{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:39.336708", "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-16_to_2025-Jul-20_34.5_31.0"}, "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": 2025070002304}, "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 16 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 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": 210187.00800742183}, "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", "Libya"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "Asia", "Africa"]}, "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": ["Mediterranean 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": 31.0}, "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": 34.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "34.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.0}, "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": 26.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[23.97, 25.97], [23.75, 26.5], [23.85, 26.75], [23.75, 27.0], [23.85, 27.25], [23.75, 27.5], [23.85, 27.75], [23.82, 27.82], [23.47, 27.97], [23.25, 28.5], [23.35, 28.75], [23.25, 29.0], [23.47, 29.53], [24.0, 29.75], [24.5, 29.54], [25.0, 29.75], [25.5, 29.54], [25.82, 29.68], [25.97, 30.03], [26.5, 30.25], [26.75, 30.15], [27.0, 30.25], [27.25, 30.15], [27.32, 30.18], [27.35, 30.25], [27.25, 30.5], [27.47, 31.03], [28.0, 31.25], [28.53, 31.03], [28.68, 30.68], [28.75, 30.65], [29.0, 30.75], [29.25, 30.65], [29.32, 30.68], [29.47, 31.03], [30.0, 31.25], [30.25, 31.15], [30.5, 31.25], [31.03, 31.03], [31.18, 30.68], [31.25, 30.65], [31.5, 30.75], [31.75, 30.65], [31.82, 30.68], [31.97, 31.03], [32.5, 31.25], [32.75, 31.15], [33.0, 31.25], [33.25, 31.15], [33.32, 31.18], [33.35, 31.25], [33.25, 31.5], [33.47, 32.03], [33.82, 32.18], [33.97, 32.53], [34.5, 32.75], [35.03, 32.53], [35.25, 32.0], [35.15, 31.75], [35.18, 31.68], [35.53, 31.53], [35.75, 31.0], [35.65, 30.75], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.53, 29.47], [35.18, 29.32], [35.03, 28.97], [34.5, 28.75], [34.25, 28.85], [34.0, 28.75], [33.75, 28.85], [33.68, 28.82], [33.65, 28.75], [33.68, 28.68], [34.03, 28.53], [34.25, 28.0], [34.03, 27.47], [33.5, 27.25], [32.97, 27.47], [32.82, 27.82], [32.47, 27.97], [32.25, 28.5], [32.35, 28.75], [32.32, 28.82], [32.25, 28.85], [32.0, 28.75], [31.75, 28.85], [31.5, 28.75], [31.25, 28.85], [31.18, 28.82], [31.03, 28.47], [30.5, 28.25], [30.25, 28.35], [30.0, 28.25], [29.75, 28.35], [29.5, 28.25], [29.25, 28.35], [29.0, 28.25], [28.47, 28.47], [28.32, 28.82], [28.25, 28.85], [28.13, 28.8], [28.25, 28.5], [28.15, 28.25], [28.25, 28.0], [28.03, 27.47], [27.5, 27.25], [27.25, 27.35], [27.0, 27.25], [26.7, 27.38], [26.65, 27.25], [26.75, 27.0], [26.53, 26.47], [26.0, 26.25], [25.57, 26.43], [25.75, 26.0], [25.53, 25.47], [25.0, 25.25], [24.47, 25.47], [24.32, 25.82], [23.97, 25.97]], [[25.43, 26.57], [25.32, 26.82], [25.25, 26.85], [25.18, 26.82], [25.15, 26.75], [25.18, 26.68], [25.37, 26.6], [25.43, 26.57]]]]}}, "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": {"2025-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.25, 30.5], [27.47, 31.03], [28.0, 31.25], [28.53, 31.03], [28.68, 30.68], [28.75, 30.65], [29.0, 30.75], [29.25, 30.65], [29.32, 30.68], [29.47, 31.03], [30.0, 31.25], [30.25, 31.15], [30.5, 31.25], [31.03, 31.03], [31.18, 30.68], [31.25, 30.65], [31.5, 30.75], [31.75, 30.65], [31.82, 30.68], [31.97, 31.03], [32.5, 31.25], [32.75, 31.15], [33.0, 31.25], [33.25, 31.15], [33.32, 31.18], [33.35, 31.25], [33.25, 31.5], [33.47, 32.03], [33.82, 32.18], [33.97, 32.53], [34.5, 32.75], [35.03, 32.53], [35.25, 32.0], [35.15, 31.75], [35.18, 31.68], [35.53, 31.53], [35.75, 31.0], [35.65, 30.75], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.53, 29.47], [35.18, 29.32], [35.03, 28.97], [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], [32.25, 28.85], [32.0, 28.75], [31.75, 28.85], [31.5, 28.75], [31.25, 28.85], [31.18, 28.82], [31.03, 28.47], [30.5, 28.25], [30.25, 28.35], [30.0, 28.25], [29.75, 28.35], [29.5, 28.25], [29.25, 28.35], [29.0, 28.25], [28.47, 28.47], [28.32, 28.82], [27.97, 28.97], [27.82, 29.32], [27.47, 29.47], [27.25, 30.0], [27.35, 30.25], [27.25, 30.5]]]]}, "2025-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[25.0, 25.25], [24.47, 25.47], [24.25, 26.0], [24.47, 26.53], [25.0, 26.75], [25.53, 26.53], [25.75, 26.0], [25.53, 25.47], [25.0, 25.25]]], [[[25.47, 29.53], [25.82, 29.68], [25.97, 30.03], [26.5, 30.25], [26.75, 30.15], [27.0, 30.25], [27.25, 30.15], [27.32, 30.18], [27.35, 30.25], [27.25, 30.5], [27.47, 31.03], [28.0, 31.25], [28.53, 31.03], [28.68, 30.68], [28.75, 30.65], [29.0, 30.75], [29.25, 30.65], [29.32, 30.68], [29.47, 31.03], [30.0, 31.25], [30.25, 31.15], [30.5, 31.25], [31.03, 31.03], [31.18, 30.68], [31.25, 30.65], [31.5, 30.75], [31.75, 30.65], [31.82, 30.68], [31.97, 31.03], [32.5, 31.25], [32.75, 31.15], [33.0, 31.25], [33.25, 31.15], [33.32, 31.18], [33.35, 31.25], [33.25, 31.5], [33.47, 32.03], [33.82, 32.18], [33.97, 32.53], [34.5, 32.75], [35.03, 32.53], [35.25, 32.0], [35.15, 31.75], [35.18, 31.68], [35.53, 31.53], [35.75, 31.0], [35.65, 30.75], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.53, 29.47], [35.18, 29.32], [35.03, 28.97], [34.5, 28.75], [34.25, 28.85], [34.0, 28.75], [33.75, 28.85], [33.68, 28.82], [33.65, 28.75], [33.68, 28.68], [34.03, 28.53], [34.25, 28.0], [34.03, 27.47], [33.5, 27.25], [32.97, 27.47], [32.82, 27.82], [32.47, 27.97], [32.25, 28.5], [32.35, 28.75], [32.32, 28.82], [32.25, 28.85], [32.0, 28.75], [31.75, 28.85], [31.5, 28.75], [31.25, 28.85], [31.18, 28.82], [31.03, 28.47], [30.5, 28.25], [30.25, 28.35], [30.0, 28.25], [29.75, 28.35], [29.5, 28.25], [29.25, 28.35], [29.0, 28.25], [28.47, 28.47], [28.32, 28.82], [28.25, 28.85], [28.13, 28.8], [28.25, 28.5], [28.15, 28.25], [28.25, 28.0], [28.03, 27.47], [27.5, 27.25], [26.97, 27.47], [26.82, 27.82], [26.75, 27.85], [26.5, 27.75], [26.25, 27.85], [26.0, 27.75], [25.47, 27.97], [25.25, 28.5], [25.35, 28.75], [25.25, 29.0], [25.47, 29.53]]]]}, "2025-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.25, 29.0], [23.47, 29.53], [24.0, 29.75], [24.5, 29.54], [25.0, 29.75], [25.5, 29.54], [25.82, 29.68], [25.97, 30.03], [26.5, 30.25], [26.75, 30.15], [27.0, 30.25], [27.25, 30.15], [27.32, 30.18], [27.35, 30.25], [27.25, 30.5], [27.47, 31.03], [28.0, 31.25], [28.53, 31.03], [28.68, 30.68], [28.75, 30.65], [29.0, 30.75], [29.25, 30.65], [29.32, 30.68], [29.47, 31.03], [30.0, 31.25], [30.25, 31.15], [30.5, 31.25], [31.03, 31.03], [31.18, 30.68], [31.25, 30.65], [31.5, 30.75], [31.75, 30.65], [31.82, 30.68], [31.97, 31.03], [32.5, 31.25], [32.75, 31.15], [33.0, 31.25], [33.25, 31.15], [33.32, 31.18], [33.35, 31.25], [33.25, 31.5], [33.47, 32.03], [33.82, 32.18], [33.97, 32.53], [34.5, 32.75], [35.03, 32.53], [35.25, 32.0], [35.15, 31.75], [35.18, 31.68], [35.53, 31.53], [35.75, 31.0], [35.65, 30.75], [35.75, 30.5], [35.65, 30.25], [35.75, 30.0], [35.53, 29.47], [35.18, 29.32], [35.03, 28.97], [34.5, 28.75], [34.25, 28.85], [34.0, 28.75], [33.75, 28.85], [33.68, 28.82], [33.65, 28.75], [33.68, 28.68], [34.03, 28.53], [34.25, 28.0], [34.03, 27.47], [33.5, 27.25], [32.97, 27.47], [32.82, 27.82], [32.47, 27.97], [32.25, 28.5], [32.35, 28.75], [32.32, 28.82], [32.25, 28.85], [32.0, 28.75], [31.75, 28.85], [31.5, 28.75], [31.25, 28.85], [31.18, 28.82], [31.03, 28.47], [30.5, 28.25], [30.25, 28.35], [30.0, 28.25], [29.75, 28.35], [29.5, 28.25], [29.25, 28.35], [29.0, 28.25], [28.47, 28.47], [28.32, 28.82], [28.25, 28.85], [28.13, 28.8], [28.25, 28.5], [28.15, 28.25], [28.25, 28.0], [28.03, 27.47], [27.5, 27.25], [27.25, 27.35], [27.0, 27.25], [26.7, 27.38], [26.65, 27.25], [26.75, 27.0], [26.53, 26.47], [26.0, 26.25], [25.57, 26.43], [25.75, 26.0], [25.53, 25.47], [25.0, 25.25], [24.47, 25.47], [24.32, 25.82], [23.97, 25.97], [23.75, 26.5], [23.85, 26.75], [23.75, 27.0], [23.85, 27.25], [23.75, 27.5], [23.85, 27.75], [23.82, 27.82], [23.47, 27.97], [23.25, 28.5], [23.35, 28.75], [23.25, 29.0]], [[25.43, 26.57], [25.32, 26.82], [25.25, 26.85], [25.18, 26.82], [25.15, 26.75], [25.18, 26.68], [25.43, 26.57]]]]}, "2025-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.47, 29.53], [24.0, 29.75], [24.5, 29.54], [25.0, 29.75], [25.5, 29.54], [25.82, 29.68], [25.97, 30.03], [26.5, 30.25], [26.75, 30.15], [27.0, 30.25], [27.25, 30.15], [27.5, 30.25], [27.75, 30.15], [28.0, 30.25], [28.53, 30.03], [28.75, 29.5], [28.53, 28.97], [28.13, 28.8], [28.25, 28.5], [28.15, 28.25], [28.25, 28.0], [28.03, 27.47], [27.5, 27.25], [27.25, 27.35], [27.0, 27.25], [26.7, 27.38], [26.65, 27.25], [26.75, 27.0], [26.53, 26.47], [26.0, 26.25], [25.57, 26.43], [25.75, 26.0], [25.53, 25.47], [25.0, 25.25], [24.47, 25.47], [24.32, 25.82], [23.97, 25.97], [23.75, 26.5], [23.85, 26.75], [23.75, 27.0], [23.85, 27.25], [23.75, 27.5], [23.85, 27.75], [23.82, 27.82], [23.47, 27.97], [23.25, 28.5], [23.35, 28.75], [23.25, 29.0], [23.47, 29.53]], [[25.32, 26.82], [25.25, 26.85], [25.18, 26.82], [25.15, 26.75], [25.18, 26.68], [25.43, 26.57], [25.32, 26.82]]], [[[32.47, 29.53], [33.0, 29.75], [33.53, 29.53], [33.75, 29.0], [33.65, 28.75], [33.68, 28.68], [34.03, 28.53], [34.25, 28.0], [34.03, 27.47], [33.5, 27.25], [32.97, 27.47], [32.82, 27.82], [32.47, 27.97], [32.25, 28.5], [32.35, 28.75], [32.25, 29.0], [32.47, 29.53]]]]}, "2025-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.25, 29.0], [23.47, 29.53], [24.0, 29.75], [24.5, 29.54], [25.0, 29.75], [25.5, 29.54], [26.0, 29.75], [26.25, 29.65], [26.5, 29.75], [27.03, 29.53], [27.25, 29.0], [27.15, 28.75], [27.18, 28.68], [27.53, 28.53], [27.75, 28.0], [27.53, 27.47], [27.0, 27.25], [26.7, 27.38], [26.65, 27.25], [26.75, 27.0], [26.53, 26.47], [26.0, 26.25], [25.57, 26.43], [25.75, 26.0], [25.53, 25.47], [25.0, 25.25], [24.47, 25.47], [24.32, 25.82], [23.97, 25.97], [23.75, 26.5], [23.85, 26.75], [23.75, 27.0], [23.85, 27.25], [23.75, 27.5], [23.85, 27.75], [23.82, 27.82], [23.47, 27.97], [23.25, 28.5], [23.35, 28.75], [23.25, 29.0]], [[25.43, 26.57], [25.32, 26.82], [25.25, 26.85], [25.18, 26.82], [25.15, 26.75], [25.18, 26.68], [25.43, 26.57]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.692215458055784}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.717751458807553}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.668073659703396, 31.587912079024193, 31.45311322334487, 32.36719411214193, 32.49302109227034]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.06160888671877, 33.791480000813806, 34.258454895019554, 33.42127380371096, 33.59134318033858]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8399141459864476, 3.2050452672947825, 2.6474002265120746, 2.1350623978633205, 2.2081623743217422]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.033552695717503, 4.692215458055784, 3.53428400619498, 2.602185522645698, 2.5134511883759956]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.809048341536725, 2.126551614864528, 1.7091945441796368, 1.3458138535997561, 1.408388518240085]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.613814520567927, 3.5053694214898505, 2.4165228381054575, 1.5391857787382284, 1.6218510259784162]}}