.5], [150.85, -23.25], [150.75, -23.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Australia", "S.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.97, -24.03], [150.75, -23.5], [150.97, -22.97], [151.5, -22.75], [151.75, -22.85], [152.0, -22.75], [152.53, -22.97], [152.75, -23.5], [152.65, -23.75], [152.75, -24.0], [152.53, -24.53], [152.0, -24.75], [151.47, -24.53], [151.32, -24.18], [150.97, -24.03]]]]}, "2024-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.25, -21.5], [150.47, -20.97], [151.0, -20.75], [151.25, -20.85], [151.5, -20.75], [151.75, -20.85], [152.0, -20.75], [152.53, -20.97], [152.68, -21.32], [152.75, -21.35], [153.0, -21.25], [153.25, -21.35], [153.5, -21.25], [154.0, -21.46], [154.5, -21.25], [154.75, -21.35], [155.0, -21.25], [155.53, -21.47], [155.68, -21.82], [156.03, -21.97], [156.25, -22.5], [156.03, -23.03], [155.5, -23.25], [155.25, -23.15], [155.18, -23.18], [155.03, -23.53], [154.5, -23.75], [154.25, -23.65], [154.18, -23.68], [154.03, -24.03], [153.5, -24.25], [153.25, -24.15], [153.0, -24.25], [152.7, -24.12], [152.53, -24.53], [152.0, -24.75], [151.47, -24.53], [151.32, -24.18], [150.97, -24.03], [150.75, -23.5], [150.85, -23.25], [150.75, -23.0], [150.85, -22.75], [150.82, -22.68], [150.47, -22.53], [150.25, -22.0], [150.35, -21.75], [150.25, -21.5]]]]}, "2024-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.25, -21.5], [150.47, -20.97], [151.0, -20.75], [151.25, -20.85], [151.5, -20.75], [151.75, -20.85], [152.0, -20.75], [152.53, -20.97], [152.68, -21.32], [152.75, -21.35], [153.0, -21.25], [153.25, -21.35], [153.5, -21.25], [154.0, -21.46], [154.5, -21.25], [154.75, -21.35], [155.0, -21.25], [155.53, -21.47], [155.68, -21.82], [156.03, -21.97], [156.25, -22.5], [156.03, -23.03], [155.5, -23.25], [155.25, -23.15], [155.18, -23.18], [155.03, -23.53], [154.5, -23.75], [154.25, -23.65], [154.18, -23.68], [154.03, -24.03], [153.5, -24.25], [153.25, -24.15], [153.0, -24.25], [152.7, -24.12], [152.53, -24.53], [152.0, -24.75], [151.47, -24.53], [151.32, -24.18], [150.97, -24.03], [150.75, -23.5], [150.85, -23.25], [150.75, -23.0], [150.85, -22.75], [150.82, -22.68], [150.47, -22.53], [150.25, -22.0], [150.35, -21.75], [150.25, -21.5]]]]}, "2024-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.25, -21.5], [150.47, -20.97], [151.0, -20.75], [151.25, -20.85], [151.5, -20.75], [151.75, -20.85], [152.0, -20.75], [152.53, -20.97], [152.68, -21.32], [152.75, -21.35], [153.0, -21.25], [153.25, -21.35], [153.5, -21.25], [154.0, -21.46], [154.5, -21.25], [154.75, -21.35], [155.0, -21.25], [155.53, -21.47], [155.68, -21.82], [156.03, -21.97], [156.25, -22.5], [156.03, -23.03], [155.5, -23.25], [155.25, -23.15], [155.18, -23.18], [155.03, -23.53], [154.5, -23.75], [154.25, -23.65], [154.18, -23.68], [154.03, -24.03], [153.5, -24.25], [153.25, -24.15], [153.0, -24.25], [152.5, -24.04], [152.0, -24.25], [151.47, -24.03], [151.32, -23.68], [150.97, -23.53], [150.75, -23.0], [150.85, -22.75], [150.82, -22.68], [150.47, -22.53], [150.25, -22.0], [150.35, -21.75], [150.25, -21.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.010111991648728}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.60957865954408}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.68641285559869, 23.62566442164308, 23.65795825522315, 23.593974177017458]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.90257464182099, 23.987143842573687, 24.106236953919392, 24.191245140071203]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8493133606424597, 1.5983525737778397, 1.6744099644938064, 1.5284262889718567]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.960702956783166, 2.513582211846199, 3.010111991648728, 1.772030573636357]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3149752617486783, 1.351192991590902, 1.3929525888099048, 1.3500921293911028]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3945376248350991, 1.8237661874958309, 2.142109460998393, 1.6805785156896023]}}