{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:57.028530", "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": "2019-Jun-09_to_2019-Jun-14_356.5_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": 2019060001854}, "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": "June 09 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 14 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 92467.64574356246}, "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": ["Ghana"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Atlantic-Ocean", "Western-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": ["Gulf of Guinea", "North Atlantic 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": 356.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "356.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 353.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 358.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.5, 5.25], [-2.97, 5.03], [-2.82, 4.68], [-2.47, 4.53], [-2.25, 4.0], [-2.47, 3.47], [-3.0, 3.25], [-3.25, 3.35], [-3.5, 3.25], [-3.75, 3.35], [-4.0, 3.25], [-4.53, 3.47], [-4.75, 4.0], [-4.53, 4.53], [-4.18, 4.68], [-4.03, 5.03], [-3.5, 5.25]]]]}, "2019-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.03, 5.03], [-6.5, 5.25], [-6.25, 5.15], [-6.18, 5.18], [-6.03, 5.53], [-5.5, 5.75], [-4.97, 5.53], [-4.82, 5.18], [-4.75, 5.15], [-4.68, 5.18], [-4.53, 5.53], [-4.0, 5.75], [-3.47, 5.53], [-3.32, 5.18], [-3.25, 5.15], [-3.0, 5.25], [-2.75, 5.15], [-2.5, 5.25], [-1.97, 5.03], [-1.75, 4.5], [-1.85, 4.25], [-1.82, 4.18], [-1.47, 4.03], [-1.25, 3.5], [-1.47, 2.97], [-2.0, 2.75], [-2.25, 2.85], [-2.5, 2.75], [-3.03, 2.97], [-3.18, 3.32], [-3.25, 3.35], [-3.5, 3.25], [-3.75, 3.35], [-4.0, 3.25], [-4.25, 3.35], [-4.32, 3.32], [-4.47, 2.97], [-5.0, 2.75], [-5.25, 2.85], [-5.5, 2.75], [-6.03, 2.97], [-6.18, 3.32], [-6.25, 3.35], [-6.5, 3.25], [-7.03, 3.47], [-7.25, 4.0], [-7.15, 4.25], [-7.25, 4.5], [-7.03, 5.03]]]]}, "2019-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.03, 5.03], [-6.5, 5.25], [-6.25, 5.15], [-6.18, 5.18], [-6.03, 5.53], [-5.5, 5.75], [-5.0, 5.54], [-4.5, 5.75], [-4.25, 5.65], [-4.0, 5.75], [-3.75, 5.65], [-3.5, 5.75], [-3.25, 5.65], [-3.0, 5.75], [-2.75, 5.65], [-2.5, 5.75], [-2.25, 5.65], [-2.0, 5.75], [-1.47, 5.53], [-1.25, 5.0], [-1.47, 4.47], [-1.82, 4.32], [-1.85, 4.25], [-1.82, 4.18], [-1.47, 4.03], [-1.25, 3.5], [-1.47, 2.97], [-2.0, 2.75], [-2.25, 2.85], [-2.5, 2.75], [-3.0, 2.96], [-3.5, 2.75], [-4.03, 2.97], [-4.18, 3.32], [-4.25, 3.35], [-4.32, 3.32], [-4.47, 2.97], [-5.0, 2.75], [-5.25, 2.85], [-5.5, 2.75], [-6.03, 2.97], [-6.18, 3.32], [-6.25, 3.35], [-6.5, 3.25], [-7.03, 3.47], [-7.25, 4.0], [-7.15, 4.25], [-7.25, 4.5], [-7.03, 5.03]]]]}, "2019-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-7.03, 5.03], [-6.5, 5.25], [-6.25, 5.15], [-6.18, 5.18], [-6.03, 5.53], [-5.5, 5.75], [-5.0, 5.54], [-4.5, 5.75], [-4.25, 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"The daily evolution of mean standardized t2m anomalies.", "value": [1.4164251748032108, 1.579231184479464, 1.753618372164065, 1.789764684569254, 2.0746396192440684, 1.3976035820957018]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5324590627897543, 1.8821003204722742, 2.2481051035793933, 2.1644085766219354, 2.6418732736215667, 1.4382137341813273]}}