{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:10.879952", "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-Jul-09_to_2019-Jul-12_177.5_-18.0"}, "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": 2019070001869}, "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": "July 09 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 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": 106344.80769732689}, "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": ["Fiji"]}, "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": ["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": -18.0}, "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": 177.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "177.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 173.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 178.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.75, -16.0], [173.97, -15.47], [174.5, -15.25], [174.75, -15.35], [175.0, -15.25], [175.25, -15.35], [175.5, -15.25], [175.75, -15.35], [176.0, -15.25], [176.53, -15.47], [176.68, -15.82], [176.75, -15.85], [177.0, -15.75], [177.25, -15.85], [177.5, -15.75], [178.03, -15.97], [178.18, -16.32], [178.25, -16.35], [178.5, -16.25], [179.03, -16.47], [179.25, -17.0], [179.15, -17.25], [179.25, -17.5], [179.15, -17.75], [179.25, -18.0], [179.15, -18.25], [179.25, -18.5], [179.03, -19.03], [178.5, -19.25], [178.25, -19.15], [178.0, -19.25], [177.47, -19.03], [177.32, -18.68], [177.25, -18.65], [177.0, -18.75], [176.47, -18.53], [176.32, -18.18], [176.25, -18.15], [176.0, -18.25], [175.75, -18.15], [175.5, -18.25], [174.97, -18.03], [174.82, -17.68], [174.47, -17.53], [174.25, -17.0], [174.35, -16.75], [174.32, -16.68], [173.97, -16.53], [173.75, -16.0]]]]}, "2019-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.25, -16.0], [173.47, -15.47], [174.0, -15.25], [174.25, -15.35], [174.5, -15.25], [174.75, -15.35], [175.0, -15.25], [175.25, -15.35], [175.5, -15.25], [175.75, -15.35], [176.0, -15.25], [176.53, -15.47], [176.68, -15.82], [176.75, -15.85], [177.0, -15.75], [177.25, -15.85], [177.5, -15.75], [178.03, -15.97], [178.18, -16.32], [178.25, -16.35], [178.5, -16.25], [179.03, -16.47], [179.25, -17.0], [179.15, -17.25], [179.25, -17.5], [179.15, -17.75], [179.25, -18.0], [179.15, -18.25], [179.25, -18.5], [179.03, -19.03], [178.5, -19.25], [178.25, -19.15], [178.0, -19.25], [177.47, -19.03], [177.32, -18.68], [177.25, -18.65], [177.0, -18.75], [176.75, -18.65], [176.5, -18.75], [176.25, -18.65], [176.0, -18.75], [175.47, -18.53], [175.32, -18.18], [174.97, -18.03], [174.82, -17.68], [174.75, -17.65], [174.5, -17.75], [173.97, -17.53], [173.75, -17.0], [173.85, -16.75], [173.82, -16.68], [173.47, -16.53], [173.25, -16.0]]]]}, "2019-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.25, -16.0], [173.47, -15.47], [174.0, -15.25], [174.25, -15.35], [174.5, -15.25], [174.75, -15.35], [175.0, -15.25], [175.25, -15.35], [175.5, -15.25], [175.75, -15.35], [176.0, -15.25], [176.53, -15.47], [176.68, -15.82], [176.75, -15.85], [177.0, -15.75], [177.25, -15.85], [177.5, -15.75], [178.03, -15.97], [178.18, -16.32], [178.25, -16.35], [178.5, -16.25], [179.03, -16.47], [179.25, -17.0], [179.15, -17.25], [179.25, -17.5], [179.15, -17.75], [179.25, -18.0], [179.15, -18.25], [179.25, -18.5], [179.03, -19.03], [178.5, -19.25], [178.25, -19.15], [178.0, -19.25], [177.47, -19.03], [177.32, -18.68], [177.25, -18.65], [177.0, -18.75], [176.75, -18.65], [176.5, -18.75], [176.25, -18.65], [176.0, -18.75], [175.47, -18.53], [175.32, -18.18], [174.97, -18.03], [174.82, -17.68], [174.75, -17.65], [174.5, -17.75], [173.97, -17.53], [173.75, -17.0], [173.85, -16.75], [173.82, -16.68], [173.47, -16.53], [173.25, -16.0]]]]}, "2019-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.25, -16.0], [173.47, -15.47], [174.0, -15.25], [174.25, -15.35], [174.5, -15.25], [174.75, -15.35], [175.0, -15.25], [175.25, -15.35], [175.5, -15.25], [175.75, -15.35], [176.0, -15.25], [176.53, -15.47], [176.68, -15.82], [176.75, -15.85], [177.0, -15.75], [177.25, -15.85], [177.5, -15.75], [178.03, -15.97], [178.25, -16.5], [178.15, -16.75], [178.18, -16.82], [178.53, -16.97], [178.75, -17.5], [178.65, -17.75], [178.75, -18.0], [178.53, -18.53], [178.0, -18.75], [177.75, -18.65], [177.5, -18.75], [177.25, -18.65], [177.0, -18.75], [176.75, -18.65], [176.5, -18.75], [176.25, -18.65], [176.0, -18.75], [175.47, -18.53], [175.32, -18.18], [174.97, -18.03], [174.82, -17.68], [174.75, -17.65], [174.5, -17.75], [173.97, -17.53], [173.75, -17.0], [173.85, -16.75], [173.82, -16.68], [173.47, -16.53], [173.25, -16.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.570868251708646}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3426430302082268}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.777481932258297, 25.87013109731521, 25.969427114711607, 25.856970597881627]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.569404995282866, 26.7530941345143, 26.708358627982193, 26.712864362453104]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.024942480754159, 1.3916068049547745, 1.535909011785296, 1.3484878354436831]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.680275418279848, 2.570868251708646, 2.412382243387299, 2.150372317903532]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2577219299189217, 1.6140631383521828, 1.789547767933031, 1.5577441989494607]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4926100764690136, 2.133367632163473, 2.4332253691750645, 1.911885175463157]}}