{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:01.096145", "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-Jan-13_to_2019-Jan-18_161.0_-9.0"}, "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": 2019010001896}, "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": "January 13 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 18 2019"}, "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": 70116.90558959056}, "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": ["Solomon Islands"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "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": ["Solomon Sea", "South Pacific Ocean"]}, "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": -9.0}, "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": 161.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "161.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 159.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 163.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.85, -8.75], [159.75, -8.5], [159.85, -8.25], [159.75, -8.0], [159.97, -7.47], [160.5, -7.25], [160.75, -7.35], [161.0, -7.25], [161.53, -7.47], [161.68, -7.82], [161.75, -7.85], [162.0, -7.75], [162.53, -7.97], [162.75, -8.5], [162.53, -9.03], [162.18, -9.18], [162.15, -9.25], [162.25, -9.5], [162.13, -9.8], [162.53, -9.97], [162.75, -10.5], [162.53, -11.03], [162.0, -11.25], [161.47, -11.03], [161.25, -10.5], [161.03, -11.03], [160.5, -11.25], [160.25, -11.15], [160.0, -11.25], [159.47, -11.03], [159.25, -10.5], [159.47, -9.97], [159.88, -9.8], [159.75, -9.5], [159.85, -9.25], [159.75, -9.0], [159.85, -8.75]], [[161.38, -10.2], [161.25, -10.15], [161.13, -10.2], [161.25, -10.5], [161.38, -10.2]]]]}, "2019-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.85, -8.75], [159.75, -8.5], [159.85, -8.25], [159.75, -8.0], [159.97, -7.47], [160.5, -7.25], [160.75, -7.35], [161.0, -7.25], [161.53, -7.47], [161.68, -7.82], [161.75, -7.85], [162.0, -7.75], [162.53, -7.97], [162.75, -8.5], [162.53, -9.03], [162.18, -9.18], [162.15, -9.25], [162.18, -9.32], [162.25, -9.35], [162.5, -9.25], [162.75, -9.35], [163.0, -9.25], [163.53, -9.47], [163.75, -10.0], [163.53, -10.53], [163.0, -10.75], [162.75, -10.65], [162.68, -10.68], [162.53, -11.03], [162.0, -11.25], [161.75, -11.15], [161.5, -11.25], [161.25, -11.15], [161.0, -11.25], [160.75, -11.15], [160.5, -11.25], [160.25, -11.15], [160.0, -11.25], [159.47, -11.03], [159.25, -10.5], [159.47, -9.97], [159.88, -9.8], [159.75, -9.5], [159.85, -9.25], [159.75, -9.0], [159.85, -8.75]]]]}, "2019-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.75, -9.5], [159.85, -9.25], [159.75, -9.0], [159.85, -8.75], [159.75, -8.5], [159.85, -8.25], [159.75, -8.0], [159.97, -7.47], [160.5, -7.25], [160.75, -7.35], [161.0, -7.25], [161.53, -7.47], [161.68, -7.82], [161.75, -7.85], [162.0, -7.75], [162.53, -7.97], [162.75, -8.5], [162.53, -9.03], [162.18, -9.18], [162.15, -9.25], [162.18, -9.32], [162.25, -9.35], [162.5, -9.25], [162.75, -9.35], [163.0, 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-10.25], [159.75, -10.0], [159.85, -9.75]]]]}, "2019-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[159.97, -9.47], [160.38, -9.3], [160.25, -9.0], [160.47, -8.47], [161.0, -8.25], [161.53, -8.47], [161.75, -9.0], [161.53, -9.53], [161.13, -9.7], [161.25, -10.0], [161.15, -10.25], [161.25, -10.5], [161.03, -11.03], [160.5, -11.25], [159.97, -11.03], [159.75, -10.5], [159.85, -10.25], [159.75, -10.0], [159.97, -9.47]]]]}, "2019-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[161.0, -8.25], [161.53, -8.47], [161.75, -9.0], [161.53, -9.53], [161.0, -9.75], [160.47, -9.53], [160.25, -9.0], [160.47, -8.47], [161.0, -8.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.724517966563667}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.033072631500719}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.162284936525623, 28.21728206286747, 28.31356942501378, 28.157577348674693, 27.692624374516242, 26.94443581289653]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.663819657476893, 28.89478367942803, 28.963499690630442, 28.761734915833927, 28.168174238107326, 26.94443581289653]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9792876887354283, 0.9672335292975163, 1.097908764698465, 1.0971317020579647, 0.9782600700796517, 1.0646866543641522]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.590238199325654, 1.199574691043722, 1.724517966563667, 1.6562133668580827, 1.132442409183568, 1.0646866543641522]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.737927639719608, 1.72259053944312, 1.9802533302500216, 2.0499614125381926, 1.6978392937985636, 1.5345817097522272]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.261986786939228, 2.223126502695143, 2.6972110671150333, 2.7406165950491044, 1.9041589230744023, 1.5345817097522272]}}