{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:53.201272", "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": "2025-Nov-28_to_2025-Dec-02_287.0_-12.0"}, "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": 2025110002288}, "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": "November 28 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 02 2025"}, "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": 72423.20433000394}, "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": ["Peru"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.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": -12.0}, "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": 287.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 288.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.03, -10.97], [-73.5, -10.75], [-73.25, -10.85], [-73.0, -10.75], [-72.75, -10.85], [-72.5, -10.75], [-71.97, -10.97], [-71.82, -11.32], [-71.75, -11.35], [-71.5, -11.25], [-70.97, -11.47], [-70.75, -12.0], [-70.96, -12.5], [-70.75, -13.0], [-70.97, -13.53], [-71.5, -13.75], [-72.0, -13.54], [-72.5, -13.75], [-72.75, -13.65], [-73.0, -13.75], [-73.53, -13.53], [-73.68, -13.18], [-74.03, -13.03], [-74.25, -12.5], [-74.04, -12.0], [-74.25, -11.5], [-74.03, -10.97]]]]}, "2025-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.15, -12.75], [-74.25, -12.5], [-74.04, -12.0], [-74.25, -11.5], [-74.15, -11.25], [-74.25, -11.0], [-74.15, -10.75], [-74.25, -10.5], [-74.03, -9.97], [-73.5, -9.75], [-72.97, -9.97], [-72.82, -10.32], [-72.47, -10.47], [-72.32, -10.82], [-71.97, -10.97], [-71.82, -11.32], [-71.75, -11.35], [-71.5, -11.25], [-70.97, -11.47], [-70.75, -12.0], [-70.96, -12.5], [-70.75, -13.0], [-70.85, -13.25], [-70.75, -13.5], [-70.97, -14.03], [-71.5, -14.25], [-71.75, -14.15], [-72.0, -14.25], [-72.25, -14.15], [-72.5, -14.25], [-72.75, -14.15], [-73.0, -14.25], [-73.25, -14.15], [-73.5, -14.25], [-74.03, -14.03], [-74.25, -13.5], [-74.15, -13.25], [-74.25, -13.0], [-74.15, -12.75]]]]}, "2025-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -13.5], [-74.53, -12.97], [-74.18, -12.82], [-74.15, -12.75], [-74.25, -12.5], [-74.04, -12.0], [-74.25, -11.5], [-74.15, -11.25], [-74.25, -11.0], [-74.15, -10.75], [-74.25, -10.5], [-74.03, -9.97], [-73.5, -9.75], [-72.97, -9.97], [-72.82, -10.32], [-72.47, -10.47], [-72.32, -10.82], [-71.97, -10.97], [-71.82, -11.32], [-71.75, -11.35], [-71.5, -11.25], [-70.97, -11.47], [-70.75, -12.0], [-70.96, -12.5], [-70.75, -13.0], [-70.85, -13.25], [-70.75, -13.5], [-70.97, -14.03], [-71.5, -14.25], [-71.75, -14.15], [-72.0, -14.25], [-72.25, -14.15], [-72.5, -14.25], [-72.75, -14.15], [-72.82, -14.18], [-72.97, -14.53], [-73.5, -14.75], [-74.03, -14.53], [-74.18, -14.18], [-74.53, -14.03], [-74.75, -13.5]]]]}, "2025-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -13.5], [-74.53, -12.97], [-74.18, -12.82], [-74.15, -12.75], [-74.25, -12.5], [-74.04, -12.0], [-74.25, -11.5], [-74.15, -11.25], [-74.25, -11.0], [-74.15, -10.75], [-74.25, -10.5], [-74.03, -9.97], [-73.5, -9.75], [-72.97, -9.97], [-72.82, -10.32], [-72.47, -10.47], [-72.32, -10.82], [-71.97, -10.97], [-71.82, -11.32], [-71.75, -11.35], [-71.5, -11.25], [-70.97, -11.47], [-70.75, -12.0], [-70.97, -12.53], [-71.5, -12.75], [-70.97, -12.97], [-70.75, -13.5], [-70.97, -14.03], [-71.5, -14.25], [-71.75, -14.15], [-72.0, -14.25], [-72.25, -14.15], [-72.5, -14.25], [-72.75, -14.15], [-72.82, -14.18], [-72.97, -14.53], [-73.5, -14.75], [-74.03, -14.53], [-74.18, -14.18], [-74.53, -14.03], [-74.75, -13.5]], [[-71.75, -12.65], [-71.87, -12.7], [-71.82, -12.82], [-71.75, -12.85], [-71.5, -12.75], [-71.75, -12.65]]]]}, "2025-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.75, -13.5], [-74.53, -12.97], [-74.18, -12.82], [-74.15, -12.75], [-74.25, -12.5], [-74.04, -12.0], [-74.25, -11.5], [-74.15, -11.25], [-74.25, -11.0], [-74.03, -10.47], [-73.5, -10.25], [-72.97, -10.47], [-72.82, -10.82], [-72.47, -10.97], [-72.32, -11.32], [-71.97, -11.47], [-71.75, -12.0], [-71.96, -12.5], [-71.75, -13.0], [-71.97, -13.53], [-72.32, -13.68], [-72.47, -14.03], [-72.82, -14.18], [-72.97, -14.53], [-73.5, -14.75], [-74.03, -14.53], [-74.18, -14.18], [-74.53, -14.03], [-74.75, -13.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8165936998624375}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5954442576641212}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.383178671812402, 20.178684488932333, 19.17674916585287, 19.0170009728634, 18.54839332217267]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.976665751139365, 27.453912353515648, 27.37817535400393, 27.106474812825525, 26.79181315104171]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4421643495464527, 1.8430184554237856, 1.5480966265872762, 1.4143423252781882, 1.7144865514606846]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.326400842070427, 2.8165936998624375, 2.4137180031274283, 1.8874207932468607, 2.1897633619094563]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6669407708970654, 2.1317790828077245, 1.8045737838240694, 1.6565415737083635, 2.2535552356780717]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.43828119819453, 3.1169588566190454, 2.5544479849978527, 2.419758037909124, 2.951706417777832]}}