{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:11.324498", "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-Jun-27_to_2025-Jul-01_35.0_30.5"}, "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": 2025060002909}, "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": "June 27 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 01 2025"}, "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": 53442.28636890837}, "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": ["Egypt", "Israel", "Jordan"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": 30.5}, "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": 35.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.0}, "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": 31.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[35.0, 31.25], [35.53, 31.03], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.65, 29.75], [35.75, 29.5], [35.53, 28.97], [35.0, 28.75], [34.75, 28.85], [34.5, 28.75], [34.25, 28.85], [34.0, 28.75], [33.75, 28.85], [33.5, 28.75], [33.0, 28.96], [32.5, 28.75], [31.97, 28.97], [31.75, 29.5], [31.85, 29.75], [31.82, 29.82], [31.47, 29.97], [31.25, 30.5], [31.47, 31.03], [32.0, 31.25], [32.25, 31.15], [32.32, 31.18], [32.47, 31.53], [33.0, 31.75], [33.25, 31.65], [33.5, 31.75], [33.75, 31.65], [34.0, 31.75], [34.53, 31.53], [34.68, 31.18], [34.75, 31.15], [35.0, 31.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara", "Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.47, 31.03], [35.0, 31.25], [35.53, 31.03], [35.75, 30.5], [35.53, 29.97], [35.0, 29.75], [34.47, 29.97], [34.25, 30.5], [34.47, 31.03]]]]}, "2025-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, 30.53], [32.82, 30.68], [32.97, 31.03], [33.5, 31.25], [33.75, 31.15], [34.0, 31.25], [34.25, 31.15], [34.5, 31.25], [34.75, 31.15], [35.0, 31.25], [35.53, 31.03], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.65, 29.75], [35.75, 29.5], [35.53, 28.97], [35.0, 28.75], [34.75, 28.85], [34.5, 28.75], [34.25, 28.85], [34.0, 28.75], [33.75, 28.85], [33.5, 28.75], [33.0, 28.96], [32.5, 28.75], [31.97, 28.97], [31.75, 29.5], [31.97, 30.03], [32.32, 30.18], [32.47, 30.53]]]]}, "2025-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 29.97], [31.25, 30.5], [31.47, 31.03], [32.0, 31.25], [32.25, 31.15], [32.32, 31.18], [32.47, 31.53], [33.0, 31.75], [33.25, 31.65], [33.5, 31.75], [33.75, 31.65], [34.0, 31.75], [34.53, 31.53], [34.68, 31.18], [34.75, 31.15], [35.0, 31.25], [35.53, 31.03], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.65, 29.75], [35.75, 29.5], [35.53, 28.97], [35.0, 28.75], [34.75, 28.85], [34.5, 28.75], [34.25, 28.85], [34.0, 28.75], [33.75, 28.85], [33.5, 28.75], [33.0, 28.96], [32.5, 28.75], [31.97, 28.97], [31.75, 29.5], [31.85, 29.75], [31.82, 29.82], [31.47, 29.97]]]]}, "2025-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 29.97], [31.25, 30.5], [31.47, 31.03], [32.0, 31.25], [32.25, 31.15], [32.32, 31.18], [32.47, 31.53], [33.0, 31.75], [33.25, 31.65], [33.5, 31.75], [33.75, 31.65], [34.0, 31.75], [34.53, 31.53], [34.68, 31.18], [34.75, 31.15], [35.0, 31.25], [35.53, 31.03], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.65, 29.75], [35.75, 29.5], [35.53, 28.97], [35.0, 28.75], [34.75, 28.85], [34.5, 28.75], [34.25, 28.85], [34.0, 28.75], [33.75, 28.85], [33.5, 28.75], [33.0, 28.96], [32.5, 28.75], [31.97, 28.97], [31.75, 29.5], [31.85, 29.75], [31.82, 29.82], [31.47, 29.97]]]]}, "2025-07-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 29.97], [31.25, 30.5], [31.47, 31.03], [32.0, 31.25], [32.25, 31.15], 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"evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.20790252685549, 31.67557805379232, 31.63357315063479, 31.706174468994163, 32.30837783813479]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.4755504701178097, 2.9063668601917323, 2.8212273372561953, 2.394975943207524, 3.145643732714015]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.4755504701178097, 3.387933378129162, 3.7433410358987658, 3.054145974269204, 4.244877912932793]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4585875154271737, 1.698679222311437, 1.6962453737462415, 1.392383202015325, 1.803648456259269]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4585875154271737, 2.0968333030206807, 2.1110004860891287, 1.5496221483059307, 2.3035301460651825]}}