{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:25.202015", "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": "2019-Mar-14_to_2019-Mar-17_167.0_-14.0"}, "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": 2019030001836}, "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": "March 14 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 50972.30779323319}, "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": ["Vanuatu"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Pacific-Ocean"]}, "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": ["Coral 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": -14.0}, "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": 167.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "167.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 163.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 167.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[166.35, -14.25], [166.25, -14.0], [166.47, -13.47], [167.0, -13.25], [167.53, -13.47], [167.68, -13.82], [168.03, -13.97], [168.25, -14.5], [168.15, -14.75], [168.25, -15.0], [168.03, -15.53], [167.5, -15.75], [167.25, -15.65], [167.0, -15.75], [166.47, -15.53], [166.25, -15.0], [166.35, -14.75], [166.25, -14.5], [166.35, -14.25]]]]}, "2019-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.97, -14.03], [162.75, -13.5], [162.97, -12.97], [163.5, -12.75], [163.75, -12.85], [164.0, -12.75], [164.25, -12.85], [164.5, -12.75], [164.75, -12.85], [165.0, -12.75], [165.25, -12.85], [165.5, -12.75], [165.75, -12.85], [166.0, -12.75], [166.53, -12.97], [166.7, -13.37], [167.0, -13.25], [167.53, -13.47], [167.68, -13.82], [168.03, -13.97], [168.25, -14.5], [168.15, -14.75], [168.25, -15.0], [168.03, -15.53], [167.5, -15.75], [167.25, -15.65], [167.0, -15.75], [166.47, -15.53], [166.32, -15.18], [166.0, -15.04], [165.5, -15.25], [164.97, -15.03], [164.82, -14.68], [164.75, -14.65], [164.5, -14.75], [163.97, -14.53], [163.82, -14.18], [163.75, -14.15], [163.5, -14.25], [162.97, -14.03]]]]}, "2019-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.97, -14.03], [162.75, -13.5], [162.97, -12.97], [163.5, -12.75], [163.75, -12.85], [164.0, -12.75], [164.25, -12.85], [164.5, -12.75], [164.75, -12.85], [165.0, -12.75], [165.25, -12.85], [165.5, -12.75], [165.75, -12.85], [166.0, -12.75], [166.53, -12.97], [166.7, -13.37], [167.0, -13.25], [167.53, -13.47], [167.68, -13.82], [168.03, -13.97], [168.25, -14.5], [168.15, -14.75], [168.25, -15.0], [168.03, -15.53], [167.5, -15.75], [167.25, -15.65], [167.0, -15.75], [166.47, -15.53], [166.32, -15.18], [166.0, -15.04], [165.5, -15.25], [164.97, -15.03], [164.82, -14.68], [164.75, -14.65], [164.5, -14.75], [163.97, -14.53], [163.82, -14.18], [163.75, -14.15], [163.5, -14.25], [162.97, -14.03]]]]}, "2019-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[162.97, -14.03], [162.75, -13.5], [162.97, -12.97], [163.5, -12.75], [163.75, -12.85], [164.0, -12.75], [164.25, -12.85], [164.5, -12.75], [164.75, -12.85], [165.0, -12.75], [165.25, -12.85], [165.5, -12.75], [165.75, -12.85], [166.0, -12.75], [166.53, -12.97], [166.7, -13.37], [167.0, -13.25], [167.53, -13.47], [167.75, -14.0], [167.53, -14.53], [167.18, -14.68], [167.03, -15.03], [166.5, -15.25], [166.0, -15.04], [165.5, -15.25], [164.97, -15.03], [164.82, -14.68], [164.75, -14.65], [164.5, -14.75], [163.97, -14.53], [163.82, -14.18], [163.75, -14.15], [163.5, -14.25], [162.97, -14.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.2797188784415994}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9228927242229639}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.946918311206446, 28.164799404889834, 28.31746045432044, 28.27385138490581]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.360126232145888, 28.484737039131574, 28.55003461701699, 28.664570507693213]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.819647483094218, 0.8630679109552275, 1.0312686672263032, 0.8991124934643853]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0233187144369822, 1.1044348436074074, 1.2203888519591146, 1.2797188784415994]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5975945206945716, 1.7642187699928449, 2.042834878070796, 1.6523946917347518]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.983718081835371, 2.26830328264169, 2.404385807037348, 2.3165174044627195]}}