{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:30.421877", "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-07_to_2011-May-11_152.5_-8.0"}, "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": 2011050001838}, "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 07 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 11 2011"}, "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": 52060.75779540132}, "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": ["Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["Solomon 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": -8.0}, "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": 152.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "152.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 150.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 153.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.75, -8.0], [149.97, -7.47], [150.32, -7.32], [150.47, -6.97], [151.0, -6.75], [151.25, -6.85], [151.5, -6.75], [151.75, -6.85], [152.0, -6.75], [152.53, -6.97], [152.68, -7.32], [153.03, -7.47], [153.25, -8.0], [153.15, -8.25], [153.25, -8.5], [153.03, -9.03], [152.5, -9.25], [152.25, -9.15], [152.0, -9.25], [151.75, -9.15], [151.5, -9.25], [151.25, -9.15], [151.0, -9.25], [150.47, -9.03], [150.32, -8.68], [149.97, -8.53], [149.75, -8.0]]]]}, "2011-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.75, -8.0], [149.97, -7.47], [150.32, -7.32], [150.47, -6.97], [151.0, -6.75], [151.25, -6.85], [151.32, -6.82], [151.47, -6.47], [152.0, -6.25], [152.25, -6.35], [152.5, -6.25], [152.75, -6.35], [153.0, -6.25], [153.53, -6.47], [153.75, -7.0], [153.65, -7.25], [153.75, -7.5], [153.53, -8.03], [153.18, -8.18], [153.15, -8.25], [153.25, -8.5], [153.03, -9.03], [152.5, -9.25], [152.25, -9.15], [152.0, -9.25], [151.75, -9.15], [151.5, -9.25], [151.25, -9.15], [151.0, -9.25], [150.47, -9.03], [150.32, -8.68], [149.97, -8.53], [149.75, -8.0]]]]}, "2011-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.75, -8.0], [149.97, -7.47], [150.32, -7.32], [150.47, -6.97], [151.0, -6.75], [151.25, -6.85], [151.32, -6.82], [151.47, -6.47], [152.0, -6.25], [152.25, -6.35], [152.5, -6.25], [152.75, -6.35], [153.0, -6.25], [153.53, -6.47], [153.75, -7.0], [153.65, -7.25], [153.75, -7.5], [153.53, -8.03], [153.18, -8.18], [153.15, -8.25], [153.25, -8.5], [153.03, -9.03], [152.5, -9.25], [152.25, -9.15], [152.0, -9.25], [151.75, -9.15], [151.5, -9.25], [151.25, -9.15], [151.0, -9.25], [150.47, -9.03], [150.32, -8.68], [149.97, -8.53], [149.75, -8.0]]]]}, "2011-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.25, -7.0], [151.47, -6.47], [152.0, -6.25], [152.25, -6.35], [152.5, -6.25], [152.75, -6.35], [153.0, -6.25], [153.53, -6.47], [153.75, -7.0], [153.65, -7.25], [153.75, -7.5], [153.53, -8.03], [153.18, -8.18], [153.03, -8.53], [152.5, -8.75], [151.97, -8.53], [151.75, -8.0], [151.85, -7.75], [151.82, -7.68], [151.47, -7.53], [151.25, -7.0]]]]}, "2011-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.25, -7.0], [151.47, -6.47], [152.0, -6.25], [152.25, -6.35], [152.5, -6.25], [152.75, -6.35], [153.0, -6.25], [153.53, -6.47], [153.75, -7.0], [153.65, -7.25], [153.75, -7.5], [153.53, -8.03], [153.18, -8.18], [153.03, -8.53], [152.5, -8.75], [151.97, -8.53], [151.75, -8.0], [151.85, -7.75], [151.82, -7.68], [151.47, -7.53], [151.25, -7.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.2348110930915936}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9858878473992322}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.90643772902797, 28.08681409865119, 28.083537057472597, 28.22363332630829, 28.295394065459448]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.091419925646733, 28.457512240166125, 28.324387762159063, 28.392718563068513, 28.431948481708275]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9097017621454171, 1.0029731147166738, 0.9778055201343183, 1.0136767982693016, 1.0849627368879642]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0550626459622094, 1.2348110930915936, 1.1026277747683366, 1.1439377806466382, 1.2318268641998316]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8045287245709745, 1.9020670365222103, 1.7626213435104934, 1.7154237047891516, 1.8108923296860695]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.109472887117145, 2.288822447436855, 1.9261374080820421, 1.9570482984643192, 2.0901475227245574]}}