{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:07.401291", "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": "2014-Aug-03_to_2014-Aug-07_40.5_7.5"}, "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": 2014080001767}, "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 03 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 07 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 73552.87419187806}, "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": ["Ethiopia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 7.5}, "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": 40.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 8.53], [36.82, 8.68], [36.97, 9.03], [37.32, 9.18], [37.47, 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6.25], [38.75, 6.35], [38.68, 6.32], [38.53, 5.97], [38.0, 5.75], [37.75, 5.85], [37.5, 5.75], [36.97, 5.97], [36.75, 6.5], [36.85, 6.75], [36.82, 6.82], [36.47, 6.97], [36.25, 7.5], [36.35, 7.75], [36.25, 8.0], [36.47, 8.53]]]]}, "2014-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 8.53], [36.82, 8.68], [36.97, 9.03], [37.32, 9.18], [37.47, 9.53], [38.0, 9.75], [38.53, 9.53], [38.68, 9.18], [39.03, 9.03], [39.2, 8.63], [39.5, 8.75], [40.03, 8.53], [40.2, 8.13], [40.5, 8.25], [41.03, 8.03], [41.25, 7.5], [41.15, 7.25], [41.25, 7.0], [41.15, 6.75], [41.25, 6.5], [41.03, 5.97], [40.5, 5.75], [40.25, 5.85], [40.0, 5.75], [39.47, 5.97], [39.32, 6.32], [39.25, 6.35], [39.0, 6.25], [38.75, 6.35], [38.68, 6.32], [38.53, 5.97], [38.0, 5.75], [37.75, 5.85], [37.5, 5.75], [36.97, 5.97], [36.75, 6.5], [36.85, 6.75], [36.82, 6.82], [36.47, 6.97], [36.25, 7.5], [36.35, 7.75], [36.25, 8.0], [36.47, 8.53]]]]}, "2014-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, 5.97], [37.25, 6.5], [37.47, 7.03], [38.0, 7.25], [38.53, 7.03], [38.75, 6.5], [38.53, 5.97], [38.0, 5.75], [37.47, 5.97]]], [[[39.97, 8.03], [40.5, 8.25], [41.03, 8.03], [41.25, 7.5], [41.15, 7.25], [41.25, 7.0], [41.15, 6.75], [41.25, 6.5], [41.03, 5.97], [40.5, 5.75], [40.25, 5.85], [40.0, 5.75], [39.47, 5.97], [39.25, 6.5], [39.47, 7.03], [39.82, 7.18], [39.85, 7.25], [39.75, 7.5], [39.97, 8.03]]]]}, "2014-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.5, 8.25], [41.03, 8.03], [41.25, 7.5], [41.03, 6.97], [40.5, 6.75], [39.97, 6.97], [39.75, 7.5], [39.97, 8.03], [40.5, 8.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.7139278142732906}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3945714466694425}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.105480091719755, 17.732936290168993, 17.8534117306761, 21.608396971977527, 20.688559592982756]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.49914211356065, 23.635660260456177, 24.33494249013563, 23.96268975840843, 20.688559592982756]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.276266837303172, 1.3661467912935639, 1.4696075999850702, 1.6873699117541037, 1.2962999673838453]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7311374412861937, 2.2799583189965915, 2.7139278142732906, 2.3158675753581974, 1.2962999673838453]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4799016214000795, 1.5471719587907529, 1.6533827666269232, 1.5482634132308715, 1.4557645648527622]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8056638016170714, 2.3648545701315506, 2.2626010416016173, 1.6903147833660295, 1.4557645648527622]}}