{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:27.402871", "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": "2020-Sep-05_to_2020-Sep-09_287.5_-7.0"}, "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": 2020090001200}, "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": "September 05 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 09 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 58269.38516350771}, "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", "Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": -7.0}, "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": 287.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 288.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.03, -5.47], [-74.5, -5.25], [-73.97, -5.47], [-73.82, -5.82], [-73.47, -5.97], [-73.32, -6.32], [-73.25, -6.35], [-73.0, -6.25], [-72.75, -6.35], [-72.5, -6.25], [-71.97, -6.47], [-71.75, -7.0], [-71.96, -7.5], [-71.82, -7.82], [-71.47, -7.97], [-71.25, -8.5], [-71.47, -9.03], [-72.0, -9.25], [-72.25, -9.15], [-72.5, -9.25], [-72.75, -9.15], [-73.0, -9.25], [-73.53, -9.03], [-73.75, -8.5], [-73.65, -8.25], [-73.68, -8.18], [-74.03, -8.03], [-74.18, -7.68], [-74.53, -7.53], [-74.68, -7.18], [-75.03, -7.03], [-75.25, -6.5], [-75.15, -6.25], [-75.25, -6.0], [-75.03, -5.47]]]]}, "2020-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.03, -5.47], [-74.5, -5.25], [-74.2, -5.38], [-74.03, -4.97], [-73.5, -4.75], [-72.97, -4.97], [-72.75, -5.5], [-72.85, -5.75], [-72.82, -5.82], [-72.75, -5.85], [-72.5, -5.75], [-71.97, -5.97], [-71.75, -6.5], [-71.85, -6.75], [-71.82, -6.82], [-71.47, -6.97], [-71.25, -7.5], [-71.46, -8.0], [-71.25, -8.5], [-71.47, -9.03], [-72.0, -9.25], [-72.25, -9.15], [-72.5, -9.25], [-72.75, -9.15], [-73.0, -9.25], [-73.53, -9.03], [-73.75, -8.5], [-73.65, -8.25], [-73.68, -8.18], [-74.03, -8.03], [-74.18, -7.68], [-74.53, -7.53], [-74.68, -7.18], [-75.03, -7.03], [-75.25, -6.5], [-75.15, -6.25], [-75.25, -6.0], [-75.03, -5.47]]]]}, "2020-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.03, -5.47], [-74.5, -5.25], [-74.2, -5.38], [-74.03, -4.97], [-73.5, -4.75], [-72.97, -4.97], [-72.75, -5.5], [-72.85, -5.75], [-72.82, -5.82], [-72.75, -5.85], [-72.5, -5.75], [-71.97, -5.97], [-71.75, -6.5], [-71.85, -6.75], [-71.82, -6.82], [-71.47, -6.97], [-71.25, -7.5], [-71.46, -8.0], [-71.25, -8.5], [-71.47, -9.03], [-72.0, -9.25], [-72.25, -9.15], [-72.5, -9.25], [-72.75, -9.15], [-73.0, -9.25], [-73.53, -9.03], [-73.75, -8.5], [-73.65, -8.25], [-73.68, -8.18], [-74.03, -8.03], [-74.18, -7.68], [-74.53, -7.53], [-74.68, -7.18], [-75.03, -7.03], [-75.25, -6.5], [-75.15, -6.25], [-75.25, -6.0], [-75.03, -5.47]]]]}, "2020-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.03, -4.97], [-73.5, -4.75], [-72.97, -4.97], [-72.75, -5.5], [-72.85, -5.75], [-72.82, -5.82], [-72.75, -5.85], [-72.5, -5.75], [-71.97, -5.97], [-71.75, -6.5], [-71.85, -6.75], [-71.82, -6.82], [-71.47, -6.97], [-71.25, -7.5], [-71.47, -8.03], [-72.0, -8.25], [-72.53, -8.03], [-72.68, -7.68], [-73.03, -7.53], [-73.18, -7.18], [-73.53, -7.03], [-73.68, -6.68], [-74.03, -6.53], [-74.25, -6.0], [-74.15, -5.75], [-74.25, -5.5], [-74.03, -4.97]]]]}, "2020-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-73.03, -5.97], [-72.5, -5.75], [-71.97, -5.97], [-71.75, -6.5], [-71.85, -6.75], [-71.75, -7.0], [-71.97, -7.53], [-72.5, -7.75], [-73.03, -7.53], [-73.25, -7.0], [-73.15, -6.75], [-73.25, -6.5], [-73.03, -5.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0335491864987034}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9782562471315155}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.877803517868642, 27.814548002543688, 27.87743039456643, 27.643929411413353, 27.402634897899986]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.014061910649616, 28.984014970069722, 28.686582223159007, 28.01580025712775, 27.6779319997558]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9841774115366124, 1.9577700488251133, 2.0452575801082995, 1.9142205056462747, 1.6870215413829328]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0335491864987034, 3.006904634136731, 2.3005317436534938, 2.250246387017455, 1.8977565784950343]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.466497868890226, 1.472973510113495, 1.55691831721993, 1.5977218273720952, 1.366076480872835]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0034726009742836, 1.952450716598438, 1.8889525872629278, 1.9445518811155809, 1.4687410282110636]}}