{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:18.683240", "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": "2018-Jul-14_to_2018-Jul-19_53.0_24.5"}, "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": 2018070002371}, "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": "July 14 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 19 2018"}, "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": 75275.49937984826}, "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": ["Qatar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "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": ["Persian Gulf"]}, "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": 24.5}, "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": 53.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "53.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 51.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 54.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.5, 27.75], [52.03, 27.53], [52.25, 27.0], [52.03, 26.47], [51.5, 26.25], [50.97, 26.47], [50.75, 27.0], [50.97, 27.53], [51.5, 27.75]]]]}, "2018-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.85, 25.75], [50.75, 26.0], [50.85, 26.25], [50.75, 26.5], [50.85, 26.75], [50.75, 27.0], [50.97, 27.53], [51.5, 27.75], [52.03, 27.53], [52.18, 27.18], [52.25, 27.15], [52.32, 27.18], [52.47, 27.53], [53.0, 27.75], [53.53, 27.53], [53.75, 27.0], [53.65, 26.75], [53.68, 26.68], [54.03, 26.53], [54.18, 26.18], [54.53, 26.03], [54.75, 25.5], [54.65, 25.25], [54.75, 25.0], [54.53, 24.47], [54.18, 24.32], [54.03, 23.97], [53.5, 23.75], [53.25, 23.85], [53.0, 23.75], [52.75, 23.85], [52.68, 23.82], [52.53, 23.47], [52.0, 23.25], [51.47, 23.47], [51.25, 24.0], [51.38, 24.3], [50.97, 24.47], [50.75, 25.0], [50.85, 25.25], [50.75, 25.5], [50.85, 25.75]]]]}, "2018-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.85, 25.75], [50.75, 26.0], [50.85, 26.25], [50.75, 26.5], [50.85, 26.75], [50.75, 27.0], [50.97, 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[54.18, 24.32], [54.03, 23.97], [53.5, 23.75], [53.25, 23.85], [53.0, 23.75], [52.75, 23.85], [52.68, 23.82], [52.53, 23.47], [52.0, 23.25], [51.47, 23.47], [51.25, 24.0], [51.38, 24.3], [50.97, 24.47], [50.75, 25.0], [50.85, 25.25], [50.75, 25.5], [50.85, 25.75]]]]}, "2018-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.25, 25.0], [51.47, 25.53], [52.0, 25.75], [52.53, 25.53], [52.68, 25.18], [52.75, 25.15], [53.0, 25.25], [53.53, 25.03], [53.75, 24.5], [53.53, 23.97], [53.0, 23.75], [52.75, 23.85], [52.5, 23.75], [51.97, 23.97], [51.82, 24.32], [51.47, 24.47], [51.25, 25.0]]]]}, "2018-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.97, 23.97], [51.75, 24.5], [51.97, 25.03], [52.5, 25.25], [52.75, 25.15], [53.0, 25.25], [53.53, 25.03], [53.75, 24.5], [53.53, 23.97], [53.0, 23.75], [52.75, 23.85], [52.5, 23.75], [51.97, 23.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2602122541881045}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0900775867261583}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.21815827212487, 35.328243893137824, 35.6034038270559, 34.82562091170547, 34.910545364584436, 35.01226424042784]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.21815827212487, 37.98135462744102, 37.88993657274398, 36.85214617201626, 35.033351116556844, 35.01812863793117]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5142845902639692, 2.2468809534530663, 2.477447034102818, 1.658930587573534, 1.4417025077804624, 1.6091147019617438]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution 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