{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:12.902073", "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": "2013-Apr-25_to_2013-Apr-28_288.5_-46.5"}, "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": 2013040002522}, "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": "April 25 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 28 2013"}, "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": 56992.41463342372}, "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", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America", "S.W.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": -46.5}, "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": 288.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 286.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 290.25}, "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": -45.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-04-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.53, -47.47], [-73.0, -47.25], [-72.75, -47.35], [-72.5, -47.25], [-71.97, -47.47], [-71.75, -48.0], [-71.85, -48.25], [-71.75, -48.5], [-71.97, -49.03], [-72.5, -49.25], [-73.03, -49.03], [-73.18, -48.68], [-73.53, -48.53], [-73.75, -48.0], [-73.53, -47.47]]], [[[-72.03, -47.03], [-72.25, -46.5], [-72.03, -45.97], [-71.5, -45.75], [-70.97, -45.97], [-70.75, -46.5], [-70.97, -47.03], [-71.5, -47.25], [-72.03, -47.03]]]]}, "2013-04-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -47.5], [-74.03, -46.97], [-73.68, -46.82], [-73.65, -46.75], [-73.75, -46.5], [-73.53, -45.97], [-73.18, -45.82], [-73.03, -45.47], [-72.5, -45.25], [-72.0, -45.46], [-71.68, -45.32], [-71.53, -44.97], [-71.0, -44.75], [-70.75, -44.85], [-70.5, -44.75], [-69.97, -44.97], [-69.75, -45.5], [-69.85, -45.75], [-69.82, -45.82], [-69.47, -45.97], [-69.25, -46.5], [-69.47, -47.03], [-69.87, -47.2], [-69.75, -47.5], [-69.97, -48.03], [-70.5, -48.25], [-70.75, -48.15], [-71.0, -48.25], [-71.25, -48.15], [-71.32, -48.18], [-71.47, -48.53], [-71.82, -48.68], [-71.97, -49.03], [-72.5, -49.25], [-73.03, -49.03], [-73.18, -48.68], [-73.53, -48.53], [-73.68, -48.18], [-74.03, -48.03], [-74.25, -47.5]]]]}, "2013-04-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -47.5], [-74.03, -46.97], [-73.68, -46.82], [-73.65, -46.75], [-73.75, -46.5], [-73.53, -45.97], [-73.18, -45.82], [-73.03, -45.47], [-72.5, -45.25], [-72.0, -45.46], [-71.68, -45.32], [-71.53, -44.97], [-71.0, -44.75], [-70.75, -44.85], [-70.5, -44.75], [-69.97, -44.97], [-69.75, -45.5], [-69.85, -45.75], [-69.82, -45.82], [-69.47, -45.97], [-69.25, -46.5], [-69.47, -47.03], [-69.87, -47.2], [-69.75, -47.5], [-69.97, -48.03], [-70.5, -48.25], [-70.75, -48.15], [-71.0, -48.25], [-71.25, -48.15], [-71.32, -48.18], [-71.47, -48.53], [-71.82, -48.68], [-71.97, -49.03], [-72.5, -49.25], [-73.03, -49.03], [-73.18, -48.68], [-73.53, -48.53], [-73.68, -48.18], [-74.03, -48.03], [-74.25, -47.5]]]]}, "2013-04-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.25, -47.5], [-74.03, -46.97], [-73.68, -46.82], [-73.65, -46.75], [-73.75, -46.5], [-73.53, -45.97], [-73.18, -45.82], [-73.03, -45.47], [-72.5, -45.25], [-72.0, -45.46], [-71.68, -45.32], [-71.53, -44.97], [-71.0, -44.75], [-70.75, -44.85], [-70.5, -44.75], [-69.97, -44.97], [-69.75, -45.5], [-69.85, -45.75], [-69.82, -45.82], [-69.47, -45.97], [-69.25, -46.5], [-69.47, -47.03], [-69.87, -47.2], [-69.75, -47.5], [-69.97, -48.03], [-70.5, -48.25], [-70.75, -48.15], [-71.0, -48.25], [-71.25, -48.15], [-71.32, -48.18], [-71.47, -48.53], [-72.0, -48.75], [-72.25, -48.65], [-72.5, -48.75], [-72.75, -48.65], [-73.0, -48.75], [-73.53, -48.53], [-73.68, -48.18], [-74.03, -48.03], [-74.25, -47.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.1023920915537815}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.9968591658556316}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.349533181799359, 8.308419079755936, 8.977011769205944, 8.361886605319512]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.780901566216528, 13.013022279910388, 13.948248819996195, 12.954398197382943]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8441541445719167, 3.8434310721680793, 4.513978009457539, 3.7965195442189885]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0722799300663155, 6.1023920915537815, 5.835268661880093, 4.6045494122219]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4760056300541644, 1.7257434556642932, 1.9480646440041758, 1.6032905480368005]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7893193054958048, 2.4045311836598957, 2.464532109701187, 2.1966011971053434]}}