{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:43.447401", "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": "2012-Feb-16_to_2012-Feb-18_53.0_24.0"}, "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": 2012020002313}, "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": "February 16 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 18 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 65276.88825667647}, "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": ["Qatar", "Saudi Arabia", "United Arab Emirates"]}, "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": ["Persian Gulf"]}, "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": 24.0}, "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": 53.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "53.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 53.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.97, 22.53], [48.32, 22.68], [48.47, 23.03], [48.82, 23.18], [48.97, 23.53], [49.32, 23.68], [49.35, 23.75], [49.25, 24.0], [49.47, 24.53], [50.0, 24.75], [50.3, 24.63], [50.47, 25.03], [51.0, 25.25], [51.25, 25.15], [51.5, 25.25], [52.03, 25.03], [52.18, 24.68], [52.25, 24.65], [52.32, 24.68], [52.47, 25.03], [53.0, 25.25], [53.53, 25.03], [53.75, 24.5], [53.65, 24.25], [53.75, 24.0], [53.53, 23.47], [53.0, 23.25], [52.75, 23.35], [52.5, 23.25], [52.25, 23.35], [52.18, 23.32], [52.03, 22.97], [51.68, 22.82], [51.53, 22.47], [51.0, 22.25], [50.75, 22.35], [50.68, 22.32], [50.53, 21.97], [50.0, 21.75], [49.75, 21.85], [49.68, 21.82], [49.53, 21.47], [49.18, 21.32], [49.03, 20.97], [48.5, 20.75], [47.97, 20.97], [47.75, 21.5], [47.85, 21.75], [47.75, 22.0], [47.97, 22.53]]]]}, "2012-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.97, 22.53], [48.32, 22.68], [48.47, 23.03], [48.82, 23.18], [48.97, 23.53], [49.32, 23.68], [49.35, 23.75], [49.25, 24.0], [49.47, 24.53], [50.0, 24.75], [50.3, 24.63], [50.47, 25.03], [51.0, 25.25], [51.25, 25.15], [51.5, 25.25], [52.03, 25.03], [52.18, 24.68], [52.25, 24.65], [52.32, 24.68], [52.47, 25.03], [53.0, 25.25], [53.53, 25.03], [53.75, 24.5], [53.65, 24.25], [53.75, 24.0], [53.53, 23.47], [53.0, 23.25], [52.75, 23.35], [52.5, 23.25], [52.25, 23.35], [52.18, 23.32], [52.03, 22.97], [51.68, 22.82], [51.53, 22.47], [51.0, 22.25], [50.75, 22.35], [50.68, 22.32], [50.53, 21.97], [50.0, 21.75], [49.75, 21.85], [49.68, 21.82], [49.53, 21.47], [49.18, 21.32], [49.03, 20.97], [48.5, 20.75], [47.97, 20.97], [47.75, 21.5], [47.85, 21.75], [47.75, 22.0], [47.97, 22.53]]]]}, "2012-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.97, 22.53], [48.32, 22.68], [48.47, 23.03], [48.82, 23.18], [48.97, 23.53], [49.32, 23.68], [49.35, 23.75], [49.25, 24.0], [49.47, 24.53], [50.0, 24.75], [50.3, 24.63], [50.47, 25.03], [51.0, 25.25], [51.25, 25.15], [51.5, 25.25], [52.03, 25.03], [52.18, 24.68], [52.25, 24.65], [52.32, 24.68], [52.47, 25.03], [53.0, 25.25], [53.53, 25.03], [53.75, 24.5], [53.65, 24.25], [53.75, 24.0], [53.53, 23.47], [53.0, 23.25], [52.75, 23.35], [52.5, 23.25], [52.25, 23.35], [52.18, 23.32], [52.03, 22.97], [51.68, 22.82], [51.53, 22.47], [51.0, 22.25], [50.75, 22.35], [50.68, 22.32], [50.53, 21.97], [50.0, 21.75], [49.75, 21.85], [49.68, 21.82], [49.53, 21.47], [49.18, 21.32], [49.03, 20.97], [48.5, 20.75], [47.97, 20.97], [47.75, 21.5], [47.85, 21.75], [47.75, 22.0], [47.97, 22.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.9391603550132}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.099994475353778}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.46664540377816, 24.623484317571126, 24.462189101573586]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.345462564205263, 26.527904986020076, 26.560235027628494]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.615475135053338, 5.526933679135588, 5.157574611872408]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.371083838206175, 6.9391603550132, 6.529328314054055]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5674781367962451, 1.8456773157820776, 1.7065254954243205]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.807769861910592, 2.4212723005636483, 2.2408025204913233]}}