{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:42.164351", "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": "2024-Dec-20_to_2024-Dec-25_299.5_-3.0"}, "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": 2024120001896}, "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": "December 20 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 25 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 129350.74088006806}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -3.0}, "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": 299.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "299.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 297.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-63.53, -6.97], [-63.18, -6.82], [-63.03, -6.47], [-62.68, -6.32], [-62.65, -6.25], [-62.75, -6.0], [-62.65, -5.75], [-62.75, -5.5], [-62.53, -4.97], [-62.12, -4.8], [-62.25, -4.5], [-62.12, -4.2], [-62.53, -4.03], [-62.75, -3.5], [-62.53, -2.97], [-62.0, -2.75], [-61.75, -2.85], [-61.68, -2.82], [-61.53, -2.47], [-61.0, -2.25], [-60.75, -2.35], [-60.5, -2.25], [-59.97, -2.47], [-59.75, -3.0], [-59.85, -3.25], [-59.82, -3.32], [-59.75, -3.35], [-59.68, -3.32], [-59.53, -2.97], [-59.18, -2.82], [-59.03, -2.47], [-58.5, -2.25], [-58.25, -2.35], [-58.0, -2.25], [-57.47, -2.47], [-57.25, -3.0], [-57.37, -3.3], [-56.97, -3.47], [-56.75, -4.0], [-56.96, -4.5], [-56.75, -5.0], [-56.97, -5.53], [-57.5, -5.75], [-57.75, -5.65], [-58.0, -5.75], [-58.25, -5.65], [-58.5, -5.75], [-58.75, -5.65], [-59.0, -5.75], [-59.25, -5.65], [-59.5, -5.75], [-60.0, -5.54], [-60.5, -5.75], [-60.75, -5.65], [-60.82, -5.68], [-60.85, -5.75], [-60.75, -6.0], [-60.85, -6.25], [-60.75, -6.5], [-60.97, -7.03], [-61.5, -7.25], [-61.75, -7.15], [-61.82, -7.18], [-61.96, -7.5], [-61.75, -8.0], [-61.97, -8.53], [-62.5, -8.75], [-62.75, 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"mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5369660169299733}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.98868331909182, 27.562749446834573, 27.714817594870624, 27.884599849156018, 27.387123429147834, 27.255756378173828]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.70303878784182, 28.342396036783896, 28.72142817179366, 29.23405227661135, 28.23497670491537, 27.542117055257165]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9908611193884553, 1.457538396788172, 1.592729710581396, 1.756192239048212, 1.3337798267649592, 1.275706729381875]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0842390383382394, 1.7093619787955845, 2.2077325210609047, 2.562297550431424, 1.7813794667621892, 1.4561154215335819]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3540514944530664, 1.6764171862872046, 1.8316285044315468, 2.0113969253117325, 1.6908779195908838, 1.6536329193453843]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5133686272177256, 2.348357019948303, 3.0046547717966368, 3.7808933819526382, 2.408496378267165, 1.9514474163779463]}}