{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:35.973325", "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": "2025-Jul-12_to_2025-Jul-18_48.5_32.0"}, "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": 2025070002065}, "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 12 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 18 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 58214.343424024024}, "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": ["Iran, Islamic Republic of", "Iraq", "Kuwait"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia", "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": 32.0}, "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": 48.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "48.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 46.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 49.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[46.32, 31.18], [46.47, 31.53], [47.0, 31.75], [47.25, 31.65], [47.32, 31.68], [47.35, 31.75], [47.32, 31.82], [46.97, 31.97], [46.75, 32.5], [46.97, 33.03], [47.5, 33.25], [47.75, 33.15], [48.0, 33.25], [48.25, 33.15], [48.5, 33.25], [49.03, 33.03], [49.18, 32.68], [49.53, 32.53], [49.68, 32.18], [50.03, 32.03], [50.25, 31.5], [50.15, 31.25], [50.25, 31.0], [50.03, 30.47], [49.5, 30.25], [49.25, 30.35], [49.18, 30.32], [49.03, 29.97], [48.68, 29.82], [48.53, 29.47], [48.18, 29.32], [48.03, 28.97], [47.5, 28.75], [46.97, 28.97], [46.82, 29.32], [46.47, 29.47], [46.32, 29.82], [45.97, 29.97], [45.75, 30.5], [45.97, 31.03], [46.32, 31.18]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.47, 32.53], [49.0, 32.75], [49.53, 32.53], [49.75, 32.0], [49.53, 31.47], [49.0, 31.25], [48.47, 31.47], [48.25, 32.0], 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{"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6828411894790065}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.571656048195892}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [40.135352071126306, 41.083839501274895, 41.1412292480469, 41.192297871907556, 41.139424641927064, 41.805461120605514, 41.038728332519554]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [40.135352071126306, 42.35137964884444, 41.94947713216146, 42.15356089274093, 41.90267333984377, 43.24574432373049, 41.431794738769554]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0446799432080525, 2.5247542334247366, 2.4933987809821403, 2.438496863126388, 2.4503228312443666, 3.046459491089365, 1.9748420380611644]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0446799432080525, 3.0795764217201054, 3.0376324362658806, 2.7655107959017187, 3.036011381074161, 3.6828411894790065, 2.2396829601387935]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.372694861934808, 1.6373824570593645, 1.578474375666632, 1.5351386247040195, 1.5349406249585882, 1.8876847963603187, 1.3621561114936522]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.372694861934808, 1.9475645427554928, 1.9126131177709913, 1.7293585863527434, 1.9018390520124326, 2.320919593586425, 1.603157246817793]}}