{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:25.040485", "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": "2026-Mar-24_to_2026-Mar-26_42.5_17.0"}, "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": 2026030002324}, "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": "March 24 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 26 2026"}, "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": 56605.556210703784}, "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": ["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": 17.0}, "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": 42.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 41.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.47, 18.03], [42.0, 18.25], [42.53, 18.03], [42.68, 17.68], [43.03, 17.53], [43.18, 17.18], [43.53, 17.03], [43.75, 16.5], [43.65, 16.25], [43.68, 16.18], [44.03, 16.03], [44.25, 15.5], [44.15, 15.25], [44.25, 15.0], [44.15, 14.75], [44.25, 14.5], [44.15, 14.25], [44.25, 14.0], [44.15, 13.75], [44.25, 13.5], [44.03, 12.97], [43.5, 12.75], [42.97, 12.97], [42.82, 13.32], [42.47, 13.47], [42.32, 13.82], [41.97, 13.97], [41.75, 14.5], [41.85, 14.75], [41.75, 15.0], [41.85, 15.25], [41.75, 15.5], [41.85, 15.75], [41.75, 16.0], [41.85, 16.25], [41.82, 16.32], [41.47, 16.47], [41.25, 17.0], [41.35, 17.25], [41.25, 17.5], [41.47, 18.03]]]]}, "2026-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.47, 18.03], [42.0, 18.25], [42.53, 18.03], [42.68, 17.68], [43.03, 17.53], [43.18, 17.18], [43.53, 17.03], [43.75, 16.5], [43.65, 16.25], [43.68, 16.18], [44.03, 16.03], [44.25, 15.5], [44.15, 15.25], [44.25, 15.0], [44.15, 14.75], [44.25, 14.5], [44.15, 14.25], [44.25, 14.0], [44.15, 13.75], [44.25, 13.5], [44.03, 12.97], [43.5, 12.75], [42.97, 12.97], [42.82, 13.32], [42.47, 13.47], [42.32, 13.82], [41.97, 13.97], [41.75, 14.5], [41.85, 14.75], [41.75, 15.0], [41.85, 15.25], [41.75, 15.5], [41.85, 15.75], [41.75, 16.0], [41.85, 16.25], [41.82, 16.32], [41.47, 16.47], [41.25, 17.0], [41.35, 17.25], [41.25, 17.5], [41.47, 18.03]]]]}, "2026-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.47, 18.03], [42.0, 18.25], [42.53, 18.03], [42.68, 17.68], [43.03, 17.53], [43.18, 17.18], [43.53, 17.03], [43.75, 16.5], [43.65, 16.25], [43.68, 16.18], [44.03, 16.03], [44.25, 15.5], [44.15, 15.25], [44.25, 15.0], [44.15, 14.75], [44.25, 14.5], [44.15, 14.25], [44.25, 14.0], [44.15, 13.75], [44.25, 13.5], [44.03, 12.97], [43.5, 12.75], [42.97, 12.97], [42.82, 13.32], [42.47, 13.47], [42.32, 13.82], [41.97, 13.97], [41.75, 14.5], [41.85, 14.75], [41.75, 15.0], [41.85, 15.25], [41.75, 15.5], [41.85, 15.75], [41.75, 16.0], [41.85, 16.25], [41.82, 16.32], [41.47, 16.47], [41.25, 17.0], [41.35, 17.25], [41.25, 17.5], [41.47, 18.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.743707174785243}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.489416590682091}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.195046327825196, 29.7022316112853, 30.807694538852672]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.886191304524743, 32.75542856852218, 34.20263697306319]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8282045793882216, 2.2932870575676128, 3.3467581350904387]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0323427485901675, 3.8098009304483753, 5.743707174785243]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6359084543508864, 2.0277841917538293, 2.894225421611444]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.230798352885451, 2.6542687400844365, 3.7662754169873485]}}