{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:21.605150", "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-Jul-17_to_2025-Jul-25_290.5_-30.5"}, "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": 2025070002260}, "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": "July 17 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 25 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 121142.65479109243}, "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", "Chile"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.South-America", "S.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": -30.5}, "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": 290.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "290.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -37.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.25, -37.0], [-72.03, -36.47], [-71.5, -36.25], [-70.97, -36.47], [-70.75, -37.0], [-70.97, -37.53], [-71.5, -37.75], [-72.03, -37.53], [-72.25, -37.0]]], [[[-68.97, -33.47], [-68.75, -34.0], [-68.85, -34.25], [-68.75, -34.5], [-68.97, -35.03], [-69.5, -35.25], [-70.03, -35.03], [-70.25, -34.5], [-70.15, -34.25], [-70.25, -34.0], [-70.03, -33.47], [-69.5, -33.25], [-68.97, -33.47]]], [[[-71.75, -32.0], [-71.53, -31.47], [-71.0, -31.25], [-70.47, -31.47], [-70.25, -32.0], [-70.47, -32.53], [-71.0, -32.75], [-71.53, -32.53], [-71.75, -32.0]]], [[[-70.25, -30.5], [-70.03, -29.97], [-69.5, -29.75], [-68.97, -29.97], [-68.75, -30.5], [-68.97, -31.03], [-69.5, -31.25], [-70.03, -31.03], [-70.25, -30.5]]]]}, "2025-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.5, -36.25], [-71.25, -36.35], [-71.18, -36.32], [-71.15, -36.25], [-71.18, -36.18], [-71.53, -36.03], [-71.75, -35.5], [-71.53, -34.97], [-71.18, -34.82], [-71.03, -34.47], [-70.68, -34.32], [-70.54, -34.0], [-70.75, -33.5], [-70.65, -33.25], [-70.75, -33.0], [-70.65, -32.75], [-70.7, -32.62], [-71.0, -32.75], [-71.53, -32.53], [-71.75, -32.0], [-71.53, -31.47], [-71.0, -31.25], [-70.7, -31.38], [-70.65, -31.25], [-70.75, -31.0], [-70.53, -30.47], [-70.18, -30.32], [-70.03, -29.97], [-69.5, -29.75], [-68.97, -29.97], [-68.82, -30.32], [-68.47, -30.47], [-68.25, -31.0], [-68.35, -31.25], [-68.25, -31.5], [-68.35, -31.75], [-68.25, -32.0], [-68.47, -32.53], [-68.82, -32.68], [-68.93, -32.93], [-68.5, -32.75], [-67.97, -32.97], [-67.75, -33.5], [-67.97, -34.03], [-68.32, -34.18], [-68.35, -34.25], [-68.25, -34.5], [-68.37, -34.8], [-67.97, -34.97], [-67.75, -35.5], [-67.97, -36.03], [-68.32, -36.18], [-68.35, -36.25], [-68.25, -36.5], [-68.47, -37.03], [-69.0, -37.25], [-69.5, -37.04], [-70.0, -37.25], [-70.25, -37.15], [-70.32, -37.18], [-70.47, -37.53], [-70.82, -37.68], [-70.97, -38.03], [-71.5, -38.25], [-72.03, -38.03], [-72.25, -37.5], [-72.15, -37.25], [-72.25, -37.0], [-72.03, -36.47], [-71.5, -36.25]]], [[[-70.03, -28.47], [-69.5, -28.25], [-68.97, -28.47], [-68.75, -29.0], [-68.97, -29.53], [-69.5, -29.75], [-70.03, -29.53], [-70.25, -29.0], [-70.03, -28.47]]]]}, "2025-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.5, -36.25], [-71.25, -36.35], [-71.18, -36.32], [-71.15, -36.25], [-71.18, -36.18], [-71.53, -36.03], [-71.75, -35.5], [-71.53, -34.97], [-71.18, -34.82], [-71.03, -34.47], [-70.68, -34.32], [-70.62, -34.2], [-71.03, -34.03], [-71.25, -33.5], [-71.15, -33.25], [-71.25, -33.0], [-71.15, -32.75], [-71.18, -32.68], [-71.53, -32.53], [-71.75, -32.0], [-71.65, -31.75], [-71.75, -31.5], [-71.53, -30.97], [-71.0, -30.75], [-70.7, -30.88], [-70.53, -30.47], [-70.18, -30.32], [-70.03, -29.97], [-69.5, -29.75], [-68.97, -29.97], [-68.82, -30.32], [-68.47, -30.47], [-68.25, -31.0], [-68.35, -31.25], [-68.25, -31.5], [-68.35, -31.75], [-68.25, -32.0], [-68.47, -32.53], [-68.82, -32.68], [-68.93, -32.93], [-68.5, -32.75], [-67.97, -32.97], [-67.75, -33.5], [-67.97, -34.03], [-68.32, -34.18], [-68.35, -34.25], [-68.25, -34.5], [-68.37, -34.8], [-67.97, -34.97], [-67.75, -35.5], [-67.97, -36.03], [-68.32, -36.18], [-68.35, -36.25], [-68.25, -36.5], [-68.47, -37.03], [-69.0, -37.25], [-69.5, -37.04], [-70.0, -37.25], [-70.25, -37.15], [-70.32, -37.18], [-70.47, -37.53], [-70.82, -37.68], [-70.97, -38.03], [-71.5, -38.25], [-72.03, -38.03], [-72.25, -37.5], [-72.15, -37.25], [-72.25, -37.0], [-72.03, -36.47], [-71.5, -36.25]]], [[[-70.03, -28.47], [-69.5, -28.25], [-68.97, -28.47], [-68.75, -29.0], [-68.97, -29.53], [-69.5, -29.75], [-70.03, -29.53], [-70.25, -29.0], [-70.03, -28.47]]]]}, "2025-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, -36.47], [-71.5, -36.25], [-71.25, -36.35], [-71.18, -36.32], [-71.15, -36.25], [-71.18, -36.18], [-71.53, -36.03], [-71.75, -35.5], [-71.53, -34.97], [-71.18, -34.82], [-71.03, -34.47], [-70.68, -34.32], [-70.62, -34.2], [-71.03, -34.03], [-71.25, -33.5], [-71.15, -33.25], [-71.25, -33.0], [-71.15, -32.75], [-71.18, -32.68], [-71.53, -32.53], [-71.75, -32.0], [-71.65, -31.75], [-71.75, -31.5], [-71.53, -30.97], [-71.0, -30.75], [-70.7, -30.88], [-70.62, -30.7], [-71.03, -30.53], [-71.25, -30.0], [-71.03, -29.47], [-70.5, -29.25], [-70.25, -29.35], [-70.18, -29.32], [-70.15, -29.25], [-70.25, -29.0], [-70.03, -28.47], [-69.5, -28.25], [-68.97, -28.47], [-68.82, -28.82], [-68.47, -28.97], [-68.25, -29.5], [-68.47, -30.03], [-68.87, -30.2], [-68.82, -30.32], [-68.47, -30.47], [-68.25, -31.0], [-68.35, -31.25], [-68.25, -31.5], [-68.35, -31.75], [-68.25, -32.0], [-68.47, -32.53], [-68.82, -32.68], [-68.93, -32.93], [-68.5, -32.75], [-67.97, -32.97], [-67.75, -33.5], [-67.97, -34.03], [-68.32, -34.18], [-68.35, -34.25], [-68.25, -34.5], [-68.37, -34.8], [-67.97, -34.97], [-67.75, -35.5], [-67.97, -36.03], [-68.32, -36.18], [-68.35, -36.25], [-68.25, -36.5], [-68.47, -37.03], [-69.0, -37.25], [-69.5, -37.04], [-70.0, -37.25], [-70.25, -37.15], [-70.32, -37.18], [-70.47, -37.53], [-70.82, -37.68], [-70.97, -38.03], [-71.5, -38.25], [-72.03, -38.03], [-72.25, -37.5], [-72.15, -37.25], [-72.25, -37.0], [-72.03, -36.47]]]]}, "2025-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.53, -30.97], [-71.0, -30.75], [-70.7, -30.88], [-70.62, -30.7], [-71.03, -30.53], [-71.25, -30.0], [-71.03, -29.47], [-70.5, -29.25], [-70.25, -29.35], [-70.18, -29.32], [-70.15, -29.25], [-70.25, -29.0], [-70.03, -28.47], [-69.5, -28.25], [-68.97, -28.47], [-68.82, -28.82], [-68.47, -28.97], [-68.25, -29.5], [-68.47, -30.03], [-68.87, -30.2], [-68.75, -30.5], [-68.85, -30.75], [-68.82, -30.82], [-68.47, -30.97], [-68.25, -31.5], [-68.47, -32.03], [-68.82, -32.18], [-68.85, -32.25], [-68.75, -32.5], [-68.96, -33.0], [-68.82, -33.32], [-68.47, -33.47], [-68.25, -34.0], [-68.47, -34.53], [-68.82, -34.68], [-68.85, -34.75], [-68.82, -34.82], [-68.47, -34.97], [-68.25, -35.5], [-68.47, -36.03], [-69.0, -36.25], [-69.25, -36.15], [-69.5, -36.25], [-69.8, -36.12], [-69.97, -36.53], [-70.37, -36.7], [-70.25, -37.0], [-70.47, -37.53], [-71.0, -37.75], [-71.25, -37.65], [-71.5, -37.75], [-72.03, -37.53], [-72.25, -37.0], [-72.03, -36.47], [-71.5, -36.25], [-71.25, -36.35], [-71.12, -36.3], [-71.18, -36.18], [-71.53, -36.03], [-71.75, -35.5], [-71.53, -34.97], [-71.18, -34.82], [-71.03, -34.47], [-70.5, -34.25], [-71.03, -34.03], [-71.18, -33.68], [-71.53, -33.53], [-71.75, -33.0], [-71.54, -32.5], [-71.75, -32.0], [-71.65, -31.75], [-71.75, -31.5], [-71.53, -30.97]], [[-70.2, -34.38], [-70.15, -34.25], [-70.2, -34.12], [-70.5, -34.25], [-70.2, -34.38]]]]}, "2025-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.53, -30.97], [-71.0, -30.75], [-70.7, -30.88], [-70.62, -30.7], [-71.03, -30.53], [-71.25, -30.0], [-71.03, -29.47], [-70.5, -29.25], [-70.25, -29.35], [-70.18, -29.32], [-70.15, -29.25], [-70.25, -29.0], [-70.03, -28.47], [-69.5, -28.25], [-68.97, -28.47], [-68.82, -28.82], [-68.47, -28.97], [-68.25, -29.5], [-68.47, -30.03], [-68.87, -30.2], [-68.75, -30.5], [-68.85, -30.75], [-68.75, -31.0], [-68.96, -31.5], [-68.75, -32.0], [-68.85, -32.25], [-68.75, -32.5], [-68.97, -33.03], [-69.5, -33.25], [-69.8, -33.12], [-69.85, -33.25], [-69.75, -33.5], [-69.97, -34.03], [-70.5, -34.25], [-71.03, -34.03], [-71.18, -33.68], [-71.53, -33.53], [-71.75, -33.0], [-71.54, -32.5], [-71.75, -32.0], [-71.65, -31.75], [-71.75, -31.5], [-71.53, -30.97]]]]}, "2025-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.97, -33.03], [-69.5, -33.25], [-70.03, -33.03], [-70.25, -32.5], [-70.03, -31.97], [-69.5, -31.75], [-68.97, -31.97], [-68.75, -32.5], [-68.97, -33.03]]], [[[-71.0, -31.25], [-70.57, -31.43], [-70.75, -31.0], [-70.62, -30.7], [-71.03, -30.53], [-71.25, -30.0], [-71.03, -29.47], [-70.5, -29.25], [-70.2, -29.38], [-70.15, -29.25], [-70.25, -29.0], [-70.03, -28.47], [-69.5, -28.25], [-68.97, -28.47], [-68.75, -29.0], [-68.85, -29.25], [-68.75, -29.5], [-68.96, -30.0], [-68.75, -30.5], [-68.85, -30.75], [-68.75, -31.0], [-68.97, -31.53], [-69.5, -31.75], [-69.75, -31.65], [-70.0, -31.75], [-70.43, -31.57], [-70.25, -32.0], [-70.46, -32.5], [-70.25, -33.0], [-70.47, -33.53], [-71.0, -33.75], [-71.53, -33.53], [-71.75, -33.0], [-71.54, -32.5], [-71.75, -32.0], [-71.53, -31.47], [-71.0, -31.25]]]]}, "2025-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.03, -29.97], [-69.5, -29.75], [-68.97, -29.97], [-68.75, -30.5], [-68.85, -30.75], [-68.75, -31.0], [-68.97, -31.53], [-69.5, -31.75], [-70.03, -31.53], [-70.25, -31.0], [-70.15, -30.75], [-70.25, -30.5], [-70.03, -29.97]]]]}, "2025-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.5, -30.25], [-68.97, -30.47], [-68.75, -31.0], [-68.97, -31.53], [-69.5, -31.75], [-70.03, -31.53], [-70.25, -31.0], [-70.03, -30.47], [-69.5, -30.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.405894459994101}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.473309634798728}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [2.0523849487304915, 2.389744422549313, 3.155933634440089, 2.1040632607280827, 2.5803562588161526, 2.105777097215821, 1.2068307382089642, 0.3999140421549896, 2.6801798502604584]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.060848490397177, 13.271394348144554, 12.91883239746096, 11.959670003255212, 11.8763252258301, 12.391163126627646, 11.529250081380212, 2.5903437296549896, 2.6801798502604584]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.624914447385993, 5.801467824287392, 6.036205404754471, 5.286893746837814, 5.069809919047665, 5.012605412145767, 5.3504371198116205, 5.356143412913809, 5.566197324017537]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.461729559255616, 10.405894459994101, 10.000161826445265, 7.376350401180048, 6.607526648346038, 6.911262373152965, 6.888724123272425, 5.508693741837419, 5.566197324017537]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.436565220439185, 1.625402304057426, 1.713054888848339, 1.51497061169317, 1.4889859639806517, 1.4910671270616458, 1.5978781085111515, 1.4936350553644613, 1.3921108996763705]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6190974511366751, 2.544058478202154, 2.4334488381257326, 2.2891331282755587, 2.0238389533450607, 1.7834665147151383, 1.8695751365904842, 1.5970985218284022, 1.3921108996763705]}}