{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:34.312617", "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-Sep-11_to_2019-Sep-13_15.0_-4.5"}, "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": 2019090001771}, "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": "September 11 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 13 2019"}, "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": 64784.27513485292}, "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": ["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": []}, "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": -4.5}, "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": 15.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.47, -2.97], [13.0, -2.75], [13.25, -2.85], [13.5, -2.75], [13.8, -2.87], [13.85, -2.75], [13.75, -2.5], [13.85, -2.25], [13.75, -2.0], [13.85, -1.75], [13.75, -1.5], [13.97, -0.97], [14.5, -0.75], [15.03, -0.97], [15.18, -1.32], [15.53, -1.47], [15.75, -2.0], [15.54, -2.5], [15.68, -2.82], [16.03, -2.97], [16.25, -3.5], [16.15, -3.75], [16.25, -4.0], [16.15, -4.25], [16.25, -4.5], [16.03, -5.03], [15.5, -5.25], [15.25, -5.15], [15.0, -5.25], [14.75, -5.15], [14.5, -5.25], [14.25, -5.15], [14.0, -5.25], [13.47, -5.03], [13.32, -4.68], [13.25, -4.65], [13.0, -4.75], [12.47, -4.53], [12.25, -4.0], [12.35, -3.75], [12.25, -3.5], [12.47, -2.97]]]]}, "2019-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.47, -2.97], [13.0, -2.75], [13.25, -2.85], [13.5, -2.75], [13.8, -2.87], [13.85, -2.75], [13.75, -2.5], [13.85, -2.25], [13.75, -2.0], [13.85, -1.75], [13.75, -1.5], [13.97, -0.97], [14.5, -0.75], [15.03, -0.97], [15.18, -1.32], [15.53, -1.47], [15.75, -2.0], [15.54, -2.5], [15.68, -2.82], [16.03, -2.97], [16.25, -3.5], [16.15, -3.75], [16.25, -4.0], [16.15, -4.25], [16.25, -4.5], [16.03, -5.03], [15.5, -5.25], [15.25, -5.15], [15.0, -5.25], [14.75, -5.15], [14.5, -5.25], [14.25, -5.15], [14.0, -5.25], [13.47, -5.03], [13.32, -4.68], [13.25, -4.65], [13.0, -4.75], [12.47, -4.53], [12.25, -4.0], [12.35, -3.75], [12.25, -3.5], [12.47, -2.97]]]]}, "2019-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.47, -2.97], [13.0, -2.75], [13.25, -2.85], [13.5, -2.75], [13.8, -2.87], [13.85, -2.75], [13.75, -2.5], [13.85, -2.25], [13.75, -2.0], [13.85, -1.75], [13.75, -1.5], [13.97, -0.97], [14.5, -0.75], [15.03, -0.97], [15.18, -1.32], [15.53, -1.47], [15.75, -2.0], [15.54, -2.5], [15.68, -2.82], [16.03, -2.97], [16.25, -3.5], [16.15, -3.75], [16.25, -4.0], [16.15, -4.25], [16.25, -4.5], [16.03, -5.03], [15.5, -5.25], [15.25, -5.15], [15.0, -5.25], [14.75, -5.15], [14.5, -5.25], [14.25, -5.15], [14.0, -5.25], [13.47, -5.03], [13.32, -4.68], [13.25, -4.65], [13.0, -4.75], [12.47, -4.53], [12.25, -4.0], [12.35, -3.75], [12.25, -3.5], [12.47, -2.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5131561858909777}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.426532008562295}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.260111505789666, 25.54449492827979, 25.88351474032902]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.189779020040362, 27.452272654718, 28.10995431660325]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1637617219157024, 1.4051335274334336, 1.7107007763377493]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6057531134973715, 1.8404113825513946, 2.5131561858909777]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3910590500304973, 1.741771399417229, 2.125079657284617]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.730368036041035, 2.353382713612422, 2.8305652645401977]}}