{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:34.757073", "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-Jan-28_to_2013-Feb-02_1.5_33.0"}, "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": 2013010002522}, "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": "January 28 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2013"}, "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": 80446.4945394453}, "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": ["Algeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "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": 33.0}, "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": 1.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "1.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 0.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 5.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.5, 33.75], [2.03, 33.53], [2.25, 33.0], [2.03, 32.47], [1.5, 32.25], [0.97, 32.47], [0.75, 33.0], [0.97, 33.53], [1.5, 33.75]]]]}, "2013-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.5, 33.75], [2.03, 33.53], [2.25, 33.0], [2.03, 32.47], [1.5, 32.25], [0.97, 32.47], [0.75, 33.0], [0.97, 33.53], [1.5, 33.75]]]]}, "2013-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.47, 34.03], [0.82, 34.18], [0.97, 34.53], [1.5, 34.75], [2.03, 34.53], [2.2, 34.13], [2.5, 34.25], [2.75, 34.15], [3.0, 34.25], [3.53, 34.03], [3.75, 33.5], [3.53, 32.97], [3.0, 32.75], [2.75, 32.85], [2.5, 32.75], [2.2, 32.88], [2.03, 32.47], [1.5, 32.25], [0.97, 32.47], [0.82, 32.82], [0.47, 32.97], [0.25, 33.5], [0.47, 34.03]]], [[[3.97, 34.53], [4.5, 34.75], [5.03, 34.53], [5.25, 34.0], [5.15, 33.75], [5.25, 33.5], [5.03, 32.97], [4.5, 32.75], [3.97, 32.97], [3.75, 33.5], [3.85, 33.75], [3.75, 34.0], [3.97, 34.53]]]]}, "2013-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[0.47, 34.03], [0.82, 34.18], [0.97, 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1.3715122042415533, 1.4444929783717173, 2.1041322713665602, 1.6435972977517581, 1.8702403013092626]}}