{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:07.515739", "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": "2014-Apr-05_to_2014-Apr-10_177.0_-38.0"}, "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": 2014040001460}, "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": "April 05 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 10 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 127178.27283145096}, "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": -38.0}, "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": 177.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "177.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 174.25}, "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": -39.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-04-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[177.5, -36.75], [177.75, -36.85], [178.0, -36.75], [178.53, -36.97], [178.75, -37.5], [178.53, -38.03], [178.18, -38.18], [178.03, -38.53], [177.5, -38.75], [177.25, -38.65], [177.0, -38.75], [176.47, -38.53], [176.25, -38.0], [176.47, -37.47], [176.82, -37.32], [176.97, -36.97], [177.5, -36.75]]]]}, "2014-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[174.96, -37.5], [174.75, -37.0], [174.97, -36.47], [175.32, -36.32], [175.47, -35.97], [175.82, -35.82], [175.97, -35.47], [176.5, -35.25], [176.75, -35.35], [177.0, -35.25], [177.53, -35.47], [177.68, -35.82], [177.75, -35.85], [178.0, -35.75], [178.53, -35.97], [178.68, -36.32], [178.75, -36.35], [179.0, -36.25], [179.53, -36.47], [179.75, -37.0], [179.65, -37.25], [179.68, -37.32], [179.75, -37.35], [180.0, -37.25], [180.0, -39.04], [179.5, -39.25], [179.25, -39.15], [179.18, -39.18], [179.03, -39.53], [178.5, -39.75], [177.97, -39.53], [177.8, -39.12], [177.5, -39.25], [177.25, -39.15], [177.18, -39.18], [177.03, -39.53], [176.68, -39.68], [176.53, -40.03], [176.0, -40.25], [175.47, -40.03], [175.25, -39.5], [175.35, -39.25], [175.32, -39.18], [174.97, -39.03], [174.75, -38.5], [174.85, -38.25], [174.75, -38.0], [174.96, -37.5]]], [[[-179.47, -37.47], [-179.25, -38.0], [-179.47, -38.53], [-179.82, -38.68], [-179.97, -39.03], [-180.0, -39.04], [-180.0, -37.25], [-179.47, -37.47]]]]}, "2014-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.75, -38.0], [173.97, -37.47], [174.32, -37.32], [174.35, -37.25], [174.25, -37.0], [174.47, -36.47], [175.0, -36.25], [175.25, -36.35], [175.32, -36.32], [175.47, -35.97], [175.82, -35.82], [175.97, -35.47], [176.5, -35.25], [176.75, -35.35], [177.0, -35.25], [177.53, -35.47], [177.68, -35.82], [177.75, -35.85], [178.0, -35.75], [178.53, -35.97], [178.68, -36.32], [178.75, -36.35], [179.0, -36.25], [179.53, -36.47], [179.75, -37.0], [179.65, -37.25], [179.68, -37.32], [179.75, -37.35], [180.0, -37.25], [180.0, -39.04], [179.5, -39.25], [179.25, -39.15], [179.18, -39.18], [179.03, -39.53], [178.5, -39.75], [177.97, -39.53], [177.8, -39.12], [177.5, -39.25], [177.25, -39.15], [177.18, -39.18], [177.03, -39.53], [176.68, -39.68], [176.53, -40.03], [176.0, -40.25], [175.47, -40.03], [175.32, -39.68], [174.97, -39.53], [174.82, -39.18], [174.47, -39.03], [174.32, -38.68], [173.97, -38.53], [173.75, -38.0]]], [[[-179.47, -37.47], [-179.25, -38.0], [-179.47, -38.53], [-179.82, -38.68], [-179.97, -39.03], [-180.0, -39.04], [-180.0, -37.25], [-179.47, -37.47]]]]}, "2014-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.97, -36.47], [174.5, -36.25], [174.75, -36.35], [175.0, -36.25], [175.25, -36.35], [175.32, -36.32], [175.47, -35.97], [175.82, -35.82], [175.97, -35.47], [176.5, -35.25], [176.75, -35.35], [177.0, -35.25], [177.53, -35.47], [177.68, -35.82], [177.75, -35.85], [178.0, -35.75], [178.53, -35.97], [178.68, -36.32], [178.75, -36.35], [179.0, -36.25], [179.53, -36.47], [179.75, -37.0], [179.65, -37.25], [179.68, -37.32], [179.75, -37.35], [180.0, -37.25], [180.0, -39.04], [179.5, -39.25], [179.25, -39.15], [179.18, -39.18], [179.03, -39.53], [178.5, -39.75], [177.97, -39.53], [177.8, -39.12], [177.5, -39.25], [177.25, -39.15], [177.18, -39.18], [177.03, -39.53], [176.68, -39.68], [176.53, -40.03], [176.0, -40.25], [175.47, -40.03], [175.32, -39.68], [174.97, -39.53], [174.82, -39.18], [174.47, -39.03], [174.32, -38.68], [173.97, -38.53], [173.75, -38.0], [173.96, -37.5], [173.75, -37.0], [173.97, -36.47]]], [[[-179.47, -37.47], [-179.25, -38.0], [-179.47, -38.53], [-179.82, -38.68], [-179.97, -39.03], [-180.0, -39.04], [-180.0, -37.25], [-179.47, -37.47]]]]}, "2014-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.97, -36.47], [174.5, -36.25], [174.75, -36.35], [175.0, -36.25], [175.25, -36.35], [175.5, -36.25], [175.75, -36.35], [176.0, -36.25], [176.25, -36.35], [176.5, -36.25], [177.0, -36.46], [177.5, -36.25], [177.75, -36.35], [178.0, -36.25], [178.25, -36.35], [178.5, -36.25], [179.03, -36.47], [179.18, -36.82], [179.53, -36.97], [179.68, -37.32], [179.75, -37.35], [180.0, -37.25], [180.0, -39.04], [179.5, -39.25], [179.25, -39.15], [179.0, -39.25], [178.75, -39.15], [178.5, -39.25], [178.0, -39.04], [177.5, -39.25], [177.25, -39.15], [177.18, -39.18], [177.03, -39.53], [176.68, -39.68], [176.53, -40.03], [176.0, -40.25], [175.47, -40.03], [175.32, -39.68], [174.97, -39.53], [174.82, -39.18], [174.47, -39.03], [174.32, -38.68], [173.97, -38.53], [173.75, -38.0], [173.96, -37.5], [173.75, -37.0], [173.97, -36.47]]], [[[-179.47, -37.47], [-179.25, -38.0], [-179.47, -38.53], [-179.82, -38.68], [-179.97, -39.03], [-180.0, -39.04], [-180.0, -37.25], [-179.47, -37.47]]]]}, "2014-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[174.47, -37.97], [175.0, -37.75], [175.53, -37.97], [175.68, -38.32], [175.75, -38.35], [176.0, -38.25], [176.53, -38.47], [176.75, -39.0], [176.65, -39.25], [176.75, -39.5], [176.53, -40.03], [176.0, -40.25], [175.47, -40.03], [175.32, -39.68], [174.97, -39.53], [174.82, -39.18], [174.47, -39.03], [174.25, -38.5], [174.47, -37.97]]], [[[178.75, -38.0], [178.97, -37.47], [179.5, -37.25], [180.0, -37.46], [180.0, -38.54], [179.5, -38.75], [178.97, -38.53], [178.75, -38.0]]], [[[-179.97, -37.47], [-179.75, -38.0], [-179.97, -38.53], [-180.0, -38.54], [-180.0, -37.46], [-179.97, -37.47]]], [[[173.75, -37.0], [173.97, -36.47], [174.5, -36.25], [175.03, -36.47], [175.25, -37.0], [175.03, -37.53], [174.5, -37.75], [173.97, -37.53], [173.75, -37.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.724321708072409}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.1927114497383533}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.258273156532937, 19.432291116231738, 19.641292356544284, 19.18698114243142, 18.59425754792312, 16.515096965300415]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.27099746281027, 21.26283806984253, 21.41863587049562, 20.836131209480868, 20.132802188692835, 19.514088821777932]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5968189613785455, 2.9806034420234226, 3.4767584786798316, 3.144448919934715, 3.1845780093199045, 3.2062414271124737]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2692847990286964, 4.907790596230711, 5.724321708072409, 5.342947613342233, 4.794850308313926, 4.251791538706698]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3698258203612108, 1.6134558306369036, 1.801738237789483, 1.6117206969473468, 1.5614719744836747, 1.3956357242456265]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.429053611687219, 2.295337797027821, 2.4831561277508376, 2.132094930076345, 1.9461871694282673, 1.5626605345845872]}}