{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:56.833521", "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": "2019-Nov-17_to_2019-Nov-21_18.0_-7.0"}, "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": 2019110002101}, "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": "November 17 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 21 2019"}, "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": 101433.34182148735}, "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 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": []}, "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": -7.0}, "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": 18.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.25}, "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": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.85, -6.25], [15.75, -6.0], [15.97, -5.47], [16.5, -5.25], [16.75, -5.35], [16.82, -5.32], [16.85, -5.25], [16.75, -5.0], [16.97, -4.47], [17.5, -4.25], [18.03, -4.47], [18.25, -5.0], [18.15, -5.25], [18.25, -5.5], [18.15, -5.75], [18.25, -6.0], [18.13, -6.3], [18.53, -6.47], [18.75, -7.0], [18.63, -7.3], [19.03, -7.47], [19.25, -8.0], [19.03, -8.53], [18.5, -8.75], [17.97, -8.53], [17.75, -8.0], [17.88, -7.7], [17.5, -7.54], [17.0, -7.75], [16.75, -7.65], [16.5, -7.75], [15.97, -7.53], [15.75, -7.0], [15.85, -6.75], [15.75, -6.5], [15.85, -6.25]]]]}, "2019-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.75, -6.0], [15.85, -5.75], [15.75, -5.5], [15.85, -5.25], [15.75, -5.0], [15.85, -4.75], [15.75, -4.5], [15.85, -4.25], [15.75, -4.0], [15.97, -3.47], [16.5, -3.25], [16.75, -3.35], [17.0, -3.25], [17.25, -3.35], [17.5, -3.25], [18.03, -3.47], [18.18, -3.82], [18.53, -3.97], [18.75, -4.5], [18.65, -4.75], [18.75, -5.0], [18.54, -5.5], [18.75, -6.0], [18.54, -6.5], [18.75, -7.0], [18.63, -7.3], [19.03, -7.47], [19.25, -8.0], [19.03, -8.53], [18.5, -8.75], [17.97, -8.53], [17.75, -8.0], [17.88, -7.7], [17.5, -7.54], [17.0, -7.75], [16.75, -7.65], [16.5, -7.75], [16.25, -7.65], [16.0, -7.75], [15.47, -7.53], [15.25, -7.0], [15.47, -6.47], [15.82, -6.32], [15.85, -6.25], [15.75, -6.0]]]]}, "2019-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.75, -6.0], [15.85, -5.75], [15.75, -5.5], [15.85, -5.25], [15.75, -5.0], [15.85, -4.75], [15.75, -4.5], [15.85, -4.25], [15.75, -4.0], [15.97, -3.47], [16.5, -3.25], [16.75, -3.35], [17.0, -3.25], [17.25, -3.35], [17.5, -3.25], [18.03, -3.47], [18.18, -3.82], [18.53, -3.97], [18.75, -4.5], [18.65, -4.75], [18.75, -5.0], [18.54, -5.5], [18.68, -5.82], [19.03, -5.97], [19.25, -6.5], [19.15, -6.75], [19.18, -6.82], [19.53, -6.97], [19.75, -7.5], [19.53, -8.03], [19.18, -8.18], [19.03, -8.53], [18.5, -8.75], [18.25, -8.65], [18.0, -8.75], [17.47, -8.53], [17.25, -8.0], [17.35, -7.75], [17.3, -7.62], [17.0, -7.75], [16.75, -7.65], [16.5, -7.75], [16.25, -7.65], [16.0, -7.75], [15.47, -7.53], [15.25, -7.0], [15.47, -6.47], [15.82, -6.32], [15.85, -6.25], [15.75, -6.0]]]]}, "2019-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.75, -6.0], [15.85, -5.75], [15.75, -5.5], [15.85, -5.25], [15.75, -5.0], [15.85, -4.75], [15.75, -4.5], [15.85, -4.25], [15.75, -4.0], [15.97, -3.47], [16.5, -3.25], [16.75, -3.35], [17.0, -3.25], [17.25, -3.35], [17.5, -3.25], [18.03, -3.47], [18.18, -3.82], [18.53, -3.97], [18.75, -4.5], [18.65, -4.75], [18.75, -5.0], [18.54, -5.5], [18.68, -5.82], [19.03, -5.97], [19.25, -6.5], [19.15, -6.75], [19.18, -6.82], [19.53, -6.97], [19.75, -7.5], [19.53, -8.03], [19.18, -8.18], [19.03, -8.53], [18.5, -8.75], [18.25, -8.65], [18.0, -8.75], [17.47, -8.53], [17.25, -8.0], [17.35, -7.75], [17.3, -7.62], [17.0, -7.75], [16.75, -7.65], [16.5, -7.75], [16.25, -7.65], [16.0, -7.75], [15.47, -7.53], [15.25, -7.0], [15.47, -6.47], [15.82, -6.32], [15.85, -6.25], [15.75, -6.0]]]]}, "2019-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.35, -7.25], [17.25, -7.0], [17.35, -6.75], [17.25, -6.5], [17.47, -5.97], [18.0, -5.75], [18.25, -5.85], [18.5, -5.75], [19.03, -5.97], [19.25, -6.5], [19.15, -6.75], [19.18, -6.82], [19.53, -6.97], [19.75, -7.5], [19.53, -8.03], [19.18, -8.18], [19.03, -8.53], [18.5, -8.75], [18.25, -8.65], [18.0, -8.75], [17.47, -8.53], [17.25, -8.0], [17.35, -7.75], [17.25, -7.5], [17.35, -7.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4535449558858886}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.540767422438428}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.725663639234938, 25.1432281270188, 25.244896127804736, 24.964360563723915, 23.454710246369928]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.951981067710392, 26.55303386337249, 27.476172214195515, 26.990376769207103, 24.709297268628347]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3482114854584468, 1.3717489719177645, 1.799905308527207, 1.5379928983473268, 1.324390097371059]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.531634777332954, 1.6824070523562114, 2.4535449558858886, 1.969634161891463, 1.5747702430853678]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4621635279397296, 1.5195098626804333, 2.0977571290436887, 1.7209151773665134, 1.7331428352212166]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7207521018286935, 1.7609733780304364, 2.7932799820562653, 2.418285577399516, 2.0474309669558157]}}