{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:00.193507", "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-Mar-04_to_2011-Mar-06_291.0_-47.0"}, "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": 2011030001690}, "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": "March 04 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 06 2011"}, "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": 54491.53396782967}, "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": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": -47.0}, "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": 291.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "291.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 293.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -48.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -45.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -47.53], [-72.25, -47.0], [-72.03, -46.47], [-71.5, -46.25], [-71.25, -46.35], [-71.0, -46.25], [-70.75, -46.35], [-70.5, -46.25], [-70.25, -46.35], [-70.18, -46.32], [-70.15, -46.25], [-70.25, -46.0], [-70.03, -45.47], [-69.5, -45.25], [-68.97, -45.47], [-68.82, -45.82], [-68.75, -45.85], [-68.5, -45.75], [-67.97, -45.97], [-67.82, -46.32], [-67.75, -46.35], [-67.5, -46.25], [-66.97, -46.47], [-66.75, -47.0], [-66.85, -47.25], [-66.82, -47.32], [-66.47, -47.47], [-66.25, -48.0], [-66.47, -48.53], [-67.0, -48.75], [-67.25, -48.65], [-67.5, -48.75], [-67.75, -48.65], [-68.0, -48.75], [-68.25, -48.65], [-68.32, -48.68], [-68.47, -49.03], [-69.0, -49.25], [-69.53, -49.03], [-69.68, -48.68], [-70.03, -48.53], [-70.18, -48.18], [-70.53, -48.03], [-70.68, -47.68], [-70.75, -47.65], [-71.0, -47.75], [-71.25, -47.65], [-71.5, -47.75], [-72.03, -47.53]]]]}, "2011-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -47.53], [-72.25, -47.0], [-72.03, -46.47], [-71.5, -46.25], [-71.25, -46.35], [-71.0, -46.25], [-70.75, -46.35], [-70.5, -46.25], [-70.25, -46.35], [-70.18, -46.32], [-70.15, -46.25], [-70.25, -46.0], [-70.03, -45.47], [-69.5, -45.25], [-68.97, -45.47], [-68.82, -45.82], [-68.75, -45.85], [-68.5, -45.75], [-67.97, -45.97], [-67.82, -46.32], [-67.75, -46.35], [-67.5, -46.25], [-66.97, -46.47], [-66.75, -47.0], [-66.85, -47.25], [-66.82, -47.32], [-66.47, -47.47], [-66.25, -48.0], [-66.47, -48.53], [-67.0, -48.75], [-67.25, -48.65], [-67.5, -48.75], [-67.75, -48.65], [-68.0, -48.75], [-68.25, -48.65], [-68.32, -48.68], [-68.47, -49.03], [-69.0, -49.25], [-69.53, -49.03], [-69.68, -48.68], [-70.03, -48.53], [-70.18, -48.18], [-70.53, -48.03], [-70.68, -47.68], [-70.75, -47.65], [-71.0, -47.75], [-71.25, -47.65], [-71.5, -47.75], [-72.03, -47.53]]]]}, "2011-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -47.53], [-72.25, -47.0], [-72.03, -46.47], [-71.5, -46.25], [-71.25, -46.35], [-71.0, -46.25], [-70.75, -46.35], [-70.5, -46.25], [-70.25, -46.35], [-70.18, -46.32], [-70.15, -46.25], [-70.25, -46.0], [-70.03, -45.47], [-69.5, -45.25], [-68.97, -45.47], [-68.82, -45.82], [-68.75, -45.85], [-68.5, -45.75], [-67.97, -45.97], [-67.82, -46.32], [-67.75, -46.35], [-67.5, -46.25], [-66.97, -46.47], [-66.75, -47.0], [-66.85, -47.25], [-66.82, -47.32], [-66.47, -47.47], [-66.25, -48.0], [-66.47, -48.53], [-67.0, -48.75], [-67.25, -48.65], [-67.5, -48.75], [-67.75, -48.65], [-68.0, -48.75], [-68.25, -48.65], [-68.32, -48.68], [-68.47, -49.03], [-69.0, -49.25], [-69.53, -49.03], [-69.68, -48.68], [-70.03, -48.53], [-70.18, -48.18], [-70.53, -48.03], [-70.68, -47.68], [-70.75, -47.65], [-71.0, -47.75], [-71.25, -47.65], [-71.5, -47.75], [-72.03, -47.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.608376219664876}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.77376270155056}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.313207761636022, 20.792826615353704, 21.91633278162874]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.374672333138278, 22.875470633191014, 24.94425132730936]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.948319288758232, 5.530684029411462, 6.842284786481988]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.787702488901971, 6.480004080572314, 7.608376219664876]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5064586215820692, 1.693841748215518, 2.0075135969206412]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7588463641667735, 2.087338260478419, 2.283121808297529]}}