{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:56.290574", "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-Apr-29_to_2015-May-03_41.5_-2.0"}, "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": 2015040002781}, "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 29 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 03 2015"}, "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": 77095.81294169487}, "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", "Somalia"]}, "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": ["Indian Ocean"]}, "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": -2.0}, "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": 41.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "41.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.75}, "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": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-04-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.47, -4.97], [40.0, -4.75], [40.25, -4.85], [40.5, -4.75], 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[40.32, -6.68], [40.25, -6.65], [40.0, -6.75], [39.47, -6.53], [39.25, -6.0], [39.35, -5.75], [39.25, -5.5], [39.35, -5.25]]]]}, "2015-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.35, -5.25], [39.25, -5.0], [39.47, -4.47], [39.82, -4.32], [39.85, -4.25], [39.75, -4.0], [39.97, -3.47], [40.32, -3.32], [40.35, -3.25], [40.25, -3.0], [40.35, -2.75], [40.25, -2.5], [40.35, -2.25], [40.32, -2.18], [39.97, -2.03], [39.75, -1.5], [39.85, -1.25], [39.82, -1.18], [39.47, -1.03], [39.25, -0.5], [39.47, 0.03], [40.0, 0.25], [40.53, 0.03], [40.68, -0.32], [40.75, -0.35], [41.0, -0.25], [41.53, -0.47], [41.68, -0.82], [42.03, -0.97], [42.25, -1.5], [42.15, -1.75], [42.25, -2.0], [42.15, -2.25], [42.25, -2.5], [42.15, -2.75], [42.25, -3.0], [42.15, -3.25], [42.25, -3.5], [42.15, -3.75], [42.25, -4.0], [42.03, -4.53], [41.5, -4.75], [41.2, -4.62], [41.15, -4.75], [41.25, -5.0], [41.15, -5.25], [41.18, -5.32], [41.53, -5.47], [41.75, -6.0], [41.65, -6.25], [41.75, -6.5], 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28.473589135751638, 29.530095065742614]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.036955338169037, 28.501482920706565, 30.218442930415733, 30.45642087276866, 30.22865452163967]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0805858409990208, 1.1304476144836413, 1.2956882453658158, 1.3216589815667419, 1.7796189700030953]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2566292235451897, 1.3274851467675717, 1.9712424003265596, 2.000860251731524, 2.3214892599171435]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5983464792959259, 1.6306494854952667, 1.6163573164278247, 1.5521120438418747, 1.5620057032280232]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8786763246643794, 1.83707276454385, 2.0094645780556055, 1.677183932774648, 1.9214782211339954]}}