{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:17.823554", "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-Feb-26_to_2018-Mar-03_300.5_2.0"}, "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": 2018020002343}, "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": "February 26 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 03 2018"}, "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": 52498.311121966486}, "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": ["Brazil", "Guyana"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "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": 2.0}, "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": 300.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, 2.5], [-61.03, 3.03], [-60.5, 3.25], [-60.25, 3.15], [-60.0, 3.25], [-59.47, 3.03], [-59.32, 2.68], [-58.97, 2.53], [-58.82, 2.18], [-58.47, 2.03], [-58.25, 1.5], [-58.47, 0.97], [-59.0, 0.75], [-59.25, 0.85], [-59.5, 0.75], [-60.03, 0.97], [-60.18, 1.32], [-60.53, 1.47], [-60.68, 1.82], [-61.03, 1.97], [-61.25, 2.5]]]]}, "2018-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.03, 3.53], [-60.5, 3.75], [-59.97, 3.53], [-59.82, 3.18], [-59.75, 3.15], [-59.5, 3.25], [-58.97, 3.03], [-58.82, 2.68], [-58.47, 2.53], [-58.25, 2.0], [-58.35, 1.75], [-58.25, 1.5], [-58.47, 0.97], [-59.0, 0.75], [-59.25, 0.85], [-59.5, 0.75], [-60.03, 0.97], [-60.18, 1.32], [-60.53, 1.47], [-60.68, 1.82], [-61.03, 1.97], [-61.25, 2.5], [-61.15, 2.75], [-61.25, 3.0], [-61.03, 3.53]]]]}, "2018-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.65, 3.25], [-61.75, 3.5], [-61.53, 4.03], [-61.0, 4.25], [-60.47, 4.03], [-60.32, 3.68], [-60.25, 3.65], [-60.0, 3.75], [-59.47, 3.53], [-59.32, 3.18], [-59.25, 3.15], [-59.0, 3.25], [-58.47, 3.03], [-58.25, 2.5], [-58.35, 2.25], [-58.25, 2.0], [-58.35, 1.75], [-58.25, 1.5], [-58.47, 0.97], [-59.0, 0.75], [-59.25, 0.85], [-59.5, 0.75], [-60.03, 0.97], [-60.18, 1.32], [-60.25, 1.35], [-60.5, 1.25], [-61.03, 1.47], [-61.18, 1.82], [-61.53, 1.97], [-61.75, 2.5], [-61.65, 2.75], [-61.75, 3.0], [-61.65, 3.25]]]]}, "2018-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.65, 3.25], [-61.75, 3.5], [-61.53, 4.03], [-61.0, 4.25], [-60.47, 4.03], [-60.32, 3.68], [-60.25, 3.65], [-60.0, 3.75], [-59.5, 3.54], [-59.0, 3.75], [-58.47, 3.53], [-58.32, 3.18], [-57.97, 3.03], [-57.75, 2.5], [-57.97, 1.97], [-58.32, 1.82], [-58.35, 1.75], [-58.25, 1.5], [-58.47, 0.97], [-59.0, 0.75], [-59.25, 0.85], [-59.5, 0.75], [-60.03, 0.97], [-60.18, 1.32], [-60.25, 1.35], [-60.5, 1.25], [-61.03, 1.47], [-61.18, 1.82], [-61.53, 1.97], [-61.75, 2.5], [-61.65, 2.75], [-61.75, 3.0], [-61.65, 3.25]]]]}, "2018-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.65, 3.25], [-61.75, 3.5], [-61.53, 4.03], [-61.0, 4.25], [-60.47, 4.03], [-60.32, 3.68], [-60.25, 3.65], [-60.0, 3.75], [-59.5, 3.54], [-59.0, 3.75], [-58.47, 3.53], [-58.32, 3.18], [-57.97, 3.03], [-57.75, 2.5], [-57.97, 1.97], [-58.32, 1.82], [-58.35, 1.75], [-58.25, 1.5], [-58.47, 0.97], [-59.0, 0.75], [-59.25, 0.85], [-59.5, 0.75], [-60.03, 0.97], [-60.18, 1.32], [-60.25, 1.35], [-60.5, 1.25], [-61.03, 1.47], [-61.18, 1.82], [-61.53, 1.97], [-61.75, 2.5], [-61.65, 2.75], [-61.75, 3.0], [-61.65, 3.25]]]]}, "2018-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-60.03, 3.03], [-59.68, 3.18], [-59.53, 3.53], [-59.0, 3.75], [-58.47, 3.53], [-58.32, 3.18], [-57.97, 3.03], [-57.75, 2.5], [-57.97, 1.97], [-58.32, 1.82], [-58.35, 1.75], [-58.25, 1.5], [-58.47, 0.97], [-59.0, 0.75], [-59.53, 0.97], [-59.68, 1.32], [-60.03, 1.47], [-60.25, 2.0], [-60.15, 2.25], [-60.25, 2.5], [-60.03, 3.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.842143609581285}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7581861675843728}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.691544115109025, 28.20832147086867, 28.827398766401984, 29.171471019492742, 28.74983021777132, 27.161914492321785]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.858398523847313, 30.168782253679694, 31.071261581999067, 31.89564554301228, 31.19681968418672, 28.775803364840044]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3795500284272653, 1.6040008875412406, 1.6891401518331388, 2.188475340311898, 1.7495324549846902, 1.4049535632166632]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6611523089257503, 1.8822397054028102, 2.0997016423874015, 2.842143609581285, 2.4567235968605132, 1.66137023145086]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.384712254841249, 1.6030785128484055, 1.59284255162187, 2.089200950889688, 1.6954010085068592, 1.5186801863004165]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5357688308911548, 1.8715307823449872, 1.9473655980627078, 2.7962756852464574, 2.14637735723147, 1.627497266401921]}}