{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:31.383335", "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": "2016-Oct-18_to_2016-Oct-20_353.0_38.5"}, "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": 2016100002314}, "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 18 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 20 2016"}, "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": 51082.275936333564}, "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"]}, "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": 38.5}, "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": 353.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "353.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 352.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 356.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.25, 38.5], [-8.03, 39.03], [-7.68, 39.18], [-7.53, 39.53], [-7.0, 39.75], [-6.75, 39.65], [-6.5, 39.75], [-6.25, 39.65], [-6.0, 39.75], [-5.75, 39.65], [-5.5, 39.75], [-4.97, 39.53], [-4.75, 39.0], [-4.85, 38.75], [-4.82, 38.68], [-4.47, 38.53], [-4.32, 38.18], [-4.25, 38.15], [-4.0, 38.25], [-3.47, 38.03], [-3.25, 37.5], [-3.47, 36.97], [-4.0, 36.75], [-4.25, 36.85], [-4.32, 36.82], [-4.47, 36.47], [-5.0, 36.25], [-5.25, 36.35], [-5.5, 36.25], [-6.03, 36.47], [-6.18, 36.82], [-6.53, 36.97], [-6.68, 37.32], [-6.75, 37.35], [-7.0, 37.25], [-7.53, 37.47], [-7.68, 37.82], [-8.03, 37.97], [-8.25, 38.5]]]]}, "2016-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.25, 38.5], [-8.03, 39.03], [-7.68, 39.18], [-7.53, 39.53], [-7.0, 39.75], [-6.75, 39.65], [-6.5, 39.75], [-6.25, 39.65], [-6.0, 39.75], [-5.75, 39.65], [-5.5, 39.75], [-4.97, 39.53], [-4.75, 39.0], [-4.85, 38.75], [-4.82, 38.68], [-4.47, 38.53], [-4.32, 38.18], [-4.25, 38.15], [-4.0, 38.25], [-3.47, 38.03], [-3.25, 37.5], [-3.47, 36.97], [-4.0, 36.75], [-4.25, 36.85], [-4.32, 36.82], [-4.47, 36.47], [-5.0, 36.25], [-5.25, 36.35], [-5.5, 36.25], [-6.03, 36.47], [-6.18, 36.82], [-6.53, 36.97], [-6.68, 37.32], [-6.75, 37.35], [-7.0, 37.25], [-7.53, 37.47], [-7.68, 37.82], [-8.03, 37.97], [-8.25, 38.5]]]]}, "2016-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-8.25, 38.5], [-8.03, 39.03], [-7.68, 39.18], [-7.53, 39.53], [-7.0, 39.75], [-6.75, 39.65], [-6.5, 39.75], [-6.25, 39.65], [-6.0, 39.75], [-5.75, 39.65], [-5.5, 39.75], [-4.97, 39.53], [-4.75, 39.0], [-4.85, 38.75], [-4.82, 38.68], [-4.47, 38.53], [-4.32, 38.18], [-4.25, 38.15], [-4.0, 38.25], [-3.47, 38.03], [-3.25, 37.5], [-3.47, 36.97], [-4.0, 36.75], [-4.25, 36.85], [-4.32, 36.82], [-4.47, 36.47], [-5.0, 36.25], [-5.25, 36.35], [-5.5, 36.25], [-6.03, 36.47], [-6.18, 36.82], [-6.53, 36.97], [-6.68, 37.32], [-6.75, 37.35], [-7.0, 37.25], [-7.53, 37.47], [-7.68, 37.82], [-8.03, 37.97], [-8.25, 38.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.902506537449767}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8333052420307494}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.874851330782008, 21.093555062653934, 20.099985018059215]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.336582796338632, 22.909369137847705, 21.814621158371835]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.885728353454497, 4.250721993731063, 3.3634653789066884]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.609818530775215, 4.902506537449767, 4.341377292459981]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.646285044768244, 1.7843138647010917, 1.375593115068211]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0387204697469956, 1.998386371942165, 1.6692973741828947]}}