{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:04.047913", "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-22_to_2026-Jan-26_302.5_6.0"}, "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": 2026010002205}, "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 22 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 26 2026"}, "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": 58446.59982857794}, "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": ["Guyana", "Suriname"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 6.0}, "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": 302.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 299.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.03, 5.47], [-61.25, 6.0], [-61.03, 6.53], [-60.5, 6.75], [-59.97, 6.53], [-59.75, 6.0], [-59.97, 5.47], [-60.5, 5.25], [-61.03, 5.47]]], [[[-59.03, 7.53], [-58.5, 7.75], [-57.97, 7.53], [-57.82, 7.18], [-57.47, 7.03], [-57.32, 6.68], [-56.97, 6.53], [-56.75, 6.0], [-56.97, 5.47], [-57.5, 5.25], [-58.03, 5.47], [-58.18, 5.82], [-58.53, 5.97], [-58.68, 6.32], [-59.03, 6.47], [-59.25, 7.0], [-59.03, 7.53]]]]}, "2026-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, 6.0], [-61.03, 6.53], [-60.5, 6.75], [-59.97, 6.53], [-59.82, 6.18], [-59.75, 6.15], [-59.62, 6.2], [-59.75, 6.5], [-59.53, 7.03], [-59.18, 7.18], [-59.03, 7.53], [-58.5, 7.75], [-57.97, 7.53], [-57.82, 7.18], [-57.47, 7.03], [-57.32, 6.68], [-56.97, 6.53], [-56.75, 6.0], [-56.85, 5.75], [-56.75, 5.5], [-56.85, 5.25], [-56.75, 5.0], [-56.97, 4.47], [-57.32, 4.32], [-57.35, 4.25], [-57.25, 4.0], [-57.47, 3.47], [-58.0, 3.25], [-58.25, 3.35], [-58.5, 3.25], [-59.03, 3.47], [-59.25, 4.0], [-59.03, 4.53], [-58.68, 4.68], [-58.65, 4.75], [-58.68, 4.82], [-59.0, 4.96], [-59.5, 4.75], [-59.75, 4.85], [-60.0, 4.75], [-60.53, 4.97], [-60.68, 5.32], [-61.03, 5.47], [-61.25, 6.0]]]]}, "2026-01-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, 6.0], [-61.03, 6.53], [-60.5, 6.75], [-59.97, 6.53], [-59.82, 6.18], [-59.75, 6.15], [-59.62, 6.2], [-59.75, 6.5], [-59.53, 7.03], [-59.18, 7.18], [-59.03, 7.53], [-58.5, 7.75], [-57.97, 7.53], [-57.82, 7.18], [-57.47, 7.03], [-57.32, 6.68], [-56.97, 6.53], [-56.75, 6.0], [-56.85, 5.75], [-56.75, 5.5], [-56.85, 5.25], [-56.75, 5.0], [-56.97, 4.47], [-57.32, 4.32], [-57.35, 4.25], [-57.25, 4.0], [-57.47, 3.47], [-58.0, 3.25], [-58.25, 3.35], [-58.5, 3.25], [-59.03, 3.47], [-59.25, 4.0], [-59.03, 4.53], [-58.68, 4.68], [-58.65, 4.75], [-58.68, 4.82], [-58.75, 4.85], [-59.0, 4.75], [-59.25, 4.85], [-59.5, 4.75], [-59.75, 4.85], [-60.0, 4.75], [-60.53, 4.97], [-60.68, 5.32], [-61.03, 5.47], [-61.25, 6.0]]]]}, "2026-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.25, 6.0], [-61.03, 6.53], [-60.5, 6.75], [-59.97, 6.53], [-59.82, 6.18], [-59.75, 6.15], [-59.62, 6.2], [-59.75, 6.5], [-59.53, 7.03], [-59.18, 7.18], [-59.03, 7.53], [-58.5, 7.75], [-57.97, 7.53], [-57.82, 7.18], [-57.47, 7.03], [-57.32, 6.68], [-56.97, 6.53], [-56.75, 6.0], [-56.85, 5.75], [-56.75, 5.5], [-56.85, 5.25], [-56.75, 5.0], [-56.97, 4.47], [-57.32, 4.32], [-57.35, 4.25], [-57.25, 4.0], [-57.47, 3.47], [-58.0, 3.25], [-58.25, 3.35], [-58.5, 3.25], [-59.03, 3.47], [-59.25, 4.0], [-59.03, 4.53], [-58.68, 4.68], [-58.65, 4.75], [-58.68, 4.82], [-58.75, 4.85], [-59.0, 4.75], [-59.25, 4.85], [-59.5, 4.75], [-59.75, 4.85], [-60.0, 4.75], [-60.53, 4.97], [-60.68, 5.32], [-61.03, 5.47], [-61.25, 6.0]]]]}, "2026-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-58.5, 6.75], [-58.25, 6.65], [-58.0, 6.75], [-57.75, 6.65], [-57.5, 6.75], [-56.97, 6.53], [-56.75, 6.0], [-56.97, 5.47], [-57.5, 5.25], [-57.75, 5.35], [-58.0, 5.25], [-58.25, 5.35], [-58.32, 5.32], [-58.47, 4.97], [-59.0, 4.75], [-59.53, 4.97], [-59.75, 5.5], [-59.53, 6.03], [-59.18, 6.18], [-59.03, 6.53], [-58.5, 6.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.403870703941891}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.966641718832598}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.209542846679653, 25.441365531638837, 25.47481127287216, 25.58471711811268, 25.582208251953148]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.274077351888025, 26.600888824462913, 26.63135681152346, 26.528599039713583, 26.041335042317712]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8108732991740908, 0.9058685099300843, 0.9787609879905972, 1.0864182573921959, 0.7693844918938311]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8952891413904922, 1.181022420721206, 1.2741233033797812, 1.403870703941891, 0.8433619773615533]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.460501001040547, 1.53830003141538, 1.6889522581110774, 1.955132920626907, 1.4480388892404121]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6023591334726621, 2.158251769543529, 2.292857058654269, 2.751384929546957, 1.489655872440457]}}