{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:59.877167", "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-02_to_2011-Mar-08_285.5_1.0"}, "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": 2011030001623}, "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 02 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 08 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 52541.14476259721}, "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": ["Colombia", "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": 1.0}, "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": 285.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "285.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 284.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 286.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.53, 1.03], [-75.18, 1.18], [-75.03, 1.53], [-74.5, 1.75], 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"MultiPolygon", "coordinates": [[[[-75.53, 1.03], [-75.18, 1.18], [-75.15, 1.25], [-75.25, 1.5], [-75.03, 2.03], [-74.68, 2.18], [-74.53, 2.53], [-74.0, 2.75], [-73.47, 2.53], [-73.32, 2.18], [-72.97, 2.03], [-72.75, 1.5], [-72.85, 1.25], [-72.75, 1.0], [-72.85, 0.75], [-72.75, 0.5], [-72.85, 0.25], [-72.75, 0.0], [-72.97, -0.53], [-73.32, -0.68], [-73.47, -1.03], [-74.0, -1.25], [-74.25, -1.15], [-74.5, -1.25], [-75.03, -1.03], [-75.18, -0.68], [-75.53, -0.53], [-75.75, 0.0], [-75.65, 0.25], [-75.75, 0.5], [-75.53, 1.03]]]]}, "2011-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.03, 2.03], [-74.68, 2.18], [-74.53, 2.53], [-74.0, 2.75], [-73.47, 2.53], [-73.32, 2.18], [-72.97, 2.03], [-72.75, 1.5], [-72.85, 1.25], [-72.75, 1.0], [-72.97, 0.47], [-73.5, 0.25], [-74.0, 0.46], [-74.5, 0.25], [-75.03, 0.47], [-75.25, 1.0], [-75.15, 1.25], [-75.25, 1.5], [-75.03, 2.03]]]]}, "2011-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-75.03, 2.03], 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"value": 2.735097885133939}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.9162876930876678}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.940930533482856, 27.383528311728924, 27.126134461408526, 27.107338496863292, 27.2550965267547, 27.04943965768757, 27.43326436837856]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.496079260122826, 28.270195273880972, 27.701976522958546, 27.515911746035215, 27.87361767376393, 27.474083230292706, 27.43326436837856]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.747898942390866, 2.1302180635948353, 1.8924290412678801, 1.798949772171208, 1.9848890260166645, 1.800957639695535, 1.8585220827382045]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1196799703776037, 2.735097885133939, 2.2763489263746237, 2.0296425395934534, 2.366723347155755, 2.136196547063946, 1.8585220827382045]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6883985354428044, 2.086455482485375, 1.8806700926740125, 1.7063898600826217, 1.9186056976297259, 1.7833598920576392, 1.772142131024017]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8719513001470132, 2.455972755133073, 2.180248486512062, 1.8657004884024004, 2.1487886409913233, 2.037136577272889, 1.772142131024017]}}