{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:14:01.737168", "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": "2020-Jun-20_to_2020-Jun-22_46.5_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": 2020060000674}, "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 20 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 22 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 50815.878641212796}, "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": ["Iran, Islamic Republic of", "Iraq"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia"]}, "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": 46.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "46.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 44.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 47.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[43.47, 37.03], [44.0, 37.25], [44.53, 37.03], [44.677, 36.677], [44.75, 36.646], [45.0, 36.75], [45.25, 36.646], [45.5, 36.75], [46.03, 36.53], [46.25, 36.0], [46.146, 35.75], [46.177, 35.677], [46.53, 35.53], [46.75, 35.0], [46.646, 34.75], [46.75, 34.5], [46.543, 34.0], [46.677, 33.677], [47.03, 33.53], [47.177, 33.177], [47.53, 33.03], [47.75, 32.5], [47.53, 31.97], [47.0, 31.75], [46.47, 31.97], [46.323, 32.323], [46.25, 32.354], [46.0, 32.25], [45.47, 32.47], [45.323, 32.823], [44.97, 32.97], [44.823, 33.323], [44.47, 33.47], [44.25, 34.0], [44.354, 34.25], [44.25, 34.5], [44.375, 34.802], [43.97, 34.97], [43.823, 35.323], [43.47, 35.47], [43.25, 36.0], [43.354, 36.25], [43.25, 36.5], [43.47, 37.03]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-20T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[43.35355339059328, 36.25], [43.25, 36.5], [43.46966991411009, 37.03033008588991], [44.0, 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"value": [-3.3454712916943095, -4.226568141739335, -3.2061225045366086]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.518933778298892, -1.988627537882086, -1.448052057942969]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7256084262790599, -2.5162289523571286, -1.742451040354585]}}