{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:19.790931", "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": "2020-Nov-22_to_2020-Nov-25_51.0_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": 2020110002128}, "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 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 25 2020"}, "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": 59386.46554434892}, "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": ["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": ["Gulf of Aden"]}, "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": 51.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "51.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 52.75}, "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": 17.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.32, 16.68], [49.47, 17.03], [50.0, 17.25], [50.25, 17.15], [50.32, 17.18], [50.47, 17.53], [51.0, 17.75], [51.25, 17.65], [51.5, 17.75], [51.75, 17.65], [52.0, 17.75], [52.53, 17.53], [52.68, 17.18], [53.03, 17.03], [53.25, 16.5], [53.03, 15.97], [52.68, 15.82], [52.53, 15.47], [52.0, 15.25], [51.75, 15.35], [51.68, 15.32], [51.53, 14.97], [51.18, 14.82], [51.03, 14.47], [50.5, 14.25], [49.97, 14.47], [49.82, 14.82], [49.75, 14.85], [49.5, 14.75], [49.25, 14.85], [49.0, 14.75], [48.47, 14.97], [48.25, 15.5], [48.47, 16.03], [48.82, 16.18], [48.97, 16.53], [49.32, 16.68]]]]}, "2020-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.32, 16.68], [49.47, 17.03], [50.0, 17.25], [50.25, 17.15], [50.32, 17.18], [50.47, 17.53], [51.0, 17.75], [51.25, 17.65], [51.5, 17.75], [51.75, 17.65], [52.0, 17.75], [52.53, 17.53], [52.68, 17.18], [53.03, 17.03], [53.25, 16.5], [53.03, 15.97], [52.68, 15.82], [52.53, 15.47], [52.0, 15.25], [51.75, 15.35], [51.68, 15.32], [51.53, 14.97], [51.18, 14.82], [51.03, 14.47], [50.5, 14.25], [49.97, 14.47], [49.82, 14.82], [49.75, 14.85], [49.5, 14.75], [49.25, 14.85], [49.0, 14.75], [48.47, 14.97], [48.25, 15.5], [48.47, 16.03], [48.82, 16.18], [48.97, 16.53], [49.32, 16.68]]]]}, "2020-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.32, 16.68], [49.47, 17.03], [50.0, 17.25], [50.25, 17.15], [50.32, 17.18], [50.47, 17.53], [51.0, 17.75], [51.25, 17.65], [51.5, 17.75], [51.75, 17.65], [52.0, 17.75], [52.53, 17.53], [52.68, 17.18], [53.03, 17.03], [53.25, 16.5], [53.03, 15.97], [52.68, 15.82], [52.53, 15.47], [52.0, 15.25], [51.75, 15.35], [51.68, 15.32], [51.53, 14.97], [51.18, 14.82], [51.03, 14.47], [50.5, 14.25], [49.97, 14.47], [49.82, 14.82], [49.75, 14.85], [49.5, 14.75], [49.25, 14.85], [49.0, 14.75], [48.47, 14.97], [48.25, 15.5], [48.47, 16.03], [48.82, 16.18], [48.97, 16.53], [49.32, 16.68]]]]}, "2020-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.25, 16.5], [51.47, 17.03], [52.0, 17.25], [52.53, 17.03], [52.75, 16.5], [52.65, 16.25], [52.75, 16.0], [52.53, 15.47], [52.0, 15.25], [51.7, 15.38], [51.53, 14.97], [51.0, 14.75], [50.47, 14.97], [50.25, 15.5], [50.47, 16.03], [51.0, 16.25], [51.3, 16.13], [51.35, 16.25], [51.25, 16.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6979399225857605}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1474835426541508}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.502760342482645, 24.860192689464498, 24.64391991334037, 25.283200645429645]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.470136470301043, 26.297023873375394, 26.623160455901257, 26.166043431075195]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9503387231311506, 2.372832530031599, 2.2168587156246247, 1.4969546038213366]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.1301465244032443, 3.6979399225857605, 3.13530875760722, 1.6131617081210834]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8413502219219535, 2.1882371776364598, 2.058224739348017, 1.5634643964223474]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.62760162737101, 3.1601903279677486, 2.8979940139816747, 1.634072390144231]}}