{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:37.978493", "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-01_to_2012-Oct-05_14.0_-19.0"}, "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": 2012100001323}, "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 01 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 05 2012"}, "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": 85258.16854365557}, "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", "Namibia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Southern-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": []}, "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": -19.0}, "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": 14.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "14.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.32, -15.68], [12.97, -15.53], [12.75, -15.0], [12.97, -14.47], [13.5, -14.25], [14.03, -14.47], [14.18, -14.82], [14.53, -14.97], [14.75, -15.5], [14.65, -15.75], [14.75, -16.0], [14.53, -16.53], [14.18, -16.68], [14.03, -17.03], [13.5, -17.25], [12.97, -17.03], [12.75, -16.5], [12.97, -15.97], [13.32, -15.82], [13.35, -15.75], [13.32, -15.68]]]]}, "2012-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -15.97], [13.32, -15.82], [13.35, -15.75], [13.32, -15.68], [12.97, -15.53], [12.75, -15.0], [12.97, -14.47], [13.5, -14.25], [14.03, -14.47], [14.18, -14.82], [14.53, -14.97], [14.75, -15.5], [14.65, -15.75], [14.68, -15.82], [15.0, -15.96], [15.5, -15.75], [16.03, -15.97], [16.25, -16.5], [16.15, -16.75], [16.25, -17.0], [16.03, -17.53], [15.5, -17.75], [15.0, -17.54], [14.68, -17.68], [14.65, -17.75], [14.75, -18.0], [14.65, -18.25], [14.68, -18.32], [14.75, -18.35], [15.0, -18.25], [15.53, -18.47], [15.68, -18.82], [16.03, -18.97], [16.25, -19.5], [16.03, -20.03], [15.5, -20.25], [15.25, -20.15], [15.0, -20.25], [14.75, -20.15], [14.5, -20.25], [14.25, -20.15], [14.0, -20.25], [13.47, -20.03], [13.25, -19.5], [13.35, -19.25], [13.25, -19.0], [13.35, -18.75], [13.25, -18.5], [13.35, -18.25], [13.32, -18.18], [12.97, -18.03], [12.75, -17.5], [12.96, -17.0], [12.75, -16.5], [12.97, -15.97]]]]}, "2012-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -15.97], [13.32, -15.82], [13.35, -15.75], [13.32, -15.68], [12.97, -15.53], [12.75, -15.0], [12.97, -14.47], [13.5, -14.25], [14.03, -14.47], [14.18, -14.82], [14.53, -14.97], [14.75, -15.5], [14.65, -15.75], [14.68, -15.82], [15.0, -15.96], [15.5, -15.75], [16.03, -15.97], [16.25, -16.5], [16.15, -16.75], [16.25, -17.0], [16.15, -17.25], [16.25, -17.5], [16.15, -17.75], [16.18, -17.82], [16.53, -17.97], [16.75, -18.5], [16.65, -18.75], [16.68, -18.82], [17.03, -18.97], [17.25, -19.5], [17.03, -20.03], [16.5, -20.25], [16.0, -20.04], [15.5, -20.25], [15.25, -20.15], [15.0, -20.25], [14.75, -20.15], [14.5, -20.25], [14.25, -20.15], [14.0, -20.25], [13.47, -20.03], [13.25, -19.5], [13.35, -19.25], [13.25, -19.0], [13.35, -18.75], [13.25, -18.5], [13.35, -18.25], [13.32, -18.18], [12.97, -18.03], [12.75, -17.5], [12.96, -17.0], [12.75, -16.5], [12.97, -15.97]]]]}, "2012-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.75, -17.5], [12.97, -16.97], [13.5, -16.75], [13.75, -16.85], [13.82, -16.82], [13.85, -16.75], [13.75, -16.5], [13.97, -15.97], [14.5, -15.75], [15.0, -15.96], [15.5, -15.75], [16.03, -15.97], [16.25, -16.5], [16.15, -16.75], [16.25, -17.0], [16.15, -17.25], [16.25, -17.5], [16.15, -17.75], [16.18, -17.82], [16.53, -17.97], [16.75, -18.5], [16.65, -18.75], [16.68, -18.82], [17.03, -18.97], [17.25, -19.5], [17.03, -20.03], [16.5, -20.25], [16.0, -20.04], [15.5, -20.25], [15.25, -20.15], [15.0, -20.25], [14.75, -20.15], [14.5, -20.25], [14.25, -20.15], [14.0, -20.25], [13.47, -20.03], [13.25, -19.5], [13.35, -19.25], [13.25, -19.0], [13.35, -18.75], [13.25, -18.5], [13.35, -18.25], [13.32, -18.18], [12.97, -18.03], [12.75, -17.5]]]]}, "2012-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.35, -17.75], [14.25, -17.5], [14.47, -16.97], [15.0, -16.75], [15.25, -16.85], [15.5, -16.75], [16.03, -16.97], [16.25, -17.5], [16.15, -17.75], [16.18, -17.82], [16.53, -17.97], [16.75, -18.5], [16.65, -18.75], [16.68, -18.82], [17.03, -18.97], [17.25, -19.5], [17.03, -20.03], [16.5, -20.25], [15.97, -20.03], [15.82, -19.68], [15.75, -19.65], [15.5, -19.75], [14.97, -19.53], [14.82, -19.18], [14.47, -19.03], [14.25, -18.5], [14.35, -18.25], [14.25, -18.0], [14.35, -17.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.621342429663343}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.9446407764970357}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.534300770751656, 27.502461845670666, 28.60755628548293, 28.95561651153747, 29.926732324557918]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.937676857901977, 29.060362020768878, 30.160579674112455, 30.117584172664806, 30.70411872976507]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.942131825320729, 2.8586888094222602, 3.1554071374867556, 2.9442506232858205, 2.8987060305674843]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.3073567756897546, 4.621342429663343, 4.4826638934762855, 4.128171276462524, 3.5773642806123576]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.479032694186965, 1.607727748362192, 1.7529553875567474, 1.512533134638241, 1.484101998367987]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6844092080618795, 2.1377511620175333, 2.2684569970233412, 1.7396928781399466, 1.7976193014280375]}}