{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:37.959750", "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-Apr-25_to_2019-Apr-27_34.5_-22.5"}, "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": 2019040002596}, "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": "April 25 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 27 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": 54328.991277888956}, "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": ["Mozambique"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": -22.5}, "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": 34.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "34.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, -21.47], [32.82, -21.32], [32.97, -20.97], [33.5, -20.75], [33.75, -20.85], [34.0, -20.75], [34.25, -20.85], [34.5, -20.75], [34.75, -20.85], [35.0, -20.75], [35.53, -20.97], [35.75, -21.5], [35.65, -21.75], [35.75, -22.0], [35.65, -22.25], [35.75, -22.5], [35.65, -22.75], [35.75, -23.0], [35.53, -23.53], [35.0, -23.75], [34.75, -23.65], [34.68, -23.68], [34.53, -24.03], [34.0, -24.25], [33.47, -24.03], [33.32, -23.68], [32.97, -23.53], [32.82, -23.18], [32.47, -23.03], [32.25, -22.5], [32.35, -22.25], [32.25, -22.0], [32.47, -21.47]]]]}, "2019-04-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, -21.47], [32.82, -21.32], [32.97, -20.97], [33.5, -20.75], [33.75, -20.85], [34.0, -20.75], [34.25, -20.85], [34.5, -20.75], [34.75, -20.85], [35.0, -20.75], [35.53, -20.97], [35.75, -21.5], [35.65, -21.75], [35.75, -22.0], [35.65, -22.25], [35.75, -22.5], [35.65, -22.75], [35.75, -23.0], [35.53, -23.53], [35.0, -23.75], [34.75, -23.65], [34.68, -23.68], [34.53, -24.03], [34.0, -24.25], [33.47, -24.03], [33.32, -23.68], [32.97, -23.53], [32.82, -23.18], [32.47, -23.03], [32.25, -22.5], [32.35, -22.25], [32.25, -22.0], [32.47, -21.47]]]]}, "2019-04-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, -21.47], [32.82, -21.32], [32.97, -20.97], [33.5, -20.75], [33.75, -20.85], [34.0, -20.75], [34.25, -20.85], [34.5, -20.75], [34.75, -20.85], [35.0, -20.75], [35.53, -20.97], [35.75, -21.5], [35.65, -21.75], [35.75, -22.0], [35.65, -22.25], [35.75, -22.5], [35.65, -22.75], [35.75, -23.0], [35.53, -23.53], [35.0, -23.75], [34.75, -23.65], [34.68, -23.68], [34.53, -24.03], [34.0, -24.25], [33.47, -24.03], [33.32, -23.68], [32.97, -23.53], [32.82, -23.18], [32.47, -23.03], [32.25, -22.5], [32.35, -22.25], [32.25, -22.0], [32.47, -21.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.422120609571209}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.078620394054017}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.03908488717491, 27.389714158255003, 26.919181767130056]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.14530814676806, 29.028744791694066, 28.15916807852949]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8520245420081247, 3.335112371385719, 3.048724268768207]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4144105624184817, 4.422120609571209, 3.636035493707027]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5702643254540913, 1.8293569126976579, 1.6875801480598527]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7506493716418696, 2.0611670492587217, 1.9954578988456695]}}