{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:33.614736", "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": "2015-Mar-01_to_2015-Mar-04_358.5_38.0"}, "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": 2015030001288}, "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": "March 01 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 52415.776149130834}, "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": ["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": 38.0}, "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": 358.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 357.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 359.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 41.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.03, 41.03], [-2.5, 41.25], [-2.25, 41.15], [-2.18, 41.18], [-2.03, 41.53], [-1.5, 41.75], [-0.97, 41.53], [-0.82, 41.18], [-0.75, 41.15], [-0.5, 41.25], [0.03, 41.03], [0.25, 40.5], [0.15, 40.25], [0.25, 40.0], [0.03, 39.47], [-0.32, 39.32], [-0.35, 39.25], [-0.32, 39.18], [0.03, 39.03], [0.25, 38.5], [0.03, 37.97], [-0.32, 37.82], [-0.47, 37.47], [-1.0, 37.25], [-1.25, 37.35], [-1.5, 37.25], [-2.03, 37.47], [-2.25, 38.0], [-2.15, 38.25], [-2.18, 38.32], [-2.53, 38.47], [-2.75, 39.0], [-2.65, 39.25], [-2.68, 39.32], [-3.03, 39.47], [-3.25, 40.0], [-3.15, 40.25], [-3.25, 40.5], [-3.03, 41.03]]]]}, "2015-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.03, 41.03], [-2.5, 41.25], [-2.25, 41.15], [-2.18, 41.18], [-2.03, 41.53], [-1.5, 41.75], [-0.97, 41.53], [-0.82, 41.18], [-0.75, 41.15], [-0.5, 41.25], [0.03, 41.03], [0.25, 40.5], [0.15, 40.25], [0.25, 40.0], [0.03, 39.47], [-0.32, 39.32], [-0.35, 39.25], [-0.32, 39.18], [0.03, 39.03], [0.25, 38.5], [0.03, 37.97], [-0.32, 37.82], [-0.47, 37.47], [-1.0, 37.25], [-1.25, 37.35], [-1.5, 37.25], [-2.03, 37.47], [-2.25, 38.0], [-2.15, 38.25], [-2.18, 38.32], [-2.53, 38.47], [-2.75, 39.0], [-2.65, 39.25], [-2.68, 39.32], [-3.03, 39.47], [-3.25, 40.0], [-3.15, 40.25], [-3.25, 40.5], [-3.03, 41.03]]]]}, "2015-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.03, 41.03], [-2.5, 41.25], [-2.25, 41.15], [-2.18, 41.18], [-2.03, 41.53], [-1.5, 41.75], [-0.97, 41.53], [-0.82, 41.18], [-0.75, 41.15], [-0.5, 41.25], [0.03, 41.03], [0.25, 40.5], [0.15, 40.25], [0.25, 40.0], [0.03, 39.47], [-0.32, 39.32], [-0.35, 39.25], [-0.32, 39.18], [0.03, 39.03], [0.25, 38.5], [0.03, 37.97], [-0.32, 37.82], [-0.47, 37.47], [-1.0, 37.25], [-1.25, 37.35], [-1.5, 37.25], [-2.03, 37.47], [-2.25, 38.0], [-2.15, 38.25], [-2.18, 38.32], [-2.53, 38.47], [-2.75, 39.0], [-2.65, 39.25], [-2.68, 39.32], [-3.03, 39.47], [-3.25, 40.0], [-3.15, 40.25], [-3.25, 40.5], [-3.03, 41.03]]]]}, "2015-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.5, 38.75], [-0.97, 38.53], [-0.75, 38.0], [-0.97, 37.47], [-1.5, 37.25], [-2.03, 37.47], [-2.25, 38.0], [-2.03, 38.53], [-1.5, 38.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.682119610475581}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.354392906877007}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.794687116598595, 14.366005840611876, 13.328599037497952, 15.726035988839328]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.770778358650034, 19.501891632526053, 17.733485957230926, 15.726035988839328]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.837749533636906, 6.27764363044605, 5.024163825775113, 3.674070983881961]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.0437443904053225, 8.682119610475581, 5.740202360520527, 3.674070983881961]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4692563889985224, 1.9304336763035268, 1.5674661303462072, 1.294091373570195]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8052757377006767, 2.558750955854006, 1.888138364981436, 1.294091373570195]}}