{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:29.928927", "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-May-30_to_2013-Jun-01_168.0_-47.0"}, "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": 2013050002886}, "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 30 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 01 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": 63318.34447401185}, "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": -47.0}, "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": 168.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "168.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 165.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 171.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -48.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -45.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[165.25, -45.5], [165.47, -44.97], [166.0, -44.75], [166.25, -44.85], [166.5, -44.75], [167.03, -44.97], [167.25, -45.5], [167.15, -45.75], [167.18, -45.82], [167.25, -45.85], [167.5, -45.75], [167.75, -45.85], [167.82, -45.82], [167.97, -45.47], [168.5, -45.25], [169.03, -45.47], [169.18, -45.82], [169.25, -45.85], [169.5, -45.75], [170.03, -45.97], [170.18, -46.32], [170.25, -46.35], [170.5, -46.25], [170.75, -46.35], [171.0, -46.25], [171.25, -46.35], [171.5, -46.25], [172.03, -46.47], [172.25, -47.0], [172.03, -47.53], [171.68, -47.68], [171.53, -48.03], [171.0, -48.25], [170.75, -48.15], [170.5, -48.25], [170.25, -48.15], [170.0, -48.25], [169.75, -48.15], [169.68, -48.18], [169.53, -48.53], [169.0, -48.75], [168.75, -48.65], [168.5, -48.75], [167.97, -48.53], [167.82, -48.18], [167.75, -48.15], [167.5, -48.25], [166.97, -48.03], [166.82, -47.68], [166.47, -47.53], [166.25, -47.0], [166.35, -46.75], [166.32, -46.68], [165.97, -46.53], [165.82, -46.18], [165.47, -46.03], [165.25, -45.5]]]]}, "2013-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[165.25, -45.5], [165.47, -44.97], [166.0, -44.75], [166.25, -44.85], [166.5, -44.75], [167.03, -44.97], [167.25, -45.5], [167.15, -45.75], [167.18, -45.82], [167.25, -45.85], [167.5, -45.75], [167.75, -45.85], [167.82, -45.82], [167.97, -45.47], [168.5, -45.25], [169.03, -45.47], [169.18, -45.82], [169.25, -45.85], [169.5, -45.75], [170.03, -45.97], [170.18, -46.32], [170.25, -46.35], [170.5, -46.25], [170.75, -46.35], [171.0, -46.25], [171.25, -46.35], [171.5, -46.25], [172.03, -46.47], [172.25, -47.0], [172.03, -47.53], [171.68, -47.68], [171.53, -48.03], [171.0, -48.25], [170.75, -48.15], [170.5, -48.25], [170.25, -48.15], [170.0, -48.25], [169.75, -48.15], [169.68, -48.18], [169.53, -48.53], [169.0, -48.75], [168.75, -48.65], [168.5, -48.75], [167.97, -48.53], [167.82, -48.18], [167.75, -48.15], [167.5, -48.25], [166.97, -48.03], [166.82, -47.68], [166.47, -47.53], [166.25, -47.0], [166.35, -46.75], [166.32, -46.68], [165.97, -46.53], [165.82, -46.18], [165.47, -46.03], [165.25, -45.5]]]]}, "2013-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[165.25, -45.5], [165.47, -44.97], [166.0, -44.75], [166.25, -44.85], [166.5, -44.75], [167.03, -44.97], [167.25, -45.5], [167.15, -45.75], [167.18, -45.82], [167.25, -45.85], [167.5, -45.75], [167.75, -45.85], [167.82, -45.82], [167.97, -45.47], [168.5, -45.25], [169.03, -45.47], [169.18, -45.82], [169.25, -45.85], [169.5, -45.75], [170.03, -45.97], [170.18, -46.32], [170.25, -46.35], [170.5, -46.25], [170.75, -46.35], [171.0, -46.25], [171.25, -46.35], [171.5, -46.25], [172.03, -46.47], [172.25, -47.0], [172.03, -47.53], [171.68, -47.68], [171.53, -48.03], [171.0, -48.25], [170.75, -48.15], [170.5, -48.25], [170.25, -48.15], [170.0, -48.25], [169.75, -48.15], [169.68, -48.18], [169.53, -48.53], [169.0, -48.75], [168.75, -48.65], [168.5, -48.75], [167.97, -48.53], [167.82, -48.18], [167.75, -48.15], [167.5, -48.25], [166.97, -48.03], [166.82, -47.68], [166.47, -47.53], [166.25, -47.0], [166.35, -46.75], [166.32, -46.68], [165.97, -46.53], [165.82, -46.18], [165.47, -46.03], [165.25, -45.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.256534388373609}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.6394145945631204}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.805020208091662, 11.723129920068914, 11.97866937898317]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.288577357510917, 13.049974161257182, 13.356880027688646]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6154118709715495, 2.5120229706769845, 2.7908089420408277]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.677094188132628, 4.851261582850839, 7.256534388373609]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5960084709757274, 1.5742485640899404, 1.7286957027855252]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1966089930113246, 2.179755344114715, 2.526394749048967]}}