{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:32.593807", "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": "2018-Nov-01_to_2018-Nov-04_293.5_-10.0"}, "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": 2018110001003}, "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 01 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 04 2018"}, "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": 145086.49021622693}, "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", "Brazil"]}, "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": -10.0}, "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": 293.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "293.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 291.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 296.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.25, -13.0], [-69.03, -12.47], [-68.5, -12.25], [-68.25, -12.35], [-68.0, -12.25], [-67.75, -12.35], [-67.5, -12.25], [-66.97, -12.47], [-66.82, -12.82], [-66.47, -12.97], [-66.25, -13.5], [-66.47, -14.03], [-67.0, -14.25], [-67.25, -14.15], [-67.5, -14.25], [-68.03, -14.03], [-68.18, -13.68], [-68.25, -13.65], [-68.5, -13.75], [-69.03, -13.53], [-69.25, -13.0]]], [[[-67.75, -10.0], [-67.53, -9.47], [-67.0, -9.25], [-66.75, -9.35], [-66.5, -9.25], [-65.97, -9.47], [-65.75, -10.0], [-65.97, -10.53], [-66.5, -10.75], [-66.75, -10.65], [-67.0, -10.75], [-67.53, -10.53], [-67.75, -10.0]]]]}, "2018-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, -12.0], [-68.54, -11.5], [-68.75, -11.0], [-68.53, -10.47], [-68.18, -10.32], [-68.15, -10.25], [-68.25, -10.0], [-68.03, -9.47], [-67.5, -9.25], [-67.25, -9.35], [-67.0, -9.25], [-66.75, -9.35], [-66.5, -9.25], [-66.25, -9.35], [-66.0, -9.25], [-65.47, -9.47], [-65.25, -10.0], [-65.35, -10.25], [-65.32, -10.32], [-64.97, -10.47], [-64.75, -11.0], [-64.85, -11.25], [-64.75, -11.5], [-64.85, -11.75], [-64.8, -11.88], [-64.5, -11.75], [-64.25, -11.85], [-64.0, -11.75], [-63.47, -11.97], [-63.32, -12.32], [-62.97, -12.47], [-62.75, -13.0], [-62.85, -13.25], [-62.75, -13.5], [-62.97, -14.03], [-63.5, -14.25], [-63.75, -14.15], [-64.0, -14.25], [-64.53, -14.03], [-64.7, -13.62], [-65.0, -13.75], [-65.25, -13.65], [-65.32, -13.68], [-65.47, -14.03], [-66.0, -14.25], [-66.25, -14.15], [-66.5, -14.25], [-66.75, -14.15], [-67.0, -14.25], [-67.25, -14.15], [-67.5, -14.25], [-68.03, -14.03], [-68.18, -13.68], [-68.25, -13.65], [-68.5, -13.75], [-69.03, -13.53], [-69.25, -13.0], [-69.03, -12.47], [-68.68, -12.32], [-68.65, -12.25], [-68.75, -12.0]]]]}, "2018-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.75, -12.0], [-68.54, -11.5], [-68.75, -11.0], [-68.53, -10.47], [-68.18, -10.32], [-68.15, -10.25], [-68.25, -10.0], [-68.03, -9.47], [-67.5, -9.25], [-67.25, -9.35], [-67.0, -9.25], [-66.75, -9.35], [-66.5, -9.25], [-66.25, -9.35], [-66.0, -9.25], [-65.47, -9.47], [-65.25, -10.0], [-65.35, -10.25], [-65.32, -10.32], [-64.97, -10.47], [-64.75, -11.0], [-64.85, -11.25], [-64.75, -11.5], [-64.85, -11.75], [-64.8, -11.88], [-64.5, -11.75], [-64.25, -11.85], [-64.0, -11.75], [-63.47, -11.97], [-63.32, -12.32], [-62.97, -12.47], [-62.75, -13.0], [-62.85, -13.25], [-62.75, -13.5], [-62.97, -14.03], [-63.5, -14.25], [-63.75, -14.15], [-64.0, -14.25], [-64.53, -14.03], [-64.7, -13.62], [-65.0, -13.75], [-65.25, -13.65], [-65.32, -13.68], [-65.47, -14.03], [-66.0, -14.25], [-66.25, -14.15], [-66.5, -14.25], [-66.75, -14.15], [-67.0, -14.25], [-67.25, -14.15], [-67.5, -14.25], [-68.03, -14.03], [-68.18, -13.68], [-68.25, -13.65], [-68.5, -13.75], [-69.03, -13.53], [-69.25, -13.0], [-69.03, -12.47], [-68.68, -12.32], [-68.65, -12.25], [-68.75, -12.0]]]]}, "2018-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.54, -11.5], [-68.75, -11.0], [-68.53, -10.47], [-68.18, -10.32], [-68.15, -10.25], [-68.25, -10.0], [-68.03, -9.47], [-67.5, -9.25], [-67.25, -9.35], [-67.0, -9.25], [-66.75, -9.35], [-66.5, -9.25], [-66.25, -9.35], [-66.0, -9.25], [-65.47, -9.47], [-65.25, -10.0], [-65.35, -10.25], [-65.32, -10.32], [-64.97, -10.47], [-64.75, -11.0], [-64.85, -11.25], [-64.75, -11.5], [-64.85, -11.75], [-64.8, -11.88], [-64.5, -11.75], [-64.25, -11.85], [-64.0, -11.75], [-63.47, -11.97], [-63.32, -12.32], [-62.97, -12.47], [-62.75, -13.0], [-62.85, -13.25], [-62.75, -13.5], [-62.97, -14.03], [-63.5, -14.25], [-63.75, -14.15], [-64.0, -14.25], [-64.53, -14.03], [-64.7, -13.62], [-65.0, -13.75], [-65.25, -13.65], [-65.32, -13.68], [-65.47, -14.03], [-66.0, -14.25], [-66.25, -14.15], [-66.5, -14.25], [-66.75, -14.15], [-67.0, -14.25], [-67.53, -14.03], [-67.68, -13.68], [-68.03, -13.53], [-68.18, -13.18], [-68.53, -13.03], [-68.75, -12.5], [-68.65, -12.25], [-68.75, -12.0], [-68.54, -11.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7265283100244346}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.618681784517983}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.726643165462292, 28.97084209846804, 29.00248955883518, 28.894075806791818]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.442542226329408, 30.120857099309262, 30.557620606475723, 30.552595084949758]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.400784436889759, 2.633698856343443, 2.6982234668424625, 2.5517142563891047]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.741612277492493, 3.5429922086485703, 3.7265283100244346, 3.696153732799189]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3479201341081612, 1.546751269109225, 1.5387822065149257, 1.5023134300757472]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3986304592701202, 1.804955302347036, 1.7751021257816908, 1.828468327768937]}}