{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:39.300241", "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": "2013-Feb-04_to_2013-Feb-08_12.5_-3.5"}, "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": 2013020001315}, "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": "February 04 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 08 2013"}, "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": 95708.45463587879}, "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": ["Congo", "Gabon"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": ["South 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": -3.5}, "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": 12.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "12.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 13.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.03, -4.03], [12.5, -4.25], [11.97, -4.03], [11.75, -3.5], [11.97, -2.97], [12.5, -2.75], [13.03, -2.97], [13.25, -3.5], [13.03, -4.03]]], [[[11.97, -1.47], [12.5, -1.25], [12.75, -1.35], [12.82, -1.32], [12.97, -0.97], [13.5, -0.75], [14.03, -0.97], [14.25, -1.5], [14.03, -2.03], [13.68, -2.18], [13.53, -2.53], [13.0, -2.75], [12.75, -2.65], [12.5, -2.75], [11.97, -2.53], [11.75, -2.0], [11.97, -1.47]]]]}, "2013-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, -2.0], [8.97, -1.47], [9.32, -1.32], [9.47, -0.97], [9.82, -0.82], [9.97, -0.47], [10.5, -0.25], [11.03, -0.47], [11.18, -0.82], [11.53, -0.97], [11.75, -1.5], [11.57, -1.93], [11.82, -1.82], [11.97, -1.47], [12.5, -1.25], [12.75, -1.35], [12.82, -1.32], [12.97, -0.97], [13.5, -0.75], [14.03, -0.97], [14.25, -1.5], [14.03, -2.03], [13.68, -2.18], [13.65, -2.25], [13.75, -2.5], [13.53, -3.03], [13.18, -3.18], [13.15, -3.25], [13.25, -3.5], [13.04, -4.0], [13.25, -4.5], [13.03, -5.03], [12.5, -5.25], [11.97, -5.03], [11.75, -4.5], [11.96, -4.0], [11.82, -3.68], [11.5, -3.54], [11.0, -3.75], [10.75, -3.65], [10.5, -3.75], [9.97, -3.53], [9.82, -3.18], [9.47, -3.03], [9.32, -2.68], [8.97, -2.53], [8.75, -2.0]], [[11.43, -2.07], [11.18, -2.18], [11.15, -2.25], [11.18, -2.32], [11.3, -2.37], [11.43, -2.07]]]]}, "2013-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.75, -2.0], [8.97, -1.47], [9.32, -1.32], [9.47, -0.97], [9.82, -0.82], [9.97, -0.47], [10.5, -0.25], [11.03, -0.47], [11.18, -0.82], [11.53, -0.97], [11.75, -1.5], [11.65, -1.75], [11.68, -1.82], [11.75, -1.85], [11.82, -1.82], [11.97, -1.47], [12.5, -1.25], [12.75, -1.35], [12.82, -1.32], [12.97, -0.97], [13.5, -0.75], [14.03, -0.97], [14.25, -1.5], [14.03, -2.03], [13.68, -2.18], [13.65, -2.25], [13.75, -2.5], [13.53, -3.03], [13.18, -3.18], [13.15, -3.25], [13.25, -3.5], [13.04, -4.0], [13.25, -4.5], [13.03, -5.03], [12.5, -5.25], [12.25, -5.15], [12.0, -5.25], [11.47, -5.03], [11.32, -4.68], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.32, -3.68], 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standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.592233918384742, 2.025701019702377, 2.397852396876081, 2.496187056774493, 2.50209457644894]}}