{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:41.197405", "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": "2026-Feb-04_to_2026-Feb-08_25.0_46.5"}, "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": 2026020001165}, "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": "February 04 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 08 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 64907.03045129495}, "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": ["Romania", "Slovakia", "Ukraine"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe"]}, "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": []}, "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": 46.5}, "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": 25.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.25, 46.5], [21.47, 47.03], [22.0, 47.25], [22.25, 47.15], [22.5, 47.25], [23.03, 47.03], [23.25, 46.5], [23.03, 45.97], [22.5, 45.75], [22.25, 45.85], [22.0, 45.75], [21.47, 45.97], [21.25, 46.5]]], [[[24.47, 45.97], [24.25, 46.5], [24.47, 47.03], [25.0, 47.25], [25.53, 47.03], [25.75, 46.5], [25.53, 45.97], [25.0, 45.75], [24.47, 45.97]]]]}, "2026-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.47, 47.03], [22.0, 47.25], [22.25, 47.15], [22.32, 47.18], [22.35, 47.25], [22.25, 47.5], [22.35, 47.75], [22.32, 47.82], [21.97, 47.97], [21.82, 48.32], [21.47, 48.47], [21.25, 49.0], [21.47, 49.53], [22.0, 49.75], [22.25, 49.65], [22.5, 49.75], [22.75, 49.65], [23.0, 49.75], [23.53, 49.53], [23.68, 49.18], [23.75, 49.15], [24.0, 49.25], [24.53, 49.03], [24.68, 48.68], [25.03, 48.53], [25.18, 48.18], [25.53, 48.03], [25.75, 47.5], [25.65, 47.25], [25.75, 47.0], [25.65, 46.75], [25.75, 46.5], [25.53, 45.97], [25.18, 45.82], [25.03, 45.47], [24.5, 45.25], [24.25, 45.35], [24.0, 45.25], [23.5, 45.46], [23.0, 45.25], [22.75, 45.35], [22.5, 45.25], [22.25, 45.35], [22.0, 45.25], [21.47, 45.47], [21.25, 46.0], [21.35, 46.25], [21.25, 46.5], [21.47, 47.03]]]]}, "2026-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.47, 47.03], [22.0, 47.25], [22.25, 47.15], [22.32, 47.18], [22.35, 47.25], [22.25, 47.5], [22.35, 47.75], [22.32, 47.82], [21.97, 47.97], [21.82, 48.32], [21.47, 48.47], [21.25, 49.0], [21.47, 49.53], [22.0, 49.75], [22.25, 49.65], [22.5, 49.75], [22.75, 49.65], [23.0, 49.75], [23.53, 49.53], [23.68, 49.18], [23.75, 49.15], [24.0, 49.25], [24.53, 49.03], [24.68, 48.68], [25.03, 48.53], [25.18, 48.18], [25.53, 48.03], [25.75, 47.5], [25.65, 47.25], [25.75, 47.0], [25.65, 46.75], [25.75, 46.5], [25.53, 45.97], [25.18, 45.82], [25.03, 45.47], [24.5, 45.25], [24.25, 45.35], [24.0, 45.25], [23.5, 45.46], [23.0, 45.25], [22.75, 45.35], [22.5, 45.25], [22.25, 45.35], [22.0, 45.25], [21.47, 45.47], [21.25, 46.0], [21.35, 46.25], [21.25, 46.5], [21.47, 47.03]]]]}, 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t2m.", "value": [6.53013636271163, 10.102906799316429, 8.493706003824911, 6.825990295410179, 6.185908253987634]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.677574214730972, 7.790141877303153, 7.551462109487819, 6.520894991195149, 6.230127198350079]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.312789522536207, 10.3595167742468, 9.109482110772717, 7.269388835283451, 6.655275319184568]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3612616192981803, 1.5728436943810633, 1.501151577792148, 1.305437249087833, 1.2521851920797331]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.521743639436998, 2.1371926487984076, 1.6631040158371442, 1.4362569536478893, 1.3319089028984898]}}