{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:17.478328", "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-Aug-19_to_2012-Aug-23_56.5_23.5"}, "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": 2012080002500}, "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 19 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 23 2012"}, "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": 51275.23800058373}, "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": ["Oman", "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": []}, "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": 23.5}, "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": 56.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "56.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 55.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 58.75}, "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": 24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[57.25, 23.0], [57.47, 23.53], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.5, 22.25], [58.25, 22.35], [58.0, 22.25], [57.47, 22.47], [57.25, 23.0]]], [[[55.97, 22.97], [55.75, 23.5], [55.97, 24.03], [56.5, 24.25], [57.03, 24.03], [57.25, 23.5], [57.03, 22.97], [56.5, 22.75], [55.97, 22.97]]]]}, "2012-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.25, 22.5], [55.35, 22.75], [55.25, 23.0], [55.46, 23.5], [55.25, 24.0], [55.47, 24.53], [56.0, 24.75], [56.53, 24.53], [56.68, 24.18], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.5, 22.25], [58.25, 22.35], [58.0, 22.25], [57.75, 22.35], [57.68, 22.32], [57.53, 21.97], [57.18, 21.82], [57.03, 21.47], [56.68, 21.32], [56.53, 20.97], [56.0, 20.75], [55.75, 20.85], [55.5, 20.75], [54.97, 20.97], [54.75, 21.5], [54.97, 22.03], [55.32, 22.18], [55.35, 22.25], [55.25, 22.5]]]]}, "2012-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.97, 24.53], [55.5, 24.75], [55.75, 24.65], [56.0, 24.75], [56.53, 24.53], [56.68, 24.18], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.5, 22.25], [58.25, 22.35], [58.0, 22.25], [57.75, 22.35], [57.68, 22.32], [57.53, 21.97], [57.18, 21.82], [57.03, 21.47], [56.68, 21.32], [56.53, 20.97], [56.0, 20.75], [55.75, 20.85], [55.5, 20.75], [54.97, 20.97], [54.75, 21.5], [54.97, 22.03], [55.32, 22.18], [55.35, 22.25], [55.25, 22.5], [55.35, 22.75], [55.32, 22.82], [54.97, 22.97], [54.75, 23.5], [54.85, 23.75], [54.75, 24.0], [54.97, 24.53]]]]}, "2012-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.97, 24.53], [55.5, 24.75], [55.75, 24.65], [56.0, 24.75], [56.53, 24.53], [56.68, 24.18], [57.03, 24.03], [57.18, 23.68], [57.25, 23.65], [57.5, 23.75], [57.75, 23.65], [58.0, 23.75], [58.25, 23.65], [58.5, 23.75], [59.03, 23.53], [59.25, 23.0], [59.03, 22.47], [58.5, 22.25], [58.25, 22.35], [58.0, 22.25], [57.75, 22.35], [57.68, 22.32], [57.53, 21.97], [57.18, 21.82], [57.03, 21.47], [56.68, 21.32], [56.53, 20.97], [56.0, 20.75], [55.75, 20.85], [55.5, 20.75], [54.97, 20.97], [54.75, 21.5], [54.97, 22.03], [55.32, 22.18], [55.35, 22.25], [55.25, 22.5], [55.35, 22.75], [55.32, 22.82], [54.97, 22.97], [54.75, 23.5], [54.85, 23.75], [54.75, 24.0], [54.97, 24.53]]]]}, "2012-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.97, 24.53], [55.5, 24.75], [56.03, 24.53], [56.18, 24.18], [56.53, 24.03], [56.75, 23.5], [56.53, 22.97], [56.0, 22.75], [55.75, 22.85], [55.5, 22.75], [54.97, 22.97], [54.75, 23.5], [54.85, 23.75], [54.75, 24.0], [54.97, 24.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.416900111638938}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.059786178196622}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.554238327857206, 37.860897614497105, 38.13759547547511, 37.71333957248993, 38.56411762350706]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.26603391935089, 39.28700808338908, 40.08091682363187, 39.568717636378494, 38.597541262110724]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.310515286810111, 3.150716608112028, 3.2987260326945664, 2.993671486045849, 2.3174539459230723]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.762468318133074, 4.416900111638938, 4.224208616144779, 3.477131473637712, 2.351606729759567]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5898263074615944, 1.8374972602478554, 1.9203675062267473, 1.7706759107873489, 1.7384128901935243]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8128947876598605, 2.413675959570985, 2.3759097220226275, 2.349629856179308, 1.862900173257294]}}