{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:12.719661", "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-Jan-20_to_2022-Jan-29_273.0_15.0"}, "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": 2022010002387}, "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 20 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 29 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 83247.00452198603}, "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": ["Belize", "Guatemala", "Honduras", "Mexico", "Nicaragua"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America", "America", "America", "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": ["Caribbean Sea"]}, "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": 15.0}, "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": 273.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "273.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 270.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 274.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-89.03, 14.97], [-89.18, 15.32], [-89.53, 15.47], [-89.75, 16.0], [-89.65, 16.25], [-89.75, 16.5], [-89.62, 16.8], 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"value": ["S.Central-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-01-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.75, 13.5], [-87.52999999999997, 14.03], [-87.18, 14.18], [-87.12, 14.3], [-87.52999999999997, 14.47], [-87.75, 15.0], [-87.52999999999997, 15.53], [-87.0, 15.75], [-86.47000000000003, 15.53], [-86.30000000000001, 15.12], [-86.0, 15.25], [-85.75, 15.15], [-85.5, 15.25], [-84.97000000000003, 15.03], [-84.75, 14.5], [-84.97000000000003, 13.97], [-85.32, 13.82], [-85.47000000000003, 13.47], [-86.0, 13.25], [-86.25, 13.35], [-86.32, 13.32], [-86.35000000000002, 13.25], [-86.25, 13.0], [-86.47000000000003, 12.47], [-87.0, 12.25], [-87.52999999999997, 12.47], [-87.75, 13.0], [-87.64999999999998, 13.25], [-87.75, 13.5]]]]}, "2022-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.02999999999997, 13.47], [-88.25, 14.0], 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