{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:19.131917", "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": "2016-Sep-17_to_2016-Sep-19_28.5_41.5"}, "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": 2016090002036}, "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 17 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 19 2016"}, "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": 88285.55946868152}, "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": ["Bulgaria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": ["Black 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": 41.5}, "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": 28.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "28.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 26.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 41.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 44.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.97, 41.97], [25.75, 42.5], [25.97, 43.03], [26.5, 43.25], [26.75, 43.15], [26.82, 43.18], [26.97, 43.53], [27.32, 43.68], [27.47, 44.03], [28.0, 44.25], [28.25, 44.15], [28.32, 44.18], [28.47, 44.53], [29.0, 44.75], [29.25, 44.65], [29.32, 44.68], [29.47, 45.03], [30.0, 45.25], [30.25, 45.15], [30.5, 45.25], [31.03, 45.03], [31.18, 44.68], [31.53, 44.53], [31.75, 44.0], [31.65, 43.75], [31.75, 43.5], [31.65, 43.25], [31.75, 43.0], [31.53, 42.47], [31.0, 42.25], [30.75, 42.35], [30.68, 42.32], [30.54, 42.0], [30.75, 41.5], [30.53, 40.97], [30.0, 40.75], [29.75, 40.85], [29.5, 40.75], [29.25, 40.85], [29.0, 40.75], [28.75, 40.85], [28.5, 40.75], [27.97, 40.97], [27.82, 41.32], [27.75, 41.35], [27.5, 41.25], [26.97, 41.47], [26.82, 41.82], [26.75, 41.85], [26.5, 41.75], [25.97, 41.97]]]]}, "2016-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.97, 41.97], [25.75, 42.5], [25.97, 43.03], [26.5, 43.25], [26.75, 43.15], [26.82, 43.18], [26.97, 43.53], [27.32, 43.68], [27.47, 44.03], [28.0, 44.25], [28.25, 44.15], [28.32, 44.18], [28.47, 44.53], [29.0, 44.75], [29.25, 44.65], [29.32, 44.68], [29.47, 45.03], [30.0, 45.25], [30.25, 45.15], [30.5, 45.25], [31.03, 45.03], [31.18, 44.68], [31.53, 44.53], [31.75, 44.0], [31.65, 43.75], [31.75, 43.5], [31.65, 43.25], [31.75, 43.0], [31.53, 42.47], [31.0, 42.25], [30.75, 42.35], [30.68, 42.32], [30.54, 42.0], [30.75, 41.5], [30.53, 40.97], [30.0, 40.75], [29.75, 40.85], [29.5, 40.75], [29.25, 40.85], [29.0, 40.75], [28.75, 40.85], [28.5, 40.75], [27.97, 40.97], [27.82, 41.32], [27.75, 41.35], [27.5, 41.25], [26.97, 41.47], [26.82, 41.82], [26.75, 41.85], [26.5, 41.75], [25.97, 41.97]]]]}, "2016-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.97, 41.97], [25.75, 42.5], [25.97, 43.03], [26.5, 43.25], [26.75, 43.15], [26.82, 43.18], [26.97, 43.53], [27.32, 43.68], [27.47, 44.03], [28.0, 44.25], [28.25, 44.15], [28.32, 44.18], [28.47, 44.53], [29.0, 44.75], [29.25, 44.65], [29.32, 44.68], [29.47, 45.03], [30.0, 45.25], [30.25, 45.15], [30.5, 45.25], [31.03, 45.03], [31.18, 44.68], [31.53, 44.53], [31.75, 44.0], [31.65, 43.75], [31.75, 43.5], [31.65, 43.25], [31.75, 43.0], [31.53, 42.47], [31.0, 42.25], [30.75, 42.35], [30.68, 42.32], [30.54, 42.0], [30.75, 41.5], [30.53, 40.97], [30.0, 40.75], [29.75, 40.85], [29.5, 40.75], [29.25, 40.85], [29.0, 40.75], [28.75, 40.85], [28.5, 40.75], [27.97, 40.97], [27.82, 41.32], [27.75, 41.35], [27.5, 41.25], [26.97, 41.47], [26.82, 41.82], [26.75, 41.85], [26.5, 41.75], [25.97, 41.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.10082916197473}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.792870029732136}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.57391585709155, 24.175265942670137, 23.854427009189237]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.550237331798087, 25.68187422159292, 25.914456040726066]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.249025218309322, 4.102905109757832, 4.026679761129255]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.102239274435476, 6.10082916197473, 5.108271633026845]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6481236184616177, 2.0457930432259244, 2.0501385181097906]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.986493580386035, 2.7051607125286816, 2.7983506918848597]}}