{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:28.169268", "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": "2011-Sep-13_to_2011-Sep-18_110.0_13.0"}, "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": 2011090002186}, "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": "September 13 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 18 2011"}, "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": 78290.54991983518}, "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": ["Vietnam"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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 China 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": 13.0}, "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": 110.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.0, 13.75], [110.53, 13.53], [110.75, 13.0], [110.53, 12.47], [110.0, 12.25], [109.47, 12.47], [109.25, 13.0], [109.47, 13.53], [110.0, 13.75]]]]}, "2011-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.0, 13.75], [110.25, 13.65], [110.5, 13.75], [111.03, 13.53], [111.25, 13.0], [111.03, 12.47], [110.68, 12.32], [110.53, 11.97], [110.0, 11.75], [109.75, 11.85], [109.5, 11.75], [108.97, 11.97], [108.75, 12.5], [108.97, 13.03], [109.32, 13.18], [109.47, 13.53], [110.0, 13.75]]]]}, "2011-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.85, 12.25], [108.75, 12.5], [108.97, 13.03], [109.32, 13.18], [109.47, 13.53], [110.0, 13.75], [110.25, 13.65], [110.5, 13.75], [110.75, 13.65], [111.0, 13.75], [111.53, 13.53], [111.75, 13.0], [111.54, 12.5], [111.75, 12.0], [111.53, 11.47], [111.18, 11.32], [111.03, 10.97], [110.5, 10.75], [110.25, 10.85], [110.0, 10.75], [109.75, 10.85], [109.5, 10.75], [108.97, 10.97], [108.75, 11.5], [108.85, 11.75], [108.75, 12.0], [108.85, 12.25]]]]}, "2011-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.25, 12.5], [108.47, 13.03], [108.82, 13.18], [108.85, 13.25], [108.82, 13.32], [108.47, 13.47], [108.25, 14.0], [108.47, 14.53], [108.82, 14.68], [108.97, 15.03], [109.32, 15.18], [109.47, 15.53], [110.0, 15.75], [110.53, 15.53], [110.75, 15.0], [110.65, 14.75], [110.68, 14.68], [111.03, 14.53], [111.18, 14.18], [111.53, 14.03], [111.75, 13.5], [111.65, 13.25], [111.75, 13.0], [111.54, 12.5], [111.75, 12.0], [111.53, 11.47], [111.18, 11.32], [111.03, 10.97], [110.5, 10.75], [110.25, 10.85], [110.0, 10.75], [109.75, 10.85], [109.5, 10.75], [108.97, 10.97], [108.75, 11.5], [108.85, 11.75], [108.82, 11.82], [108.47, 11.97], [108.25, 12.5]]]]}, "2011-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.25, 12.5], [108.47, 13.03], [108.82, 13.18], [108.85, 13.25], [108.82, 13.32], [108.47, 13.47], [108.25, 14.0], [108.47, 14.53], [108.82, 14.68], [108.97, 15.03], [109.32, 15.18], [109.47, 15.53], [110.0, 15.75], [110.53, 15.53], [110.75, 15.0], [110.65, 14.75], [110.68, 14.68], [111.03, 14.53], [111.18, 14.18], [111.53, 14.03], [111.75, 13.5], [111.65, 13.25], [111.75, 13.0], [111.54, 12.5], [111.75, 12.0], [111.53, 11.47], [111.18, 11.32], [111.03, 10.97], [110.5, 10.75], [110.25, 10.85], [110.0, 10.75], [109.75, 10.85], [109.5, 10.75], [108.97, 10.97], [108.75, 11.5], [108.85, 11.75], [108.82, 11.82], [108.47, 11.97], [108.25, 12.5]]]]}, "2011-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.25, 12.5], [108.47, 13.03], [108.82, 13.18], [108.85, 13.25], [108.82, 13.32], [108.47, 13.47], [108.25, 14.0], [108.47, 14.53], [108.82, 14.68], [108.97, 15.03], [109.32, 15.18], [109.47, 15.53], [110.0, 15.75], [110.53, 15.53], [110.75, 15.0], [110.65, 14.75], [110.68, 14.68], [111.03, 14.53], [111.18, 14.18], [111.53, 14.03], [111.75, 13.5], [111.65, 13.25], [111.75, 13.0], [111.53, 12.47], [111.18, 12.32], [111.03, 11.97], [110.68, 11.82], [110.53, 11.47], [110.18, 11.32], [110.03, 10.97], [109.5, 10.75], [108.97, 10.97], [108.75, 11.5], [108.85, 11.75], [108.82, 11.82], [108.47, 11.97], [108.25, 12.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.391385159084109}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.25358988597697}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.8942854148259, 28.872517453963326, 28.68018443236832, 29.009330387654416, 29.10092387362755, 29.11202932002095]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.8942854148259, 29.069372118081276, 29.27549977635732, 29.622294040929262, 29.841152419998537, 30.057496088787673]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9713349296226852, 0.9824169374724931, 0.9774707445843135, 1.2583664559457999, 1.3508949417652638, 1.3582432186493116]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9713349296226852, 1.0263275008690016, 1.2648272583263065, 1.9267526849102978, 1.9147832695666693, 2.391385159084109]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.240711096476679, 1.326929689493146, 1.4416572219202695, 1.6102264261732049, 1.7055354937707332, 1.6372203952978013]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.240711096476679, 1.3576598654497924, 1.723554595495225, 2.0001454323205947, 2.0008307111999897, 2.123688913150709]}}