{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:49.459565", "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-Apr-06_to_2015-Apr-09_35.0_27.5"}, "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": 2015040001568}, "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 06 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 09 2015"}, "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": 61240.270173115656}, "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": ["Egypt"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 27.5}, "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": 35.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 33.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.25}, "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": {"2015-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.0, 28.25], [35.53, 28.03], [35.75, 27.5], [35.53, 26.97], [35.0, 26.75], [34.47, 26.97], [34.25, 27.5], [34.47, 28.03], [35.0, 28.25]]]]}, "2015-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.25, 26.5], [33.47, 27.03], [33.88, 27.2], [33.75, 27.5], [33.97, 28.03], [34.5, 28.25], [34.75, 28.15], [35.0, 28.25], [35.53, 28.03], [35.68, 27.68], [36.03, 27.53], [36.25, 27.0], [36.15, 26.75], [36.25, 26.5], [36.15, 26.25], [36.18, 26.18], [36.53, 26.03], [36.75, 25.5], [36.65, 25.25], [36.75, 25.0], [36.65, 24.75], [36.75, 24.5], [36.65, 24.25], [36.75, 24.0], [36.65, 23.75], [36.75, 23.5], [36.53, 22.97], [36.0, 22.75], [35.47, 22.97], [35.25, 23.5], [35.35, 23.75], [35.32, 23.82], [34.97, 23.97], [34.82, 24.32], [34.47, 24.47], [34.32, 24.82], [33.97, 24.97], [33.75, 25.5], [33.85, 25.75], [33.82, 25.82], [33.47, 25.97], [33.25, 26.5]]]]}, "2015-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.25, 26.5], [33.47, 27.03], [33.88, 27.2], [33.75, 27.5], [33.97, 28.03], [34.5, 28.25], [34.75, 28.15], [35.0, 28.25], [35.53, 28.03], [35.68, 27.68], [36.03, 27.53], [36.25, 27.0], [36.15, 26.75], [36.25, 26.5], [36.15, 26.25], [36.18, 26.18], [36.53, 26.03], [36.75, 25.5], [36.65, 25.25], [36.75, 25.0], [36.65, 24.75], [36.75, 24.5], [36.65, 24.25], [36.75, 24.0], [36.65, 23.75], [36.75, 23.5], [36.53, 22.97], [36.0, 22.75], [35.47, 22.97], [35.25, 23.5], [35.35, 23.75], [35.32, 23.82], [34.97, 23.97], [34.82, 24.32], [34.47, 24.47], [34.32, 24.82], [33.97, 24.97], [33.75, 25.5], [33.85, 25.75], [33.82, 25.82], [33.47, 25.97], [33.25, 26.5]]]]}, "2015-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.25, 26.5], [33.47, 27.03], [33.88, 27.2], [33.75, 27.5], [33.97, 28.03], [34.5, 28.25], [34.75, 28.15], [35.0, 28.25], [35.53, 28.03], [35.68, 27.68], [36.03, 27.53], [36.25, 27.0], [36.15, 26.75], [36.25, 26.5], [36.15, 26.25], [36.18, 26.18], [36.53, 26.03], [36.75, 25.5], [36.65, 25.25], [36.75, 25.0], [36.65, 24.75], [36.75, 24.5], [36.65, 24.25], [36.75, 24.0], [36.65, 23.75], [36.75, 23.5], [36.53, 22.97], [36.0, 22.75], [35.47, 22.97], [35.25, 23.5], [35.35, 23.75], [35.32, 23.82], [34.97, 23.97], [34.82, 24.32], [34.47, 24.47], [34.32, 24.82], [33.97, 24.97], [33.75, 25.5], [33.85, 25.75], [33.82, 25.82], [33.47, 25.97], [33.25, 26.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.32041651269526}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.069470155132989}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.457898639395296, 25.287342697922384, 25.827226225303264, 25.253236740378327]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.457898639395296, 27.178304286755008, 28.32679077524557, 28.351370184970904]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3838370419927628, 1.957135583047853, 2.456984352837827, 1.8254556710196617]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3838370419927628, 3.347939012768393, 4.32041651269526, 4.236810594762687]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.258541663370128, 1.7744018252729143, 2.1733462868230062, 1.5342504470150573]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.258541663370128, 2.399757932781517, 2.5890382995372807, 1.8662287832409963]}}