{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:22.826297", "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": "2012-Aug-31_to_2012-Sep-06_19.5_45.5"}, "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": 2012080003180}, "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": "August 31 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 06 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 237523.07873760216}, "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": ["Bosnia and Herzegovina", "Croatia", "Hungary", "Poland", "Romania", "Serbia", "Slovakia", "Slovenia", "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": 45.5}, "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": 19.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "19.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, 44.97], [18.75, 45.5], [18.97, 46.03], [19.5, 46.25], [19.75, 46.15], [19.88, 46.2], [19.75, 46.5], [19.97, 47.03], [20.5, 47.25], [21.03, 47.03], [21.25, 46.5], [21.03, 45.97], [20.63, 45.8], [20.75, 45.5], [20.53, 44.97], [20.0, 44.75], [19.75, 44.85], [19.5, 44.75], [18.97, 44.97]]]]}, "2012-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.97, 44.97], [18.75, 45.5], [18.97, 46.03], [19.5, 46.25], [19.75, 46.15], [19.88, 46.2], [19.75, 46.5], [19.97, 47.03], [20.5, 47.25], [20.75, 47.15], [20.82, 47.18], [20.96, 47.5], [20.75, 48.0], [20.97, 48.53], [21.32, 48.68], [21.47, 49.03], [22.0, 49.25], [22.25, 49.15], [22.5, 49.25], [23.03, 49.03], [23.18, 48.68], [23.25, 48.65], [23.5, 48.75], [24.03, 48.53], [24.18, 48.18], [24.25, 48.15], [24.5, 48.25], [24.75, 48.15], [25.0, 48.25], [25.53, 48.03], [25.75, 47.5], [25.53, 46.97], [25.18, 46.82], [25.03, 46.47], [24.68, 46.32], [24.65, 46.25], [24.75, 46.0], [24.53, 45.47], [24.0, 45.25], [23.75, 45.35], [23.5, 45.25], [22.97, 45.47], [22.82, 45.82], [22.75, 45.85], [22.5, 45.75], [22.0, 45.96], [21.5, 45.75], [21.25, 45.85], [21.0, 45.75], [20.75, 45.85], [20.63, 45.8], [20.75, 45.5], [20.53, 44.97], [20.0, 44.75], [19.75, 44.85], [19.5, 44.75], [18.97, 44.97]]]]}, "2012-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.75, 45.5], [18.97, 46.03], [19.5, 46.25], [19.75, 46.15], [19.88, 46.2], [19.75, 46.5], [19.97, 47.03], [20.5, 47.25], [20.75, 47.15], [20.82, 47.18], [20.96, 47.5], [20.75, 48.0], [20.97, 48.53], [21.32, 48.68], [21.47, 49.03], [22.0, 49.25], [22.25, 49.15], [22.5, 49.25], [22.75, 49.15], [23.0, 49.25], [23.25, 49.15], [23.5, 49.25], [24.03, 49.03], [24.18, 48.68], [24.25, 48.65], [24.5, 48.75], [25.03, 48.53], [25.18, 48.18], [25.53, 48.03], [25.68, 47.68], [26.03, 47.53], [26.25, 47.0], [26.03, 46.47], [25.5, 46.25], [25.25, 46.35], [25.0, 46.25], [24.75, 46.35], [24.68, 46.32], [24.65, 46.25], [24.75, 46.0], [24.53, 45.47], [24.0, 45.25], [23.75, 45.35], [23.5, 45.25], [23.25, 45.35], [23.0, 45.25], [22.47, 45.47], [22.32, 45.82], [22.0, 45.96], [21.5, 45.75], [21.25, 45.85], [21.0, 45.75], [20.75, 45.85], [20.63, 45.8], [20.75, 45.5], [20.53, 44.97], [20.0, 44.75], [19.75, 44.85], [19.5, 44.75], [18.97, 44.97], [18.75, 45.5]]], [[[18.5, 49.75], [18.75, 49.65], [19.0, 49.75], [19.25, 49.65], [19.5, 49.75], [20.03, 49.53], [20.18, 49.18], [20.53, 49.03], [20.75, 48.5], [20.53, 47.97], [20.0, 47.75], [19.7, 47.88], [19.65, 47.75], [19.75, 47.5], [19.53, 46.97], [19.0, 46.75], [18.47, 46.97], [18.25, 47.5], [18.35, 47.75], [18.32, 47.82], [17.97, 47.97], [17.75, 48.5], [17.85, 48.75], [17.75, 49.0], [17.97, 49.53], [18.5, 49.75]]]]}, "2012-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.25, 46.0], [15.47, 46.53], [15.82, 46.68], [15.97, 47.03], [16.5, 47.25], [16.75, 47.15], [17.0, 47.25], [17.25, 47.15], [17.32, 47.18], [17.35, 47.25], [17.25, 47.5], [17.35, 47.75], [17.25, 48.0], [17.35, 48.25], [17.25, 48.5], [17.47, 49.03], [17.82, 49.18], [17.97, 49.53], [18.5, 49.75], [18.75, 49.65], [19.0, 49.75], [19.25, 49.65], [19.32, 49.68], [19.47, 50.03], [20.0, 50.25], [20.53, 50.03], [20.75, 49.5], [20.65, 49.25], [20.68, 49.18], [20.75, 49.15], [20.82, 49.18], [20.97, 49.53], [21.5, 49.75], [21.75, 49.65], [22.0, 49.75], [22.25, 49.65], [22.5, 49.75], [23.0, 49.54], [23.5, 49.75], [24.03, 49.53], [24.25, 49.0], [24.15, 48.75], [24.18, 48.68], [24.25, 48.65], [24.5, 48.75], [25.03, 48.53], [25.18, 48.18], [25.25, 48.15], [25.5, 48.25], [26.03, 48.03], [26.18, 47.68], [26.53, 47.53], [26.75, 47.0], [26.65, 46.75], [26.75, 46.5], [26.53, 45.97], [26.0, 45.75], [25.75, 45.85], [25.5, 45.75], [25.25, 45.85], [25.18, 45.82], [25.03, 45.47], [24.5, 45.25], [24.25, 45.35], [24.0, 45.25], [23.75, 45.35], [23.5, 45.25], [23.25, 45.35], [23.0, 45.25], [22.5, 45.46], [22.0, 45.25], [21.47, 45.47], [21.32, 45.82], [21.25, 45.85], [21.0, 45.75], [20.75, 45.85], [20.68, 45.82], [20.53, 45.47], [20.18, 45.32], [20.03, 44.97], [19.5, 44.75], [19.25, 44.85], [19.0, 44.75], [18.75, 44.85], [18.68, 44.82], [18.53, 44.47], [18.0, 44.25], [17.75, 44.35], [17.5, 44.25], [17.25, 44.35], [17.0, 44.25], [16.47, 44.47], [16.32, 44.82], [15.97, 44.97], [15.82, 45.32], [15.47, 45.47], [15.25, 46.0]]]]}, "2012-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.25, 46.0], [15.47, 46.53], [15.82, 46.68], [15.97, 47.03], [16.5, 47.25], [16.75, 47.15], [17.0, 47.25], [17.25, 47.15], [17.32, 47.18], [17.35, 47.25], [17.25, 47.5], [17.35, 47.75], [17.25, 48.0], [17.35, 48.25], [17.25, 48.5], [17.47, 49.03], [17.82, 49.18], [17.97, 49.53], [18.5, 49.75], [18.75, 49.65], [19.0, 49.75], [19.25, 49.65], [19.32, 49.68], [19.47, 50.03], [20.0, 50.25], [20.53, 50.03], [20.75, 49.5], [20.65, 49.25], [20.68, 49.18], [20.75, 49.15], [20.82, 49.18], [20.97, 49.53], [21.5, 49.75], [21.75, 49.65], [22.0, 49.75], [22.25, 49.65], [22.5, 49.75], [23.0, 49.54], [23.5, 49.75], [24.03, 49.53], [24.25, 49.0], [24.15, 48.75], [24.18, 48.68], [24.25, 48.65], [24.5, 48.75], [25.03, 48.53], [25.18, 48.18], [25.25, 48.15], [25.5, 48.25], [26.03, 48.03], [26.18, 47.68], [26.53, 47.53], [26.75, 47.0], [26.65, 46.75], [26.75, 46.5], [26.53, 45.97], [26.0, 45.75], [25.75, 45.85], [25.63, 45.8], [25.75, 45.5], [25.53, 44.97], [25.0, 44.75], [24.47, 44.97], [24.32, 45.32], [24.0, 45.46], [23.5, 45.25], [23.25, 45.35], [23.0, 45.25], [22.5, 45.46], [22.0, 45.25], [21.47, 45.47], [21.32, 45.82], [21.25, 45.85], [21.0, 45.75], [20.75, 45.85], [20.68, 45.82], [20.53, 45.47], [20.18, 45.32], [20.03, 44.97], [19.5, 44.75], [19.25, 44.85], [19.0, 44.75], [18.75, 44.85], [18.68, 44.82], [18.53, 44.47], [18.0, 44.25], [17.75, 44.35], [17.5, 44.25], [17.25, 44.35], [17.0, 44.25], [16.47, 44.47], [16.32, 44.82], [15.97, 44.97], [15.82, 45.32], [15.47, 45.47], [15.25, 46.0]]]]}, "2012-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.25, 46.0], [15.47, 46.53], [15.82, 46.68], [15.97, 47.03], [16.5, 47.25], [16.75, 47.15], [17.0, 47.25], [17.25, 47.15], [17.32, 47.18], [17.35, 47.25], [17.25, 47.5], [17.35, 47.75], [17.25, 48.0], [17.35, 48.25], [17.25, 48.5], [17.47, 49.03], [17.82, 49.18], [17.97, 49.53], [18.5, 49.75], [18.75, 49.65], [19.0, 49.75], [19.25, 49.65], [19.32, 49.68], [19.47, 50.03], [20.0, 50.25], [20.53, 50.03], [20.75, 49.5], [20.65, 49.25], [20.68, 49.18], [20.75, 49.15], [20.82, 49.18], [20.97, 49.53], [21.5, 49.75], [21.75, 49.65], [22.0, 49.75], [22.25, 49.65], [22.5, 49.75], [23.0, 49.54], [23.5, 49.75], [24.03, 49.53], [24.25, 49.0], [24.15, 48.75], [24.18, 48.68], [24.25, 48.65], [24.5, 48.75], [25.03, 48.53], [25.18, 48.18], [25.25, 48.15], [25.5, 48.25], [26.03, 48.03], [26.18, 47.68], [26.53, 47.53], [26.75, 47.0], [26.65, 46.75], [26.75, 46.5], [26.53, 45.97], [26.0, 45.75], [25.75, 45.85], [25.63, 45.8], [25.75, 45.5], [25.53, 44.97], [25.0, 44.75], [24.47, 44.97], [24.32, 45.32], [24.0, 45.46], [23.5, 45.25], [23.25, 45.35], [23.0, 45.25], [22.5, 45.46], [22.0, 45.25], [21.47, 45.47], [21.32, 45.82], [21.25, 45.85], [21.0, 45.75], [20.75, 45.85], [20.68, 45.82], [20.53, 45.47], [20.18, 45.32], [20.03, 44.97], [19.5, 44.75], [19.25, 44.85], [19.0, 44.75], [18.75, 44.85], [18.68, 44.82], [18.53, 44.47], [18.0, 44.25], [17.75, 44.35], [17.5, 44.25], [17.25, 44.35], [17.0, 44.25], [16.47, 44.47], [16.32, 44.82], [15.97, 44.97], [15.82, 45.32], [15.47, 45.47], [15.25, 46.0]]]]}, "2012-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.97, 47.03], [25.5, 47.25], [25.75, 47.15], [26.0, 47.25], [26.53, 47.03], [26.75, 46.5], [26.53, 45.97], [26.0, 45.75], [25.75, 45.85], [25.63, 45.8], [25.75, 45.5], [25.53, 44.97], [25.0, 44.75], [24.47, 44.97], [24.25, 45.5], [24.47, 46.03], [24.88, 46.2], [24.75, 46.5], [24.97, 47.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.854127567698811}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.2649304801599595}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.649412752546482, 23.302751251756717, 21.701384429754853, 22.35614035825529, 21.9154544608802, 21.718219443624434, 16.68856579597201]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.5620282425387, 26.429223457133844, 25.42864312300634, 26.074560703367695, 25.25844716503758, 25.176714184745833, 17.30253615983048]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.491934770932971, 5.453596319916253, 5.033134910113425, 5.398029319519529, 5.262957121062329, 5.203354261265191, 4.069255248700301]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.291574715664865, 6.7740951099474955, 6.212643973781326, 6.854127567698811, 6.397521355166873, 6.587527310699215, 4.278412679686426]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5184340116313237, 1.5605140460024765, 1.516122544297848, 1.6920141838284324, 1.665883802669342, 1.6698319290737456, 1.3504844340700002]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7153813762844263, 1.8383227917401226, 1.8140477946992906, 2.1040024371705703, 1.9849363568895024, 2.0122772380802156, 1.4128770590153283]}}