{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:38.822668", "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": "2014-Oct-19_to_2014-Oct-21_6.0_61.0"}, "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": 2014100002466}, "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": "October 19 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 21 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 109016.04229421055}, "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": ["Norway"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": ["North Sea", "Norwegian 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": 61.0}, "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": 6.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "6.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 0.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 9.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 60.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 66.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.47, 65.53], [1.0, 65.75], [1.25, 65.65], [1.32, 65.68], [1.47, 66.03], [2.0, 66.25], [2.25, 66.15], [2.5, 66.25], [2.75, 66.15], [3.0, 66.25], [3.25, 66.15], [3.5, 66.25], [3.75, 66.15], [3.82, 66.18], [3.97, 66.53], [4.5, 66.75], [5.0, 66.54], [5.5, 66.75], [6.03, 66.53], [6.25, 66.0], [6.15, 65.75], [6.25, 65.5], [6.15, 65.25], [6.18, 65.18], [6.53, 65.03], [6.68, 64.68], [6.75, 64.65], [7.0, 64.75], [7.25, 64.65], [7.5, 64.75], [7.75, 64.65], [8.0, 64.75], [8.25, 64.65], [8.5, 64.75], [9.03, 64.53], [9.25, 64.0], [9.03, 63.47], [8.68, 63.32], [8.65, 63.25], [8.68, 63.18], [8.75, 63.15], [9.0, 63.25], [9.53, 63.03], [9.75, 62.5], [9.53, 61.97], [9.18, 61.82], [9.03, 61.47], [8.68, 61.32], [8.53, 60.97], [8.18, 60.82], [8.03, 60.47], [7.68, 60.32], [7.53, 59.97], [7.0, 59.75], [6.75, 59.85], [6.5, 59.75], [6.25, 59.85], [6.0, 59.75], [5.75, 59.85], [5.5, 59.75], [4.97, 59.97], [4.75, 60.5], [4.85, 60.75], [4.75, 61.0], [4.97, 61.53], [5.32, 61.68], [5.35, 61.75], [5.3, 61.88], [5.0, 61.75], [4.47, 61.97], [4.25, 62.5], [4.35, 62.75], [4.25, 63.0], [4.35, 63.25], [4.25, 63.5], [4.35, 63.75], [4.32, 63.82], [4.25, 63.85], [4.0, 63.75], [3.75, 63.85], [3.5, 63.75], [3.25, 63.85], [3.0, 63.75], [2.75, 63.85], [2.5, 63.75], [2.25, 63.85], [2.0, 63.75], [1.75, 63.85], [1.5, 63.75], [1.25, 63.85], [1.0, 63.75], [0.47, 63.97], [0.25, 64.5], [0.35, 64.75], [0.25, 65.0], [0.47, 65.53]]]]}, "2014-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.47, 65.53], [1.0, 65.75], [1.25, 65.65], [1.32, 65.68], [1.47, 66.03], [2.0, 66.25], [2.25, 66.15], [2.5, 66.25], [2.75, 66.15], [3.0, 66.25], [3.25, 66.15], [3.5, 66.25], [3.75, 66.15], [3.82, 66.18], [3.97, 66.53], [4.5, 66.75], [5.0, 66.54], [5.5, 66.75], [6.03, 66.53], [6.25, 66.0], [6.15, 65.75], [6.25, 65.5], [6.15, 65.25], [6.18, 65.18], [6.53, 65.03], [6.68, 64.68], [6.75, 64.65], [7.0, 64.75], [7.25, 64.65], [7.5, 64.75], [7.75, 64.65], [8.0, 64.75], [8.25, 64.65], [8.5, 64.75], [9.03, 64.53], [9.25, 64.0], [9.03, 63.47], [8.68, 63.32], [8.65, 63.25], [8.68, 63.18], [8.75, 63.15], [9.0, 63.25], [9.53, 63.03], [9.75, 62.5], [9.53, 61.97], [9.18, 61.82], [9.03, 61.47], [8.68, 61.32], [8.53, 60.97], [8.18, 60.82], [8.03, 60.47], [7.68, 60.32], [7.53, 59.97], [7.0, 59.75], [6.75, 59.85], [6.5, 59.75], [6.25, 59.85], [6.0, 59.75], [5.75, 59.85], [5.5, 59.75], [4.97, 59.97], [4.75, 60.5], [4.85, 60.75], [4.75, 61.0], [4.97, 61.53], [5.32, 61.68], [5.35, 61.75], [5.3, 61.88], [5.0, 61.75], [4.47, 61.97], [4.25, 62.5], [4.35, 62.75], [4.25, 63.0], [4.35, 63.25], [4.25, 63.5], [4.35, 63.75], [4.32, 63.82], [4.25, 63.85], [4.0, 63.75], [3.75, 63.85], [3.5, 63.75], [3.25, 63.85], [3.0, 63.75], [2.75, 63.85], [2.5, 63.75], [2.25, 63.85], [2.0, 63.75], [1.75, 63.85], [1.5, 63.75], [1.25, 63.85], [1.0, 63.75], [0.47, 63.97], [0.25, 64.5], [0.35, 64.75], [0.25, 65.0], [0.47, 65.53]]]]}, "2014-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.47, 65.53], [1.0, 65.75], [1.25, 65.65], [1.32, 65.68], [1.47, 66.03], [2.0, 66.25], [2.25, 66.15], [2.5, 66.25], [2.75, 66.15], [3.0, 66.25], [3.25, 66.15], [3.5, 66.25], [3.75, 66.15], [3.82, 66.18], [3.97, 66.53], [4.5, 66.75], [5.0, 66.54], [5.5, 66.75], [6.03, 66.53], [6.25, 66.0], [6.15, 65.75], [6.25, 65.5], [6.15, 65.25], [6.18, 65.18], [6.53, 65.03], [6.68, 64.68], [6.75, 64.65], [7.0, 64.75], [7.25, 64.65], [7.5, 64.75], [7.75, 64.65], [8.0, 64.75], [8.25, 64.65], [8.5, 64.75], [9.03, 64.53], [9.25, 64.0], [9.03, 63.47], [8.68, 63.32], [8.65, 63.25], [8.68, 63.18], [8.75, 63.15], [9.0, 63.25], [9.53, 63.03], [9.75, 62.5], [9.53, 61.97], [9.18, 61.82], [9.03, 61.47], [8.68, 61.32], [8.53, 60.97], [8.18, 60.82], [8.03, 60.47], [7.68, 60.32], [7.53, 59.97], [7.0, 59.75], [6.75, 59.85], [6.5, 59.75], [6.25, 59.85], [6.0, 59.75], [5.75, 59.85], [5.5, 59.75], [4.97, 59.97], [4.75, 60.5], [4.85, 60.75], [4.75, 61.0], [4.97, 61.53], [5.32, 61.68], [5.35, 61.75], [5.3, 61.88], [5.0, 61.75], [4.47, 61.97], [4.25, 62.5], [4.35, 62.75], [4.25, 63.0], [4.35, 63.25], [4.25, 63.5], [4.35, 63.75], [4.32, 63.82], [4.25, 63.85], [4.0, 63.75], [3.75, 63.85], [3.5, 63.75], [3.25, 63.85], [3.0, 63.75], [2.75, 63.85], [2.5, 63.75], [2.25, 63.85], [2.0, 63.75], [1.75, 63.85], [1.5, 63.75], [1.25, 63.85], [1.0, 63.75], [0.47, 63.97], [0.25, 64.5], [0.35, 64.75], [0.25, 65.0], [0.47, 65.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.691302515666791}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.5997902282442387}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.592589941022652, 8.902885670808473, 9.149695904820362]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.18233361400911, 11.355744016571009, 11.620565426276528]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.908284798520345, 3.30343254595598, 3.5876533402563937]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.691302515666791, 5.8204709576498885, 6.073804603430972]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.493818265158242, 1.2670785032636687, 1.3944490423670677]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.090731746677397, 1.4760251617687143, 1.585982472663333]}}