{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:31.695218", "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-Feb-14_to_2026-Feb-16_7.5_-66.5"}, "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": 2026020001870}, "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": "February 14 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 16 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 63154.89420502841}, "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": ["Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Nevskaja, kotlovina", "Southern 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": -66.5}, "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": 7.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "7.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 3.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 11.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -67.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -64.75}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[3.97, -64.97], [4.32, -64.82], [4.47, -64.47], [5.0, -64.25], [5.5, -64.46], [6.0, -64.25], [6.25, -64.35], [6.5, -64.25], 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-64.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.47, -65.47], [3.82, -65.32], [3.97, -64.97], [4.32, -64.82], [4.47, -64.47], [5.0, -64.25], [5.5, -64.46], [6.0, -64.25], [6.25, -64.35], [6.5, -64.25], [6.75, -64.35], [7.0, -64.25], [7.25, -64.35], [7.5, -64.25], [7.75, -64.35], [8.0, -64.25], [8.25, -64.35], [8.5, -64.25], [8.75, -64.35], [9.0, -64.25], [9.53, -64.47], [9.68, -64.82], [9.75, -64.85], [10.0, -64.75], [10.25, -64.85], [10.5, -64.75], [10.75, -64.85], [11.0, -64.75], [11.25, -64.85], [11.5, -64.75], [12.03, -64.97], [12.25, -65.5], [12.03, -66.03], [11.5, -66.25], [11.25, -66.15], [11.0, -66.25], [10.75, -66.15], [10.5, -66.25], [10.25, -66.15], [10.18, -66.18], [10.03, -66.53], 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duration", "value": 1.555762143452455}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0890769431831446}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [0.8604287211100541, 0.8622603861491029, 0.7811450703938476]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.0260520935058821, 1.0709078470866302, 1.0041252136230696]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1038276687804467, 1.1108811686740716, 1.0525219920949156]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3071775971379793, 1.555762143452455, 1.200000057283205]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3998815961010604, 1.3762386604619978, 1.2696473023775317]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5591141597132814, 1.645383326337984, 1.4082379986779676]}}