{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:29.570549", "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": "2016-May-13_to_2016-May-20_39.5_-4.5"}, "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": 2016050001663}, "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": "May 13 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 20 2016"}, "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": 98802.59849695186}, "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": -4.5}, "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": 39.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "39.5\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": 41.75}, "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": -0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.25, -4.0], [39.35, -3.75], [39.25, -3.5], [39.47, -2.97], [40.0, -2.75], [40.53, -2.97], [40.75, -3.5], [40.65, -3.75], [40.75, -4.0], [40.65, -4.25], [40.75, -4.5], [40.53, -5.03], [40.18, -5.18], [40.03, -5.53], [39.5, -5.75], [38.97, -5.53], [38.75, -5.0], [38.97, -4.47], [39.32, -4.32], [39.35, -4.25], [39.25, -4.0]]]]}, "2016-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, -3.97], [39.32, -3.82], [39.35, -3.75], [39.25, -3.5], [39.47, -2.97], [40.0, -2.75], [40.53, -2.97], [40.75, -3.5], [40.65, -3.75], [40.75, -4.0], [40.65, -4.25], [40.75, -4.5], [40.53, -5.03], [40.18, -5.18], [40.03, -5.53], [39.5, -5.75], [38.97, -5.53], [38.75, -5.0], [38.85, -4.75], [38.75, -4.5], [38.97, -3.97]]]]}, "2016-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, -3.97], [39.32, -3.82], [39.35, -3.75], [39.25, -3.5], [39.35, -3.25], [39.25, -3.0], [39.47, -2.47], [40.0, -2.25], [40.53, -2.47], [40.75, -3.0], [40.65, -3.25], [40.75, -3.5], [40.65, -3.75], [40.75, -4.0], [40.65, -4.25], [40.75, -4.5], [40.53, -5.03], [40.18, -5.18], [40.03, -5.53], [39.5, -5.75], [38.97, -5.53], [38.75, -5.0], [38.85, -4.75], [38.75, -4.5], [38.97, -3.97]]]]}, "2016-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.75, -3.0], [37.97, -2.47], [38.32, -2.32], [38.35, -2.25], [38.25, -2.0], [38.46, -1.5], [38.25, -1.0], [38.47, -0.47], [38.82, -0.32], [38.97, 0.03], [39.5, 0.25], [39.75, 0.15], [40.0, 0.25], [40.53, 0.03], [40.68, -0.32], [41.03, -0.47], [41.18, -0.82], [41.53, -0.97], [41.75, -1.5], [41.53, -2.03], [41.18, -2.18], [41.03, -2.53], [40.68, -2.68], [40.65, -2.75], [40.75, -3.0], [40.53, -3.53], [40.18, -3.68], [40.15, -3.75], [40.25, -4.0], [40.15, -4.25], [40.25, -4.5], [40.03, -5.03], [39.5, -5.25], [38.97, -5.03], [38.82, -4.68], [38.47, -4.53], [38.25, -4.0], [38.35, -3.75], [38.32, -3.68], [37.97, -3.53], [37.75, -3.0]]]]}, "2016-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.75, -3.0], [37.97, -2.47], [38.32, -2.32], [38.35, -2.25], [38.25, -2.0], [38.46, -1.5], [38.25, -1.0], [38.47, -0.47], [38.82, -0.32], [38.97, 0.03], [39.5, 0.25], [39.75, 0.15], [40.0, 0.25], [40.53, 0.03], [40.68, -0.32], [41.0, -0.46], [41.5, -0.25], [42.03, -0.47], [42.25, -1.0], [42.15, -1.25], [42.25, -1.5], [42.03, -2.03], [41.5, -2.25], [41.25, -2.15], [41.18, -2.18], [41.03, -2.53], [40.68, -2.68], [40.65, -2.75], [40.75, -3.0], [40.53, -3.53], [40.18, -3.68], [40.15, -3.75], [40.25, -4.0], [40.15, -4.25], [40.25, -4.5], [40.03, -5.03], [39.5, -5.25], [38.97, -5.03], [38.82, -4.68], [38.47, -4.53], [38.25, -4.0], [38.35, -3.75], [38.32, -3.68], [37.97, -3.53], [37.75, -3.0]]]]}, "2016-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.75, -3.0], [37.97, -2.47], [38.32, -2.32], [38.35, -2.25], [38.25, -2.0], [38.46, -1.5], [38.25, -1.0], [38.47, -0.47], [38.82, -0.32], [38.97, 0.03], [39.5, 0.25], [39.75, 0.15], [40.0, 0.25], [40.53, 0.03], [40.68, -0.32], [41.0, -0.46], [41.5, -0.25], [42.03, -0.47], [42.25, -1.0], [42.15, -1.25], [42.25, -1.5], [42.03, -2.03], [41.5, -2.25], [41.25, -2.15], [41.18, -2.18], [41.03, -2.53], [40.68, -2.68], [40.65, -2.75], [40.75, -3.0], [40.65, -3.25], [40.75, -3.5], [40.53, -4.03], [40.18, -4.18], [40.15, -4.25], [40.25, -4.5], [40.03, -5.03], [39.5, -5.25], [38.97, -5.03], [38.82, -4.68], [38.47, -4.53], [38.25, -4.0], [38.35, -3.75], [38.32, -3.68], [37.97, -3.53], [37.75, -3.0]]]]}, "2016-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.0, -2.75], [40.53, -2.97], [40.75, -3.5], [40.53, -4.03], [40.13, -4.2], [40.25, -4.5], [40.03, -5.03], [39.5, -5.25], [38.97, -5.03], [38.75, -4.5], [38.97, -3.97], [39.38, -3.8], [39.25, -3.5], [39.47, -2.97], [40.0, -2.75]]], [[[42.03, -0.47], [42.25, -1.0], [42.15, -1.25], [42.25, -1.5], [42.03, -2.03], [41.5, -2.25], [41.25, -2.15], [41.0, -2.25], [40.47, -2.03], [40.25, -1.5], [40.47, -0.97], [40.82, -0.82], [40.97, -0.47], [41.5, -0.25], [42.03, -0.47]]]]}, "2016-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.0, -2.75], [40.53, -2.97], [40.75, -3.5], [40.53, -4.03], [40.13, -4.2], [40.25, -4.5], [40.03, -5.03], [39.5, -5.25], [38.97, -5.03], [38.75, -4.5], [38.97, -3.97], [39.38, -3.8], [39.25, -3.5], [39.47, -2.97], [40.0, -2.75]]], [[[40.47, -2.03], [40.25, -1.5], [40.47, -0.97], [41.0, -0.75], [41.53, -0.97], [41.75, -1.5], [41.53, -2.03], [41.0, -2.25], [40.47, -2.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.115000066937398}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4107514734580582}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.36996905986109, 27.170053346122984, 27.20140318809399, 28.41419716315795, 28.615646890340884, 28.25604915150484, 27.645019709808253, 27.135909273359744]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.581558683890478, 27.340467058309798, 27.42207340131057, 29.74464226537617, 29.75590378209739, 29.50402647853008, 28.432913486722725, 27.754922596232575]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1718478499252711, 1.0244262466733745, 1.0079893065040153, 1.4460964148045632, 1.6747596245616896, 1.390232186151001, 1.1513526477043343, 1.0389749349718234]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.276002986868491, 1.1258473566338125, 1.0774035399843456, 1.7095561956502934, 2.115000066937398, 1.6941354432649405, 1.2993068463185296, 1.0908329189737742]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.748025535516131, 1.5261644205081881, 1.4570938947933392, 1.5793789643580185, 1.8364064450203295, 1.513843778133586, 1.4324579291152646, 1.3819197630558753]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.87960309412774, 1.5726218898740987, 1.6488484189958665, 1.863642001210441, 2.305873056460323, 1.7401890120921322, 1.5074690792443344, 1.4879292567763556]}}