{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:40.278032", "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": "2013-Feb-09_to_2013-Feb-12_229.5_58.0"}, "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": 2013020001562}, "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 09 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 12 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 93970.7466117833}, "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": ["Canada"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": 58.0}, "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": 229.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "229.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 227.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 233.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 54.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 58.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-132.75, 57.5], [-132.53, 58.03], [-132.0, 58.25], [-131.75, 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[-132.18, 56.82], [-132.53, 56.97], [-132.75, 57.5]]]]}, "2013-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-132.75, 57.5], [-132.53, 58.03], [-132.18, 58.18], [-132.03, 58.53], [-131.5, 58.75], [-131.25, 58.65], [-131.18, 58.68], [-131.03, 59.03], [-130.5, 59.25], [-129.97, 59.03], [-129.82, 58.68], [-129.75, 58.65], [-129.68, 58.68], [-129.53, 59.03], [-129.0, 59.25], [-128.75, 59.15], [-128.5, 59.25], [-128.25, 59.15], [-128.0, 59.25], [-127.75, 59.15], [-127.5, 59.25], [-127.25, 59.15], [-127.0, 59.25], [-126.47, 59.03], [-126.25, 58.5], [-126.35, 58.25], [-126.32, 58.18], [-125.97, 58.03], [-125.75, 57.5], [-125.85, 57.25], [-125.75, 57.0], [-125.97, 56.47], [-126.5, 56.25], [-126.75, 56.35], [-126.82, 56.32], [-126.85, 56.25], [-126.75, 56.0], [-126.85, 55.75], [-126.75, 55.5], [-126.97, 54.97], [-127.5, 54.75], [-127.75, 54.85], [-128.0, 54.75], [-128.25, 54.85], [-128.32, 54.82], [-128.47, 54.47], [-129.0, 54.25], [-129.53, 54.47], [-129.68, 54.82], 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evolution of maximum t2m.", "value": [1.499317605468093, 1.4725819913904274, 1.5840923415636894, 1.8898725307139443]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.31557499742869, 8.687736490417732, 8.596101453335082, 7.951313545468473]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.461596689831708, 11.784935663761019, 11.266087263109398, 9.622054025949353]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.232719762827032, 1.4189133623058097, 1.4343045028091705, 1.3605830455630312]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.343965020050668, 1.7463106377055782, 1.7700207828113166, 1.5507224511520528]}}