{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:01.687912", "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-07_to_2026-Jan-09_300.0_-21.0"}, "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": 2026010001459}, "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 07 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 09 2026"}, "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": 57856.76557210908}, "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", "Paraguay"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "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": -21.0}, "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": 300.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "300.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 301.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.65, -20.25], [-62.75, -20.0], [-62.53, -19.47], [-62.0, -19.25], [-61.75, -19.35], [-61.5, -19.25], [-60.97, -19.47], [-60.75, -20.0], [-60.65, -19.75], [-60.75, -19.5], [-60.53, -18.97], [-60.0, -18.75], [-59.47, -18.97], [-59.32, -19.32], [-58.97, -19.47], [-58.82, -19.82], [-58.75, -19.85], [-58.5, -19.75], [-57.97, -19.97], [-57.75, -20.5], [-57.85, -20.75], [-57.75, -21.0], [-57.85, -21.25], [-57.75, -21.5], [-57.97, -22.03], [-58.5, -22.25], [-58.75, -22.15], [-59.0, -22.25], [-59.53, -22.03], [-59.68, -21.68], [-59.75, -21.65], [-60.0, -21.75], [-60.25, -21.65], [-60.5, -21.75], [-60.75, -21.65], [-61.0, -21.75], [-61.5, -21.54], [-62.0, -21.75], [-62.53, -21.53], [-62.75, -21.0], [-62.65, -20.75], [-62.75, -20.5], [-62.65, -20.25]], [[-60.85, -20.25], [-60.82, -20.32], [-60.75, -20.35], [-60.68, -20.32], [-60.65, -20.25], [-60.75, -20.0], [-60.85, -20.25]]]]}, "2026-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.65, -20.25], [-62.75, -20.0], [-62.53, -19.47], [-62.0, -19.25], [-61.75, -19.35], [-61.5, -19.25], [-60.97, -19.47], [-60.75, -20.0], [-60.65, -19.75], [-60.75, -19.5], [-60.53, -18.97], [-60.0, -18.75], [-59.47, -18.97], [-59.32, -19.32], [-58.97, -19.47], [-58.82, -19.82], [-58.75, -19.85], [-58.5, -19.75], [-57.97, -19.97], [-57.75, -20.5], [-57.85, -20.75], [-57.75, -21.0], [-57.85, -21.25], [-57.75, -21.5], [-57.97, -22.03], [-58.5, -22.25], [-58.75, -22.15], [-59.0, -22.25], [-59.53, -22.03], [-59.68, -21.68], [-59.75, -21.65], [-60.0, -21.75], [-60.25, -21.65], [-60.5, -21.75], [-60.75, -21.65], [-61.0, -21.75], [-61.5, -21.54], [-62.0, -21.75], [-62.53, -21.53], [-62.75, -21.0], [-62.65, -20.75], [-62.75, -20.5], [-62.65, -20.25]], [[-60.85, -20.25], [-60.82, -20.32], [-60.75, -20.35], [-60.68, -20.32], [-60.65, -20.25], [-60.75, -20.0], [-60.85, -20.25]]]]}, "2026-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.65, -20.25], [-62.75, -20.0], [-62.53, -19.47], [-62.0, -19.25], [-61.75, -19.35], [-61.5, -19.25], [-60.97, -19.47], [-60.75, -20.0], [-60.65, -19.75], [-60.75, -19.5], [-60.53, -18.97], [-60.0, -18.75], [-59.47, -18.97], [-59.32, -19.32], [-58.97, -19.47], [-58.82, -19.82], [-58.75, -19.85], [-58.5, -19.75], [-57.97, -19.97], [-57.75, -20.5], [-57.85, -20.75], [-57.75, -21.0], [-57.85, -21.25], [-57.75, -21.5], [-57.97, -22.03], [-58.5, -22.25], [-58.75, -22.15], [-59.0, -22.25], [-59.53, -22.03], [-59.68, -21.68], [-59.75, -21.65], [-60.0, -21.75], [-60.25, -21.65], [-60.5, -21.75], [-60.75, -21.65], [-61.0, -21.75], [-61.5, -21.54], [-62.0, -21.75], [-62.53, -21.53], [-62.75, -21.0], [-62.65, -20.75], [-62.75, -20.5], [-62.65, -20.25]], [[-60.85, -20.25], [-60.82, -20.32], [-60.75, -20.35], [-60.68, -20.32], [-60.65, -20.25], [-60.75, -20.0], [-60.85, -20.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.594916977007927}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.3485343433403028}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.96281611124681, 32.73112767537435, 32.217539215087925]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.93196894327804, 34.03471654256185, 33.61242446899416]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.918516558301806, 3.7333494335007402, 3.3937370382183616]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.3711258765609387, 4.594916977007927, 4.186168443395843]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.436646833703946, 1.8275244861866544, 1.6251317573242594]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.641974816691773, 2.1633862252104517, 1.9082558772203202]}}