{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:50:47.611689", "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": "2023-Jan-21_to_2023-Jan-26_293.0_-14.5"}, "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": 2023010002626}, "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 21 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 26 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 59597.43179537429}, "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, Plurinational State of"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -14.5}, "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": 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": 292.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-67.5, -13.75], [-67.25, -13.85], [-67.0, -13.75], [-66.75, -13.85], [-66.5, -13.75], [-66.25, -13.85], [-66.0, -13.75], [-65.75, -13.85], [-65.5, -13.75], [-64.97, -13.97], [-64.75, -14.5], [-64.85, -14.75], [-64.82, -14.82], [-64.47, -14.97], [-64.25, -15.5], [-64.35, -15.75], [-64.32, -15.82], [-63.97, -15.97], [-63.75, -16.5], [-63.97, -17.03], [-64.5, -17.25], [-64.75, -17.15], [-65.0, -17.25], [-65.25, -17.15], [-65.5, -17.25], [-66.03, -17.03], [-66.18, -16.68], [-66.25, -16.65], [-66.5, -16.75], [-67.03, -16.53], [-67.25, -16.0], [-67.15, -15.75], [-67.18, -15.68], [-67.53, -15.53], [-67.68, -15.18], [-68.03, -15.03], [-68.25, -14.5], [-68.03, -13.97], [-67.5, -13.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.75, -14.5], [-67.52999999999997, -13.97], [-67.0, -13.75], [-66.75, -13.85], [-66.5, -13.75], [-66.25, -13.85], [-66.0, -13.75], [-65.75, -13.85], [-65.5, -13.75], [-64.97000000000003, -13.97], [-64.75, -14.5], [-64.85000000000002, -14.75], [-64.82, -14.82], [-64.47000000000003, -14.97], [-64.25, -15.5], [-64.35000000000002, -15.75], [-64.32, -15.82], [-63.97000000000003, -15.97], [-63.75, -16.5], [-63.97000000000003, -17.03], [-64.5, -17.25], [-64.75, -17.15], [-65.0, -17.25], [-65.25, -17.15], [-65.5, -17.25], [-66.02999999999997, -17.03], [-66.18, -16.68], [-66.25, -16.65], [-66.5, -16.75], [-67.02999999999997, -16.53], [-67.25, -16.0], [-67.14999999999998, -15.75], [-67.18, -15.68], [-67.52999999999997, -15.53], [-67.75, -15.0], [-67.64999999999998, -14.75], [-67.75, -14.5]]]]}, "2023-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.02999999999997, -15.03], [-68.25, -14.5], [-68.02999999999997, -13.97], [-67.5, -13.75], [-67.25, -13.85], [-67.0, -13.75], [-66.75, -13.85], [-66.5, -13.75], [-66.25, -13.85], [-66.0, -13.75], [-65.75, -13.85], [-65.5, -13.75], [-64.97000000000003, -13.97], [-64.75, -14.5], [-64.85000000000002, -14.75], [-64.82, -14.82], [-64.47000000000003, -14.97], [-64.25, -15.5], [-64.35000000000002, -15.75], [-64.32, -15.82], [-63.97000000000003, -15.97], [-63.75, -16.5], [-63.97000000000003, -17.03], [-64.5, -17.25], [-64.75, -17.15], [-65.0, -17.25], [-65.25, -17.15], [-65.5, -17.25], [-66.02999999999997, -17.03], [-66.18, -16.68], [-66.25, -16.65], [-66.5, -16.75], [-67.02999999999997, -16.53], [-67.25, -16.0], [-67.14999999999998, -15.75], [-67.18, -15.68], [-67.52999999999997, -15.53], [-67.68, -15.18], [-68.02999999999997, -15.03]]]]}, "2023-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.02999999999997, -15.03], [-68.25, -14.5], [-68.02999999999997, -13.97], [-67.5, -13.75], [-67.25, -13.85], [-67.0, -13.75], [-66.75, -13.85], [-66.5, -13.75], [-66.25, -13.85], [-66.0, -13.75], [-65.75, -13.85], [-65.5, -13.75], [-64.97000000000003, -13.97], [-64.75, -14.5], [-64.85000000000002, -14.75], [-64.82, -14.82], [-64.47000000000003, -14.97], [-64.25, -15.5], [-64.35000000000002, -15.75], [-64.32, -15.82], [-63.97000000000003, -15.97], [-63.75, -16.5], [-63.97000000000003, -17.03], [-64.5, -17.25], [-64.75, -17.15], [-65.0, -17.25], [-65.25, -17.15], [-65.5, -17.25], [-66.02999999999997, -17.03], [-66.18, -16.68], [-66.25, -16.65], [-66.5, -16.75], [-67.02999999999997, -16.53], [-67.25, -16.0], [-67.14999999999998, -15.75], [-67.18, -15.68], [-67.52999999999997, -15.53], [-67.68, -15.18], [-68.02999999999997, -15.03]]]]}, "2023-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.5, -15.25], [-68.02999999999997, -15.03], [-68.25, -14.5], [-68.02999999999997, -13.97], [-67.5, -13.75], [-67.25, -13.85], [-67.0, -13.75], [-66.47000000000003, -13.97], [-66.25, -14.5], [-66.47000000000003, -15.03], [-67.0, -15.25], [-67.25, -15.15], [-67.5, -15.25]]]]}, "2023-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.5, -15.25], [-68.02999999999997, -15.03], [-68.25, -14.5], [-68.02999999999997, -13.97], [-67.5, -13.75], [-67.25, -13.85], [-67.0, -13.75], [-66.47000000000003, -13.97], [-66.25, -14.5], [-66.47000000000003, -15.03], [-67.0, -15.25], [-67.25, -15.15], [-67.5, -15.25]]]]}, "2023-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.52999999999997, -13.97], [-67.0, -13.75], [-66.47000000000003, -13.97], [-66.25, -14.5], [-66.47000000000003, -15.03], [-67.0, -15.25], [-67.52999999999997, -15.03], [-67.75, -14.5], [-67.52999999999997, -13.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.985293792450989}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2426823377782252}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.535599448181586, 28.723399080502134, 29.00048259446794, 28.47890052454875, 28.653860552686297, 28.83564653674705]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.180177680451152, 29.600872121825034, 29.76965286354772, 28.878398576476627, 29.355568821594318, 28.83564653674705]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0278029749718396, 2.221124737799059, 2.503926746468994, 2.0520412009719564, 2.1661997837862543, 2.0659014384639818]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.325053370418402, 2.805149468859895, 2.985293792450989, 2.124166664006566, 2.543973329713083, 2.0659014384639818]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3779323100525922, 1.4340926905235378, 1.5659191845832, 1.3106443278137934, 1.3938543914966646, 1.2830825715850611]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5212308687911513, 1.7348291440863146, 1.8274894516496953, 1.3237681029429333, 1.610792869862525, 1.2830825715850611]}}