{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:44.149422", "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": "2013-Jun-16_to_2013-Jun-18_179.0_-38.5"}, "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": 2013060002253}, "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": "June 16 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 2013"}, "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": 74647.52451023067}, "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": ["South Pacific Ocean", "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": -38.5}, "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": 179.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "179.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 174.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 180.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -40.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -36.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[175.5, -38.75], [175.75, -38.85], [175.82, -38.82], [175.97, -38.47], [176.5, -38.25], [176.75, -38.35], [176.82, -38.32], [176.97, -37.97], [177.5, -37.75], [177.75, -37.85], [177.82, -37.82], [177.85, -37.75], [177.75, -37.5], [177.97, -36.97], [178.32, -36.82], [178.47, -36.47], [179.0, -36.25], [179.53, -36.47], [179.68, -36.82], [180.0, -36.96], [180.0, -40.25], [179.75, -40.15], [179.5, -40.25], [179.0, -40.04], [178.68, -40.18], [178.53, -40.53], [178.0, -40.75], [177.75, -40.65], [177.5, -40.75], [177.25, -40.65], [177.0, -40.75], [176.47, -40.53], [176.3, -40.12], [176.0, -40.25], [175.75, -40.15], [175.68, -40.18], [175.53, -40.53], [175.0, -40.75], [174.47, -40.53], [174.25, -40.0], [174.47, -39.47], [174.82, -39.32], [174.97, -38.97], [175.5, -38.75]]], [[[-179.97, -36.97], [-179.82, -37.32], [-179.47, -37.47], [-179.25, -38.0], [-179.46, -38.5], [-179.25, -39.0], [-179.35, -39.25], [-179.25, -39.5], [-179.47, -40.03], [-180.0, -40.25], [-180.0, -36.96], [-179.97, -36.97]]]]}, "2013-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[175.5, -38.75], [175.75, -38.85], [175.82, -38.82], [175.97, -38.47], [176.5, -38.25], [176.75, -38.35], [176.82, -38.32], [176.97, -37.97], [177.5, -37.75], [177.75, -37.85], [177.82, -37.82], [177.85, -37.75], [177.75, -37.5], [177.97, -36.97], [178.32, -36.82], [178.47, -36.47], [179.0, -36.25], [179.53, -36.47], [179.68, -36.82], [180.0, -36.96], [180.0, -40.25], [179.75, -40.15], [179.5, -40.25], [179.0, -40.04], [178.68, -40.18], [178.53, -40.53], [178.0, -40.75], [177.75, -40.65], [177.5, -40.75], [177.25, -40.65], [177.0, -40.75], [176.47, -40.53], [176.3, -40.12], [176.0, -40.25], [175.75, -40.15], [175.68, -40.18], [175.53, -40.53], [175.0, -40.75], [174.47, -40.53], [174.25, -40.0], [174.47, -39.47], [174.82, -39.32], [174.97, -38.97], [175.5, -38.75]]], [[[-179.97, -36.97], [-179.82, -37.32], [-179.47, -37.47], [-179.25, -38.0], [-179.46, -38.5], [-179.25, -39.0], [-179.35, -39.25], [-179.25, -39.5], [-179.47, -40.03], [-180.0, -40.25], [-180.0, -36.96], [-179.97, -36.97]]]]}, "2013-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[175.5, -38.75], [175.75, -38.85], [175.82, -38.82], [175.97, -38.47], [176.5, -38.25], [176.75, -38.35], [176.82, -38.32], [176.97, -37.97], [177.5, -37.75], [177.75, -37.85], [177.82, -37.82], [177.85, -37.75], [177.75, -37.5], [177.97, -36.97], [178.32, -36.82], [178.47, -36.47], [179.0, -36.25], [179.53, -36.47], [179.68, -36.82], [180.0, -36.96], [180.0, -40.25], [179.75, -40.15], [179.5, -40.25], [179.0, -40.04], [178.68, -40.18], [178.53, -40.53], [178.0, -40.75], [177.75, -40.65], [177.5, -40.75], [177.25, -40.65], [177.0, -40.75], [176.47, -40.53], [176.3, -40.12], [176.0, -40.25], [175.75, -40.15], [175.68, -40.18], [175.53, -40.53], [175.0, -40.75], [174.47, -40.53], [174.25, -40.0], [174.47, -39.47], [174.82, -39.32], [174.97, -38.97], [175.5, -38.75]]], [[[-179.97, -36.97], [-179.82, -37.32], [-179.47, -37.47], [-179.25, -38.0], [-179.46, -38.5], [-179.25, -39.0], [-179.35, -39.25], [-179.25, -39.5], [-179.47, -40.03], [-180.0, -40.25], [-180.0, -36.96], [-179.97, -36.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.819387565623288}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8342278429151553}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.904439508133578, 15.258443096012513, 14.7943572884829]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.915150290335987, 17.214133250708016, 16.6277552015369]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7243744559972134, 3.1282055309545354, 2.6501035417937167]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.670724781764704, 4.819387565623288, 3.978093144635011]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4430307307496715, 1.7240130304068007, 1.449541470425534]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6369312358306825, 2.0711260184876457, 1.5876582972301163]}}