{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:28.178317", "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-May-09_to_2012-May-12_11.5_45.0"}, "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": 2012050002143}, "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": "May 09 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 12 2012"}, "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": 51472.92349234471}, "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": ["Austria", "Italy", "Slovenia"]}, "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": ["Adriatic 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": 45.0}, "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": 11.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 10.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.25}, "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": 47.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.5, 47.75], [13.03, 47.53], [13.25, 47.0], [13.03, 46.47], [12.5, 46.25], [11.97, 46.47], [11.75, 47.0], [11.97, 47.53], [12.5, 47.75]]]]}, "2012-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.35, 45.75], [10.25, 46.0], [10.35, 46.25], [10.25, 46.5], [10.47, 47.03], [11.0, 47.25], [11.25, 47.15], [11.5, 47.25], [11.75, 47.15], [11.82, 47.18], [11.97, 47.53], [12.5, 47.75], [13.03, 47.53], [13.18, 47.18], [13.25, 47.15], [13.5, 47.25], [13.75, 47.15], [13.82, 47.18], [13.97, 47.53], [14.5, 47.75], [15.03, 47.53], [15.18, 47.18], [15.53, 47.03], [15.75, 46.5], [15.53, 45.97], [15.0, 45.75], [14.75, 45.85], [14.5, 45.75], [14.25, 45.85], [14.18, 45.82], [14.03, 45.47], [13.68, 45.32], [13.53, 44.97], [13.0, 44.75], [12.7, 44.88], [12.53, 44.47], [12.0, 44.25], [11.75, 44.35], [11.5, 44.25], [11.25, 44.35], [11.0, 44.25], [10.47, 44.47], [10.25, 45.0], [10.35, 45.25], [10.25, 45.5], [10.35, 45.75]]]]}, "2012-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.35, 45.75], [10.25, 46.0], [10.35, 46.25], [10.25, 46.5], [10.47, 47.03], [11.0, 47.25], [11.25, 47.15], [11.5, 47.25], [11.75, 47.15], [11.82, 47.18], [11.97, 47.53], [12.5, 47.75], [13.03, 47.53], [13.18, 47.18], [13.25, 47.15], [13.5, 47.25], [13.75, 47.15], [13.82, 47.18], [13.97, 47.53], [14.5, 47.75], [15.03, 47.53], [15.18, 47.18], [15.53, 47.03], [15.75, 46.5], [15.53, 45.97], [15.0, 45.75], [14.75, 45.85], [14.5, 45.75], [14.25, 45.85], [14.18, 45.82], [14.03, 45.47], [13.68, 45.32], [13.53, 44.97], [13.0, 44.75], [12.7, 44.88], [12.53, 44.47], [12.0, 44.25], [11.75, 44.35], [11.5, 44.25], [11.25, 44.35], [11.0, 44.25], [10.47, 44.47], [10.25, 45.0], [10.35, 45.25], [10.25, 45.5], [10.35, 45.75]]]]}, "2012-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.35, 45.75], [10.25, 46.0], [10.35, 46.25], [10.25, 46.5], [10.47, 47.03], [11.0, 47.25], [11.25, 47.15], [11.5, 47.25], [11.75, 47.15], [12.0, 47.25], [12.25, 47.15], [12.5, 47.25], [12.75, 47.15], [13.0, 47.25], [13.25, 47.15], [13.5, 47.25], [13.75, 47.15], [13.82, 47.18], [13.97, 47.53], [14.5, 47.75], [15.03, 47.53], [15.18, 47.18], [15.53, 47.03], [15.75, 46.5], [15.53, 45.97], [15.0, 45.75], [14.75, 45.85], [14.5, 45.75], [14.25, 45.85], [14.18, 45.82], [14.03, 45.47], [13.68, 45.32], [13.53, 44.97], [13.0, 44.75], [12.7, 44.88], [12.53, 44.47], [12.0, 44.25], [11.75, 44.35], [11.5, 44.25], [11.25, 44.35], [11.0, 44.25], [10.47, 44.47], [10.25, 45.0], [10.35, 45.25], [10.25, 45.5], [10.35, 45.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.878616004842456}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.127866349331255}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.410607343915331, 17.549464193346637, 19.309269594270972, 18.85772142633283]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.410607343915331, 22.981690145577602, 25.440702224239487, 26.547599021758344]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.124330514141832, 4.296540158317626, 6.052410393344161, 5.117705799905463]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.124330514141832, 5.988692555266539, 7.878616004842456, 7.632645749402457]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.139082795527296, 1.5302490194461178, 2.1684935845613853, 1.8576988785307122]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.139082795527296, 1.8570959447423308, 2.4670112053923505, 2.7479126816444497]}}