{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:51.562716", "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": "2018-Aug-08_to_2018-Aug-10_38.0_-5.5"}, "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": 2018080001919}, "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": "August 08 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 10 2018"}, "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": 52330.15935034152}, "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": ["Kenya", "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": -5.5}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 38.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, -4.97], [36.38, -4.8], [36.25, -4.5], [36.35, -4.25], [36.25, -4.0], [36.47, -3.47], [37.0, -3.25], [37.25, -3.35], [37.32, -3.32], [37.47, -2.97], [38.0, -2.75], [38.53, -2.97], [38.75, -3.5], [38.63, -3.8], [39.03, -3.97], [39.25, -4.5], [39.03, -5.03], [38.68, -5.18], [38.65, -5.25], [38.75, -5.5], [38.65, -5.75], [38.75, -6.0], [38.65, -6.25], [38.75, -6.5], [38.53, -7.03], [38.0, -7.25], [37.75, -7.15], [37.5, -7.25], [36.97, -7.03], [36.8, -6.62], [36.5, -6.75], [35.97, -6.53], [35.75, -6.0], [35.85, -5.75], [35.75, -5.5], [35.97, -4.97]]]]}, "2018-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, -4.97], [36.38, -4.8], [36.25, -4.5], [36.35, -4.25], [36.25, -4.0], [36.47, -3.47], [37.0, -3.25], [37.25, -3.35], [37.32, -3.32], [37.47, -2.97], [38.0, -2.75], [38.53, -2.97], [38.75, -3.5], [38.63, -3.8], [39.03, -3.97], [39.25, -4.5], [39.03, -5.03], [38.68, -5.18], [38.65, -5.25], [38.75, -5.5], [38.65, -5.75], [38.75, -6.0], [38.65, -6.25], [38.75, -6.5], [38.53, -7.03], [38.0, -7.25], [37.75, -7.15], [37.5, -7.25], [36.97, -7.03], [36.8, -6.62], [36.5, -6.75], [35.97, -6.53], [35.75, -6.0], [35.85, -5.75], [35.75, -5.5], [35.97, -4.97]]]]}, "2018-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.97, -4.97], [36.38, -4.8], [36.25, -4.5], [36.35, -4.25], [36.25, -4.0], [36.47, -3.47], [37.0, -3.25], [37.25, -3.35], [37.32, -3.32], [37.47, -2.97], [38.0, -2.75], [38.53, -2.97], [38.75, -3.5], [38.63, -3.8], [39.03, -3.97], [39.25, -4.5], [39.03, -5.03], [38.68, -5.18], [38.65, -5.25], [38.75, -5.5], [38.65, -5.75], [38.75, -6.0], [38.65, -6.25], [38.75, -6.5], [38.53, -7.03], [38.0, -7.25], [37.75, -7.15], [37.5, -7.25], [36.97, -7.03], [36.8, -6.62], [36.5, -6.75], [35.97, -6.53], [35.75, -6.0], [35.85, -5.75], [35.75, -5.5], [35.97, -4.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8296566800231062}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2472684695734828}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.297322288868997, 21.268134212425878, 21.289488133148666]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.129505997418562, 23.938348700252448, 23.96394125000296]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2707396758864788, 1.2263401126378393, 1.24472562019613]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8296566800231062, 1.6123629524366265, 1.5817873380963192]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.598640515261548, 1.6188861650166366, 1.7422469746439986]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.096492574412918, 2.004036432342485, 2.418037151289425]}}