{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:45.234541", "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": "2015-Aug-30_to_2015-Sep-06_38.5_-1.0"}, "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": 2015080002971}, "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 30 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 06 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 52510.66716762646}, "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"]}, "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": -1.0}, "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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.0, -2.25], [40.53, -2.47], [40.75, -3.0], [40.53, -3.53], [40.0, -3.75], [39.47, -3.53], [39.25, -3.0], [39.47, -2.47], [40.0, -2.25]]]]}, "2015-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, -1.97], [40.0, -1.75], [40.53, -1.97], [40.75, -2.5], [40.65, -2.75], [40.75, -3.0], [40.53, -3.53], [40.0, -3.75], [39.47, -3.53], [39.25, -3.0], [39.35, -2.75], [39.25, -2.5], [39.47, -1.97]]]]}, "2015-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, -1.47], [39.5, -1.25], [40.03, -1.47], [40.18, -1.82], [40.53, -1.97], [40.75, -2.5], [40.65, -2.75], [40.75, -3.0], [40.53, -3.53], [40.0, -3.75], [39.47, -3.53], [39.32, -3.18], [38.97, -3.03], [38.75, -2.5], [38.85, -2.25], [38.75, -2.0], [38.97, -1.47]]]]}, "2015-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.97, -0.47], [38.5, -0.25], [38.75, -0.35], [38.82, -0.32], [38.97, 0.03], [39.5, 0.25], [40.03, 0.03], [40.25, -0.5], [40.15, -0.75], [40.25, -1.0], [40.15, -1.25], [40.25, -1.5], [40.15, -1.75], [40.18, -1.82], [40.53, -1.97], [40.75, -2.5], [40.53, -3.03], [40.0, -3.25], [39.75, -3.15], [39.5, -3.25], [38.97, -3.03], [38.82, -2.68], [38.47, -2.53], [38.32, -2.18], [37.97, -2.03], [37.75, -1.5], [37.85, -1.25], [37.75, -1.0], [37.97, -0.47]]]]}, "2015-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.85, -1.25], [37.75, -1.0], [37.97, -0.47], [38.5, -0.25], [38.75, -0.35], [38.82, -0.32], [38.97, 0.03], [39.5, 0.25], [40.03, 0.03], [40.25, -0.5], [40.15, -0.75], [40.25, -1.0], [40.15, -1.25], [40.25, -1.5], [40.15, -1.75], [40.18, -1.82], [40.53, -1.97], [40.75, -2.5], [40.53, -3.03], [40.0, -3.25], [39.75, -3.15], [39.68, -3.18], [39.65, -3.25], [39.75, -3.5], [39.53, -4.03], [39.0, -4.25], [38.47, -4.03], [38.32, -3.68], [37.97, -3.53], [37.75, -3.0], [37.96, -2.5], [37.75, -2.0], [37.85, -1.75], [37.75, -1.5], [37.85, -1.25]]]]}, "2015-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.85, -1.25], [37.75, -1.0], [37.97, -0.47], [38.5, -0.25], [38.75, -0.35], [38.82, -0.32], [38.97, 0.03], [39.5, 0.25], [40.03, 0.03], [40.25, -0.5], [40.15, -0.75], [40.25, -1.0], [40.15, -1.25], [40.25, -1.5], [40.15, -1.75], [40.18, -1.82], [40.53, -1.97], [40.75, -2.5], [40.53, -3.03], [40.0, -3.25], [39.75, -3.15], [39.68, -3.18], [39.65, -3.25], [39.75, -3.5], [39.53, -4.03], [39.0, -4.25], [38.47, -4.03], [38.32, -3.68], [37.97, -3.53], [37.75, -3.0], [37.96, -2.5], [37.75, -2.0], [37.85, -1.75], [37.75, -1.5], [37.85, -1.25]]]]}, "2015-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.96, -1.5], [37.75, -1.0], [37.97, -0.47], [38.5, -0.25], [39.03, -0.47], [39.18, -0.82], [39.53, -0.97], [39.75, -1.5], [39.65, -1.75], [39.75, -2.0], [39.65, -2.25], [39.75, -2.5], [39.65, -2.75], [39.75, -3.0], [39.65, -3.25], [39.75, -3.5], [39.53, -4.03], [39.0, -4.25], [38.47, -4.03], [38.32, -3.68], [37.97, -3.53], [37.75, -3.0], [37.96, -2.5], [37.75, -2.0], [37.96, -1.5]]]]}, "2015-09-06T11:30:00.000000000": {"type": 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.775457242231937, 0.8798244837574885, 0.8017254310207278, 1.081102060119101, 1.3848372271882106, 1.064519550895966, 0.9944134038041597, 1.1770947884564862]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.775457242231937, 0.8945987758536376, 0.8753089133261938, 1.3955050585498157, 1.7920150417017453, 1.235554332013578, 1.1282460879990595, 1.1770947884564862]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4343232886026316, 1.5771168705429928, 1.3182431627397266, 1.4051474233195427, 1.7879691570147078, 1.411130683148104, 1.2943433002358273, 1.2436007213352005]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4343232886026316, 1.6756208678315956, 1.4341624564627717, 1.6502767548595803, 2.1090492129287712, 1.7204687103748226, 1.4524332794958528, 1.2436007213352005]}}