{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:01.111068", "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-Mar-11_to_2011-Mar-14_67.0_37.5"}, "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": 2011030001932}, "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": "March 11 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 14 2011"}, "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": 77746.63352510444}, "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": 37.5}, "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": 67.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "67.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 63.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 68.75}, "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": 40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.75, 39.5], [63.97, 40.03], [64.32, 40.18], [64.47, 40.53], [65.0, 40.75], [65.25, 40.65], [65.5, 40.75], [66.03, 40.53], [66.18, 40.18], [66.25, 40.15], [66.5, 40.25], [66.75, 40.15], [66.82, 40.18], [66.97, 40.53], [67.5, 40.75], [68.03, 40.53], [68.25, 40.0], [68.03, 39.47], [67.68, 39.32], [67.53, 38.97], [67.0, 38.75], [66.75, 38.85], [66.5, 38.75], [67.03, 38.53], [67.18, 38.18], [67.25, 38.15], [67.5, 38.25], [68.03, 38.03], [68.25, 37.5], [68.03, 36.97], [67.68, 36.82], [67.53, 36.47], [67.0, 36.25], [66.75, 36.35], [66.5, 36.25], [66.25, 36.35], [66.0, 36.25], [65.47, 36.47], [65.32, 36.82], [65.25, 36.85], [65.0, 36.75], [64.47, 36.97], [64.32, 37.32], [64.25, 37.35], [64.0, 37.25], [63.47, 37.47], [63.25, 38.0], [63.47, 38.53], [63.82, 38.68], [63.96, 39.0], [63.75, 39.5]], [[66.25, 38.85], [66.0, 38.75], [65.75, 38.85], [65.68, 38.82], [65.63, 38.7], [66.0, 38.54], [66.5, 38.75], [66.25, 38.85]]]]}, "2011-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.75, 39.5], [63.97, 40.03], [64.32, 40.18], [64.47, 40.53], [65.0, 40.75], [65.25, 40.65], [65.5, 40.75], [66.03, 40.53], [66.18, 40.18], [66.25, 40.15], [66.5, 40.25], [66.75, 40.15], [66.82, 40.18], [66.97, 40.53], [67.5, 40.75], [68.03, 40.53], [68.25, 40.0], [68.15, 39.75], [68.25, 39.5], [68.03, 38.97], [67.5, 38.75], [67.75, 38.65], [68.0, 38.75], [68.53, 38.53], [68.75, 38.0], [68.65, 37.75], [68.75, 37.5], [68.63, 37.2], [69.03, 37.03], [69.25, 36.5], [69.15, 36.25], [69.25, 36.0], [69.03, 35.47], [68.5, 35.25], [67.97, 35.47], [67.82, 35.82], [67.75, 35.85], [67.5, 35.75], [66.97, 35.97], [66.82, 36.32], [66.75, 36.35], [66.5, 36.25], [66.25, 36.35], [66.0, 36.25], [65.47, 36.47], [65.32, 36.82], [65.25, 36.85], [65.0, 36.75], [64.47, 36.97], [64.32, 37.32], [64.25, 37.35], [64.0, 37.25], [63.47, 37.47], [63.25, 38.0], [63.47, 38.53], [63.82, 38.68], [63.96, 39.0], [63.75, 39.5]], [[67.25, 38.85], [67.0, 38.75], [66.75, 38.85], [66.5, 38.75], [67.0, 38.54], [67.5, 38.75], [67.25, 38.85]], [[66.25, 38.85], [66.0, 38.75], [65.75, 38.85], [65.68, 38.82], [65.63, 38.7], [66.0, 38.54], [66.5, 38.75], [66.25, 38.85]]]]}, "2011-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.75, 39.5], [63.97, 40.03], [64.32, 40.18], [64.47, 40.53], [65.0, 40.75], [65.25, 40.65], [65.5, 40.75], [66.03, 40.53], [66.18, 40.18], [66.25, 40.15], [66.5, 40.25], [66.75, 40.15], [66.82, 40.18], [66.97, 40.53], [67.5, 40.75], [68.03, 40.53], [68.25, 40.0], [68.15, 39.75], [68.25, 39.5], [68.03, 38.97], [67.5, 38.75], [67.75, 38.65], [68.0, 38.75], [68.53, 38.53], [68.75, 38.0], [68.65, 37.75], [68.75, 37.5], [68.63, 37.2], [69.03, 37.03], [69.25, 36.5], [69.15, 36.25], [69.25, 36.0], [69.03, 35.47], [68.5, 35.25], [67.97, 35.47], [67.82, 35.82], [67.75, 35.85], [67.5, 35.75], [66.97, 35.97], [66.82, 36.32], [66.75, 36.35], [66.5, 36.25], [66.25, 36.35], [66.0, 36.25], [65.47, 36.47], [65.32, 36.82], [65.25, 36.85], [65.0, 36.75], [64.47, 36.97], [64.32, 37.32], [64.25, 37.35], [64.0, 37.25], [63.47, 37.47], [63.25, 38.0], [63.47, 38.53], [63.82, 38.68], [63.96, 39.0], [63.75, 39.5]], [[67.25, 38.85], [67.0, 38.75], [66.75, 38.85], [66.5, 38.75], [67.0, 38.54], [67.5, 38.75], [67.25, 38.85]], [[66.25, 38.85], [66.0, 38.75], [65.75, 38.85], [65.68, 38.82], [65.63, 38.7], [66.0, 38.54], [66.5, 38.75], [66.25, 38.85]]]]}, "2011-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[67.75, 38.65], [68.0, 38.75], [68.53, 38.53], [68.75, 38.0], [68.65, 37.75], [68.75, 37.5], [68.63, 37.2], [69.03, 37.03], [69.25, 36.5], [69.15, 36.25], [69.25, 36.0], [69.03, 35.47], [68.5, 35.25], [67.97, 35.47], [67.82, 35.82], [67.75, 35.85], [67.5, 35.75], [66.97, 35.97], [66.75, 36.5], [66.88, 36.8], [66.47, 36.97], [66.25, 37.5], [66.47, 38.03], [66.82, 38.18], [66.97, 38.53], [67.5, 38.75], [67.75, 38.65]]], [[[66.97, 40.03], [67.5, 40.25], [68.03, 40.03], [68.25, 39.5], [68.03, 38.97], [67.5, 38.75], [66.97, 38.97], [66.75, 39.5], [66.97, 40.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.035692509547573}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.599997252411856}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.32956836125078, 17.40772638527818, 18.05768878353325, 16.870561701388056]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.634193371932668, 20.26061145424154, 22.295352390721234, 20.464489409420764]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.326760123556274, 7.667329482231997, 7.957814410326108, 6.8952883209152045]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.614661307540416, 10.035692509547573, 9.172229096044589, 7.617919970404614]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4842034971470361, 1.6061465509371153, 1.6576020502037137, 1.5339110961097546]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7057749915921232, 2.0029748646742975, 1.9384621312047008, 1.777953626421275]}}