{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:01:50.353406", "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-Nov-28_to_2014-Nov-30_257.0_38.5"}, "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": 2014110002665}, "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": "November 28 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 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": "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": 72335.4201012799}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-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": []}, "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": 38.5}, "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": 257.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "257.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 254.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 258.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "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": {"2014-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.53, 34.47], [-105.75, 35.0], [-105.53, 35.53], [-105.0, 35.75], [-104.75, 35.65], [-104.5, 35.75], [-104.25, 35.65], [-104.0, 35.75], [-104.53, 35.97], [-104.68, 36.32], [-105.03, 36.47], [-105.25, 37.0], [-105.03, 37.53], [-104.5, 37.75], [-104.25, 37.65], [-104.18, 37.68], [-104.15, 37.75], [-104.25, 38.0], [-104.03, 38.53], [-103.68, 38.68], [-103.53, 39.03], [-103.0, 39.25], [-102.47, 39.03], [-102.25, 38.5], [-102.37, 38.2], [-101.97, 38.03], [-101.75, 37.5], [-101.85, 37.25], [-101.82, 37.18], [-101.75, 37.15], [-101.5, 37.25], [-100.97, 37.03], [-100.75, 36.5], [-100.85, 36.25], [-100.75, 36.0], [-100.85, 35.75], [-100.75, 35.5], [-100.85, 35.25], [-100.75, 35.0], [-100.97, 34.47], [-101.5, 34.25], [-101.75, 34.35], [-102.0, 34.25], [-102.25, 34.35], [-102.5, 34.25], [-102.75, 34.35], [-103.0, 34.25], [-103.25, 34.35], [-103.5, 34.25], [-103.75, 34.35], [-104.0, 34.25], [-104.25, 34.35], [-104.5, 34.25], [-104.75, 34.35], [-105.0, 34.25], [-105.53, 34.47]], [[-103.75, 35.65], [-103.62, 35.7], [-103.68, 35.82], [-103.75, 35.85], [-104.0, 35.75], [-103.75, 35.65]]]]}, "2014-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.53, 34.47], [-105.75, 35.0], [-105.53, 35.53], [-105.0, 35.75], [-104.75, 35.65], [-104.5, 35.75], [-104.25, 35.65], [-104.0, 35.75], [-104.53, 35.97], [-104.68, 36.32], [-105.03, 36.47], [-105.25, 37.0], [-105.03, 37.53], [-104.5, 37.75], [-104.25, 37.65], [-104.18, 37.68], [-104.15, 37.75], [-104.25, 38.0], [-104.03, 38.53], [-103.68, 38.68], [-103.53, 39.03], [-103.0, 39.25], [-102.47, 39.03], [-102.25, 38.5], [-102.37, 38.2], [-101.97, 38.03], [-101.75, 37.5], [-101.85, 37.25], [-101.82, 37.18], [-101.75, 37.15], [-101.5, 37.25], [-100.97, 37.03], [-100.75, 36.5], [-100.85, 36.25], [-100.75, 36.0], [-100.85, 35.75], [-100.75, 35.5], [-100.85, 35.25], [-100.75, 35.0], [-100.97, 34.47], [-101.5, 34.25], [-101.75, 34.35], [-102.0, 34.25], [-102.25, 34.35], [-102.5, 34.25], [-102.75, 34.35], [-103.0, 34.25], [-103.25, 34.35], [-103.5, 34.25], [-103.75, 34.35], [-104.0, 34.25], [-104.25, 34.35], [-104.5, 34.25], [-104.75, 34.35], [-105.0, 34.25], [-105.53, 34.47]], [[-103.75, 35.65], [-103.62, 35.7], [-103.68, 35.82], [-103.75, 35.85], [-104.0, 35.75], [-103.75, 35.65]]]]}, "2014-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-105.53, 34.47], [-105.75, 35.0], [-105.53, 35.53], [-105.0, 35.75], [-104.75, 35.65], [-104.5, 35.75], [-104.25, 35.65], [-104.0, 35.75], [-104.53, 35.97], [-104.68, 36.32], [-105.03, 36.47], [-105.25, 37.0], [-105.03, 37.53], [-104.5, 37.75], [-104.25, 37.65], [-104.18, 37.68], [-104.15, 37.75], [-104.25, 38.0], [-104.03, 38.53], [-103.68, 38.68], [-103.53, 39.03], [-103.0, 39.25], [-102.47, 39.03], [-102.25, 38.5], [-102.37, 38.2], [-101.97, 38.03], [-101.75, 37.5], [-101.85, 37.25], [-101.82, 37.18], [-101.75, 37.15], [-101.5, 37.25], [-100.97, 37.03], [-100.75, 36.5], [-100.85, 36.25], [-100.75, 36.0], [-100.85, 35.75], [-100.75, 35.5], [-100.85, 35.25], [-100.75, 35.0], [-100.97, 34.47], [-101.5, 34.25], [-101.75, 34.35], [-102.0, 34.25], [-102.25, 34.35], [-102.5, 34.25], [-102.75, 34.35], [-103.0, 34.25], [-103.25, 34.35], [-103.5, 34.25], [-103.75, 34.35], [-104.0, 34.25], [-104.25, 34.35], [-104.5, 34.25], [-104.75, 34.35], [-105.0, 34.25], [-105.53, 34.47]], [[-103.75, 35.65], [-103.62, 35.7], [-103.68, 35.82], [-103.75, 35.85], [-104.0, 35.75], [-103.75, 35.65]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 13.161808615397376}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.679813716840744}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.657274241091272, 14.50578391408618, 12.012330206641025]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.330624761647414, 17.364297272068995, 16.16984099331654]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.601433549608888, 10.427088962048744, 8.010918638864597]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.948536594725226, 13.161808615397376, 10.483097318976661]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5808020833569625, 2.1795235869438394, 1.659682903858844]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.211300311494387, 2.7393280351655167, 2.1005272220793474]}}