{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:39.226795", "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": "2011-Jan-14_to_2011-Jan-17_293.0_-17.0"}, "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": 2011010002139}, "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": "January 14 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 17 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 50224.840359359405}, "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": ["Bolivia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": -17.0}, "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": 293.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.53, -15.47], [-68.0, -15.25], [-67.47, -15.47], [-67.25, -16.0], [-67.35, -16.25], [-67.32, -16.32], [-67.25, -16.35], [-67.0, -16.25], [-66.47, -16.47], [-66.25, -17.0], [-66.47, -17.53], [-67.0, -17.75], [-67.25, -17.65], [-67.5, -17.75], [-68.03, -17.53], [-68.18, -17.18], [-68.53, -17.03], [-68.75, -16.5], [-68.65, -16.25], [-68.75, -16.0], [-68.53, -15.47]]]]}, "2011-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.65, -16.25], [-68.75, -16.0], [-68.53, -15.47], [-68.0, -15.25], [-67.75, -15.35], [-67.5, -15.25], [-66.97, -15.47], [-66.82, -15.82], [-66.75, -15.85], [-66.5, -15.75], [-65.97, -15.97], [-65.82, -16.32], [-65.47, -16.47], [-65.32, -16.82], [-65.25, -16.85], [-65.0, -16.75], [-64.47, -16.97], [-64.32, -17.32], [-64.25, -17.35], [-64.0, -17.25], [-63.47, -17.47], [-63.25, -18.0], [-63.35, -18.25], [-63.25, -18.5], [-63.47, -19.03], [-64.0, -19.25], [-64.53, -19.03], [-64.68, -18.68], [-65.03, -18.53], [-65.18, -18.18], [-65.25, -18.15], [-65.5, -18.25], [-66.03, -18.03], [-66.18, -17.68], [-66.3, -17.62], [-66.47, -18.03], [-67.0, -18.25], [-67.25, -18.15], [-67.5, -18.25], [-68.03, -18.03], [-68.18, -17.68], [-68.53, -17.53], [-68.75, -17.0], [-68.65, -16.75], [-68.75, -16.5], [-68.65, -16.25]]]]}, "2011-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.65, -16.25], [-68.75, -16.0], [-68.53, -15.47], [-68.0, -15.25], [-67.75, -15.35], [-67.5, -15.25], [-66.97, -15.47], [-66.82, -15.82], [-66.75, -15.85], [-66.5, -15.75], [-65.97, -15.97], [-65.82, -16.32], [-65.47, -16.47], [-65.32, -16.82], [-65.25, -16.85], [-65.0, -16.75], [-64.47, -16.97], [-64.32, -17.32], [-64.25, -17.35], [-64.0, -17.25], [-63.47, -17.47], [-63.25, -18.0], [-63.35, -18.25], [-63.25, -18.5], [-63.47, -19.03], [-64.0, -19.25], [-64.53, -19.03], [-64.68, -18.68], [-65.03, -18.53], [-65.18, -18.18], [-65.25, -18.15], [-65.5, -18.25], [-66.03, -18.03], [-66.18, -17.68], [-66.3, -17.62], [-66.47, -18.03], [-67.0, -18.25], [-67.25, -18.15], [-67.5, -18.25], [-68.03, -18.03], [-68.18, -17.68], [-68.53, -17.53], [-68.75, -17.0], [-68.65, -16.75], [-68.75, -16.5], [-68.65, -16.25]]]]}, "2011-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.65, -16.25], [-68.75, -16.0], [-68.53, -15.47], [-68.0, -15.25], [-67.75, -15.35], [-67.5, -15.25], [-66.97, -15.47], [-66.82, -15.82], [-66.75, -15.85], [-66.5, -15.75], [-65.97, -15.97], [-65.82, -16.32], [-65.47, -16.47], [-65.32, -16.82], [-65.25, -16.85], [-65.0, -16.75], [-64.47, -16.97], [-64.32, -17.32], [-64.25, -17.35], [-64.0, -17.25], [-63.47, -17.47], [-63.25, -18.0], [-63.35, -18.25], [-63.25, -18.5], [-63.47, -19.03], [-64.0, -19.25], [-64.53, -19.03], [-64.68, -18.68], [-65.03, -18.53], [-65.18, -18.18], [-65.25, -18.15], [-65.5, -18.25], [-66.03, -18.03], [-66.18, -17.68], [-66.3, -17.62], [-66.47, -18.03], [-67.0, -18.25], [-67.25, -18.15], [-67.5, -18.25], [-68.03, -18.03], [-68.18, -17.68], [-68.53, -17.53], [-68.75, -17.0], [-68.65, -16.75], [-68.75, -16.5], [-68.65, -16.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4046482758429306}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.072286160069915}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.518897771996137, 15.939365673934276, 16.187751524339035, 16.397788822777613]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.591325572898711, 21.16375805779694, 21.22772696142607, 21.210732034850935]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6836919334981246, 1.8595451656925794, 2.113999298395744, 2.3347479517853724]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.070177605661115, 2.238050229599139, 3.1920325540203294, 3.4046482758429306]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5332957178380908, 1.6312598253319248, 1.821642494843763, 1.9424694765479273]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8796444984734162, 2.042000769954421, 2.603769565307708, 2.639269892494606]}}