{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:41.123518", "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": "2018-Jul-20_to_2018-Jul-22_293.0_10.5"}, "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": 2018070002703}, "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 20 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 22 2018"}, "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": 57926.808712489306}, "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": ["Venezuela"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": 10.5}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 289.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, 10.0], [-70.03, 10.53], [-69.5, 10.75], [-69.25, 10.65], [-69.0, 10.75], [-68.75, 10.65], [-68.5, 10.75], [-68.25, 10.65], [-68.0, 10.75], [-67.75, 10.65], [-67.68, 10.68], [-67.53, 11.03], [-67.0, 11.25], [-66.47, 11.03], [-66.25, 10.5], [-66.35, 10.25], [-66.25, 10.0], [-66.35, 9.75], [-66.32, 9.68], [-66.25, 9.65], [-66.0, 9.75], [-65.47, 9.53], [-65.25, 9.0], [-65.47, 8.47], [-65.82, 8.32], [-65.97, 7.97], [-66.5, 7.75], [-66.75, 7.85], [-67.0, 7.75], [-67.53, 7.97], [-67.68, 8.32], [-68.03, 8.47], [-68.18, 8.82], [-68.5, 8.96], [-69.0, 8.75], [-69.25, 8.85], [-69.32, 8.82], [-69.47, 8.47], [-70.0, 8.25], [-70.53, 8.47], [-70.75, 9.0], [-70.53, 9.53], [-70.18, 9.68], [-70.15, 9.75], [-70.25, 10.0]]]]}, "2018-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, 10.0], [-70.03, 10.53], [-69.5, 10.75], [-69.25, 10.65], [-69.0, 10.75], [-68.75, 10.65], [-68.5, 10.75], [-68.25, 10.65], [-68.0, 10.75], [-67.75, 10.65], [-67.68, 10.68], [-67.53, 11.03], [-67.0, 11.25], [-66.47, 11.03], [-66.25, 10.5], [-66.35, 10.25], [-66.25, 10.0], [-66.35, 9.75], [-66.32, 9.68], [-66.25, 9.65], [-66.0, 9.75], [-65.47, 9.53], [-65.25, 9.0], [-65.47, 8.47], [-65.82, 8.32], [-65.97, 7.97], [-66.5, 7.75], [-66.75, 7.85], [-67.0, 7.75], [-67.53, 7.97], [-67.68, 8.32], [-68.03, 8.47], [-68.18, 8.82], [-68.5, 8.96], [-69.0, 8.75], [-69.25, 8.85], [-69.32, 8.82], [-69.47, 8.47], [-70.0, 8.25], [-70.53, 8.47], [-70.75, 9.0], [-70.53, 9.53], [-70.18, 9.68], [-70.15, 9.75], [-70.25, 10.0]]]]}, "2018-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.25, 10.0], [-70.03, 10.53], [-69.5, 10.75], [-69.25, 10.65], [-69.0, 10.75], [-68.75, 10.65], [-68.5, 10.75], [-68.25, 10.65], [-68.0, 10.75], [-67.75, 10.65], [-67.68, 10.68], [-67.53, 11.03], [-67.0, 11.25], [-66.47, 11.03], [-66.25, 10.5], [-66.35, 10.25], [-66.25, 10.0], [-66.35, 9.75], [-66.32, 9.68], [-66.25, 9.65], [-66.0, 9.75], [-65.47, 9.53], [-65.25, 9.0], [-65.47, 8.47], [-65.82, 8.32], [-65.97, 7.97], [-66.5, 7.75], [-66.75, 7.85], [-67.0, 7.75], [-67.53, 7.97], [-67.68, 8.32], [-68.03, 8.47], [-68.18, 8.82], [-68.5, 8.96], [-69.0, 8.75], [-69.25, 8.85], [-69.32, 8.82], [-69.47, 8.47], [-70.0, 8.25], [-70.53, 8.47], [-70.75, 9.0], [-70.53, 9.53], [-70.18, 9.68], [-70.15, 9.75], [-70.25, 10.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6191793422108844}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.741526617480887}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.62310898691493, 26.791703300804443, 26.859716302084053]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.601479573989366, 29.08169470571437, 28.72259393944779]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.66210231191497, 1.7728753216299178, 1.7896022188977734]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.177992505605175, 2.588609853046364, 2.6191793422108844]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7627104012594288, 1.8457518029163198, 1.8349347358685675]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1584960838806926, 2.3050716022934004, 2.6424943606192475]}}