{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:36.911725", "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": "2014-Jan-12_to_2014-Jan-14_262.5_42.0"}, "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": 2014010001939}, "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 12 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 14 2014"}, "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": 63259.095186294595}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.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": 42.0}, "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": 262.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "262.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 261.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 264.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.15, 39.75], [-99.25, 40.0], [-99.03, 40.53], [-98.68, 40.68], [-98.65, 40.75], [-98.68, 40.82], [-99.03, 40.97], [-99.25, 41.5], [-99.03, 42.03], [-98.68, 42.18], [-98.53, 42.53], [-98.0, 42.75], [-97.75, 42.65], [-97.5, 42.75], [-97.25, 42.65], [-97.0, 42.75], [-96.75, 42.65], [-96.5, 42.75], [-96.25, 42.65], [-96.0, 42.75], [-95.47, 42.53], [-95.25, 42.0], [-95.35, 41.75], [-95.25, 41.5], [-95.47, 40.97], [-95.82, 40.82], [-95.97, 40.47], [-96.37, 40.3], [-96.25, 40.0], [-96.47, 39.47], [-96.82, 39.32], [-96.97, 38.97], [-97.32, 38.82], [-97.35, 38.75], [-97.25, 38.5], [-97.47, 37.97], [-98.0, 37.75], [-98.53, 37.97], [-98.68, 38.32], [-99.03, 38.47], [-99.25, 39.0], [-99.15, 39.25], [-99.25, 39.5], [-99.15, 39.75]]]]}, "2014-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.15, 39.75], [-99.25, 40.0], [-99.03, 40.53], [-98.68, 40.68], [-98.65, 40.75], [-98.68, 40.82], [-99.03, 40.97], [-99.25, 41.5], [-99.03, 42.03], [-98.68, 42.18], [-98.53, 42.53], [-98.0, 42.75], [-97.75, 42.65], [-97.5, 42.75], [-97.25, 42.65], [-97.0, 42.75], [-96.75, 42.65], [-96.5, 42.75], [-96.25, 42.65], [-96.0, 42.75], [-95.47, 42.53], [-95.25, 42.0], [-95.35, 41.75], [-95.25, 41.5], [-95.47, 40.97], [-95.82, 40.82], [-95.97, 40.47], [-96.37, 40.3], [-96.25, 40.0], [-96.47, 39.47], [-96.82, 39.32], [-96.97, 38.97], [-97.32, 38.82], [-97.35, 38.75], [-97.25, 38.5], [-97.47, 37.97], [-98.0, 37.75], [-98.53, 37.97], [-98.68, 38.32], [-99.03, 38.47], [-99.25, 39.0], [-99.15, 39.25], [-99.25, 39.5], [-99.15, 39.75]]]]}, "2014-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-99.15, 39.75], [-99.25, 40.0], [-99.03, 40.53], [-98.68, 40.68], [-98.65, 40.75], [-98.68, 40.82], [-99.03, 40.97], [-99.25, 41.5], [-99.03, 42.03], [-98.68, 42.18], [-98.53, 42.53], [-98.0, 42.75], [-97.75, 42.65], [-97.5, 42.75], [-97.25, 42.65], [-97.0, 42.75], [-96.75, 42.65], [-96.5, 42.75], [-96.25, 42.65], [-96.0, 42.75], [-95.47, 42.53], [-95.25, 42.0], [-95.35, 41.75], [-95.25, 41.5], [-95.47, 40.97], [-95.82, 40.82], [-95.97, 40.47], [-96.37, 40.3], [-96.25, 40.0], [-96.47, 39.47], [-96.82, 39.32], [-96.97, 38.97], [-97.32, 38.82], [-97.35, 38.75], [-97.25, 38.5], [-97.47, 37.97], [-98.0, 37.75], [-98.53, 37.97], [-98.68, 38.32], [-99.03, 38.47], [-99.25, 39.0], [-99.15, 39.25], [-99.25, 39.5], [-99.15, 39.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.01470541705794}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.278743503776496}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.899768252327021, 4.443636914377919, 3.9346824859531466]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.867821598156354, 5.659117345097059, 5.895596875968749]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.691926434120662, 8.28292030951261, 7.861383767696208]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [11.01470541705794, 9.486819316406752, 8.414314937198014]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4446059812059233, 1.3693385949299324, 1.3058065779317696]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6806773308168967, 1.5017276039602403, 1.4071188240701713]}}