{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:20.336559", "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-Jun-17_to_2022-Jun-23_262.0_20.5"}, "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": 2022060000704}, "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 17 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 57817.2180824743}, "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": ["Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America", "S.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Gulf of Mexico"]}, "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": 20.5}, "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": 262.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "262.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 260.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 264.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-98.03, 18.97], [-98.25, 19.5], [-98.03, 20.03], [-97.5, 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[-99.5, 22.25], [-98.97, 22.03], [-98.82, 21.68], [-98.47, 21.53], [-98.3, 21.12], [-98.0, 21.25], [-97.57, 21.07], [-97.75, 21.5], [-97.53, 22.03], [-97.0, 22.25], [-96.75, 22.15], [-96.5, 22.25], [-95.97, 22.03], [-95.82, 21.68], [-95.47, 21.53], [-95.25, 21.0], [-95.47, 20.47], [-95.82, 20.32], [-95.97, 19.97], [-96.32, 19.82], [-96.35, 19.75], [-96.25, 19.5], [-96.47, 18.97], [-97.0, 18.75], [-97.25, 18.85], [-97.5, 18.75], [-98.03, 18.97], [-98.18, 19.32], [-98.53, 19.47], [-98.7, 19.88], [-99.0, 19.75], [-99.53, 19.97], [-99.75, 20.5], [-99.65, 20.75], [-99.68, 20.82], [-100.03, 20.97], [-100.25, 21.5]], [[-97.18, 20.68], [-97.15, 20.75], [-97.18, 20.82], [-97.43, 20.93], [-97.32, 20.68], [-97.25, 20.65], [-97.18, 20.68]]]]}, "2022-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-100.25, 21.5], [-100.03, 22.03], [-99.5, 22.25], [-98.97, 22.03], [-98.82, 21.68], [-98.75, 21.65], [-98.5, 21.75], [-98.25, 21.65], [-98.12, 21.7], [-98.25, 22.0], [-98.03, 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