{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:12.735328", "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": "2020-Aug-13_to_2020-Aug-17_291.5_10.0"}, "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": 2020080002051}, "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 13 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 17 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 64059.09902879071}, "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": 10.0}, "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": 291.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.75}, "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": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.03, 7.97], [-71.25, 8.5], [-71.03, 9.03], [-70.5, 9.25], [-69.97, 9.03], [-69.75, 8.5], [-69.97, 7.97], [-70.5, 7.75], [-71.03, 7.97]]], [[[-69.03, 10.53], [-68.5, 10.75], [-68.25, 10.65], [-68.0, 10.75], [-67.75, 10.65], [-67.5, 10.75], [-67.25, 10.65], [-67.0, 10.75], [-66.47, 10.53], [-66.25, 10.0], [-66.35, 9.75], [-66.25, 9.5], [-66.35, 9.25], [-66.25, 9.0], [-66.35, 8.75], [-66.25, 8.5], [-66.47, 7.97], [-67.0, 7.75], [-67.53, 7.97], [-67.68, 8.32], [-67.75, 8.35], [-68.0, 8.25], [-68.53, 8.47], [-68.75, 9.0], [-68.65, 9.25], [-68.68, 9.32], [-69.03, 9.47], [-69.25, 10.0], [-69.03, 10.53]]]]}, "2020-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.03, 7.97], [-71.25, 8.5], [-71.03, 9.03], [-70.5, 9.25], [-69.97, 9.03], [-69.75, 8.5], [-69.97, 7.97], [-70.5, 7.75], [-71.03, 7.97]]], [[[-69.03, 10.53], [-68.5, 10.75], [-68.25, 10.65], [-68.0, 10.75], [-67.75, 10.65], [-67.5, 10.75], [-67.25, 10.65], [-67.0, 10.75], [-66.47, 10.53], [-66.25, 10.0], [-66.35, 9.75], [-66.32, 9.68], [-65.97, 9.53], [-65.75, 9.0], [-65.97, 8.47], [-66.32, 8.32], [-66.47, 7.97], [-67.0, 7.75], [-67.25, 7.85], [-67.5, 7.75], [-68.03, 7.97], [-68.18, 8.32], [-68.53, 8.47], [-68.75, 9.0], [-68.65, 9.25], [-68.68, 9.32], [-69.03, 9.47], [-69.25, 10.0], [-69.03, 10.53]]]]}, "2020-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.5, 9.75], [-70.25, 9.65], [-70.12, 9.7], [-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], [-67.5, 10.75], [-67.25, 10.65], [-67.0, 10.75], [-66.47, 10.53], [-66.25, 10.0], [-66.35, 9.75], [-66.32, 9.68], [-65.97, 9.53], [-65.75, 9.0], [-65.97, 8.47], [-66.32, 8.32], [-66.47, 7.97], [-67.0, 7.75], [-67.25, 7.85], [-67.5, 7.75], [-68.03, 7.97], [-68.18, 8.32], [-68.53, 8.47], [-68.7, 8.88], [-68.82, 8.82], [-68.97, 8.47], [-69.5, 8.25], [-69.75, 8.35], [-69.82, 8.32], [-69.97, 7.97], [-70.5, 7.75], [-70.75, 7.85], [-71.0, 7.75], [-71.53, 7.97], [-71.75, 8.5], [-71.53, 9.03], [-71.18, 9.18], [-71.03, 9.53], [-70.5, 9.75]]]]}, "2020-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.5, 9.75], [-70.25, 9.65], [-70.12, 9.7], [-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], [-67.5, 10.75], [-67.25, 10.65], [-67.0, 10.75], [-66.47, 10.53], [-66.25, 10.0], [-66.35, 9.75], [-66.32, 9.68], [-65.97, 9.53], [-65.75, 9.0], [-65.97, 8.47], [-66.32, 8.32], [-66.47, 7.97], [-67.0, 7.75], [-67.25, 7.85], [-67.5, 7.75], [-68.03, 7.97], [-68.18, 8.32], [-68.53, 8.47], [-68.7, 8.88], [-68.82, 8.82], [-68.97, 8.47], [-69.5, 8.25], [-69.75, 8.35], [-69.82, 8.32], [-69.97, 7.97], [-70.5, 7.75], [-70.75, 7.85], [-71.0, 7.75], [-71.53, 7.97], [-71.75, 8.5], [-71.53, 9.03], [-71.18, 9.18], [-71.03, 9.53], [-70.5, 9.75]]]]}, "2020-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.5, 9.75], [-70.25, 9.65], [-70.12, 9.7], [-70.25, 10.0], [-70.03, 10.53], [-69.5, 10.75], [-69.25, 10.65], [-69.0, 10.75], [-68.47, 10.53], [-68.25, 10.0], [-68.35, 9.75], [-68.25, 9.5], [-68.47, 8.97], [-68.82, 8.82], [-68.97, 8.47], [-69.5, 8.25], [-69.75, 8.35], [-70.0, 8.25], [-70.25, 8.35], [-70.32, 8.32], [-70.47, 7.97], [-71.0, 7.75], [-71.53, 7.97], [-71.75, 8.5], [-71.53, 9.03], [-71.18, 9.18], [-71.03, 9.53], [-70.5, 9.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6479389397922546}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7269763134503993}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.922875405186176, 27.024602343344043, 26.18809714461503, 26.273905798478324, 23.34496120986688]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.16011056734368, 28.36627616278298, 29.268633734785965, 29.257617252586954, 27.595867885088808]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5991875250013645, 1.5149854509035623, 1.8538880631125494, 1.932629052223739, 1.3723310677216642]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9270671099812944, 1.9364394882921943, 2.6479389397922546, 2.422762662429932, 1.687717029510793]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6220018803134615, 1.5240442228387856, 1.9510353038549297, 2.0597293301128228, 1.5918643054246524]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.080448052990564, 1.7673536543296635, 2.695168332664687, 2.408952332218625, 1.899190348823627]}}