{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:40.813337", "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-Feb-04_to_2026-Feb-07_296.0_-23.5"}, "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": 2026020001115}, "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": "February 04 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 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": 88803.23437427793}, "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", "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": -23.5}, "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": 296.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 294.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.25}, "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": {"2026-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.25, -23.0], [-65.15, -22.75], [-65.25, -22.5], [-65.15, -22.25], [-65.25, -22.0], [-65.03, -21.47], [-64.68, -21.32], [-64.54, -21.0], [-64.75, -20.5], [-64.65, -20.25], [-64.75, -20.0], [-64.53, -19.47], [-64.0, -19.25], [-63.75, -19.35], [-63.5, -19.25], [-62.97, -19.47], [-62.82, -19.82], [-62.47, -19.97], [-62.32, -20.32], [-61.97, -20.47], [-61.75, -21.0], [-61.85, -21.25], [-61.75, -21.5], [-61.85, -21.75], [-61.75, -22.0], [-61.97, -22.53], [-62.5, -22.75], [-62.75, -22.65], [-62.82, -22.68], [-62.85, -22.75], [-62.75, -23.0], [-62.85, -23.25], [-62.75, -23.5], [-62.85, -23.75], [-62.75, -24.0], [-62.97, -24.53], [-63.5, -24.75], [-63.75, -24.65], [-64.0, -24.75], [-64.25, -24.65], [-64.5, -24.75], [-64.75, -24.65], [-65.0, -24.75], [-65.53, -24.53], [-65.75, -24.0], [-65.53, -23.47], [-65.18, -23.32], [-65.15, -23.25], [-65.25, -23.0]]]]}, "2026-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.25, -23.0], [-65.15, -22.75], [-65.25, -22.5], [-65.15, -22.25], [-65.25, -22.0], [-65.03, -21.47], [-64.68, -21.32], [-64.54, -21.0], [-64.75, -20.5], [-64.65, -20.25], [-64.75, -20.0], [-64.53, -19.47], [-64.18, -19.32], [-64.03, -18.97], [-63.5, -18.75], [-62.97, -18.97], [-62.75, -19.5], [-62.85, -19.75], [-62.82, -19.82], [-62.47, -19.97], [-62.32, -20.32], [-61.97, -20.47], [-61.75, -21.0], [-61.85, -21.25], [-61.75, -21.5], [-61.85, -21.75], [-61.75, -22.0], [-61.97, -22.53], [-62.5, -22.75], [-62.75, -22.65], [-62.82, -22.68], [-62.85, -22.75], [-62.75, -23.0], [-62.85, -23.25], [-62.75, -23.5], [-62.85, -23.75], [-62.75, -24.0], [-62.97, -24.53], [-63.5, -24.75], [-63.75, -24.65], [-64.0, -24.75], [-64.25, -24.65], [-64.5, -24.75], [-64.75, -24.65], [-65.0, -24.75], [-65.53, -24.53], [-65.75, -24.0], [-65.53, -23.47], [-65.18, -23.32], [-65.15, -23.25], [-65.25, -23.0]]]]}, "2026-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.25, -23.0], [-65.15, -22.75], [-65.25, -22.5], [-65.15, -22.25], [-65.25, -22.0], [-65.03, -21.47], [-64.68, -21.32], [-64.54, -21.0], [-64.75, -20.5], [-64.65, -20.25], [-64.75, -20.0], [-64.53, -19.47], [-64.18, -19.32], [-64.03, -18.97], [-63.5, -18.75], [-62.97, -18.97], [-62.75, -19.5], [-62.85, -19.75], [-62.82, -19.82], [-62.47, -19.97], [-62.32, -20.32], [-61.97, -20.47], [-61.75, -21.0], [-61.85, -21.25], [-61.75, -21.5], [-61.85, -21.75], [-61.75, -22.0], [-61.97, -22.53], [-62.5, -22.75], [-62.75, -22.65], [-62.82, -22.68], [-62.85, -22.75], [-62.75, -23.0], [-62.85, -23.25], [-62.75, -23.5], [-62.85, -23.75], [-62.75, -24.0], [-62.97, -24.53], [-63.5, -24.75], [-63.75, -24.65], [-64.0, -24.75], [-64.25, -24.65], [-64.5, -24.75], [-64.75, -24.65], [-65.0, -24.75], [-65.53, -24.53], [-65.75, -24.0], [-65.53, -23.47], [-65.18, -23.32], [-65.15, -23.25], [-65.25, -23.0]]]]}, "2026-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.5, -18.75], [-62.97, -18.97], [-62.75, -19.5], [-62.97, -20.03], [-63.5, -20.25], [-64.03, -20.03], [-64.25, -19.5], [-64.03, -18.97], [-63.5, -18.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.27358849370313}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.170747644193301}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.805133650037988, 29.427542951030148, 29.479485468710607, 25.235739644368493]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.531194305419945, 34.33581695556643, 34.005506134033226, 25.235739644368493]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.60401588413128, 4.393037630025571, 4.557065134620742, 2.3058686820028242]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.107796544672567, 6.27358849370313, 5.723693143247658, 2.3058686820028242]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4245365943794817, 1.7180715796879888, 1.7935523784316838, 1.2888599082930237]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.750932922382999, 2.3255362593444127, 2.5274758745044283, 1.2888599082930237]}}