{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:01.109035", "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": "2023-Jun-12_to_2023-Jun-18_66.5_25.0"}, "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": 2023060001982}, "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": "June 12 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 84488.04627132241}, "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": ["Pakistan"]}, "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": ["Arabian Sea"]}, "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": 25.0}, "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": 66.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "66.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 62.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 67.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[62.75, 24.65], [62.82, 24.68], [62.97, 25.03], [63.32, 25.18], [63.47, 25.53], [63.82, 25.68], [63.97, 26.03], [64.5, 26.25], [64.75, 26.15], [65.0, 26.25], [65.53, 26.03], [65.68, 25.68], [65.75, 25.65], [65.82, 25.68], [65.97, 26.03], [66.5, 26.25], [67.03, 26.03], [67.25, 25.5], [67.15, 25.25], [67.18, 25.18], [67.53, 25.03], [67.75, 24.5], [67.53, 23.97], [67.0, 23.75], [66.75, 23.85], [66.5, 23.75], [66.25, 23.85], [66.0, 23.75], [65.75, 23.85], [65.68, 23.82], [65.65, 23.75], [65.75, 23.5], [65.65, 23.25], [65.75, 23.0], [65.53, 22.47], [65.0, 22.25], [64.47, 22.47], [64.32, 22.82], [64.25, 22.85], [64.18, 22.82], [64.03, 22.47], [63.5, 22.25], [62.97, 22.47], [62.82, 22.82], [62.47, 22.97], [62.32, 23.32], [61.97, 23.47], [61.75, 24.0], [61.97, 24.53], [62.5, 24.75], [62.75, 24.65]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "Arabian-Sea"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.75, 24.0], [63.97, 24.53], [64.32, 24.68], [64.35, 24.75], [64.25, 25.0], [64.47, 25.53], [65.0, 25.75], [65.25, 25.65], [65.5, 25.75], [65.75, 25.65], [65.82, 25.68], [65.97, 26.03], [66.5, 26.25], [67.03, 26.03], [67.25, 25.5], [67.15, 25.25], [67.18, 25.18], [67.53, 25.03], [67.75, 24.5], [67.53, 23.97], [67.0, 23.75], [66.75, 23.85], [66.5, 23.75], [66.25, 23.85], [66.0, 23.75], [65.75, 23.85], [65.68, 23.82], [65.65, 23.75], [65.75, 23.5], [65.65, 23.25], [65.75, 23.0], [65.53, 22.47], [65.0, 22.25], [64.47, 22.47], [64.32, 22.82], [63.97, 22.97], [63.75, 23.5], [63.85, 23.75], [63.75, 24.0]]]]}, "2023-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 23.47], [61.75, 24.0], [61.97, 24.53], [62.5, 24.75], [62.75, 24.65], [62.82, 24.68], [62.97, 25.03], [63.32, 25.18], [63.47, 25.53], [63.82, 25.68], [63.97, 26.03], [64.5, 26.25], [64.75, 26.15], [65.0, 26.25], [65.53, 26.03], [65.68, 25.68], [65.75, 25.65], [65.82, 25.68], [65.97, 26.03], [66.5, 26.25], [67.03, 26.03], [67.25, 25.5], [67.15, 25.25], [67.18, 25.18], [67.53, 25.03], [67.75, 24.5], [67.53, 23.97], [67.0, 23.75], [66.75, 23.85], [66.5, 23.75], [66.25, 23.85], [66.0, 23.75], [65.75, 23.85], [65.68, 23.82], [65.65, 23.75], [65.75, 23.5], [65.65, 23.25], [65.75, 23.0], [65.53, 22.47], [65.0, 22.25], [64.47, 22.47], [64.32, 22.82], [64.25, 22.85], [64.18, 22.82], [64.03, 22.47], [63.5, 22.25], [62.97, 22.47], [62.82, 22.82], [62.47, 22.97], [62.32, 23.32], [61.97, 23.47]]]]}, "2023-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 23.47], [61.75, 24.0], [61.97, 24.53], [62.5, 24.75], [62.75, 24.65], [62.82, 24.68], [62.97, 25.03], [63.32, 25.18], [63.47, 25.53], [63.82, 25.68], [63.97, 26.03], [64.5, 26.25], [64.75, 26.15], [65.0, 26.25], [65.53, 26.03], [65.68, 25.68], [65.75, 25.65], [65.82, 25.68], [65.97, 26.03], [66.5, 26.25], [67.03, 26.03], [67.25, 25.5], [67.15, 25.25], [67.18, 25.18], [67.53, 25.03], [67.75, 24.5], [67.53, 23.97], [67.0, 23.75], [66.75, 23.85], [66.5, 23.75], [66.25, 23.85], [66.0, 23.75], [65.75, 23.85], [65.68, 23.82], [65.65, 23.75], [65.75, 23.5], [65.65, 23.25], [65.75, 23.0], [65.53, 22.47], [65.0, 22.25], [64.47, 22.47], [64.32, 22.82], [64.25, 22.85], [64.18, 22.82], [64.03, 22.47], [63.5, 22.25], [62.97, 22.47], [62.82, 22.82], [62.47, 22.97], [62.32, 23.32], [61.97, 23.47]]]]}, "2023-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 23.47], [61.75, 24.0], [61.97, 24.53], [62.5, 24.75], [62.75, 24.65], [62.82, 24.68], [62.97, 25.03], [63.32, 25.18], [63.47, 25.53], [63.82, 25.68], [63.97, 26.03], [64.5, 26.25], [64.75, 26.15], [65.0, 26.25], [65.53, 26.03], [65.68, 25.68], [65.75, 25.65], [65.82, 25.68], [65.97, 26.03], [66.5, 26.25], [67.03, 26.03], [67.25, 25.5], [67.15, 25.25], [67.25, 25.0], [67.03, 24.47], [66.68, 24.32], [66.53, 23.97], [66.0, 23.75], [65.75, 23.85], [65.68, 23.82], [65.65, 23.75], [65.75, 23.5], [65.53, 22.97], [65.0, 22.75], [64.5, 22.96], [64.18, 22.82], [64.03, 22.47], [63.5, 22.25], [62.97, 22.47], [62.82, 22.82], [62.47, 22.97], [62.32, 23.32], [61.97, 23.47]]]]}, "2023-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 26.03], [65.0, 26.25], [65.53, 26.03], [65.68, 25.68], [65.75, 25.65], [65.82, 25.68], [65.97, 26.03], [66.5, 26.25], [67.03, 26.03], [67.25, 25.5], [67.15, 25.25], [67.25, 25.0], [67.03, 24.47], [66.5, 24.25], [66.25, 24.35], [66.0, 24.25], [65.75, 24.35], [65.5, 24.25], [65.25, 24.35], [65.0, 24.25], [64.5, 24.46], [64.0, 24.25], [63.47, 24.47], [63.25, 25.0], [63.47, 25.53], [64.0, 25.75], [64.3, 25.63], [64.47, 26.03]]]]}, "2023-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.0, 24.25], [63.47, 24.47], [63.25, 25.0], [63.47, 25.53], [64.0, 25.75], [64.53, 25.53], [64.75, 25.0], [64.53, 24.47], [64.0, 24.25]]], [[[65.97, 26.03], [66.5, 26.25], [67.03, 26.03], [67.25, 25.5], [67.15, 25.25], [67.25, 25.0], [67.03, 24.47], [66.5, 24.25], [65.97, 24.47], [65.75, 25.0], [65.85, 25.25], [65.75, 25.5], [65.97, 26.03]]]]}, "2023-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[65.97, 25.53], [66.5, 25.75], [67.03, 25.53], [67.25, 25.0], [67.03, 24.47], [66.5, 24.25], [65.97, 24.47], [65.75, 25.0], [65.97, 25.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6129480881907625}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3244575504338418}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.437010524023833, 30.66124011567655, 30.522186563232253, 30.70404074799933, 31.254458006919094, 30.60451529459516, 29.675642592142992]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.03256935636654, 34.35787912430794, 34.402146290429584, 34.5531465126445, 34.58798641190691, 32.45545667211417, 29.675642592142992]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.312543231941955, 1.3611784024247735, 1.21708535674155, 1.3490297149429777, 1.7385383783753972, 1.0573794209822154, 0.8865048943794136]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0755168672226887, 3.1031743131388225, 2.5329005908085946, 2.830757859468804, 3.6129480881907625, 1.4779113390953853, 0.8865048943794136]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9230101670740904, 1.9917519772669359, 1.832838642151473, 1.9870303228016686, 2.128536604133145, 1.3554079704429, 1.200912209325308]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.762718234811435, 3.285672452991707, 3.0634068530565615, 3.303591027236322, 3.8704446918013544, 1.5586134203977748, 1.200912209325308]}}