{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:10.014543", "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": "2024-Feb-12_to_2024-Feb-14_29.5_-4.0"}, "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": 2024020001301}, "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": "February 12 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 14 2024"}, "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": 61708.844241833445}, "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": ["Burundi", "Congo DRC", "Rwanda", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Eastern-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": -4.0}, "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": 29.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "29.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 31.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, -3.97], [28.82, -3.82], [28.85, -3.75], [28.75, -3.5], [28.96, -3.0], [28.75, -2.5], [28.97, -1.97], [29.5, -1.75], [29.75, -1.85], [30.0, -1.75], [30.3, -1.87], [30.47, -1.47], [31.0, -1.25], [31.25, -1.35], [31.5, -1.25], [32.03, -1.47], [32.25, -2.0], [32.15, -2.25], [32.25, -2.5], [32.15, -2.75], [32.25, -3.0], [32.03, -3.53], [31.68, -3.68], [31.65, -3.75], [31.75, -4.0], [31.53, -4.53], [31.18, -4.68], [31.03, -5.03], [30.5, -5.25], [30.0, -5.04], [29.68, -5.18], [29.53, -5.53], [29.0, -5.75], [28.47, -5.53], [28.25, -5.0], [28.35, -4.75], [28.25, -4.5], [28.47, -3.97]]]]}, "2024-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, -3.97], [28.82, -3.82], [28.85, -3.75], [28.75, -3.5], [28.96, -3.0], [28.75, -2.5], [28.97, -1.97], [29.5, -1.75], [29.75, -1.85], [30.0, -1.75], [30.3, -1.87], [30.47, -1.47], [31.0, -1.25], [31.25, -1.35], [31.5, -1.25], [32.03, -1.47], [32.25, -2.0], [32.15, -2.25], [32.25, -2.5], [32.15, -2.75], [32.25, -3.0], [32.03, -3.53], [31.68, -3.68], [31.65, -3.75], [31.75, -4.0], [31.53, -4.53], [31.18, -4.68], [31.03, -5.03], [30.5, -5.25], [30.0, -5.04], [29.68, -5.18], [29.53, -5.53], [29.0, -5.75], [28.47, -5.53], [28.25, -5.0], [28.35, -4.75], [28.25, -4.5], [28.47, -3.97]]]]}, "2024-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.47, -3.97], [28.82, -3.82], [28.85, -3.75], [28.75, -3.5], [28.96, -3.0], [28.75, -2.5], [28.97, -1.97], [29.5, -1.75], [29.75, -1.85], [30.0, -1.75], [30.3, -1.87], [30.47, -1.47], [31.0, -1.25], [31.25, -1.35], [31.5, -1.25], [32.03, -1.47], [32.25, -2.0], [32.15, -2.25], [32.25, -2.5], [32.15, -2.75], [32.25, -3.0], [32.03, -3.53], [31.68, -3.68], [31.65, -3.75], [31.75, -4.0], [31.53, -4.53], [31.18, -4.68], [31.03, -5.03], [30.5, -5.25], [30.0, -5.04], [29.68, -5.18], [29.53, -5.53], [29.0, -5.75], [28.47, -5.53], [28.25, -5.0], [28.35, -4.75], [28.25, -4.5], [28.47, -3.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.729514946647271}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9762136518338138}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.317429630727247, 23.289955566595665, 22.996751906255895]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.401845631468916, 26.797071819600262, 26.344664863680066]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.081045947870777, 2.065986814037481, 1.7816081935931833]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.729514946647271, 2.477569577115048, 2.101036359902025]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9263458746706914, 1.9395802520716046, 1.6606157422008998]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7592998051830975, 2.6205700078352563, 2.331575582659949]}}