{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:42.927680", "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-Jan-31_to_2011-Feb-05_67.5_29.0"}, "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": 2011010002738}, "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 31 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 05 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 99501.59372969485}, "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", "Pakistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "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": 29.0}, "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": 67.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "67.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 64.75}, "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": 27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[65.5, 30.75], [66.03, 30.53], [66.25, 30.0], [66.15, 29.75], 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[64.47, 27.47], [64.25, 28.0], [64.35, 28.25], [64.25, 28.5], [64.46, 29.0]]]]}, "2011-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 29.03], [64.82, 29.18], [64.97, 29.53], [65.32, 29.68], [65.47, 30.03], [66.0, 30.25], [66.25, 30.15], [66.5, 30.25], [66.8, 30.13], [66.97, 30.53], [67.5, 30.75], [67.75, 30.65], [67.82, 30.68], [67.97, 31.03], [68.38, 31.2], [68.25, 31.5], [68.47, 32.03], [69.0, 32.25], [69.25, 32.15], [69.5, 32.25], [69.75, 32.15], [70.0, 32.25], [70.53, 32.03], [70.75, 31.5], [70.65, 31.25], [70.75, 31.0], [70.53, 30.47], [70.18, 30.32], [70.04, 30.0], [70.25, 29.5], [70.03, 28.97], [69.5, 28.75], [69.25, 28.85], [69.0, 28.75], [68.75, 28.85], [68.68, 28.82], [68.53, 28.47], [68.18, 28.32], [68.03, 27.97], [67.5, 27.75], [67.25, 27.85], [67.18, 27.82], [67.03, 27.47], [66.5, 27.25], [66.0, 27.46], [65.5, 27.25], [65.25, 27.35], [65.0, 27.25], [64.47, 27.47], [64.25, 28.0], [64.35, 28.25], [64.25, 28.5], [64.47, 29.03]]]]}, 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"value": 8.129970699345108}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.547641896392444}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.98166504647844, 14.201935412926048, 14.905052092062306, 14.350430846905738, 18.3422358342126, 19.960485519622978]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.526454412774, 19.42077124009188, 20.014845699964383, 20.133947269677776, 20.793045453059165, 20.30406444611208]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.270242155932617, 4.900945526739421, 4.895136605191354, 4.159124137292866, 3.487764346822658, 3.233842352994581]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m 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