{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:40.311969", "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-Aug-04_to_2015-Aug-08_45.5_29.5"}, "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": 2015080001582}, "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": "August 04 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 08 2015"}, "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": 75282.52934045607}, "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": ["Iraq", "Kuwait", "Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "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": 29.5}, "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": 45.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "45.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 44.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 47.75}, "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": 31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.5, 30.25], [46.03, 30.03], [46.25, 29.5], [46.03, 28.97], [45.5, 28.75], [44.97, 28.97], [44.75, 29.5], [44.97, 30.03], [45.5, 30.25]]]]}, "2015-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.82, 30.68], [44.85, 30.75], [44.75, 31.0], [44.97, 31.53], [45.5, 31.75], [46.03, 31.53], [46.25, 31.0], [46.15, 30.75], [46.25, 30.5], [46.15, 30.25], [46.25, 30.0], [46.15, 29.75], [46.25, 29.5], [46.03, 28.97], [45.5, 28.75], [45.25, 28.85], [45.0, 28.75], [44.75, 28.85], [44.5, 28.75], [43.97, 28.97], [43.75, 29.5], [43.97, 30.03], [44.32, 30.18], [44.47, 30.53], [44.82, 30.68]]]]}, "2015-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.82, 30.68], [44.85, 30.75], [44.75, 31.0], [44.97, 31.53], [45.5, 31.75], [46.03, 31.53], [46.2, 31.13], [46.32, 31.18], [46.47, 31.53], [47.0, 31.75], [47.53, 31.53], [47.68, 31.18], [48.03, 31.03], [48.25, 30.5], [48.15, 30.25], [48.25, 30.0], [48.15, 29.75], [48.25, 29.5], [48.15, 29.25], [48.25, 29.0], [48.03, 28.47], [47.68, 28.32], [47.53, 27.97], [47.0, 27.75], [46.75, 27.85], [46.5, 27.75], [46.25, 27.85], [46.18, 27.82], [46.03, 27.47], [45.5, 27.25], [44.97, 27.47], [44.75, 28.0], [44.85, 28.25], [44.75, 28.5], [44.85, 28.75], [44.82, 28.82], [44.75, 28.85], [44.5, 28.75], [43.97, 28.97], [43.75, 29.5], [43.97, 30.03], [44.32, 30.18], [44.47, 30.53], [44.82, 30.68]]]]}, "2015-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.82, 30.68], [44.85, 30.75], [44.75, 31.0], [44.97, 31.53], [45.5, 31.75], [46.03, 31.53], [46.2, 31.13], [46.32, 31.18], [46.47, 31.53], [47.0, 31.75], [47.53, 31.53], [47.68, 31.18], [48.03, 31.03], [48.25, 30.5], [48.15, 30.25], [48.25, 30.0], [48.15, 29.75], [48.25, 29.5], [48.15, 29.25], [48.25, 29.0], [48.03, 28.47], [47.68, 28.32], [47.53, 27.97], [47.0, 27.75], [46.75, 27.85], [46.5, 27.75], [46.25, 27.85], [46.18, 27.82], [46.03, 27.47], [45.5, 27.25], [44.97, 27.47], [44.75, 28.0], [44.85, 28.25], [44.75, 28.5], [44.85, 28.75], [44.82, 28.82], [44.75, 28.85], [44.5, 28.75], [43.97, 28.97], [43.75, 29.5], [43.97, 30.03], [44.32, 30.18], [44.47, 30.53], [44.82, 30.68]]]]}, "2015-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.85, 28.75], [44.75, 29.0], [44.97, 29.53], [45.32, 29.68], [45.47, 30.03], [45.82, 30.18], [45.85, 30.25], [45.75, 30.5], [45.97, 31.03], [46.32, 31.18], [46.47, 31.53], [47.0, 31.75], [47.53, 31.53], [47.68, 31.18], [48.03, 31.03], [48.25, 30.5], [48.15, 30.25], [48.25, 30.0], [48.15, 29.75], [48.25, 29.5], [48.15, 29.25], [48.25, 29.0], [48.03, 28.47], [47.68, 28.32], [47.53, 27.97], [47.0, 27.75], [46.75, 27.85], [46.5, 27.75], [46.25, 27.85], [46.18, 27.82], [46.03, 27.47], [45.5, 27.25], [44.97, 27.47], [44.75, 28.0], [44.85, 28.25], [44.75, 28.5], [44.85, 28.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.633512388929944}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.9604893947592976}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [39.811113769597455, 40.37102977000336, 40.606654499875674, 40.560578677823855, 40.55277811410616]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.811113769597455, 41.754052950335335, 42.09509008302615, 42.19418199326225, 42.25328503616964]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9511810923257826, 3.0905048810799536, 2.9524749924224643, 2.9767258575241726, 2.906631404578523]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9511810923257826, 3.294839938675807, 3.633512388929944, 3.520409132198779, 3.2470610592095]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3841684140263932, 1.4613859223633061, 1.5844691351656757, 1.6611939550350385, 1.7585259319231261]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3841684140263932, 1.5624597918972454, 1.8323267385779807, 1.9152159611348627, 2.0154851004732035]}}