{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:33.387360", "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-Mar-19_to_2018-Mar-22_55.5_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": 2018030002374}, "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": "March 19 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 22 2018"}, "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": 130275.83402425046}, "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": ["Kazakhstan", "Turkmenistan", "Uzbekistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe", "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": []}, "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": 55.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "55.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 52.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 58.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 39.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.47, 42.97], [52.25, 43.5], [52.47, 44.03], [53.0, 44.25], [53.25, 44.15], [53.32, 44.18], [53.35, 44.25], [53.25, 44.5], [53.47, 45.03], [54.0, 45.25], [54.25, 45.15], [54.32, 45.18], [54.35, 45.25], [54.25, 45.5], [54.47, 46.03], [55.0, 46.25], [55.25, 46.15], [55.5, 46.25], [55.75, 46.15], [56.0, 46.25], [56.25, 46.15], [56.5, 46.25], [56.75, 46.15], [57.0, 46.25], [57.53, 46.03], [57.68, 45.68], [57.75, 45.65], [58.0, 45.75], [58.53, 45.53], [58.75, 45.0], [58.65, 44.75], [58.75, 44.5], [58.53, 43.97], [58.0, 43.75], [57.75, 43.85], [57.68, 43.82], [57.53, 43.47], [57.18, 43.32], [57.03, 42.97], [56.5, 42.75], [56.25, 42.85], [56.18, 42.82], [56.15, 42.75], [56.25, 42.5], [56.15, 42.25], [56.25, 42.0], [56.15, 41.75], [56.25, 41.5], [56.15, 41.25], [56.25, 41.0], [56.03, 40.47], [55.68, 40.32], [55.53, 39.97], [55.0, 39.75], [54.75, 39.85], [54.68, 39.82], [54.65, 39.75], [54.75, 39.5], [54.53, 38.97], [54.0, 38.75], [53.47, 38.97], [53.25, 39.5], [53.35, 39.75], [53.25, 40.0], [53.35, 40.25], [53.25, 40.5], [53.47, 41.03], [53.82, 41.18], [53.85, 41.25], [53.75, 41.5], [53.85, 41.75], [53.82, 41.82], [53.47, 41.97], [53.25, 42.5], [53.35, 42.75], [53.32, 42.82], [53.25, 42.85], [53.0, 42.75], [52.47, 42.97]]]]}, "2018-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.47, 42.97], [52.25, 43.5], [52.47, 44.03], [53.0, 44.25], [53.25, 44.15], [53.32, 44.18], [53.35, 44.25], [53.25, 44.5], [53.47, 45.03], [54.0, 45.25], [54.25, 45.15], [54.32, 45.18], [54.35, 45.25], [54.25, 45.5], [54.47, 46.03], [55.0, 46.25], [55.25, 46.15], [55.5, 46.25], [55.75, 46.15], [56.0, 46.25], [56.25, 46.15], [56.5, 46.25], [56.75, 46.15], [57.0, 46.25], [57.53, 46.03], [57.68, 45.68], [57.75, 45.65], [58.0, 45.75], [58.53, 45.53], [58.75, 45.0], [58.65, 44.75], [58.75, 44.5], [58.53, 43.97], [58.0, 43.75], [57.75, 43.85], [57.68, 43.82], [57.53, 43.47], [57.18, 43.32], [57.03, 42.97], [56.5, 42.75], [56.25, 42.85], [56.18, 42.82], [56.15, 42.75], [56.25, 42.5], [56.15, 42.25], [56.25, 42.0], [56.15, 41.75], [56.25, 41.5], [56.15, 41.25], [56.25, 41.0], [56.03, 40.47], [55.68, 40.32], [55.53, 39.97], [55.0, 39.75], [54.75, 39.85], [54.68, 39.82], [54.65, 39.75], [54.75, 39.5], [54.53, 38.97], [54.0, 38.75], [53.47, 38.97], [53.25, 39.5], [53.35, 39.75], [53.25, 40.0], [53.35, 40.25], [53.25, 40.5], [53.47, 41.03], [53.82, 41.18], [53.85, 41.25], [53.75, 41.5], [53.85, 41.75], [53.82, 41.82], [53.47, 41.97], [53.25, 42.5], [53.35, 42.75], [53.32, 42.82], [53.25, 42.85], [53.0, 42.75], [52.47, 42.97]]]]}, "2018-03-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.47, 42.97], [52.25, 43.5], [52.47, 44.03], [53.0, 44.25], [53.25, 44.15], [53.32, 44.18], [53.35, 44.25], [53.25, 44.5], [53.47, 45.03], [54.0, 45.25], [54.25, 45.15], [54.32, 45.18], [54.35, 45.25], [54.25, 45.5], [54.47, 46.03], [55.0, 46.25], [55.25, 46.15], [55.5, 46.25], [55.75, 46.15], [56.0, 46.25], [56.25, 46.15], [56.5, 46.25], [56.75, 46.15], [57.0, 46.25], [57.53, 46.03], [57.68, 45.68], [57.75, 45.65], [58.0, 45.75], [58.53, 45.53], [58.75, 45.0], [58.65, 44.75], [58.75, 44.5], [58.53, 43.97], [58.0, 43.75], [57.75, 43.85], [57.68, 43.82], [57.53, 43.47], [57.18, 43.32], [57.03, 42.97], [56.5, 42.75], [56.25, 42.85], [56.18, 42.82], [56.15, 42.75], [56.25, 42.5], [56.15, 42.25], [56.25, 42.0], [56.15, 41.75], [56.25, 41.5], [56.15, 41.25], [56.25, 41.0], [56.03, 40.47], [55.68, 40.32], [55.53, 39.97], [55.0, 39.75], [54.75, 39.85], [54.68, 39.82], [54.65, 39.75], [54.75, 39.5], [54.53, 38.97], [54.0, 38.75], [53.47, 38.97], [53.25, 39.5], [53.35, 39.75], [53.25, 40.0], [53.35, 40.25], [53.25, 40.5], [53.47, 41.03], [53.82, 41.18], [53.85, 41.25], [53.75, 41.5], [53.85, 41.75], [53.82, 41.82], [53.47, 41.97], [53.25, 42.5], [53.35, 42.75], [53.32, 42.82], [53.25, 42.85], [53.0, 42.75], [52.47, 42.97]]]]}, "2018-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.5, 42.75], [56.03, 42.53], [56.25, 42.0], [56.03, 41.47], [55.5, 41.25], [54.97, 41.47], [54.75, 42.0], [54.97, 42.53], [55.5, 42.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.579253517022266}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.2287209750631645}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.570675429668654, 13.833825149091865, 12.838598773018987, 13.007775391065024]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.943712281610601, 18.122463276235635, 17.227206073041373, 13.007775391065024]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.500409322309186, 8.369650675517047, 6.848946238485695, 5.3238089299613875]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.400979163324052, 9.579253517022266, 9.12287369073482, 5.3238089299613875]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.617704088985964, 2.1194527665943292, 1.720874912585316, 1.309904590256865]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1087418547618686, 2.395844314387513, 2.225115578242493, 1.309904590256865]}}