{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:51.858983", "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": "2022-Oct-08_to_2022-Oct-13_282.0_24.5"}, "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": 2022100001770}, "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": "October 08 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 13 2022"}, "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": 78749.81292032682}, "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": ["Bahamas"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America"]}, "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": ["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": 24.5}, "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": 282.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "282.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 282.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 286.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-74.97, 22.97], [-75.32, 22.82], [-75.47, 22.47], [-76.0, 22.25], [-76.25, 22.35], [-76.5, 22.25], [-77.03, 22.47], 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"polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.5, 22.75], [-76.02999999999997, 22.97], [-76.25, 23.5], [-76.02999999999997, 24.03], [-75.5, 24.25], [-74.97000000000003, 24.03], [-74.75, 23.5], [-74.97000000000003, 22.97], [-75.5, 22.75]]], [[[-75.52999999999997, 24.97], [-75.75, 25.5], [-75.52999999999997, 26.03], [-75.0, 26.25], [-74.75, 26.15], [-74.5, 26.25], [-74.25, 26.15], [-74.0, 26.25], [-73.75, 26.15], [-73.5, 26.25], [-72.97000000000003, 26.03], [-72.75, 25.5], [-72.97000000000003, 24.97], [-73.5, 24.75], [-73.75, 24.85], [-74.0, 24.75], [-74.25, 24.85], [-74.5, 24.75], [-74.75, 24.85], [-75.0, 24.75], [-75.52999999999997, 24.97]]]]}, "2022-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.0, 23.75], [-78.52999999999997, 23.97], [-78.75, 24.5], [-78.52999999999997, 25.03], [-78.0, 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"description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4177860428928013, 1.5206427611237474, 1.5064563057675457, 1.57623357852002, 1.4105955203732203, 1.6721241467009076]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5418866005133367, 1.8145036991016679, 1.7001539366925296, 1.9452339030722725, 1.9190328045853504, 1.7352851380097363]}}