{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:59.889833", "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": "2011-Nov-20_to_2011-Nov-24_265.5_16.5"}, "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": 2011110002390}, "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": "November 20 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 24 2011"}, "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": 73796.90296153829}, "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": ["Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Central-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": ["Gulf of Mexico"]}, "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": 16.5}, "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": 265.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "265.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 263.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 267.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.53, 18.53], [-96.0, 18.75], [-95.47, 18.53], [-95.32, 18.18], [-94.97, 18.03], [-94.75, 17.5], [-94.87, 17.2], [-94.75, 17.15], [-94.5, 17.25], [-94.25, 17.15], [-94.0, 17.25], [-93.75, 17.15], [-93.68, 17.18], [-93.53, 17.53], [-93.0, 17.75], [-92.47, 17.53], [-92.25, 17.0], [-92.35, 16.75], [-92.32, 16.68], [-91.97, 16.53], [-91.75, 16.0], [-91.97, 15.47], [-92.5, 15.25], [-92.75, 15.35], [-93.0, 15.25], [-93.25, 15.35], [-93.5, 15.25], [-94.03, 15.47], [-94.18, 15.82], [-94.25, 15.85], [-94.5, 15.75], [-94.75, 15.85], [-95.0, 15.75], [-95.53, 15.97], [-95.75, 16.5], [-95.62, 16.8], [-96.03, 16.97], [-96.18, 17.32], [-96.53, 17.47], [-96.75, 18.0], [-96.53, 18.53]]], [[[-94.53, 17.97], [-94.75, 18.5], [-94.53, 19.03], [-94.0, 19.25], [-93.47, 19.03], [-93.25, 18.5], [-93.47, 17.97], [-94.0, 17.75], [-94.53, 17.97]]]]}, "2011-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-97.25, 18.5], [-97.03, 19.03], [-96.5, 19.25], [-95.97, 19.03], [-95.82, 18.68], [-95.5, 18.54], [-95.0, 18.75], [-94.75, 18.65], [-94.68, 18.68], [-94.53, 19.03], [-94.0, 19.25], [-93.75, 19.15], [-93.5, 19.25], [-92.97, 19.03], [-92.82, 18.68], [-92.47, 18.53], [-92.25, 18.0], [-92.46, 17.5], [-92.25, 17.0], [-92.35, 16.75], [-92.32, 16.68], [-91.97, 16.53], [-91.75, 16.0], [-91.97, 15.47], [-92.5, 15.25], [-92.75, 15.35], [-93.0, 15.25], [-93.25, 15.35], [-93.5, 15.25], [-94.03, 15.47], [-94.18, 15.82], [-94.25, 15.85], [-94.5, 15.75], [-94.75, 15.85], [-95.0, 15.75], [-95.25, 15.85], [-95.32, 15.82], [-95.47, 15.47], [-96.0, 15.25], [-96.53, 15.47], [-96.75, 16.0], [-96.53, 16.53], [-96.18, 16.68], [-96.04, 17.0], [-96.18, 17.32], [-96.53, 17.47], [-96.68, 17.82], [-97.03, 17.97], [-97.25, 18.5]]]]}, "2011-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-97.25, 18.5], [-97.03, 19.03], [-96.5, 19.25], [-95.97, 19.03], [-95.82, 18.68], [-95.5, 18.54], [-95.0, 18.75], [-94.75, 18.65], [-94.68, 18.68], [-94.53, 19.03], [-94.0, 19.25], [-93.75, 19.15], [-93.5, 19.25], [-92.97, 19.03], [-92.82, 18.68], [-92.47, 18.53], [-92.25, 18.0], [-92.46, 17.5], [-92.25, 17.0], [-92.35, 16.75], [-92.32, 16.68], [-91.97, 16.53], [-91.75, 16.0], [-91.97, 15.47], [-92.5, 15.25], [-92.75, 15.35], [-93.0, 15.25], [-93.25, 15.35], [-93.5, 15.25], [-94.03, 15.47], [-94.18, 15.82], [-94.25, 15.85], [-94.5, 15.75], [-94.75, 15.85], [-95.0, 15.75], [-95.25, 15.85], [-95.32, 15.82], [-95.47, 15.47], [-96.0, 15.25], [-96.53, 15.47], [-96.75, 16.0], [-96.53, 16.53], [-96.18, 16.68], [-96.04, 17.0], [-96.18, 17.32], [-96.53, 17.47], [-96.68, 17.82], [-97.03, 17.97], [-97.25, 18.5]]]]}, "2011-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-97.25, 18.5], [-97.03, 19.03], [-96.5, 19.25], [-95.97, 19.03], [-95.82, 18.68], [-95.5, 18.54], [-95.0, 18.75], [-94.75, 18.65], [-94.68, 18.68], [-94.53, 19.03], [-94.0, 19.25], [-93.75, 19.15], [-93.5, 19.25], [-92.97, 19.03], [-92.82, 18.68], [-92.47, 18.53], [-92.25, 18.0], [-92.47, 17.47], [-92.82, 17.32], [-92.87, 17.2], [-92.47, 17.03], [-92.25, 16.5], [-92.35, 16.25], [-92.25, 16.0], [-92.47, 15.47], [-93.0, 15.25], [-93.25, 15.35], [-93.5, 15.25], [-94.03, 15.47], [-94.18, 15.82], [-94.25, 15.85], [-94.5, 15.75], [-94.75, 15.85], [-95.0, 15.75], [-95.25, 15.85], [-95.32, 15.82], [-95.47, 15.47], [-96.0, 15.25], [-96.53, 15.47], [-96.75, 16.0], [-96.53, 16.53], [-96.18, 16.68], [-96.04, 17.0], [-96.18, 17.32], [-96.53, 17.47], [-96.68, 17.82], [-97.03, 17.97], [-97.25, 18.5]]]]}, "2011-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.53, 15.47], [-96.75, 16.0], [-96.53, 16.53], [-96.0, 16.75], [-95.47, 16.53], [-95.25, 16.0], [-95.47, 15.47], [-96.0, 15.25], [-96.53, 15.47]]], [[[-95.03, 15.97], [-95.25, 16.5], [-95.03, 17.03], [-94.5, 17.25], [-93.97, 17.03], [-93.75, 16.5], [-93.97, 15.97], [-94.5, 15.75], [-95.03, 15.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.383143018437977}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2754601901327525}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.039790347421786, 25.73432826956713, 25.682954345012092, 25.64845137158875, 25.499224911384545]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.773136345477383, 28.295718468958626, 28.637247993848405, 27.841255804233867, 26.834845736153397]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.159500788519717, 2.3827429458064877, 2.366409387841893, 2.1675480661771958, 1.7343066080139238]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5236609769003735, 3.2461544460252867, 3.383143018437977, 2.6335110795490664, 2.053751728638531]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.330069470770492, 1.4689257639285813, 1.4775176040448232, 1.3973390518087143, 1.4005003818230695]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7100425006543838, 2.1048721413584484, 1.8271238759331705, 1.7747877485089592, 1.4196890417526016]}}