{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:08.886699", "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": "2021-Jan-30_to_2021-Feb-02_68.0_38.0"}, "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": 2021010002714}, "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 30 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2021"}, "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": 68823.84165272568}, "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": ["Afghanistan", "Tajikistan", "Turkmenistan", "Uzbekistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 38.0}, "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": 68.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "68.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 65.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 70.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 35.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[65.75, 38.0], [65.97, 38.53], [66.32, 38.68], [66.47, 39.03], [67.0, 39.25], [67.53, 39.03], [67.68, 38.68], [67.75, 38.65], [68.0, 38.75], [68.53, 38.53], [68.68, 38.18], [69.03, 38.03], [69.25, 37.5], [69.03, 36.97], [68.5, 36.75], [69.03, 36.53], [69.25, 36.0], [69.03, 35.47], [68.5, 35.25], [68.25, 35.35], [68.0, 35.25], [67.75, 35.35], [67.5, 35.25], [66.97, 35.47], [66.75, 36.0], [66.85, 36.25], [66.82, 36.32], [66.75, 36.35], [66.5, 36.25], [66.25, 36.35], [66.0, 36.25], [65.47, 36.47], [65.25, 37.0], [65.47, 37.53], [65.82, 37.68], [65.85, 37.75], [65.75, 38.0]], [[68.25, 36.85], [68.13, 36.8], [68.18, 36.68], [68.25, 36.65], [68.5, 36.75], [68.25, 36.85]]]]}, "2021-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[65.75, 38.0], [65.97, 38.53], [66.32, 38.68], [66.47, 39.03], [67.0, 39.25], [67.53, 39.03], [67.68, 38.68], [67.75, 38.65], [67.82, 38.68], [67.97, 39.03], [68.5, 39.25], [69.03, 39.03], [69.18, 38.68], [69.5, 38.54], [70.0, 38.75], [70.53, 38.53], [70.75, 38.0], [70.65, 37.75], [70.75, 37.5], [70.65, 37.25], [70.75, 37.0], [70.53, 36.47], [70.0, 36.25], [69.75, 36.35], [69.68, 36.32], [69.53, 35.97], [69.18, 35.82], [69.03, 35.47], [68.5, 35.25], [68.25, 35.35], [68.0, 35.25], [67.75, 35.35], [67.5, 35.25], [66.97, 35.47], [66.75, 36.0], [66.85, 36.25], [66.82, 36.32], [66.75, 36.35], [66.5, 36.25], [66.25, 36.35], [66.0, 36.25], [65.47, 36.47], [65.25, 37.0], [65.47, 37.53], [65.82, 37.68], [65.85, 37.75], [65.75, 38.0]]]]}, "2021-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[65.75, 38.0], [65.97, 38.53], [66.32, 38.68], [66.47, 39.03], [67.0, 39.25], [67.53, 39.03], [67.68, 38.68], [67.75, 38.65], [67.82, 38.68], [67.97, 39.03], [68.5, 39.25], [69.03, 39.03], [69.18, 38.68], [69.5, 38.54], [70.0, 38.75], [70.53, 38.53], [70.75, 38.0], [70.65, 37.75], [70.75, 37.5], [70.65, 37.25], [70.75, 37.0], [70.53, 36.47], [70.0, 36.25], [69.75, 36.35], [69.68, 36.32], [69.53, 35.97], [69.18, 35.82], [69.03, 35.47], [68.5, 35.25], [68.25, 35.35], [68.0, 35.25], [67.75, 35.35], [67.5, 35.25], [66.97, 35.47], [66.75, 36.0], [66.85, 36.25], [66.82, 36.32], [66.75, 36.35], [66.5, 36.25], [66.25, 36.35], [66.0, 36.25], [65.47, 36.47], [65.25, 37.0], [65.47, 37.53], [65.82, 37.68], [65.85, 37.75], [65.75, 38.0]]]]}, "2021-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[66.47, 36.47], [66.25, 37.0], [66.47, 37.53], [67.0, 37.75], [67.25, 37.65], [67.38, 37.7], [67.25, 38.0], [67.47, 38.53], [67.82, 38.68], [67.97, 39.03], [68.5, 39.25], [69.03, 39.03], [69.18, 38.68], [69.5, 38.54], [70.0, 38.75], [70.53, 38.53], [70.75, 38.0], [70.65, 37.75], [70.75, 37.5], [70.65, 37.25], [70.75, 37.0], [70.53, 36.47], [70.0, 36.25], [69.75, 36.35], [69.68, 36.32], [69.53, 35.97], [69.0, 35.75], [68.47, 35.97], [68.3, 36.38], [68.0, 36.25], [67.75, 36.35], [67.5, 36.25], [67.25, 36.35], [67.0, 36.25], [66.47, 36.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.329831539327586}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.384851057918262}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.279198273220288, 9.192883218468012, 9.798721785209409, 9.302518798578888]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.70646172587152, 14.038109541197116, 14.170185899391356, 12.341862255917988]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.325717713481666, 6.269152868891425, 6.799362048449565, 5.890142729175618]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.558496737107532, 8.163099858899557, 8.329831539327586, 7.170716300255378]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3761480470279337, 1.348331530803874, 1.4266353432816117, 1.2301348808867631]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6066304148198094, 1.6736518415975614, 1.730727802084877, 1.4349847891336116]}}