{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:16.562089", "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": "2013-Aug-18_to_2013-Aug-23_352.0_36.0"}, "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": 2013080002564}, "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 18 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 23 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 197585.42352545026}, "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": ["Portugal", "Spain"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "N.Atlantic-Ocean"]}, "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 Atlantic Ocean"]}, "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": 36.0}, "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": 352.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "352.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 348.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 357.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.18, 35.68], [-9.15, 35.75], [-9.25, 36.0], [-9.15, 36.25], [-9.25, 36.5], [-9.15, 36.75], [-9.25, 37.0], [-9.03, 37.53], [-8.5, 37.75], [-8.25, 37.65], [-8.18, 37.68], [-8.03, 38.03], [-7.5, 38.25], [-7.25, 38.15], [-7.0, 38.25], [-6.47, 38.03], [-6.32, 37.68], [-6.25, 37.65], [-6.0, 37.75], [-5.75, 37.65], [-5.5, 37.75], [-4.97, 37.53], [-4.75, 37.0], [-4.97, 36.47], [-5.32, 36.32], [-5.47, 35.97], [-5.82, 35.82], [-5.97, 35.47], [-6.5, 35.25], [-6.75, 35.35], [-6.87, 35.3], [-6.75, 35.0], [-6.97, 34.47], [-7.5, 34.25], [-7.75, 34.35], [-7.82, 34.32], [-7.97, 33.97], [-8.5, 33.75], [-8.75, 33.85], [-9.0, 33.75], [-9.25, 33.85], [-9.5, 33.75], [-10.03, 33.97], [-10.25, 34.5], [-10.03, 35.03], [-9.68, 35.18], [-9.53, 35.53], [-9.18, 35.68]]]]}, "2013-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 34.53], [-11.68, 34.68], [-11.53, 35.03], [-11.0, 35.25], [-10.75, 35.15], [-10.68, 35.18], [-10.53, 35.53], [-10.18, 35.68], [-10.03, 36.03], [-9.68, 36.18], [-9.53, 36.53], [-9.18, 36.68], [-9.15, 36.75], [-9.25, 37.0], [-9.03, 37.53], [-8.68, 37.68], [-8.53, 38.03], [-8.18, 38.18], [-8.15, 38.25], [-8.25, 38.5], [-8.15, 38.75], [-8.25, 39.0], [-8.04, 39.5], [-8.25, 40.0], [-8.15, 40.25], [-8.25, 40.5], [-8.03, 41.03], [-7.5, 41.25], [-6.97, 41.03], [-6.82, 40.68], [-6.75, 40.65], [-6.5, 40.75], [-6.25, 40.65], [-6.0, 40.75], [-5.47, 40.53], [-5.32, 40.18], [-4.97, 40.03], [-4.82, 39.68], [-4.75, 39.65], [-4.5, 39.75], [-3.97, 39.53], [-3.8, 39.12], [-3.5, 39.25], [-3.25, 39.15], [-3.0, 39.25], [-2.47, 39.03], [-2.25, 38.5], [-2.47, 37.97], [-3.0, 37.75], [-3.25, 37.85], [-3.32, 37.82], [-3.47, 37.47], [-3.82, 37.32], [-3.97, 36.97], [-4.5, 36.75], [-4.75, 36.85], [-4.82, 36.82], [-4.97, 36.47], [-5.32, 36.32], [-5.47, 35.97], [-5.82, 35.82], [-5.97, 35.47], [-6.5, 35.25], [-6.75, 35.35], [-6.87, 35.3], [-6.75, 35.0], [-6.97, 34.47], [-7.5, 34.25], [-7.75, 34.35], [-7.82, 34.32], [-7.97, 33.97], [-8.5, 33.75], [-8.75, 33.85], [-9.0, 33.75], [-9.25, 33.85], [-9.32, 33.82], [-9.47, 33.47], [-9.82, 33.32], [-9.97, 32.97], [-10.5, 32.75], [-10.75, 32.85], [-11.0, 32.75], [-11.25, 32.85], [-11.5, 32.75], [-12.03, 32.97], [-12.25, 33.5], [-12.15, 33.75], [-12.25, 34.0], [-12.03, 34.53]]]]}, "2013-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 34.53], [-11.68, 34.68], [-11.53, 35.03], [-11.0, 35.25], [-10.75, 35.15], [-10.68, 35.18], [-10.53, 35.53], [-10.18, 35.68], [-10.03, 36.03], [-9.68, 36.18], [-9.53, 36.53], [-9.18, 36.68], [-9.15, 36.75], [-9.25, 37.0], [-9.03, 37.53], [-8.68, 37.68], [-8.53, 38.03], [-8.18, 38.18], [-8.15, 38.25], [-8.25, 38.5], [-8.15, 38.75], [-8.25, 39.0], [-8.04, 39.5], [-8.25, 40.0], [-8.15, 40.25], [-8.25, 40.5], [-8.03, 41.03], [-7.5, 41.25], [-6.97, 41.03], [-6.82, 40.68], [-6.75, 40.65], [-6.5, 40.75], [-6.25, 40.65], [-6.0, 40.75], [-5.47, 40.53], [-5.32, 40.18], [-4.97, 40.03], [-4.82, 39.68], [-4.75, 39.65], [-4.5, 39.75], [-3.97, 39.53], [-3.8, 39.12], [-3.5, 39.25], [-3.25, 39.15], [-3.0, 39.25], [-2.47, 39.03], [-2.25, 38.5], [-2.47, 37.97], [-3.0, 37.75], [-3.25, 37.85], [-3.32, 37.82], [-3.47, 37.47], [-3.82, 37.32], [-3.97, 36.97], [-4.5, 36.75], [-4.75, 36.85], [-4.82, 36.82], [-4.97, 36.47], [-5.32, 36.32], [-5.47, 35.97], [-5.82, 35.82], [-5.97, 35.47], [-6.5, 35.25], [-6.75, 35.35], [-6.87, 35.3], [-6.75, 35.0], [-6.97, 34.47], [-7.5, 34.25], [-7.75, 34.35], [-7.82, 34.32], [-7.97, 33.97], [-8.5, 33.75], [-8.75, 33.85], [-9.0, 33.75], [-9.25, 33.85], [-9.32, 33.82], [-9.47, 33.47], [-9.82, 33.32], [-9.97, 32.97], [-10.5, 32.75], [-10.75, 32.85], [-11.0, 32.75], [-11.25, 32.85], [-11.5, 32.75], [-12.03, 32.97], [-12.25, 33.5], [-12.15, 33.75], [-12.25, 34.0], [-12.03, 34.53]]]]}, "2013-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 34.53], [-11.68, 34.68], [-11.53, 35.03], [-11.0, 35.25], [-10.75, 35.15], [-10.68, 35.18], [-10.53, 35.53], [-10.18, 35.68], [-10.03, 36.03], [-9.68, 36.18], [-9.53, 36.53], [-9.18, 36.68], [-9.15, 36.75], [-9.25, 37.0], [-9.03, 37.53], [-8.68, 37.68], [-8.53, 38.03], [-8.18, 38.18], [-8.15, 38.25], [-8.25, 38.5], [-8.15, 38.75], [-8.25, 39.0], [-8.04, 39.5], [-8.25, 40.0], [-8.15, 40.25], [-8.25, 40.5], [-8.03, 41.03], [-7.5, 41.25], [-6.97, 41.03], [-6.82, 40.68], [-6.75, 40.65], [-6.5, 40.75], [-6.25, 40.65], [-6.0, 40.75], [-5.47, 40.53], [-5.32, 40.18], [-4.97, 40.03], [-4.82, 39.68], [-4.75, 39.65], [-4.5, 39.75], [-3.97, 39.53], [-3.8, 39.12], [-3.5, 39.25], [-3.25, 39.15], [-3.0, 39.25], [-2.47, 39.03], [-2.25, 38.5], [-2.47, 37.97], [-3.0, 37.75], [-3.25, 37.85], [-3.32, 37.82], [-3.47, 37.47], [-3.82, 37.32], [-3.97, 36.97], [-4.5, 36.75], [-4.75, 36.85], [-4.82, 36.82], [-4.97, 36.47], [-5.32, 36.32], [-5.47, 35.97], [-5.82, 35.82], [-5.97, 35.47], [-6.5, 35.25], [-6.75, 35.35], [-7.0, 35.25], [-7.25, 35.35], [-7.32, 35.32], [-7.35, 35.25], [-7.25, 35.0], [-7.47, 34.47], [-7.82, 34.32], [-7.97, 33.97], [-8.5, 33.75], [-8.75, 33.85], [-9.0, 33.75], [-9.25, 33.85], [-9.32, 33.82], [-9.47, 33.47], [-9.82, 33.32], [-9.97, 32.97], [-10.5, 32.75], [-10.75, 32.85], [-11.0, 32.75], [-11.25, 32.85], [-11.5, 32.75], [-12.03, 32.97], [-12.25, 33.5], [-12.15, 33.75], [-12.25, 34.0], [-12.03, 34.53]]]]}, "2013-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-12.03, 32.97], [-12.25, 33.5], [-12.03, 34.03], [-11.5, 34.25], [-11.25, 34.15], [-11.18, 34.18], [-11.03, 34.53], [-10.5, 34.75], [-10.25, 34.65], [-10.0, 34.75], [-9.7, 34.62], [-9.65, 34.75], [-9.75, 35.0], [-9.53, 35.53], [-9.18, 35.68], [-9.03, 36.03], [-8.68, 36.18], [-8.65, 36.25], [-8.68, 36.32], [-9.03, 36.47], [-9.25, 37.0], [-9.03, 37.53], [-8.5, 37.75], [-8.25, 37.65], [-8.18, 37.68], [-8.03, 38.03], [-7.5, 38.25], [-7.25, 38.15], [-7.18, 38.18], [-7.03, 38.53], [-6.5, 38.75], [-6.25, 38.65], [-6.0, 38.75], [-5.47, 38.53], [-5.25, 38.0], [-5.47, 37.47], [-5.82, 37.32], [-5.97, 36.97], [-6.37, 36.8], [-6.25, 36.5], [-6.47, 35.97], [-6.82, 35.82], [-6.97, 35.47], [-7.32, 35.32], [-7.35, 35.25], [-7.25, 35.0], [-7.47, 34.47], [-7.82, 34.32], [-7.97, 33.97], [-8.5, 33.75], [-8.75, 33.85], [-9.0, 33.75], [-9.3, 33.88], [-9.47, 33.47], [-9.82, 33.32], [-9.97, 32.97], [-10.5, 32.75], [-10.75, 32.85], [-11.0, 32.75], [-11.25, 32.85], [-11.5, 32.75], [-12.03, 32.97]]]]}, "2013-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.65, 35.75], [-8.75, 36.0], [-8.65, 36.25], [-8.75, 36.5], [-8.65, 36.75], [-8.75, 37.0], [-8.53, 37.53], [-8.0, 37.75], [-7.7, 37.62], [-7.53, 38.03], [-7.0, 38.25], [-6.75, 38.15], [-6.5, 38.25], [-5.97, 38.03], [-5.75, 37.5], [-5.97, 36.97], [-6.37, 36.8], [-6.25, 36.5], [-6.47, 35.97], [-6.82, 35.82], [-6.97, 35.47], [-7.32, 35.32], [-7.35, 35.25], [-7.25, 35.0], [-7.47, 34.47], [-8.0, 34.25], [-8.53, 34.47], [-8.75, 35.0], [-8.65, 35.25], [-8.75, 35.5], [-8.65, 35.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.818702449451621}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.977949091168041}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.331171284369475, 27.5031808937336, 27.56287235126831, 27.21076749039861, 25.23980789275373, 25.956145053675073]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.303200764231292, 32.347162012040826, 32.31851717103842, 31.64950829134932, 30.992975101724426, 30.678538465963356]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2390134302165987, 3.2747379826873484, 3.306394082459195, 2.92507897597088, 2.115802279774165, 2.589956668287266]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.7205748839550097, 5.813520274126006, 6.818702449451621, 5.370159876607488, 4.3856484993852405, 3.44708899089278]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7935260460265046, 1.9465544243931174, 1.837277371012704, 1.635946888346778, 1.6131083854466797, 1.7524342852919825]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3258033541098126, 2.769900542493362, 2.503019508511707, 2.0724599118877722, 1.9834568621805901, 2.29056151030778]}}