{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:09.226186", "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-Aug-17_to_2016-Aug-24_355.0_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": 2016080002280}, "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 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 24 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 57608.978253429064}, "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": ["Algeria", "Morocco", "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": ["Africa", "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": ["Alboran Sea", "Strait of Gibraltar"]}, "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": 355.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "355.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 354.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.03, 34.47], [-3.25, 35.0], [-3.03, 35.53], [-2.5, 35.75], 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34.75], [-4.25, 34.85], [-4.5, 34.75], [-4.75, 34.85], [-5.0, 34.75], [-5.53, 34.97], [-5.68, 35.32], [-6.03, 35.47], [-6.25, 36.0]]]]}, "2016-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.25, 36.0], [-6.03, 36.53], [-5.68, 36.68], [-5.53, 37.03], [-5.18, 37.18], [-5.03, 37.53], [-4.5, 37.75], [-4.25, 37.65], [-4.0, 37.75], [-3.47, 37.53], [-3.32, 37.18], [-2.97, 37.03], [-2.82, 36.68], [-2.47, 36.53], [-2.32, 36.18], [-2.25, 36.15], [-2.0, 36.25], [-1.75, 36.15], [-1.5, 36.25], [-0.97, 36.03], [-0.75, 35.5], [-0.97, 34.97], [-1.32, 34.82], [-1.47, 34.47], [-2.0, 34.25], [-2.25, 34.35], [-2.5, 34.25], [-2.75, 34.35], [-3.0, 34.25], [-3.53, 34.47], [-3.68, 34.82], [-3.75, 34.85], [-4.0, 34.75], [-4.25, 34.85], [-4.5, 34.75], [-4.75, 34.85], [-5.0, 34.75], [-5.53, 34.97], [-5.68, 35.32], [-6.03, 35.47], [-6.25, 36.0]]]]}, "2016-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-6.25, 36.0], [-6.03, 36.53], [-5.68, 36.68], [-5.53, 37.03], 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3.6740791903930585}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0252418597771342}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.489912361829113, 26.31268944185905, 26.370750603318697, 26.59708432947059, 25.39755610490164, 24.350732228422714, 24.136842175984498, 23.881491842908247]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.542129295588666, 29.979206373163777, 30.217683336212986, 29.96972514619631, 27.712952079767376, 24.350732228422714, 24.136842175984498, 23.881491842908247]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.491518124192832, 2.08521598477757, 2.136455701543058, 2.3558802119461304, 1.382488623834746, 1.5726068246763134, 1.3922949304105146, 1.1986932616611057]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8967240749776124, 3.1315060264848285, 3.37040460334714, 3.6740791903930585, 1.6627149153728737, 1.5726068246763134, 1.3922949304105146, 1.1986932616611057]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.520548355488038, 2.1666925138636772, 2.167673418194101, 2.362150436485526, 1.5090299333088513, 1.7820289351255005, 1.5554592440098243, 1.3030153448558006]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7291571251401308, 3.078833827675521, 3.0773481521639265, 3.188714577157874, 1.871757905645829, 1.7820289351255005, 1.5554592440098243, 1.3030153448558006]}}