{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:15.466848", "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": "2015-Nov-13_to_2015-Nov-18_41.0_19.5"}, "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": 2015110001653}, "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": "November 13 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 18 2015"}, "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": 121423.93575608896}, "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": ["Saudi Arabia"]}, "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": ["Red 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": 19.5}, "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": 41.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "41.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.47, 18.97], [40.25, 19.5], [40.47, 20.03], [41.0, 20.25], [41.53, 20.03], [41.75, 19.5], [41.53, 18.97], [41.0, 18.75], [40.47, 18.97]]], [[[39.5, 23.75], [40.03, 23.53], [40.25, 23.0], [40.15, 22.75], [40.18, 22.68], [40.25, 22.65], [40.5, 22.75], [41.03, 22.53], [41.25, 22.0], [41.15, 21.75], [41.25, 21.5], [41.15, 21.25], [41.25, 21.0], [41.03, 20.47], [40.5, 20.25], [40.25, 20.35], [40.0, 20.25], [39.47, 20.47], [39.25, 21.0], [39.46, 21.5], [39.32, 21.82], [38.97, 21.97], [38.75, 22.5], [38.85, 22.75], [38.75, 23.0], [38.97, 23.53], [39.5, 23.75]]]]}, "2015-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.0, 26.25], [38.25, 26.15], [38.32, 26.18], [38.35, 26.25], [38.25, 26.5], [38.35, 26.75], [38.25, 27.0], [38.35, 27.25], [38.25, 27.5], [38.47, 28.03], [39.0, 28.25], [39.25, 28.15], [39.5, 28.25], [40.03, 28.03], [40.18, 27.68], [40.53, 27.53], [40.75, 27.0], [40.53, 26.47], [40.18, 26.32], [40.15, 26.25], [40.25, 26.0], [40.15, 25.75], [40.25, 25.5], [40.15, 25.25], [40.18, 25.18], [40.53, 25.03], [40.75, 24.5], [40.54, 24.0], [40.75, 23.5], [40.65, 23.25], [40.75, 23.0], [40.65, 22.75], [40.68, 22.68], [41.03, 22.53], [41.25, 22.0], [41.15, 21.75], [41.25, 21.5], [41.15, 21.25], [41.25, 21.0], [41.03, 20.47], [40.68, 20.32], [40.57, 20.07], [41.0, 20.25], [41.53, 20.03], [41.75, 19.5], [41.53, 18.97], [41.0, 18.75], [40.47, 18.97], [40.25, 19.5], [40.43, 19.93], [40.0, 19.75], [39.75, 19.85], [39.5, 19.75], [38.97, 19.97], [38.75, 20.5], [38.85, 20.75], [38.75, 21.0], [38.85, 21.25], [38.75, 21.5], [38.85, 21.75], [38.75, 22.0], [38.85, 22.25], [38.75, 22.5], [38.85, 22.75], [38.82, 22.82], [38.47, 22.97], [38.25, 23.5], [38.35, 23.75], [38.32, 23.82], [37.97, 23.97], [37.82, 24.32], [37.75, 24.35], [37.5, 24.25], [36.97, 24.47], [36.75, 25.0], [36.97, 25.53], [37.32, 25.68], [37.47, 26.03], [38.0, 26.25]]]]}, "2015-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.0, 26.25], [38.25, 26.15], [38.32, 26.18], [38.35, 26.25], [38.25, 26.5], [38.35, 26.75], [38.25, 27.0], [38.35, 27.25], [38.25, 27.5], [38.47, 28.03], [39.0, 28.25], [39.25, 28.15], [39.5, 28.25], [40.03, 28.03], [40.18, 27.68], [40.53, 27.53], [40.75, 27.0], [40.53, 26.47], [40.18, 26.32], [40.15, 26.25], [40.25, 26.0], [40.15, 25.75], [40.25, 25.5], [40.15, 25.25], [40.18, 25.18], [40.53, 25.03], [40.75, 24.5], [40.54, 24.0], [40.75, 23.5], [40.65, 23.25], [40.75, 23.0], [40.65, 22.75], [40.68, 22.68], [41.03, 22.53], [41.25, 22.0], [41.15, 21.75], [41.25, 21.5], [41.15, 21.25], [41.25, 21.0], [41.04, 20.5], [41.18, 20.18], [41.53, 20.03], [41.75, 19.5], [41.53, 18.97], [41.0, 18.75], [40.47, 18.97], [40.32, 19.32], [39.97, 19.47], [39.82, 19.82], [39.75, 19.85], [39.5, 19.75], [38.97, 19.97], [38.75, 20.5], [38.85, 20.75], [38.75, 21.0], [38.85, 21.25], [38.75, 21.5], [38.85, 21.75], [38.75, 22.0], [38.85, 22.25], [38.75, 22.5], [38.85, 22.75], [38.82, 22.82], [38.47, 22.97], [38.25, 23.5], [38.35, 23.75], [38.32, 23.82], [37.97, 23.97], [37.82, 24.32], [37.75, 24.35], [37.5, 24.25], [36.97, 24.47], [36.75, 25.0], [36.97, 25.53], [37.32, 25.68], [37.47, 26.03], [38.0, 26.25]]]]}, "2015-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.0, 26.25], [38.25, 26.15], [38.32, 26.18], [38.35, 26.25], [38.25, 26.5], [38.35, 26.75], [38.25, 27.0], [38.35, 27.25], [38.25, 27.5], [38.47, 28.03], [39.0, 28.25], [39.25, 28.15], [39.5, 28.25], [40.03, 28.03], [40.18, 27.68], [40.53, 27.53], [40.75, 27.0], [40.53, 26.47], [40.18, 26.32], [40.15, 26.25], [40.25, 26.0], [40.15, 25.75], [40.25, 25.5], [40.15, 25.25], [40.18, 25.18], [40.53, 25.03], [40.75, 24.5], [40.54, 24.0], [40.75, 23.5], [40.65, 23.25], [40.75, 23.0], [40.65, 22.75], [40.68, 22.68], [41.03, 22.53], [41.25, 22.0], [41.15, 21.75], [41.25, 21.5], [41.03, 20.97], [40.68, 20.82], [40.65, 20.75], [40.68, 20.68], [41.03, 20.53], [41.18, 20.18], [41.53, 20.03], [41.75, 19.5], [41.53, 18.97], [41.0, 18.75], [40.47, 18.97], [40.32, 19.32], [39.97, 19.47], [39.82, 19.82], [39.75, 19.85], [39.5, 19.75], [38.97, 19.97], [38.75, 20.5], [38.85, 20.75], [38.75, 21.0], [38.85, 21.25], [38.75, 21.5], [38.85, 21.75], [38.75, 22.0], [38.85, 22.25], [38.75, 22.5], [38.85, 22.75], [38.82, 22.82], [38.47, 22.97], [38.25, 23.5], [38.35, 23.75], [38.32, 23.82], [37.97, 23.97], [37.82, 24.32], [37.75, 24.35], [37.5, 24.25], [36.97, 24.47], [36.75, 25.0], [36.97, 25.53], [37.32, 25.68], [37.47, 26.03], [38.0, 26.25]]]]}, "2015-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.25, 20.5], [39.47, 21.03], [40.0, 21.25], [40.53, 21.03], [40.68, 20.68], [41.03, 20.53], [41.18, 20.18], [41.53, 20.03], [41.75, 19.5], [41.53, 18.97], [41.0, 18.75], [40.47, 18.97], [40.32, 19.32], [39.97, 19.47], [39.82, 19.82], [39.47, 19.97], [39.25, 20.5]]]]}, "2015-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.0, 20.25], [41.53, 20.03], [41.75, 19.5], [41.53, 18.97], [41.0, 18.75], [40.47, 18.97], [40.25, 19.5], [40.47, 20.03], [41.0, 20.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.488555770493576}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.8925879817571203}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.924818793707175, 25.906097465599714, 26.47128568117222, 25.97956280559265, 29.496304514407655, 29.56633429244448]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.587747504157335, 30.120725500723154, 30.58761308999607, 30.974188217892674, 29.797257821556684, 29.56633429244448]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8975135303234083, 2.6999210713191153, 3.3328889652300524, 2.9870597613367442, 1.2492325481556652, 0.9745031007471425]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2095008475850477, 3.7489331067499165, 5.488555770493576, 4.953981813436826, 1.4945270337005354, 0.9745031007471425]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5175190951625575, 1.5768306074323637, 1.8922260706435443, 1.6781980905726794, 1.290586116569073, 1.1845130265337471]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9334348347058854, 1.8892058700451781, 2.4545595028568976, 2.1078474616624225, 1.3212410989997787, 1.1845130265337471]}}