{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:29.950073", "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-May-19_to_2014-May-21_260.0_35.5"}, "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": 2014050002343}, "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": "May 19 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 21 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": 52762.234775952944}, "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": 35.5}, "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": 260.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "260.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 258.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 260.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-102.15, 35.25], [-102.25, 35.5], [-102.15, 35.75], [-102.25, 36.0], [-102.03, 36.53], [-101.68, 36.68], [-101.53, 37.03], [-101.0, 37.25], [-100.75, 37.15], [-100.5, 37.25], [-100.25, 37.15], [-100.18, 37.18], [-100.15, 37.25], [-100.25, 37.5], [-100.03, 38.03], [-99.5, 38.25], [-98.97, 38.03], [-98.75, 37.5], [-98.85, 37.25], [-98.75, 37.0], [-98.97, 36.47], [-99.32, 36.32], [-99.35, 36.25], [-99.25, 36.0], [-99.35, 35.75], [-99.25, 35.5], [-99.35, 35.25], [-99.25, 35.0], [-99.35, 34.75], [-99.25, 34.5], [-99.47, 33.97], [-100.0, 33.75], [-100.25, 33.85], [-100.5, 33.75], [-100.75, 33.85], [-101.0, 33.75], [-101.25, 33.85], [-101.5, 33.75], [-102.03, 33.97], [-102.25, 34.5], [-102.15, 34.75], [-102.25, 35.0], [-102.15, 35.25]]]]}, "2014-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-102.15, 35.25], [-102.25, 35.5], [-102.15, 35.75], [-102.25, 36.0], [-102.03, 36.53], [-101.68, 36.68], [-101.53, 37.03], [-101.0, 37.25], [-100.75, 37.15], [-100.5, 37.25], [-100.25, 37.15], [-100.18, 37.18], [-100.15, 37.25], [-100.25, 37.5], [-100.03, 38.03], [-99.5, 38.25], [-98.97, 38.03], [-98.75, 37.5], [-98.85, 37.25], [-98.75, 37.0], [-98.97, 36.47], [-99.32, 36.32], [-99.35, 36.25], [-99.25, 36.0], [-99.35, 35.75], [-99.25, 35.5], [-99.35, 35.25], [-99.25, 35.0], [-99.35, 34.75], [-99.25, 34.5], [-99.47, 33.97], [-100.0, 33.75], [-100.25, 33.85], [-100.5, 33.75], [-100.75, 33.85], [-101.0, 33.75], [-101.25, 33.85], [-101.5, 33.75], [-102.03, 33.97], [-102.25, 34.5], [-102.15, 34.75], [-102.25, 35.0], [-102.15, 35.25]]]]}, "2014-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-102.15, 35.25], [-102.25, 35.5], [-102.15, 35.75], [-102.25, 36.0], [-102.03, 36.53], [-101.68, 36.68], [-101.53, 37.03], [-101.0, 37.25], [-100.75, 37.15], [-100.5, 37.25], [-100.25, 37.15], [-100.18, 37.18], [-100.15, 37.25], [-100.25, 37.5], [-100.03, 38.03], [-99.5, 38.25], [-98.97, 38.03], [-98.75, 37.5], [-98.85, 37.25], [-98.75, 37.0], [-98.97, 36.47], [-99.32, 36.32], [-99.35, 36.25], [-99.25, 36.0], [-99.35, 35.75], [-99.25, 35.5], [-99.35, 35.25], [-99.25, 35.0], [-99.35, 34.75], [-99.25, 34.5], [-99.47, 33.97], [-100.0, 33.75], [-100.25, 33.85], [-100.5, 33.75], [-100.75, 33.85], [-101.0, 33.75], [-101.25, 33.85], [-101.5, 33.75], [-102.03, 33.97], [-102.25, 34.5], [-102.15, 34.75], [-102.25, 35.0], [-102.15, 35.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.672275551096448}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.9104657485912275}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.0191874004866, 28.375584109732017, 27.798362681037077]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.367933716356163, 30.720756587198593, 30.056581448724558]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.5090498581658025, 7.509300324183796, 6.713047063424085]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.593820094606031, 8.672275551096448, 7.796883700873423]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.613936644494142, 1.9097233867888892, 1.6498475008081221]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8715712184256104, 2.286642056099686, 1.9108516416999661]}}