{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:03.050207", "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": "2015-Oct-10_to_2015-Oct-12_257.0_46.0"}, "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": 2015100001457}, "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": "October 10 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 12 2015"}, "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": 59427.417515315945}, "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": 46.0}, "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": 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": 256.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 261.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.75, 46.0], [-103.53, 46.53], [-103.0, 46.75], [-102.47, 46.53], [-102.32, 46.18], [-102.0, 46.04], [-101.5, 46.25], [-101.25, 46.15], [-101.0, 46.25], [-100.75, 46.15], [-100.5, 46.25], [-99.97, 46.03], [-99.82, 45.68], [-99.5, 45.54], [-99.0, 45.75], [-98.75, 45.65], [-98.5, 45.75], [-97.97, 45.53], [-97.75, 45.0], [-97.97, 44.47], [-98.32, 44.32], [-98.46, 44.0], [-98.25, 43.5], [-98.47, 42.97], [-98.82, 42.82], [-98.97, 42.47], [-99.5, 42.25], [-99.75, 42.35], [-100.0, 42.25], [-100.53, 42.47], [-100.75, 43.0], [-100.62, 43.3], [-100.75, 43.35], [-101.0, 43.25], [-101.53, 43.47], [-101.68, 43.82], [-102.03, 43.97], [-102.18, 44.32], [-102.25, 44.35], [-102.5, 44.25], [-103.03, 44.47], [-103.25, 45.0], [-103.15, 45.25], [-103.18, 45.32], [-103.53, 45.47], [-103.75, 46.0]]]]}, "2015-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.75, 46.0], [-103.53, 46.53], [-103.0, 46.75], [-102.47, 46.53], [-102.32, 46.18], [-102.0, 46.04], [-101.5, 46.25], [-101.25, 46.15], [-101.0, 46.25], [-100.75, 46.15], [-100.5, 46.25], [-99.97, 46.03], [-99.82, 45.68], [-99.5, 45.54], [-99.0, 45.75], [-98.75, 45.65], [-98.5, 45.75], [-97.97, 45.53], [-97.75, 45.0], [-97.97, 44.47], [-98.32, 44.32], [-98.46, 44.0], [-98.25, 43.5], [-98.47, 42.97], [-98.82, 42.82], [-98.97, 42.47], [-99.5, 42.25], [-99.75, 42.35], [-100.0, 42.25], [-100.53, 42.47], [-100.75, 43.0], [-100.62, 43.3], [-100.75, 43.35], [-101.0, 43.25], [-101.53, 43.47], [-101.68, 43.82], [-102.03, 43.97], [-102.18, 44.32], [-102.25, 44.35], [-102.5, 44.25], [-103.03, 44.47], [-103.25, 45.0], [-103.15, 45.25], [-103.18, 45.32], [-103.53, 45.47], [-103.75, 46.0]]]]}, "2015-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-103.75, 46.0], [-103.53, 46.53], [-103.0, 46.75], [-102.47, 46.53], [-102.32, 46.18], [-102.0, 46.04], [-101.5, 46.25], [-101.25, 46.15], [-101.0, 46.25], [-100.75, 46.15], [-100.5, 46.25], [-99.97, 46.03], [-99.82, 45.68], [-99.5, 45.54], [-99.0, 45.75], [-98.75, 45.65], [-98.5, 45.75], [-97.97, 45.53], [-97.75, 45.0], [-97.97, 44.47], [-98.32, 44.32], [-98.46, 44.0], [-98.25, 43.5], [-98.47, 42.97], [-98.82, 42.82], [-98.97, 42.47], [-99.5, 42.25], [-99.75, 42.35], [-100.0, 42.25], [-100.53, 42.47], [-100.75, 43.0], [-100.62, 43.3], [-100.75, 43.35], [-101.0, 43.25], [-101.53, 43.47], [-101.68, 43.82], [-102.03, 43.97], [-102.18, 44.32], [-102.25, 44.35], [-102.5, 44.25], [-103.03, 44.47], [-103.25, 45.0], [-103.15, 45.25], [-103.18, 45.32], [-103.53, 45.47], [-103.75, 46.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.617485353191682}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.4200681059766715}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.976609367527146, 18.74394962642191, 15.539561998351928]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.046709100215196, 20.885885615483687, 16.675396278099754]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.6053956120593105, 8.761075106700716, 5.893733599169985]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.617485353191682, 10.221857696800782, 6.149700085147629]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5123765639436992, 1.8134924555823186, 1.2688376903805123]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1266148788896735, 2.07881583235101, 1.35667907622658]}}