{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:28.656964", "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": "2026-Jan-21_to_2026-Jan-24_299.0_-15.0"}, "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": 2026010002002}, "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": "January 21 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 24 2026"}, "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": 56655.835831730874}, "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": ["Bolivia", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "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": -15.0}, "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": 299.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "299.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -14.47], [-61.68, -14.32], [-61.53, -13.97], [-61.0, -13.75], [-60.5, -13.96], [-60.0, -13.75], [-59.75, -13.85], [-59.5, -13.75], [-58.97, -13.97], [-58.75, -14.5], [-58.85, -14.75], [-58.75, -15.0], [-58.96, -15.5], [-58.75, -16.0], [-58.97, -16.53], [-59.5, -16.75], [-59.75, -16.65], [-60.0, -16.75], [-60.25, -16.65], [-60.5, -16.75], [-60.75, -16.65], [-61.0, -16.75], [-61.53, -16.53], [-61.68, -16.18], [-62.03, -16.03], [-62.25, -15.5], [-62.15, -15.25], [-62.25, -15.0], [-62.03, -14.47]]]]}, "2026-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -14.47], [-61.68, -14.32], [-61.53, -13.97], [-61.18, -13.82], [-61.03, -13.47], [-60.5, -13.25], [-59.97, -13.47], [-59.82, -13.82], [-59.75, -13.85], [-59.5, -13.75], [-58.97, -13.97], [-58.75, -14.5], [-58.85, -14.75], [-58.75, -15.0], [-58.85, -15.25], [-58.82, -15.32], [-58.47, -15.47], [-58.25, -16.0], [-58.47, -16.53], [-59.0, -16.75], [-59.25, -16.65], [-59.5, -16.75], [-59.75, -16.65], [-60.0, -16.75], [-60.25, -16.65], [-60.5, -16.75], [-60.75, -16.65], [-61.0, -16.75], [-61.53, -16.53], [-61.68, -16.18], [-62.03, -16.03], [-62.25, -15.5], [-62.15, -15.25], [-62.25, -15.0], [-62.03, -14.47]]]]}, "2026-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -14.47], [-61.68, -14.32], [-61.53, -13.97], [-61.18, -13.82], [-61.03, -13.47], [-60.5, -13.25], [-59.97, -13.47], [-59.82, -13.82], [-59.75, -13.85], [-59.5, -13.75], [-58.97, -13.97], [-58.75, -14.5], [-58.85, -14.75], [-58.75, -15.0], [-58.85, -15.25], [-58.82, -15.32], [-58.47, -15.47], [-58.25, -16.0], [-58.47, -16.53], [-59.0, -16.75], [-59.25, -16.65], [-59.5, -16.75], [-59.75, -16.65], [-60.0, -16.75], [-60.25, -16.65], [-60.5, -16.75], [-60.75, -16.65], [-61.0, -16.75], [-61.53, -16.53], [-61.68, -16.18], [-62.03, -16.03], [-62.25, -15.5], [-62.15, -15.25], [-62.25, -15.0], [-62.03, -14.47]]]]}, "2026-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.03, -14.47], [-61.68, -14.32], [-61.53, -13.97], [-61.18, -13.82], [-61.03, -13.47], [-60.5, -13.25], [-59.97, -13.47], [-59.8, -13.88], [-59.5, -13.75], [-58.97, -13.97], [-58.75, -14.5], [-58.96, -15.0], [-58.82, -15.32], [-58.47, -15.47], [-58.25, -16.0], [-58.47, -16.53], [-59.0, -16.75], [-59.25, -16.65], [-59.5, -16.75], [-59.75, -16.65], [-60.0, -16.75], [-60.25, -16.65], [-60.5, -16.75], [-60.75, -16.65], [-61.0, -16.75], [-61.53, -16.53], [-61.68, -16.18], [-62.03, -16.03], [-62.25, -15.5], [-62.15, -15.25], [-62.25, -15.0], [-62.03, -14.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6624225689611194}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7171488092445024}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.477173953586146, 27.585142490320095, 27.581451804177846, 27.84812017702592]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.441637929280603, 28.622547403971396, 28.993792470296228, 29.096607462565146]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.623575831656414, 1.6817166664757703, 1.6624486279904103, 1.9004493280830308]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9526037168949415, 1.9207408360898626, 1.976569548672785, 2.6624225689611194]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4594286786432618, 1.514676613060164, 1.5003750683946921, 1.6786744005592031]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.678935242041781, 1.7164281253861533, 1.781662723212459, 2.28146801090869]}}