{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:27.057708", "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-Feb-08_to_2026-Feb-11_56.5_20.0"}, "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": 2026020001501}, "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 08 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2026"}, "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": 52626.97546704394}, "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"]}, "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": 20.0}, "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": 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": 53.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 57.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.75}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[52.97, 18.03], [53.5, 18.25], [53.75, 18.15], [53.88, 18.2], [53.75, 18.5], [53.97, 19.03], [54.32, 19.18], [54.35, 19.25], [54.25, 19.5], [54.47, 20.03], [55.0, 20.25], [55.25, 20.15], [55.5, 20.25], [55.75, 20.15], [55.82, 20.18], [55.85, 20.25], [55.75, 20.5], [55.97, 21.03], [56.5, 21.25], [56.75, 21.15], [57.0, 21.25], [57.53, 21.03], [57.75, 20.5], [57.65, 20.25], [57.75, 20.0], [57.53, 19.47], [57.0, 19.25], [56.75, 19.35], [56.68, 19.32], [56.65, 19.25], [56.75, 19.0], [56.53, 18.47], [56.18, 18.32], [56.15, 18.25], [56.25, 18.0], [56.03, 17.47], [55.5, 17.25], [55.25, 17.35], [55.18, 17.32], [55.03, 16.97], [54.5, 16.75], [54.25, 16.85], [54.0, 16.75], [53.75, 16.85], [53.5, 16.75], [52.97, 16.97], [52.75, 17.5], [52.97, 18.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[56.5, 19.25], [55.97, 19.47], [55.75, 20.0], [55.97, 20.53], [56.5, 20.75], [56.75, 20.65], [57.0, 20.75], [57.53, 20.53], [57.75, 20.0], [57.53, 19.47], [57.0, 19.25], [56.75, 19.35], [56.5, 19.25]]]]}, "2026-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.5, 16.75], [52.97, 16.97], [52.75, 17.5], [52.97, 18.03], [53.5, 18.25], [53.75, 18.15], [53.88, 18.2], [53.75, 18.5], [53.97, 19.03], [54.32, 19.18], [54.35, 19.25], [54.25, 19.5], [54.47, 20.03], [55.0, 20.25], [55.25, 20.15], [55.5, 20.25], [55.75, 20.15], [55.82, 20.18], [55.85, 20.25], [55.75, 20.5], [55.97, 21.03], [56.5, 21.25], [56.75, 21.15], [57.0, 21.25], [57.53, 21.03], [57.75, 20.5], [57.65, 20.25], [57.75, 20.0], [57.53, 19.47], [57.0, 19.25], [56.75, 19.35], [56.68, 19.32], [56.65, 19.25], [56.75, 19.0], [56.53, 18.47], [56.18, 18.32], [56.15, 18.25], [56.25, 18.0], [56.03, 17.47], [55.5, 17.25], [55.25, 17.35], [55.18, 17.32], [55.03, 16.97], [54.5, 16.75], [54.25, 16.85], [54.0, 16.75], [53.75, 16.85], [53.5, 16.75]]]]}, "2026-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.5, 16.75], [52.97, 16.97], [52.75, 17.5], [52.97, 18.03], [53.5, 18.25], [53.75, 18.15], [53.88, 18.2], [53.75, 18.5], [53.97, 19.03], [54.32, 19.18], [54.35, 19.25], [54.25, 19.5], [54.47, 20.03], [55.0, 20.25], [55.25, 20.15], [55.5, 20.25], [55.75, 20.15], [55.82, 20.18], [55.85, 20.25], [55.75, 20.5], [55.97, 21.03], [56.5, 21.25], [56.75, 21.15], [57.0, 21.25], [57.53, 21.03], [57.75, 20.5], [57.65, 20.25], [57.75, 20.0], [57.53, 19.47], [57.0, 19.25], [56.75, 19.35], [56.68, 19.32], [56.65, 19.25], [56.75, 19.0], [56.53, 18.47], [56.18, 18.32], [56.15, 18.25], [56.25, 18.0], [56.03, 17.47], [55.5, 17.25], [55.25, 17.35], [55.18, 17.32], [55.03, 16.97], [54.5, 16.75], [54.25, 16.85], [54.0, 16.75], [53.75, 16.85], [53.5, 16.75]]]]}, "2026-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.5, 16.75], [52.97, 16.97], [52.75, 17.5], [52.97, 18.03], [53.5, 18.25], [53.75, 18.15], [53.88, 18.2], [53.75, 18.5], [53.97, 19.03], [54.32, 19.18], [54.35, 19.25], [54.25, 19.5], [54.47, 20.03], [55.0, 20.25], [55.25, 20.15], [55.5, 20.25], [55.75, 20.15], [55.82, 20.18], [55.85, 20.25], [55.75, 20.5], [55.97, 21.03], [56.5, 21.25], [56.75, 21.15], [57.0, 21.25], [57.53, 21.03], [57.75, 20.5], [57.53, 19.97], [57.18, 19.82], [57.03, 19.47], [56.68, 19.32], [56.65, 19.25], [56.75, 19.0], [56.53, 18.47], [56.18, 18.32], [56.15, 18.25], [56.25, 18.0], [56.03, 17.47], [55.5, 17.25], [55.25, 17.35], [55.18, 17.32], [55.03, 16.97], [54.5, 16.75], [54.25, 16.85], [54.0, 16.75], [53.75, 16.85], [53.5, 16.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.7385732054397636}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.006582671342891}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.84988937377932, 24.000602411340765, 23.72124181676793, 23.464237168255977]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.896845753987634, 25.026680246988974, 24.657118733723962, 24.08711649576827]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.856221402280596, 3.2575755671735465, 2.9970703760321524, 2.768586890682072]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.966165492347841, 3.7385732054397636, 3.388954951977553, 3.2611776730005317]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.344491841079737, 1.552832925190141, 1.4529246894861876, 1.3270363035411554]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3786915787408982, 1.8458136221587884, 1.6969356944444234, 1.464798354572893]}}