{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:00.406554", "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": "2018-Jan-18_to_2018-Jan-26_42.5_42.0"}, "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": 2018010002190}, "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 18 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 26 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 66320.66993041296}, "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": ["Georgia", "Russian Federation", "Turkiye"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "W.C.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": ["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": 42.0}, "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": 42.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 40.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 44.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.75, 41.0], [40.97, 41.53], [41.32, 41.68], [41.35, 41.75], [41.25, 42.0], [41.47, 42.53], [42.0, 42.75], [42.25, 42.65], [42.5, 42.75], [43.03, 42.53], [43.25, 42.0], [43.03, 41.47], [42.68, 41.32], [42.65, 41.25], [42.75, 41.0], [42.65, 40.75], [42.75, 40.5], [42.53, 39.97], [42.0, 39.75], [41.47, 39.97], [41.32, 40.32], [40.97, 40.47], [40.75, 41.0]]]]}, "2018-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.75, 41.0], [40.97, 41.53], [41.32, 41.68], [41.35, 41.75], [41.25, 42.0], [41.46, 42.5], [41.25, 43.0], [41.47, 43.53], [42.0, 43.75], [42.53, 43.53], [42.7, 43.13], [43.0, 43.25], [43.53, 43.03], [43.68, 42.68], [44.03, 42.53], [44.25, 42.0], [44.03, 41.47], [43.5, 41.25], [43.25, 41.35], [43.0, 41.25], [42.75, 41.35], [42.68, 41.32], [42.65, 41.25], [42.75, 41.0], [42.65, 40.75], [42.75, 40.5], [42.53, 39.97], [42.0, 39.75], [41.47, 39.97], [41.32, 40.32], [40.97, 40.47], [40.75, 41.0]]]]}, "2018-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.25, 44.0], [40.47, 44.53], [41.0, 44.75], [41.53, 44.53], [41.75, 44.0], [41.63, 43.7], [41.75, 43.65], [42.0, 43.75], [42.53, 43.53], [42.7, 43.13], [43.0, 43.25], [43.53, 43.03], [43.68, 42.68], [44.03, 42.53], [44.25, 42.0], [44.03, 41.47], [43.5, 41.25], [43.25, 41.35], [43.0, 41.25], [42.75, 41.35], [42.68, 41.32], [42.65, 41.25], [42.75, 41.0], [42.65, 40.75], [42.75, 40.5], [42.53, 39.97], [42.0, 39.75], [41.47, 39.97], [41.32, 40.32], [40.97, 40.47], [40.75, 41.0], [40.97, 41.53], [41.32, 41.68], [41.35, 41.75], [41.25, 42.0], [41.38, 42.3], [40.97, 42.47], [40.75, 43.0], [40.88, 43.3], [40.47, 43.47], [40.25, 44.0]]]]}, "2018-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 43.03], [39.38, 43.2], [39.25, 43.5], [39.47, 44.03], [40.0, 44.25], [40.25, 44.15], [40.32, 44.18], [40.47, 44.53], [41.0, 44.75], [41.53, 44.53], [41.75, 44.0], [41.63, 43.7], [41.75, 43.65], [42.0, 43.75], [42.53, 43.53], [42.7, 43.13], [43.0, 43.25], [43.25, 43.15], [43.5, 43.25], [44.03, 43.03], [44.25, 42.5], [44.15, 42.25], [44.25, 42.0], [44.03, 41.47], [43.5, 41.25], [43.25, 41.35], [43.0, 41.25], [42.75, 41.35], [42.68, 41.32], [42.53, 40.97], [42.18, 40.82], [42.03, 40.47], [41.5, 40.25], [40.97, 40.47], [40.75, 41.0], [40.88, 41.3], [40.75, 41.35], [40.5, 41.25], [40.25, 41.35], [40.0, 41.25], [39.75, 41.35], [39.5, 41.25], [38.97, 41.47], [38.75, 42.0], [38.85, 42.25], [38.75, 42.5], [38.97, 43.03]]]]}, "2018-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 43.03], [39.38, 43.2], [39.25, 43.5], [39.47, 44.03], [40.0, 44.25], [40.25, 44.15], [40.32, 44.18], [40.47, 44.53], [41.0, 44.75], [41.53, 44.53], [41.75, 44.0], [41.63, 43.7], [41.75, 43.65], [42.0, 43.75], [42.53, 43.53], [42.7, 43.13], [43.0, 43.25], [43.25, 43.15], [43.5, 43.25], [44.03, 43.03], [44.25, 42.5], [44.15, 42.25], [44.25, 42.0], [44.03, 41.47], [43.5, 41.25], [43.25, 41.35], [43.0, 41.25], [42.75, 41.35], [42.68, 41.32], [42.53, 40.97], [42.18, 40.82], [42.03, 40.47], [41.5, 40.25], [40.97, 40.47], [40.75, 41.0], [40.88, 41.3], [40.75, 41.35], [40.5, 41.25], [40.25, 41.35], [40.0, 41.25], [39.75, 41.35], [39.5, 41.25], [38.97, 41.47], [38.75, 42.0], [38.85, 42.25], [38.75, 42.5], [38.97, 43.03]]]]}, "2018-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 43.03], [39.38, 43.2], [39.25, 43.5], [39.47, 44.03], [40.0, 44.25], [40.25, 44.15], [40.32, 44.18], [40.47, 44.53], [41.0, 44.75], [41.53, 44.53], [41.75, 44.0], [41.63, 43.7], [42.03, 43.53], [42.18, 43.18], [42.5, 43.04], [43.0, 43.25], [43.25, 43.15], [43.5, 43.25], [44.03, 43.03], [44.25, 42.5], [44.15, 42.25], [44.25, 42.0], [44.03, 41.47], [43.5, 41.25], [43.25, 41.35], [43.0, 41.25], [42.75, 41.35], [42.68, 41.32], [42.53, 40.97], [42.18, 40.82], [42.03, 40.47], [41.5, 40.25], [40.97, 40.47], [40.75, 41.0], [40.88, 41.3], [40.75, 41.35], [40.5, 41.25], [40.25, 41.35], [40.0, 41.25], [39.75, 41.35], [39.5, 41.25], [38.97, 41.47], [38.75, 42.0], [38.85, 42.25], [38.75, 42.5], [38.97, 43.03]]]]}, "2018-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, 41.75], [43.03, 41.53], [43.25, 41.0], [43.03, 40.47], [42.5, 40.25], [41.97, 40.47], [41.75, 41.0], [41.97, 41.53], [42.5, 41.75]]]]}, "2018-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, 41.75], [43.03, 41.53], [43.25, 41.0], [43.03, 40.47], [42.5, 40.25], [41.97, 40.47], [41.75, 41.0], [41.97, 41.53], [42.5, 41.75]]]]}, "2018-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, 41.75], [43.03, 41.53], [43.25, 41.0], [43.03, 40.47], [42.5, 40.25], [41.97, 40.47], [41.75, 41.0], [41.97, 41.53], [42.5, 41.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.527333112785755}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.7817592210605495}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [1.5145466826933784, 1.621765374888298, 1.0941643252435256, 6.537634607031578, 6.893272455679494, 7.134675535184272, -4.989367790905703, -3.945740229091882, -4.083716209778402]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.034522940432623, 7.42956715029942, 7.906005819823065, 11.548695086379723, 11.999773044103165, 11.092133731510387, -4.989367790905703, -3.945740229091882, -4.083716209778402]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.277512316937115, 5.420886346729361, 4.745857503904408, 4.4376919769443885, 4.814350678047825, 4.675245860122456, 4.9001857900152, 5.763369464352991, 5.507957671542954]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.305388488295705, 8.527333112785755, 5.618066587911244, 5.987121807855772, 6.656566581286938, 7.104965375691563, 4.9001857900152, 5.763369464352991, 5.507957671542954]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5001444627948997, 1.6172699614564174, 1.4542640649889478, 1.583680028617516, 1.6843992306825588, 1.5472706211312555, 1.3275923749786083, 1.5419115096543148, 1.4347978638952466]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7455455151486616, 2.1104632665393317, 1.618056660373831, 1.7828721984889389, 1.8973947113848193, 1.991644511657221, 1.3275923749786083, 1.5419115096543148, 1.4347978638952466]}}