{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:39.099533", "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": "2019-Apr-30_to_2019-May-03_52.5_38.0"}, "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": 2019040002953}, "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": "April 30 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 03 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 60790.977645112}, "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": ["Turkmenistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 38.0}, "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": 52.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "52.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 50.75}, "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": 36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-04-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, 37.47], [50.75, 38.0], [50.97, 38.53], [51.5, 38.75], [51.75, 38.65], [52.0, 38.75], [52.25, 38.65], [52.5, 38.75], [53.03, 38.53], [53.25, 38.0], [53.03, 37.47], [52.5, 37.25], [52.25, 37.35], [52.0, 37.25], [51.75, 37.35], [51.5, 37.25], [50.97, 37.47]]]]}, "2019-05-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.47, 39.53], [50.82, 39.68], [50.97, 40.03], [51.5, 40.25], [52.03, 40.03], [52.18, 39.68], [52.25, 39.65], [52.5, 39.75], [53.03, 39.53], [53.18, 39.18], [53.25, 39.15], [53.5, 39.25], [54.03, 39.03], [54.18, 38.68], [54.53, 38.53], [54.75, 38.0], [54.65, 37.75], [54.75, 37.5], [54.65, 37.25], [54.75, 37.0], [54.53, 36.47], [54.0, 36.25], [53.75, 36.35], [53.5, 36.25], [53.25, 36.35], [53.0, 36.25], [52.47, 36.47], [52.32, 36.82], [52.25, 36.85], [52.0, 36.75], [51.47, 36.97], [51.32, 37.32], [50.97, 37.47], [50.82, 37.82], [50.47, 37.97], [50.25, 38.5], [50.35, 38.75], [50.25, 39.0], [50.47, 39.53]]]]}, "2019-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.47, 39.53], [50.82, 39.68], [50.97, 40.03], [51.5, 40.25], [52.03, 40.03], [52.18, 39.68], [52.25, 39.65], [52.5, 39.75], [53.03, 39.53], [53.18, 39.18], [53.25, 39.15], [53.5, 39.25], [54.03, 39.03], [54.18, 38.68], [54.53, 38.53], [54.75, 38.0], [54.65, 37.75], [54.75, 37.5], [54.65, 37.25], [54.75, 37.0], [54.53, 36.47], [54.0, 36.25], [53.75, 36.35], [53.5, 36.25], [53.25, 36.35], [53.0, 36.25], [52.47, 36.47], [52.32, 36.82], [52.25, 36.85], [52.0, 36.75], [51.47, 36.97], [51.32, 37.32], [50.97, 37.47], [50.82, 37.82], [50.47, 37.97], [50.25, 38.5], [50.35, 38.75], [50.25, 39.0], [50.47, 39.53]]]]}, "2019-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.47, 39.53], [50.82, 39.68], [50.97, 40.03], [51.5, 40.25], [52.03, 40.03], [52.18, 39.68], [52.25, 39.65], [52.5, 39.75], [53.03, 39.53], [53.18, 39.18], [53.25, 39.15], [53.5, 39.25], [54.03, 39.03], [54.18, 38.68], [54.53, 38.53], [54.75, 38.0], [54.65, 37.75], [54.75, 37.5], [54.65, 37.25], [54.75, 37.0], [54.53, 36.47], [54.0, 36.25], [53.75, 36.35], [53.5, 36.25], [53.25, 36.35], [53.0, 36.25], [52.47, 36.47], [52.32, 36.82], [52.25, 36.85], [52.0, 36.75], [51.47, 36.97], [51.32, 37.32], [50.97, 37.47], [50.82, 37.82], [50.47, 37.97], [50.25, 38.5], [50.35, 38.75], [50.25, 39.0], [50.47, 39.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.771071601449478}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.511111683803633}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.095479283976488, 19.36611044969493, 20.341869156583698, 21.397922942553237]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.389371096685693, 24.568463582224524, 26.461988843240817, 28.07189917380134]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.229076434103509, 2.7806277069257406, 3.5147175657773415, 4.391834008671831]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.296379279964981, 4.955112761023258, 6.439421535051508, 7.771071601449478]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2752577634613216, 1.3805626955900372, 1.772792894019125, 2.2029125147106994]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.289247167557962, 1.696521254519963, 2.055407762555131, 2.6110120429759625]}}