{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:58.866669", "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-Mar-16_to_2014-Mar-20_43.0_0.5"}, "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": 2014030001941}, "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": "March 16 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 20 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": 114297.86260135726}, "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": ["Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "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": 0.5}, "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": 43.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "43.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 44.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.5, 1.75], [44.03, 1.53], [44.25, 1.0], [44.03, 0.47], [43.68, 0.32], [43.53, -0.03], [43.0, -0.25], [42.47, -0.03], [42.25, 0.5], [42.47, 1.03], [42.82, 1.18], [42.97, 1.53], [43.5, 1.75]]]]}, "2014-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.35, 2.75], [42.25, 3.0], [42.47, 3.53], [43.0, 3.75], [43.25, 3.65], [43.5, 3.75], [44.0, 3.54], [44.5, 3.75], [45.03, 3.53], [45.25, 3.0], [45.15, 2.75], [45.25, 2.5], [45.03, 1.97], [44.68, 1.82], [44.65, 1.75], [44.75, 1.5], [44.53, 0.97], [44.18, 0.82], [44.03, 0.47], [43.68, 0.32], [43.53, -0.03], [43.0, -0.25], [42.47, -0.03], [42.25, 0.5], [42.47, 1.03], [42.82, 1.18], [42.88, 1.3], [42.47, 1.47], [42.25, 2.0], [42.35, 2.25], [42.25, 2.5], [42.35, 2.75]]]]}, "2014-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.35, 1.25], [40.25, 1.5], [40.47, 2.03], [40.82, 2.18], [40.97, 2.53], [41.32, 2.68], [41.35, 2.75], [41.25, 3.0], [41.47, 3.53], [41.82, 3.68], [41.97, 4.03], [42.5, 4.25], [42.75, 4.15], [43.0, 4.25], [43.53, 4.03], [43.68, 3.68], [44.0, 3.54], [44.5, 3.75], [45.03, 3.53], [45.25, 3.0], [45.15, 2.75], [45.25, 2.5], [45.03, 1.97], [44.68, 1.82], [44.65, 1.75], [44.75, 1.5], [44.53, 0.97], [44.18, 0.82], [44.03, 0.47], [43.68, 0.32], [43.53, -0.03], [43.0, -0.25], [42.75, -0.15], [42.68, -0.18], [42.53, -0.53], [42.0, -0.75], [41.47, -0.53], [41.32, -0.18], [41.25, -0.15], [41.0, -0.25], [40.47, -0.03], [40.25, 0.5], [40.35, 0.75], [40.25, 1.0], [40.35, 1.25]]]]}, "2014-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.35, 1.25], [40.25, 1.5], [40.47, 2.03], [40.82, 2.18], [40.97, 2.53], [41.32, 2.68], [41.35, 2.75], [41.25, 3.0], [41.47, 3.53], [41.82, 3.68], [41.97, 4.03], [42.5, 4.25], [42.75, 4.15], [43.0, 4.25], [43.53, 4.03], [43.68, 3.68], [44.0, 3.54], [44.5, 3.75], [45.03, 3.53], [45.25, 3.0], [45.15, 2.75], [45.25, 2.5], [45.03, 1.97], [44.68, 1.82], [44.65, 1.75], [44.75, 1.5], [44.53, 0.97], [44.18, 0.82], [44.03, 0.47], [43.68, 0.32], [43.53, -0.03], [43.0, -0.25], [42.75, -0.15], 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t2m anomaly recorded over entire duration", "value": 2.202439810069052}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.508276092418396}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.965752245882754, 30.640530097738747, 31.9281697598891, 31.7585908561569, 31.903387627072505]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.179975271575017, 31.390115852863005, 34.06488301302949, 33.79944008366425, 33.65077102992586]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.439863820886245, 1.262999955414815, 1.6528380296473262, 1.4599254096885836, 1.50138191323144]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": 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