{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:22.596719", "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": "2014-Sep-15_to_2014-Sep-19_47.0_15.5"}, "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": 2014090002128}, "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": "September 15 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 19 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 77240.37373821485}, "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", "Yemen"]}, "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": []}, "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": 15.5}, "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": 47.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "47.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 44.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 48.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.97, 15.97], [44.75, 16.5], [44.97, 17.03], [45.5, 17.25], [46.03, 17.03], [46.25, 16.5], [46.03, 15.97], [45.5, 15.75], [44.97, 15.97]]], [[[47.0, 16.25], [47.43, 16.07], [47.32, 16.32], [46.97, 16.47], [46.75, 17.0], [46.85, 17.25], [46.75, 17.5], [46.97, 18.03], [47.32, 18.18], [47.47, 18.53], [48.0, 18.75], [48.53, 18.53], [48.75, 18.0], [48.54, 17.5], [48.68, 17.18], [49.03, 17.03], [49.25, 16.5], [49.03, 15.97], [48.5, 15.75], [48.25, 15.85], [48.0, 15.75], [47.57, 15.93], [47.75, 15.5], [47.65, 15.25], [47.75, 15.0], [47.53, 14.47], [47.0, 14.25], [46.47, 14.47], [46.25, 15.0], [46.35, 15.25], [46.25, 15.5], [46.47, 16.03], [47.0, 16.25]]]]}, "2014-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.25, 15.5], [44.47, 16.03], [44.82, 16.18], [44.85, 16.25], [44.75, 16.5], [44.97, 17.03], [45.5, 17.25], [45.75, 17.15], [46.0, 17.25], [46.5, 17.04], [46.82, 17.18], [46.85, 17.25], [46.75, 17.5], [46.97, 18.03], [47.32, 18.18], [47.47, 18.53], [48.0, 18.75], [48.53, 18.53], [48.75, 18.0], [48.54, 17.5], [48.68, 17.18], [49.03, 17.03], [49.25, 16.5], [49.03, 15.97], [48.68, 15.82], [48.65, 15.75], [48.75, 15.5], [48.53, 14.97], [48.0, 14.75], [47.75, 14.85], [47.68, 14.82], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.5, 14.25], [46.25, 14.35], [46.0, 14.25], [45.75, 14.35], [45.5, 14.25], [44.97, 14.47], [44.82, 14.82], [44.47, 14.97], [44.25, 15.5]]]]}, "2014-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.25, 15.5], [44.47, 16.03], [44.82, 16.18], [44.85, 16.25], [44.75, 16.5], [44.97, 17.03], [45.5, 17.25], [45.75, 17.15], [46.0, 17.25], [46.5, 17.04], [46.82, 17.18], [46.85, 17.25], [46.75, 17.5], [46.97, 18.03], [47.32, 18.18], [47.47, 18.53], [48.0, 18.75], [48.53, 18.53], [48.75, 18.0], [48.54, 17.5], [48.68, 17.18], [49.03, 17.03], [49.25, 16.5], [49.03, 15.97], [48.68, 15.82], [48.65, 15.75], [48.75, 15.5], [48.53, 14.97], [48.0, 14.75], [47.75, 14.85], [47.68, 14.82], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.5, 14.25], [46.25, 14.35], [46.0, 14.25], [45.75, 14.35], [45.5, 14.25], [44.97, 14.47], [44.82, 14.82], [44.47, 14.97], [44.25, 15.5]]]]}, "2014-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.25, 15.5], [44.47, 16.03], [44.82, 16.18], [44.85, 16.25], [44.75, 16.5], [44.97, 17.03], [45.5, 17.25], [45.75, 17.15], [46.0, 17.25], [46.5, 17.04], [47.0, 17.25], [47.53, 17.03], [47.68, 16.68], [47.75, 16.65], [48.0, 16.75], [48.53, 16.53], [48.75, 16.0], [48.65, 15.75], [48.75, 15.5], [48.53, 14.97], [48.0, 14.75], [47.75, 14.85], [47.68, 14.82], [47.53, 14.47], [47.0, 14.25], [46.75, 14.35], [46.5, 14.25], [46.25, 14.35], [46.0, 14.25], [45.75, 14.35], [45.5, 14.25], [44.97, 14.47], [44.82, 14.82], [44.47, 14.97], [44.25, 15.5]]]]}, "2014-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.97, 14.97], [46.75, 15.5], [46.97, 16.03], [47.5, 16.25], [47.75, 16.15], [48.0, 16.25], [48.53, 16.03], [48.75, 15.5], [48.53, 14.97], [48.0, 14.75], [47.75, 14.85], [47.5, 14.75], [46.97, 14.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6630762364190446}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8384934132079898}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.02668561369205, 32.80396969593784, 32.65823550476722, 32.20889691495552, 31.62432676399942]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.013056876635346, 35.02843780928737, 34.71756112617618, 33.61521044068178, 31.81814166904411]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6159319806461856, 1.8871517631572685, 1.8691941912429137, 1.8487544351008296, 1.705740977013079]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.828919012477229, 2.5629587554133764, 2.3414925369588104, 2.6630762364190446, 1.8003859650737581]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4366580396279947, 1.7330893586192178, 1.7184862451457155, 1.675667179444094, 1.27386154074482]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6274805356890314, 2.406696623112125, 2.259502564845605, 2.058001513405028, 1.3659694965451643]}}