{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:45.292473", "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": "2012-Oct-27_to_2012-Oct-30_13.0_-7.5"}, "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": 2012100002802}, "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": "October 27 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 30 2012"}, "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": 70500.16188525724}, "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": ["Angola", "Congo", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "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": ["South Atlantic Ocean"]}, "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": -7.5}, "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": 13.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 13.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -10.03], [12.75, -9.5], [12.97, -8.97], [13.5, -8.75], [14.03, -8.97], [14.25, -9.5], [14.03, -10.03], [13.5, -10.25], [12.97, -10.03]]], [[[10.75, -6.5], [10.85, -6.25], [10.75, -6.0], [10.85, -5.75], [10.75, -5.5], [10.97, -4.97], [11.32, -4.82], [11.47, -4.47], [12.0, -4.25], [12.53, -4.47], [12.75, -5.0], [12.65, -5.25], [12.68, -5.32], [13.03, -5.47], [13.25, -6.0], [13.04, -6.5], [13.18, -6.82], [13.53, -6.97], [13.75, -7.5], [13.53, -8.03], [13.0, -8.25], [12.5, -8.04], [12.0, -8.25], [11.75, -8.15], [11.5, -8.25], [10.97, -8.03], [10.75, -7.5], [10.85, -7.25], [10.75, -7.0], [10.85, -6.75], [10.75, -6.5]]]]}, "2012-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.85, -6.75], [10.75, -6.5], [10.85, -6.25], [10.75, -6.0], [10.85, -5.75], [10.75, -5.5], [10.97, -4.97], [11.32, -4.82], [11.47, -4.47], [12.0, -4.25], [12.53, -4.47], [12.75, -5.0], [12.65, -5.25], [12.68, -5.32], [13.03, -5.47], [13.25, -6.0], [13.04, -6.5], [13.18, -6.82], [13.53, -6.97], [13.75, -7.5], [13.65, -7.75], [13.75, -8.0], [13.65, -8.25], [13.75, -8.5], [13.65, -8.75], [13.68, -8.82], [14.03, -8.97], [14.25, -9.5], [14.03, -10.03], [13.5, -10.25], [13.25, -10.15], [13.0, -10.25], [12.47, -10.03], [12.32, -9.68], [11.97, -9.53], [11.75, -9.0], [11.85, -8.75], [11.75, -8.5], [11.85, -8.25], [11.82, -8.18], [11.75, -8.15], [11.5, -8.25], [10.97, -8.03], [10.75, -7.5], [10.85, -7.25], [10.75, -7.0], [10.85, -6.75]]]]}, "2012-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.85, -6.75], [10.75, -6.5], [10.85, -6.25], [10.75, -6.0], [10.85, -5.75], [10.75, -5.5], [10.97, -4.97], [11.32, -4.82], [11.47, -4.47], [12.0, -4.25], [12.53, -4.47], [12.75, -5.0], [12.65, -5.25], [12.68, -5.32], [13.03, -5.47], [13.25, -6.0], [13.04, -6.5], [13.18, -6.82], [13.53, -6.97], [13.75, -7.5], [13.65, -7.75], [13.75, -8.0], [13.65, -8.25], [13.75, -8.5], [13.65, -8.75], [13.68, -8.82], [14.03, -8.97], [14.25, -9.5], [14.03, -10.03], [13.5, -10.25], [13.25, -10.15], [13.0, -10.25], [12.47, -10.03], [12.32, -9.68], [11.97, -9.53], [11.75, -9.0], [11.85, -8.75], [11.75, -8.5], [11.85, -8.25], [11.82, -8.18], [11.75, -8.15], [11.5, -8.25], [10.97, -8.03], [10.75, -7.5], [10.85, -7.25], [10.75, -7.0], [10.85, -6.75]]]]}, "2012-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.35, -6.75], [11.25, -6.5], [11.35, -6.25], [11.25, -6.0], [11.47, -5.47], [12.0, -5.25], [12.53, -5.47], [12.75, -6.0], [12.65, -6.25], [12.68, -6.32], [13.03, -6.47], [13.18, -6.82], [13.53, -6.97], [13.75, -7.5], [13.65, -7.75], [13.75, -8.0], [13.65, -8.25], [13.75, -8.5], [13.65, -8.75], [13.75, -9.0], [13.65, -9.25], [13.75, -9.5], [13.53, -10.03], [13.0, -10.25], [12.47, -10.03], [12.32, -9.68], [11.97, -9.53], [11.75, -9.0], [11.85, -8.75], [11.75, -8.5], [11.85, -8.25], [11.82, -8.18], [11.47, -8.03], [11.25, -7.5], [11.35, -7.25], [11.25, -7.0], [11.35, -6.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.991495815622784}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3476874631578015}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.048292335876567, 26.56479482660717, 26.901522568660198, 25.983931174339375]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.294561419154377, 26.812843355111056, 27.143156842463725, 26.21324225342829]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9043766673116086, 1.4853946637239777, 1.7682691685655478, 0.9054743988929934]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2931321450754467, 1.7619436075764838, 1.991495815622784, 1.1625238872967998]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3246278007136272, 2.096607281246558, 2.5033711452770375, 1.2508597317072294]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.563872114991183, 2.4976099197716684, 2.7628032044898982, 1.480568385631978]}}