{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:56.425222", "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": "2013-Mar-22_to_2013-Mar-28_86.5_21.5"}, "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": 2013030002288}, "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 22 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 28 2013"}, "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": 66479.8971747845}, "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": ["India"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": 21.5}, "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": 86.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "86.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 83.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 86.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.5, 22.25], [87.03, 22.03], [87.25, 21.5], [87.03, 20.97], [86.5, 20.75], [85.97, 20.97], [85.75, 21.5], [85.97, 22.03], [86.5, 22.25]]]]}, "2013-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.5, 22.25], [87.03, 22.03], [87.25, 21.5], [87.03, 20.97], [86.5, 20.75], [85.97, 20.97], [85.75, 21.5], [85.97, 22.03], [86.5, 22.25]]]]}, "2013-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[86.5, 22.25], [87.03, 22.03], [87.25, 21.5], [87.03, 20.97], [86.5, 20.75], [85.97, 20.97], [85.75, 21.5], [85.97, 22.03], [86.5, 22.25]]]]}, "2013-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.97, 22.03], [84.32, 22.18], [84.47, 22.53], [85.0, 22.75], [85.5, 22.54], [86.0, 22.75], [86.25, 22.65], [86.5, 22.75], [87.03, 22.53], [87.25, 22.0], [87.15, 21.75], [87.25, 21.5], [87.15, 21.25], [87.25, 21.0], [87.15, 20.75], [87.25, 20.5], [87.03, 19.97], [86.68, 19.82], [86.53, 19.47], [86.0, 19.25], [85.7, 19.38], [85.53, 18.97], [85.18, 18.82], [85.03, 18.47], [84.5, 18.25], [84.25, 18.35], [84.0, 18.25], [83.47, 18.47], [83.25, 19.0], [83.47, 19.53], [84.0, 19.75], [84.25, 19.65], [84.32, 19.68], [84.35, 19.75], [84.32, 19.82], [83.97, 19.97], [83.75, 20.5], [83.96, 21.0], [83.75, 21.5], [83.97, 22.03]]]]}, "2013-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.75, 20.5], [83.96, 21.0], [83.75, 21.5], [83.97, 22.03], [84.32, 22.18], [84.47, 22.53], [85.0, 22.75], [85.5, 22.54], [86.0, 22.75], [86.25, 22.65], [86.5, 22.75], [87.03, 22.53], [87.25, 22.0], [87.15, 21.75], [87.25, 21.5], [87.15, 21.25], [87.25, 21.0], [87.15, 20.75], [87.25, 20.5], [87.03, 19.97], [86.68, 19.82], [86.53, 19.47], [86.0, 19.25], [85.7, 19.38], [85.53, 18.97], [85.18, 18.82], [85.03, 18.47], [84.5, 18.25], [84.25, 18.35], [84.0, 18.25], [83.47, 18.47], [83.25, 19.0], [83.47, 19.53], [83.82, 19.68], [83.96, 20.0], [83.75, 20.5]]]]}, "2013-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.75, 20.5], [83.96, 21.0], [83.75, 21.5], [83.97, 22.03], 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anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7235183083692505}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2970637513085506}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.079738612589267, 30.03684214496019, 30.119105138338284, 30.578548700149327, 30.91984142503179, 30.493502518363528, 30.67236981152496]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.079738612589267, 30.03684214496019, 30.119105138338284, 31.780173006489917, 32.401979942442665, 32.26891648113923, 31.31107442578167]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.33579726394197, 2.231658588174753, 2.2612515961357644, 2.268456960378046, 2.596344567169336, 2.11941354134575, 1.875929605406668]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.33579726394197, 2.231658588174753, 2.2612515961357644, 3.7235183083692505, 3.481499879745968, 2.9010922730667517, 2.3972331458939493]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4506983032526914, 1.3403728319998185, 1.35114888976759, 1.6499911084089673, 1.8554918782189207, 1.4233078279171636, 1.44442596773729]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4506983032526914, 1.3403728319998185, 1.35114888976759, 2.1976727653852617, 2.4776376972189924, 1.7522926479651493, 1.6750389185475245]}}