{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:37.521862", "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": "2011-May-24_to_2011-May-26_173.5_-41.5"}, "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": 2011050002527}, "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 24 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 26 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 91265.03626340909}, "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": ["New Zealand"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["New-Zealand"]}, "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": ["Tasman 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": -41.5}, "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": 173.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "173.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 170.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 175.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -38.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[170.75, -41.5], [170.97, -40.97], [171.5, -40.75], [171.75, -40.85], [171.82, -40.82], [171.85, -40.75], [171.75, -40.5], [171.85, -40.25], [171.75, -40.0], [171.97, -39.47], [172.32, -39.32], [172.35, -39.25], [172.25, -39.0], [172.47, -38.47], [172.82, -38.32], [172.97, -37.97], [173.5, -37.75], [173.75, -37.85], [174.0, -37.75], [174.53, -37.97], [174.75, -38.5], [174.65, -38.75], [174.75, -39.0], [174.63, -39.3], [175.03, -39.47], [175.18, -39.82], [175.53, -39.97], [175.75, -40.5], [175.63, -40.8], [176.03, -40.97], [176.25, -41.5], [176.03, -42.03], [175.5, -42.25], [175.25, -42.15], [175.0, -42.25], [174.5, -42.04], [174.18, -42.18], [174.03, -42.53], [173.5, -42.75], [173.25, -42.65], [173.0, -42.75], [172.75, -42.65], [172.68, -42.68], [172.53, -43.03], [172.0, -43.25], [171.75, -43.15], [171.5, -43.25], [171.25, -43.15], [171.0, -43.25], [170.47, -43.03], [170.25, -42.5], [170.47, -41.97], [170.82, -41.82], [170.85, -41.75], [170.75, -41.5]]]]}, "2011-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[170.75, -41.5], [170.97, -40.97], [171.5, -40.75], [171.75, -40.85], [171.82, -40.82], [171.85, -40.75], [171.75, -40.5], [171.85, -40.25], [171.75, -40.0], [171.97, -39.47], [172.32, -39.32], [172.35, -39.25], [172.25, -39.0], [172.47, -38.47], [172.82, -38.32], [172.97, -37.97], [173.5, -37.75], [173.75, -37.85], [174.0, -37.75], [174.53, -37.97], [174.75, -38.5], [174.65, -38.75], [174.75, -39.0], [174.63, -39.3], [175.03, -39.47], [175.18, -39.82], [175.53, -39.97], [175.75, -40.5], [175.63, -40.8], [176.03, -40.97], [176.25, -41.5], [176.03, -42.03], [175.5, -42.25], [175.25, -42.15], [175.0, -42.25], [174.5, -42.04], [174.18, -42.18], [174.03, -42.53], [173.5, -42.75], [173.25, -42.65], [173.0, -42.75], [172.75, -42.65], [172.68, -42.68], [172.53, -43.03], [172.0, -43.25], [171.75, -43.15], [171.5, -43.25], [171.25, -43.15], [171.0, -43.25], [170.47, -43.03], [170.25, -42.5], [170.47, -41.97], [170.82, -41.82], [170.85, -41.75], [170.75, -41.5]]]]}, "2011-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[170.75, -41.5], [170.97, -40.97], [171.5, -40.75], [171.75, -40.85], [171.82, -40.82], [171.85, -40.75], [171.75, -40.5], [171.85, -40.25], [171.75, -40.0], [171.97, -39.47], [172.32, -39.32], [172.35, -39.25], [172.25, -39.0], [172.47, -38.47], [172.82, -38.32], [172.97, -37.97], [173.5, -37.75], [173.75, -37.85], [174.0, -37.75], [174.53, -37.97], [174.75, -38.5], [174.65, -38.75], [174.75, -39.0], [174.63, -39.3], [175.03, -39.47], [175.18, -39.82], [175.53, -39.97], [175.75, -40.5], [175.63, -40.8], [176.03, -40.97], [176.25, -41.5], [176.03, -42.03], [175.5, -42.25], [175.25, -42.15], [175.0, -42.25], [174.5, -42.04], [174.18, -42.18], [174.03, -42.53], [173.5, -42.75], [173.25, -42.65], [173.0, -42.75], [172.75, -42.65], [172.68, -42.68], [172.53, -43.03], [172.0, -43.25], [171.75, -43.15], [171.5, -43.25], [171.25, -43.15], [171.0, -43.25], [170.47, -43.03], [170.25, -42.5], [170.47, -41.97], [170.82, -41.82], [170.85, -41.75], [170.75, -41.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.9058193333654}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.304988530341565}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.923299412895403, 14.943631834414816, 13.68496817535845]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.049001720329613, 17.71711617486875, 16.658631874193077]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9161043867179686, 4.072442659320235, 2.926418544986492]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.465323828001942, 6.9058193333654, 5.286739819952686]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6586039116012778, 2.279569251531164, 1.5615054974246059]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1220357410308304, 2.636559472789819, 2.045738623898368]}}