{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-08-31 16:20:29.871621", "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-Jul-25_to_2026-Aug-03_322.5_-4.0"}, "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": 2026070002464}, "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 25 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 89483.25409326372}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.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": ["South Atlantic Ocean"]}, "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": -4.0}, "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": 322.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "322.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 317.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 324.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.53, -4.53], [-38.75, -4.0], [-38.53, -3.47], [-38.0, -3.25], [-37.75, -3.35], [-37.5, -3.25], [-37.25, -3.35], [-37.0, -3.25], [-36.47, -3.47], [-36.32, -3.82], [-35.97, -3.97], [-35.82, -4.32], [-35.47, -4.47], [-35.25, -5.0], [-35.47, -5.53], [-36.0, -5.75], [-36.53, -5.53], [-36.68, -5.18], [-36.75, -5.15], [-37.0, -5.25], [-37.53, -5.03], [-37.68, -4.68], [-37.75, -4.65], [-38.0, -4.75], [-38.53, -4.53]]]]}, "2026-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.5, -2.75], [-36.97, -2.97], [-36.82, -3.32], [-36.47, -3.47], [-36.32, -3.82], [-35.97, -3.97], [-35.82, -4.32], [-35.47, -4.47], [-35.25, -5.0], [-35.47, -5.53], [-36.0, -5.75], [-36.53, -5.53], [-36.68, -5.18], [-36.75, -5.15], [-37.0, -5.25], [-37.53, -5.03], [-37.68, -4.68], [-37.75, -4.65], [-38.0, -4.75], [-38.53, -4.53], [-38.75, -4.0], [-38.53, -3.47], [-38.18, -3.32], [-38.03, -2.97], [-37.5, -2.75]]]]}, "2026-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-37.5, -2.75], [-36.97, -2.97], [-36.82, -3.32], [-36.47, -3.47], [-36.32, -3.82], [-35.97, -3.97], [-35.82, -4.32], [-35.47, -4.47], [-35.25, -5.0], [-35.47, -5.53], [-36.0, -5.75], [-36.53, -5.53], [-36.68, -5.18], [-36.75, -5.15], [-37.0, -5.25], [-37.53, -5.03], [-37.68, -4.68], [-37.75, -4.65], [-38.0, -4.75], [-38.53, -4.53], [-38.75, -4.0], [-38.53, -3.47], [-38.18, -3.32], [-38.03, -2.97], [-37.5, -2.75]]]]}, "2026-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-38.15, -3.75], [-38.25, -3.5], [-38.03, -2.97], [-37.5, -2.75], [-36.97, -2.97], [-36.82, -3.32], [-36.47, -3.47], [-36.32, -3.82], [-35.97, -3.97], [-35.82, -4.32], [-35.47, -4.47], [-35.25, -5.0], [-35.47, -5.53], [-36.0, -5.75], [-36.25, -5.65], [-36.5, -5.75], [-37.03, -5.53], [-37.18, -5.18], [-37.25, -5.15], [-37.5, -5.25], [-38.03, -5.03], [-38.25, -4.5], [-38.15, -4.25], [-38.25, -4.0], [-38.15, -3.75]]]]}, "2026-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.25, -3.5], [-39.03, -2.97], [-38.5, -2.75], [-38.25, -2.85], [-38.0, -2.75], [-37.47, -2.97], [-37.32, -3.32], [-37.25, -3.35], [-37.0, -3.25], [-36.47, -3.47], [-36.32, -3.82], [-35.97, -3.97], [-35.82, -4.32], [-35.47, -4.47], [-35.25, -5.0], [-35.47, -5.53], [-36.0, -5.75], [-36.25, -5.65], [-36.5, -5.75], [-37.03, -5.53], [-37.18, -5.18], [-37.25, -5.15], [-37.5, -5.25], [-38.03, -5.03], [-38.18, -4.68], [-38.53, -4.53], [-38.68, -4.18], [-39.03, -4.03], [-39.25, -3.5]]]]}, "2026-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-40.5, -1.25], [-40.25, -1.35], [-40.0, -1.25], [-39.75, -1.35], [-39.5, -1.25], [-38.97, -1.47], [-38.82, -1.82], [-38.75, -1.85], [-38.5, -1.75], [-37.97, -1.97], [-37.82, -2.32], [-37.47, -2.47], [-37.32, -2.82], [-36.97, -2.97], [-36.82, -3.32], [-36.75, -3.35], [-36.5, -3.25], [-35.97, -3.47], [-35.75, -4.0], [-35.85, -4.25], [-35.82, -4.32], [-35.47, -4.47], [-35.25, -5.0], [-35.47, -5.53], [-35.82, -5.68], [-35.97, -6.03], [-36.5, -6.25], [-37.03, -6.03], [-37.25, -5.5], [-37.15, -5.25], [-37.18, -5.18], [-37.25, -5.15], [-37.5, -5.25], [-38.03, -5.03], [-38.18, -4.68], [-38.53, -4.53], [-38.68, -4.18], [-39.03, -4.03], [-39.18, -3.68], [-39.25, -3.65], [-39.5, -3.75], [-40.03, -3.53], [-40.18, -3.18], [-40.25, -3.15], [-40.5, -3.25], [-40.75, -3.15], [-41.0, -3.25], [-41.53, -3.03], [-41.75, -2.5], [-41.53, -1.97], [-41.18, -1.82], [-41.03, -1.47], [-40.5, -1.25]]]]}, "2026-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.53, -1.47], [-41.0, -1.25], [-40.75, -1.35], [-40.5, -1.25], [-40.25, -1.35], [-40.0, -1.25], [-39.75, -1.35], [-39.5, -1.25], [-38.97, -1.47], [-38.82, -1.82], [-38.75, -1.85], [-38.5, -1.75], [-37.97, -1.97], [-37.82, -2.32], [-37.47, -2.47], [-37.32, -2.82], [-36.97, -2.97], [-36.82, -3.32], [-36.75, -3.35], [-36.5, -3.25], [-35.97, -3.47], [-35.75, -4.0], [-35.85, -4.25], [-35.82, -4.32], [-35.47, -4.47], [-35.25, -5.0], [-35.47, -5.53], [-35.82, -5.68], [-35.97, -6.03], [-36.5, -6.25], [-37.03, -6.03], [-37.25, -5.5], [-37.15, -5.25], [-37.18, -5.18], [-37.25, -5.15], [-37.5, -5.25], [-38.03, -5.03], [-38.18, -4.68], [-38.53, -4.53], [-38.68, -4.18], [-39.03, -4.03], [-39.18, -3.68], [-39.25, -3.65], [-39.5, -3.75], [-40.03, -3.53], [-40.18, -3.18], [-40.25, -3.15], [-40.5, -3.25], [-40.75, -3.15], [-41.0, -3.25], [-41.53, -3.03], [-41.75, -2.5], [-41.65, -2.25], [-41.75, -2.0], [-41.53, -1.47]]]]}, "2026-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.53, -2.03], [-42.75, -1.5], [-42.53, -0.97], [-42.0, -0.75], [-41.75, -0.85], [-41.5, -0.75], [-40.97, -0.97], [-40.82, -1.32], [-40.75, -1.35], [-40.5, -1.25], [-40.25, -1.35], [-40.0, -1.25], [-39.75, -1.35], [-39.5, -1.25], [-38.97, -1.47], [-38.82, -1.82], [-38.75, -1.85], [-38.5, -1.75], [-37.97, -1.97], [-37.82, -2.32], [-37.47, -2.47], [-37.32, -2.82], [-36.97, -2.97], [-36.82, -3.32], [-36.75, -3.35], [-36.5, -3.25], [-35.97, -3.47], [-35.75, -4.0], [-35.85, -4.25], [-35.82, -4.32], [-35.47, -4.47], [-35.25, -5.0], [-35.47, -5.53], [-35.82, -5.68], [-35.97, -6.03], [-36.5, -6.25], [-37.03, -6.03], [-37.25, -5.5], [-37.15, -5.25], [-37.18, -5.18], [-37.25, -5.15], [-37.5, -5.25], [-38.03, -5.03], [-38.18, -4.68], [-38.53, -4.53], [-38.68, -4.18], [-39.03, -4.03], [-39.18, -3.68], [-39.25, -3.65], [-39.5, -3.75], [-40.03, -3.53], [-40.18, -3.18], [-40.25, -3.15], [-40.5, -3.25], [-40.75, -3.15], [-41.0, -3.25], [-41.53, -3.03], [-41.75, -2.5], [-41.65, -2.25], [-41.68, -2.18], [-41.75, -2.15], [-42.0, -2.25], [-42.53, -2.03]]]]}, "2026-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-42.53, -2.03], [-42.75, -1.5], [-42.53, -0.97], [-42.0, -0.75], [-41.75, -0.85], [-41.5, -0.75], [-40.97, -0.97], [-40.82, -1.32], [-40.75, -1.35], [-40.5, -1.25], [-40.25, -1.35], [-40.0, -1.25], [-39.75, -1.35], [-39.5, -1.25], [-38.97, -1.47], [-38.82, -1.82], [-38.75, -1.85], [-38.5, -1.75], [-37.97, -1.97], [-37.82, -2.32], [-37.47, -2.47], [-37.32, -2.82], [-36.97, -2.97], [-36.82, -3.32], [-36.75, -3.35], [-36.5, -3.25], [-35.97, -3.47], [-35.75, -4.0], [-35.85, -4.25], [-35.75, -4.5], [-35.97, -5.03], [-36.5, -5.25], [-36.75, -5.15], [-37.0, -5.25], [-37.25, -5.15], [-37.5, -5.25], [-38.03, -5.03], [-38.18, -4.68], [-38.53, -4.53], [-38.68, -4.18], [-39.03, -4.03], [-39.18, -3.68], [-39.25, -3.65], [-39.5, -3.75], [-40.03, -3.53], [-40.18, -3.18], [-40.25, -3.15], [-40.5, -3.25], [-40.75, -3.15], [-41.0, -3.25], [-41.53, -3.03], [-41.75, -2.5], [-41.65, -2.25], [-41.68, -2.18], [-41.75, -2.15], [-42.0, -2.25], [-42.53, -2.03]]]]}, "2026-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-39.53, -2.47], [-39.0, -2.25], [-38.75, -2.35], [-38.5, -2.25], [-37.97, -2.47], [-37.82, -2.82], [-37.47, -2.97], [-37.32, -3.32], [-36.97, -3.47], [-36.82, -3.82], [-36.47, -3.97], [-36.25, -4.5], [-36.47, -5.03], [-37.0, -5.25], [-37.25, -5.15], [-37.5, -5.25], [-38.03, -5.03], [-38.18, -4.68], [-38.53, -4.53], [-38.68, -4.18], [-39.03, -4.03], [-39.18, -3.68], [-39.53, -3.53], [-39.75, -3.0], [-39.53, -2.47]]], [[[-42.75, -1.5], [-42.53, -0.97], [-42.0, -0.75], [-41.75, -0.85], [-41.5, -0.75], [-40.97, -0.97], [-40.75, -1.5], [-40.97, -2.03], [-41.5, -2.25], [-41.75, -2.15], [-42.0, -2.25], [-42.53, -2.03], [-42.75, -1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.210370334776428}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.6235223932421161}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.31886698404952, 26.63568703787672, 26.512845974876825, 26.303367869059286, 26.372538248697936, 26.670890475542137, 26.72529246012374, 26.81229728611038, 26.519501573611592, 26.460849253336676]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.48712056477865, 26.90746205647787, 26.651982879638695, 26.586072540283226, 26.658980305989587, 27.69547042846682, 27.99189402262374, 28.00623474121096, 27.14681777954104, 26.808538055419945]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.547777762243849, 0.8595806191402176, 0.7423498942424739, 0.5174250263984987, 0.5478571316259832, 0.647775072163033, 0.6830731170586125, 0.7365668979210384, 0.45809820886647074, 0.4595222144120612]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.666372703306024, 1.0653941339203357, 0.937106827651121, 0.6410461688286091, 0.6878946402002271, 0.9804770409164689, 1.210370334776428, 1.1737607846790752, 0.610666523910254, 0.5799667657033183]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.58588644455759, 2.4536445127087996, 2.124891698762962, 1.465005634155541, 1.5898754972583535, 1.758081046697862, 1.876999040603427, 2.068050076648917, 1.3305162081804918, 1.4110964696458872]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9921363494737732, 2.9668900931187814, 2.7022438967865416, 1.619235946544282, 1.7668292696744707, 2.5584408183471217, 2.492410995065264, 3.2156824532828088, 1.6740660995800987, 1.8385871300781425]}}