{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:03.524226", "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": "2013-Jul-23_to_2013-Jul-26_52.5_27.0"}, "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": 2013070002765}, "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": "July 23 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 26 2013"}, "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": 68734.32996539334}, "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": ["Bahrain"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "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": ["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": 27.0}, "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": 50.25}, "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": 25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.25, 28.0], [50.47, 28.53], [51.0, 28.75], [51.53, 28.53], [51.68, 28.18], [51.75, 28.15], [52.0, 28.25], [52.53, 28.03], [52.68, 27.68], [53.03, 27.53], [53.25, 27.0], [53.15, 26.75], [53.25, 26.5], [53.03, 25.97], [52.68, 25.82], [52.53, 25.47], [52.0, 25.25], [51.47, 25.47], [51.25, 26.0], [51.35, 26.25], [51.32, 26.32], [50.97, 26.47], [50.75, 27.0], [50.85, 27.25], [50.82, 27.32], [50.47, 27.47], [50.25, 28.0]]]]}, "2013-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.85, 26.75], [49.75, 27.0], [49.85, 27.25], [49.75, 27.5], [49.85, 27.75], [49.75, 28.0], [49.85, 28.25], [49.75, 28.5], [49.85, 28.75], [49.75, 29.0], [49.85, 29.25], [49.75, 29.5], [49.97, 30.03], [50.5, 30.25], [51.03, 30.03], [51.25, 29.5], [51.15, 29.25], [51.18, 29.18], [51.53, 29.03], [51.75, 28.5], [51.65, 28.25], [51.68, 28.18], [51.75, 28.15], [52.0, 28.25], [52.53, 28.03], [52.68, 27.68], [53.03, 27.53], [53.18, 27.18], [53.53, 27.03], [53.75, 26.5], [53.65, 26.25], [53.75, 26.0], [53.53, 25.47], [53.0, 25.25], [52.75, 25.35], [52.5, 25.25], [52.25, 25.35], [52.0, 25.25], [51.47, 25.47], [51.32, 25.82], [51.25, 25.85], [51.18, 25.82], [51.03, 25.47], [50.5, 25.25], [49.97, 25.47], [49.75, 26.0], [49.85, 26.25], [49.75, 26.5], [49.85, 26.75]]]]}, "2013-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.85, 26.75], [49.75, 27.0], [49.85, 27.25], [49.75, 27.5], [49.85, 27.75], [49.75, 28.0], [49.85, 28.25], [49.75, 28.5], [49.85, 28.75], [49.75, 29.0], [49.85, 29.25], [49.75, 29.5], [49.97, 30.03], [50.5, 30.25], [51.03, 30.03], [51.25, 29.5], [51.15, 29.25], [51.18, 29.18], [51.53, 29.03], [51.75, 28.5], [51.65, 28.25], [51.68, 28.18], [51.75, 28.15], [52.0, 28.25], [52.53, 28.03], [52.68, 27.68], [53.03, 27.53], [53.18, 27.18], [53.53, 27.03], [53.75, 26.5], [53.65, 26.25], [53.75, 26.0], [53.53, 25.47], [53.0, 25.25], [52.75, 25.35], [52.5, 25.25], [52.25, 25.35], [52.0, 25.25], [51.47, 25.47], [51.32, 25.82], [51.25, 25.85], [51.18, 25.82], [51.03, 25.47], [50.5, 25.25], [49.97, 25.47], [49.75, 26.0], [49.85, 26.25], [49.75, 26.5], [49.85, 26.75]]]]}, "2013-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.85, 26.75], [49.75, 27.0], [49.85, 27.25], [49.75, 27.5], [49.85, 27.75], [49.75, 28.0], [49.85, 28.25], [49.75, 28.5], [49.85, 28.75], [49.75, 29.0], [49.85, 29.25], [49.75, 29.5], [49.97, 30.03], [50.5, 30.25], [51.03, 30.03], [51.25, 29.5], [51.15, 29.25], [51.18, 29.18], [51.53, 29.03], [51.75, 28.5], [51.65, 28.25], [51.68, 28.18], [51.75, 28.15], [52.0, 28.25], [52.53, 28.03], [52.68, 27.68], [53.03, 27.53], [53.18, 27.18], [53.53, 27.03], [53.75, 26.5], [53.65, 26.25], [53.75, 26.0], [53.53, 25.47], [53.0, 25.25], [52.75, 25.35], [52.5, 25.25], [52.25, 25.35], [52.0, 25.25], [51.47, 25.47], [51.32, 25.82], [51.25, 25.85], [51.18, 25.82], [51.03, 25.47], [50.5, 25.25], [49.97, 25.47], [49.75, 26.0], [49.85, 26.25], [49.75, 26.5], [49.85, 26.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9062464514476574}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4084956877095716}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.241010433430404, 34.51013003696323, 34.609889143777536, 34.56120503409011]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.44462576550018, 34.89686279627318, 35.07668305242976, 34.98198779148464]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.346176576894815, 1.426217049174354, 1.4647494447469125, 1.3569554491007603]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5406936284572907, 1.8206425970198552, 1.9062464514476574, 1.6569245443036493]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3693736536316095, 1.434496251474693, 1.4840986870979733, 1.4355995855391093]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.552881611025796, 1.8483260235194288, 1.8627033690973152, 1.750828857318605]}}