{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:57.042797", "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": "2014-Jul-11_to_2014-Jul-13_1.5_24.0"}, "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": 2014070002219}, "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": "July 11 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 13 2014"}, "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": 71071.68224314196}, "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", "Mali"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 24.0}, "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": 1.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "1.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": -1.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 2.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.0, 22.75], [-0.75, 22.65], [-0.68, 22.68], [-0.53, 23.03], [-0.18, 23.18], [-0.15, 23.25], [-0.25, 23.5], [-0.15, 23.75], [-0.25, 24.0], [-0.15, 24.25], [-0.25, 24.5], [-0.03, 25.03], [0.5, 25.25], [0.75, 25.15], [1.0, 25.25], [1.25, 25.15], [1.5, 25.25], [2.03, 25.03], [2.2, 24.63], [2.5, 24.75], [3.03, 24.53], [3.25, 24.0], [3.15, 23.75], [3.25, 23.5], [3.03, 22.97], [2.68, 22.82], [2.53, 22.47], [2.18, 22.32], [2.03, 21.97], [1.5, 21.75], [1.25, 21.85], [1.0, 21.75], [0.75, 21.85], [0.5, 21.75], [0.25, 21.85], [0.18, 21.82], [0.15, 21.75], [0.25, 21.5], [0.03, 20.97], [-0.5, 20.75], [-0.75, 20.85], [-1.0, 20.75], [-1.25, 20.85], [-1.5, 20.75], [-2.03, 20.97], [-2.25, 21.5], [-2.03, 22.03], [-1.68, 22.18], [-1.53, 22.53], [-1.0, 22.75]]]]}, "2014-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.0, 22.75], [-0.75, 22.65], [-0.68, 22.68], [-0.53, 23.03], [-0.18, 23.18], [-0.15, 23.25], [-0.25, 23.5], [-0.15, 23.75], [-0.25, 24.0], [-0.15, 24.25], [-0.25, 24.5], [-0.03, 25.03], [0.5, 25.25], [0.75, 25.15], [1.0, 25.25], [1.25, 25.15], [1.5, 25.25], [2.03, 25.03], [2.2, 24.63], [2.5, 24.75], [3.03, 24.53], [3.25, 24.0], [3.15, 23.75], [3.25, 23.5], [3.03, 22.97], [2.68, 22.82], [2.53, 22.47], [2.18, 22.32], [2.03, 21.97], [1.5, 21.75], [1.25, 21.85], [1.0, 21.75], [0.75, 21.85], [0.5, 21.75], [0.25, 21.85], [0.18, 21.82], [0.15, 21.75], [0.25, 21.5], [0.03, 20.97], [-0.5, 20.75], [-0.75, 20.85], [-1.0, 20.75], [-1.25, 20.85], [-1.5, 20.75], [-2.03, 20.97], [-2.25, 21.5], [-2.03, 22.03], [-1.68, 22.18], [-1.53, 22.53], [-1.0, 22.75]]]]}, "2014-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.0, 22.75], [-0.75, 22.65], [-0.68, 22.68], [-0.53, 23.03], [-0.18, 23.18], [-0.15, 23.25], [-0.25, 23.5], [-0.15, 23.75], [-0.25, 24.0], [-0.15, 24.25], [-0.25, 24.5], [-0.03, 25.03], [0.5, 25.25], [0.75, 25.15], [1.0, 25.25], [1.25, 25.15], [1.5, 25.25], [2.03, 25.03], [2.2, 24.63], [2.5, 24.75], [3.03, 24.53], [3.25, 24.0], [3.15, 23.75], [3.25, 23.5], [3.03, 22.97], [2.68, 22.82], [2.53, 22.47], [2.18, 22.32], [2.03, 21.97], [1.5, 21.75], [1.25, 21.85], [1.0, 21.75], [0.75, 21.85], [0.5, 21.75], [0.25, 21.85], [0.18, 21.82], [0.15, 21.75], [0.25, 21.5], [0.03, 20.97], [-0.5, 20.75], [-0.75, 20.85], [-1.0, 20.75], [-1.25, 20.85], [-1.5, 20.75], [-2.03, 20.97], [-2.25, 21.5], [-2.03, 22.03], [-1.68, 22.18], [-1.53, 22.53], [-1.0, 22.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.758906988742467}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9740179045634219}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.920724140303605, 39.31960487550327, 39.33711872782766]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.895349866399386, 40.13047258425979, 40.58039568800831]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7322797566478585, 2.107795209195747, 2.0819787478466605]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1235044143683695, 2.61160213647139, 2.758906988742467]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.48565799276617, 1.823599039583036, 1.817785451042715]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.770318886826611, 2.178983644594052, 2.427867821930366]}}