{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:53.708341", "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-Aug-17_to_2018-Aug-23_13.5_48.5"}, "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": 2018080002457}, "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 17 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 23 2018"}, "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": 115807.04200140461}, "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", "Czech Republic", "Germany", "Slovakia"]}, "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": 48.5}, "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": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 50.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.25, 50.0], [10.47, 50.53], [11.0, 50.75], [11.25, 50.65], [11.5, 50.75], [12.03, 50.53], [12.18, 50.18], [12.25, 50.15], [12.5, 50.25], [13.03, 50.03], [13.25, 49.5], [13.07, 49.07], [13.5, 49.25], [14.03, 49.03], [14.25, 48.5], [14.03, 47.97], [13.5, 47.75], [12.97, 47.97], [12.75, 48.5], [12.93, 48.93], [12.5, 48.75], [12.25, 48.85], [12.0, 48.75], [11.47, 48.97], [11.32, 49.32], [11.25, 49.35], [11.0, 49.25], [10.47, 49.47], [10.25, 50.0]]], [[[15.5, 51.25], [15.75, 51.15], [16.0, 51.25], [16.53, 51.03], [16.75, 50.5], [16.65, 50.25], [16.75, 50.0], [16.57, 49.57], [17.0, 49.75], [17.53, 49.53], [17.75, 49.0], [17.53, 48.47], [17.0, 48.25], [16.47, 48.47], [16.25, 49.0], [16.43, 49.43], [16.0, 49.25], [15.75, 49.35], [15.5, 49.25], [14.97, 49.47], [14.75, 50.0], [14.85, 50.25], [14.75, 50.5], [14.97, 51.03], [15.5, 51.25]]]]}, "2018-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.47, 49.47], [10.25, 50.0], [10.47, 50.53], [11.0, 50.75], [11.25, 50.65], [11.5, 50.75], [12.03, 50.53], [12.18, 50.18], [12.25, 50.15], [12.5, 50.25], [13.03, 50.03], [13.25, 49.5], [13.47, 50.03], [14.0, 50.25], [14.25, 50.15], [14.32, 50.18], [14.47, 50.53], [14.82, 50.68], [14.97, 51.03], [15.5, 51.25], [15.75, 51.15], [16.0, 51.25], [16.53, 51.03], [16.68, 50.68], [17.03, 50.53], [17.18, 50.18], [17.25, 50.15], [17.5, 50.25], [18.03, 50.03], [18.2, 49.63], [18.5, 49.75], [18.75, 49.65], [19.0, 49.75], [19.53, 49.53], [19.75, 49.0], [19.53, 48.47], [19.0, 48.25], [18.75, 48.35], [18.5, 48.25], [18.2, 48.38], [18.03, 47.97], [17.5, 47.75], [17.25, 47.85], [17.0, 47.75], [16.75, 47.85], [16.5, 47.75], [16.25, 47.85], [16.0, 47.75], [15.75, 47.85], [15.5, 47.75], [14.97, 47.97], [14.82, 48.32], [14.75, 48.35], [14.5, 48.25], [14.25, 48.35], [14.18, 48.32], [14.03, 47.97], [13.5, 47.75], [12.97, 47.97], [12.75, 48.5], [12.93, 48.93], [12.5, 48.75], [12.25, 48.85], [12.0, 48.75], [11.47, 48.97], [11.32, 49.32], [11.25, 49.35], [11.0, 49.25], [10.47, 49.47]], [[13.07, 49.07], [13.32, 49.18], [13.35, 49.25], [13.25, 49.5], [13.07, 49.07]]]]}, "2018-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.97, 47.47], [8.75, 48.0], [8.97, 48.53], [9.5, 48.75], [9.75, 48.65], [9.82, 48.68], [9.97, 49.03], [10.5, 49.25], [10.75, 49.15], [11.0, 49.25], [10.47, 49.47], [10.25, 50.0], [10.47, 50.53], [11.0, 50.75], [11.25, 50.65], [11.5, 50.75], [12.03, 50.53], [12.18, 50.18], [12.25, 50.15], [12.5, 50.25], [13.03, 50.03], [13.25, 49.5], [13.47, 50.03], [14.0, 50.25], [14.25, 50.15], [14.32, 50.18], [14.47, 50.53], [14.82, 50.68], [14.97, 51.03], [15.5, 51.25], [15.75, 51.15], [16.0, 51.25], [16.53, 51.03], [16.68, 50.68], [17.03, 50.53], [17.18, 50.18], [17.25, 50.15], [17.5, 50.25], [18.03, 50.03], [18.2, 49.63], [18.5, 49.75], [18.75, 49.65], [19.0, 49.75], [19.53, 49.53], [19.75, 49.0], [19.53, 48.47], [19.13, 48.3], [19.25, 48.0], [19.03, 47.47], [18.5, 47.25], [17.97, 47.47], [17.82, 47.82], [17.75, 47.85], [17.5, 47.75], [17.25, 47.85], [17.18, 47.82], [17.03, 47.47], [16.5, 47.25], [15.97, 47.47], [15.82, 47.82], [15.75, 47.85], [15.5, 47.75], [14.97, 47.97], [14.82, 48.32], [14.75, 48.35], [14.68, 48.32], [14.65, 48.25], [14.75, 48.0], [14.53, 47.47], [14.0, 47.25], [13.75, 47.35], [13.5, 47.25], [13.25, 47.35], [13.0, 47.25], [12.75, 47.35], [12.5, 47.25], [12.25, 47.35], [12.0, 47.25], [11.75, 47.35], [11.5, 47.25], [10.97, 47.47], [10.82, 47.82], [10.75, 47.85], [10.68, 47.82], [10.53, 47.47], [10.0, 47.25], [9.75, 47.35], [9.5, 47.25], [8.97, 47.47]], [[11.25, 49.15], [11.32, 49.18], [11.35, 49.25], [11.32, 49.32], [11.25, 49.35], [11.0, 49.25], [11.25, 49.15]], [[13.15, 49.25], [13.18, 49.18], [13.25, 49.15], [13.32, 49.18], [13.35, 49.25], [13.25, 49.5], [13.15, 49.25]]]]}, "2018-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.0, 49.25], [10.25, 49.15], [10.5, 49.25], [10.75, 49.15], [11.0, 49.25], [11.25, 49.15], [11.32, 49.18], [11.35, 49.25], [11.25, 49.5], [11.47, 50.03], [12.0, 50.25], [12.25, 50.15], [12.5, 50.25], [13.03, 50.03], [13.25, 49.5], [13.47, 50.03], [14.0, 50.25], [14.25, 50.15], [14.32, 50.18], [14.47, 50.53], [14.82, 50.68], [14.97, 51.03], [15.5, 51.25], [15.75, 51.15], [16.0, 51.25], [16.53, 51.03], [16.68, 50.68], [17.03, 50.53], [17.18, 50.18], [17.25, 50.15], [17.5, 50.25], [18.03, 50.03], [18.2, 49.63], [18.5, 49.75], [18.75, 49.65], [19.0, 49.75], [19.53, 49.53], [19.75, 49.0], [19.53, 48.47], [19.13, 48.3], [19.25, 48.0], [19.03, 47.47], [18.5, 47.25], [17.97, 47.47], [17.82, 47.82], [17.75, 47.85], [17.5, 47.75], [17.25, 47.85], [17.18, 47.82], [17.03, 47.47], [16.5, 47.25], [15.97, 47.47], [15.82, 47.82], [15.75, 47.85], [15.5, 47.75], [14.97, 47.97], [14.82, 48.32], [14.75, 48.35], [14.68, 48.32], [14.65, 48.25], [14.75, 48.0], [14.53, 47.47], [14.0, 47.25], [13.75, 47.35], [13.5, 47.25], [13.25, 47.35], [13.0, 47.25], [12.75, 47.35], [12.5, 47.25], [12.25, 47.35], [12.0, 47.25], [11.75, 47.35], [11.5, 47.25], [11.25, 47.35], [11.0, 47.25], [10.75, 47.35], [10.5, 47.25], [10.25, 47.35], [10.0, 47.25], [9.75, 47.35], [9.5, 47.25], [8.97, 47.47], [8.75, 48.0], [8.97, 48.53], [9.32, 48.68], [9.47, 49.03], [10.0, 49.25]], [[13.15, 49.25], [13.18, 49.18], [13.25, 49.15], [13.32, 49.18], [13.35, 49.25], [13.25, 49.5], [13.15, 49.25]]]]}, "2018-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.47, 49.53], [16.0, 49.75], [16.53, 49.53], [16.68, 49.18], [16.75, 49.15], [17.0, 49.25], [17.25, 49.15], [17.5, 49.25], [17.75, 49.15], [18.0, 49.25], [18.53, 49.03], [18.68, 48.68], [19.03, 48.53], [19.25, 48.0], [19.03, 47.47], [18.5, 47.25], [17.97, 47.47], [17.82, 47.82], [17.75, 47.85], [17.5, 47.75], [17.25, 47.85], [17.18, 47.82], [17.03, 47.47], [16.5, 47.25], [15.97, 47.47], [15.82, 47.82], [15.75, 47.85], [15.5, 47.75], [14.97, 47.97], [14.75, 48.5], [14.97, 49.03], [15.32, 49.18], [15.47, 49.53]]], [[[10.25, 49.15], [10.5, 49.25], [10.75, 49.15], [11.0, 49.25], [11.25, 49.15], [11.32, 49.18], [11.35, 49.25], [11.25, 49.5], [11.47, 50.03], [12.0, 50.25], [12.25, 50.15], [12.5, 50.25], [13.03, 50.03], [13.25, 49.5], [13.15, 49.25], [13.18, 49.18], [13.25, 49.15], [13.5, 49.25], [13.75, 49.15], [14.0, 49.25], [14.53, 49.03], [14.75, 48.5], [14.65, 48.25], [14.75, 48.0], [14.53, 47.47], [14.0, 47.25], [13.75, 47.35], [13.5, 47.25], [13.25, 47.35], [13.0, 47.25], [12.75, 47.35], [12.5, 47.25], [12.25, 47.35], [12.0, 47.25], [11.75, 47.35], [11.5, 47.25], [11.25, 47.35], [11.0, 47.25], [10.75, 47.35], [10.5, 47.25], [10.25, 47.35], [10.0, 47.25], [9.75, 47.35], [9.5, 47.25], [8.97, 47.47], [8.75, 48.0], [8.97, 48.53], [9.32, 48.68], [9.47, 49.03], [10.0, 49.25], [10.25, 49.15]]]]}, "2018-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.97, 47.47], [17.75, 48.0], [17.97, 48.53], [18.5, 48.75], [19.03, 48.53], [19.25, 48.0], [19.03, 47.47], [18.5, 47.25], [17.97, 47.47]]], [[[16.0, 49.75], [16.53, 49.53], [16.68, 49.18], [16.75, 49.15], [17.0, 49.25], [17.53, 49.03], [17.75, 48.5], [17.53, 47.97], [17.18, 47.82], [17.03, 47.47], [16.5, 47.25], [15.97, 47.47], [15.82, 47.82], [15.75, 47.85], [15.5, 47.75], [14.97, 47.97], [14.75, 48.5], [14.97, 49.03], [15.32, 49.18], [15.47, 49.53], [16.0, 49.75]]], [[[10.5, 49.25], [10.75, 49.15], [11.0, 49.25], [11.25, 49.15], [11.32, 49.18], [11.35, 49.25], [11.25, 49.5], [11.47, 50.03], [12.0, 50.25], [12.25, 50.15], [12.5, 50.25], [13.03, 50.03], [13.25, 49.5], [13.15, 49.25], [13.18, 49.18], [13.25, 49.15], [13.5, 49.25], [13.75, 49.15], [14.0, 49.25], [14.53, 49.03], [14.75, 48.5], [14.65, 48.25], [14.75, 48.0], [14.53, 47.47], [14.0, 47.25], [13.75, 47.35], [13.5, 47.25], [13.25, 47.35], [13.0, 47.25], [12.75, 47.35], [12.5, 47.25], [12.25, 47.35], [12.0, 47.25], [11.75, 47.35], [11.5, 47.25], [11.25, 47.35], [11.0, 47.25], [10.75, 47.35], [10.5, 47.25], [10.25, 47.35], [10.0, 47.25], [9.75, 47.35], [9.5, 47.25], [8.97, 47.47], [8.75, 48.0], [8.97, 48.53], [9.32, 48.68], [9.47, 49.03], [10.0, 49.25], [10.25, 49.15], [10.5, 49.25]]]]}, "2018-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.97, 47.47], [17.75, 48.0], [17.97, 48.53], [18.5, 48.75], [19.03, 48.53], [19.25, 48.0], [19.03, 47.47], [18.5, 47.25], [17.97, 47.47]]], [[[16.0, 49.75], [16.53, 49.53], [16.68, 49.18], [16.75, 49.15], [17.0, 49.25], [17.53, 49.03], [17.75, 48.5], [17.53, 47.97], [17.18, 47.82], [17.03, 47.47], [16.5, 47.25], [15.97, 47.47], [15.82, 47.82], [15.75, 47.85], [15.5, 47.75], [14.97, 47.97], [14.75, 48.5], [14.97, 49.03], [15.32, 49.18], [15.47, 49.53], [16.0, 49.75]]], [[[12.25, 50.15], [12.5, 50.25], [13.03, 50.03], [13.25, 49.5], [13.15, 49.25], [13.18, 49.18], [13.25, 49.15], [13.5, 49.25], [13.75, 49.15], [14.0, 49.25], [14.53, 49.03], [14.75, 48.5], [14.53, 47.97], [14.18, 47.82], [14.03, 47.47], [13.5, 47.25], [12.97, 47.47], [12.82, 47.82], [12.47, 47.97], [12.32, 48.32], [12.25, 48.35], [12.0, 48.25], [11.47, 48.47], [11.25, 49.0], [11.35, 49.25], [11.25, 49.5], [11.47, 50.03], [12.0, 50.25], [12.25, 50.15]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.675966342229856}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.750044985918794}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.616787530073452, 22.87078420777226, 23.633831714753683, 24.057471892251215, 23.60079777379383, 24.04394902689313, 24.300669632740778]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.33813911334647, 25.65031634861674, 26.334854936605893, 27.10370813833623, 26.48998388703575, 26.166971123193377, 27.123668670666007]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.201515253830161, 4.076800751375536, 4.700353673149398, 5.121108158997646, 4.474333760747214, 5.223461597613222, 5.101426220600509]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.1314081214407565, 4.841830170588196, 5.772538190823866, 6.319599084476749, 5.359008957580613, 6.010307897864095, 6.675966342229856]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4900318816885778, 1.4705221515425817, 1.6465547208494404, 1.7755687830837095, 1.5489555530990686, 1.7861447683354827, 1.699164325361756]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.782384546193848, 1.703338541448123, 2.0811757140851883, 2.2279332267645184, 1.8472077559227387, 2.053566221409274, 2.208909565941365]}}