{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:53.867713", "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": "2014-Jul-28_to_2014-Jul-30_48.0_37.5"}, "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": 2014070001257}, "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": "July 28 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 30 2014"}, "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": 56837.7383654903}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 37.5}, "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": 48.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "48.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 51.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 37.5], [45.97, 38.03], [46.5, 38.25], [46.75, 38.15], [46.82, 38.18], [46.97, 38.53], [47.32, 38.68], [47.47, 39.03], [48.0, 39.25], [48.53, 39.03], [48.68, 38.68], [49.03, 38.53], [49.25, 38.0], [49.15, 37.75], [49.25, 37.5], [49.15, 37.25], [49.18, 37.18], [49.5, 37.04], [50.0, 37.25], [50.53, 37.03], [50.75, 36.5], [50.65, 36.25], [50.68, 36.18], [50.75, 36.15], [51.0, 36.25], [51.53, 36.03], [51.75, 35.5], [51.53, 34.97], [51.0, 34.75], [50.75, 34.85], [50.5, 34.75], [49.97, 34.97], [49.82, 35.32], [49.75, 35.35], [49.5, 35.25], [49.25, 35.35], [49.0, 35.25], [48.75, 35.35], [48.5, 35.25], [47.97, 35.47], [47.82, 35.82], [47.47, 35.97], [47.32, 36.32], [47.25, 36.35], [47.0, 36.25], [46.47, 36.47], [46.32, 36.82], [45.97, 36.97], [45.75, 37.5]]]]}, "2014-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 37.5], [45.97, 38.03], [46.5, 38.25], [46.75, 38.15], [46.82, 38.18], [46.97, 38.53], [47.32, 38.68], [47.47, 39.03], [48.0, 39.25], [48.53, 39.03], [48.68, 38.68], [49.03, 38.53], [49.25, 38.0], [49.15, 37.75], [49.25, 37.5], [49.15, 37.25], [49.18, 37.18], [49.5, 37.04], [50.0, 37.25], [50.53, 37.03], [50.75, 36.5], [50.65, 36.25], [50.68, 36.18], [50.75, 36.15], [51.0, 36.25], [51.53, 36.03], [51.75, 35.5], [51.53, 34.97], [51.0, 34.75], [50.75, 34.85], [50.5, 34.75], [49.97, 34.97], [49.82, 35.32], [49.75, 35.35], [49.5, 35.25], [49.25, 35.35], [49.0, 35.25], [48.75, 35.35], [48.5, 35.25], [47.97, 35.47], [47.82, 35.82], [47.47, 35.97], [47.32, 36.32], [47.25, 36.35], [47.0, 36.25], [46.47, 36.47], [46.32, 36.82], [45.97, 36.97], [45.75, 37.5]]]]}, "2014-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.75, 37.5], [45.97, 38.03], [46.5, 38.25], [46.75, 38.15], [46.82, 38.18], [46.97, 38.53], [47.32, 38.68], [47.47, 39.03], [48.0, 39.25], [48.53, 39.03], [48.68, 38.68], [49.03, 38.53], [49.25, 38.0], [49.15, 37.75], [49.25, 37.5], [49.15, 37.25], [49.18, 37.18], [49.5, 37.04], [50.0, 37.25], [50.53, 37.03], [50.75, 36.5], [50.65, 36.25], [50.68, 36.18], [50.75, 36.15], [51.0, 36.25], [51.53, 36.03], [51.75, 35.5], [51.53, 34.97], [51.0, 34.75], [50.75, 34.85], [50.5, 34.75], [49.97, 34.97], [49.82, 35.32], [49.75, 35.35], [49.5, 35.25], [49.25, 35.35], [49.0, 35.25], [48.75, 35.35], [48.5, 35.25], [47.97, 35.47], [47.82, 35.82], [47.47, 35.97], [47.32, 36.32], [47.25, 36.35], [47.0, 36.25], [46.47, 36.47], [46.32, 36.82], [45.97, 36.97], [45.75, 37.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.788291782034094}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.009286009759836}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.699894862206634, 18.369843137844327, 19.469537680496558]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.20475730000527, 13.37828803704764, 14.558732344605744]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.4790159671940257, -4.805053071266815, -3.7437889908186657]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.494933519485755, -5.788291782034094, -4.402924598538448]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5176666775305925, -2.1126189547193963, -1.6340973730194552]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.831437064543257, -2.380992329197487, -1.9128661250998265]}}