{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:59.131046", "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": "2019-Jun-18_to_2019-Jun-20_24.5_29.5"}, "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": 2019060002467}, "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 18 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 20 2019"}, "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": 67676.4959243878}, "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", "Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": []}, "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": 29.5}, "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": 24.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 23.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 28.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.85, 28.75], [22.75, 29.0], [22.85, 29.25], [22.75, 29.5], [22.97, 30.03], [23.5, 30.25], [23.75, 30.15], [23.82, 30.18], [23.97, 30.53], [24.5, 30.75], [25.03, 30.53], [25.18, 30.18], [25.25, 30.15], [25.5, 30.25], [26.03, 30.03], [26.18, 29.68], [26.5, 29.54], [27.0, 29.75], [27.25, 29.65], [27.5, 29.75], [28.03, 29.53], [28.18, 29.18], [28.53, 29.03], [28.75, 28.5], [28.53, 27.97], [28.0, 27.75], [27.75, 27.85], [27.5, 27.75], [27.25, 27.85], [27.0, 27.75], [26.75, 27.85], [26.5, 27.75], [25.97, 27.97], [25.82, 28.32], [25.75, 28.35], [25.68, 28.32], [25.53, 27.97], [25.18, 27.82], [25.03, 27.47], [24.5, 27.25], [24.25, 27.35], [24.0, 27.25], [23.75, 27.35], [23.5, 27.25], [22.97, 27.47], [22.75, 28.0], [22.85, 28.25], [22.75, 28.5], [22.85, 28.75]]]]}, "2019-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.85, 28.75], [22.75, 29.0], [22.85, 29.25], [22.75, 29.5], [22.97, 30.03], [23.5, 30.25], [23.75, 30.15], [23.82, 30.18], [23.97, 30.53], [24.5, 30.75], [25.03, 30.53], [25.18, 30.18], [25.25, 30.15], [25.5, 30.25], [26.03, 30.03], [26.18, 29.68], [26.5, 29.54], [27.0, 29.75], [27.25, 29.65], [27.5, 29.75], [28.03, 29.53], [28.18, 29.18], [28.53, 29.03], [28.75, 28.5], [28.53, 27.97], [28.0, 27.75], [27.75, 27.85], [27.5, 27.75], [27.25, 27.85], [27.0, 27.75], [26.75, 27.85], [26.5, 27.75], [25.97, 27.97], [25.82, 28.32], [25.75, 28.35], [25.68, 28.32], [25.53, 27.97], [25.18, 27.82], [25.03, 27.47], [24.5, 27.25], [24.25, 27.35], [24.0, 27.25], [23.75, 27.35], [23.5, 27.25], [22.97, 27.47], [22.75, 28.0], [22.85, 28.25], [22.75, 28.5], [22.85, 28.75]]]]}, "2019-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.85, 28.75], [22.75, 29.0], [22.85, 29.25], [22.75, 29.5], [22.97, 30.03], [23.5, 30.25], [23.75, 30.15], [23.82, 30.18], [23.97, 30.53], [24.5, 30.75], [25.03, 30.53], [25.18, 30.18], [25.25, 30.15], [25.5, 30.25], [26.03, 30.03], [26.18, 29.68], [26.5, 29.54], [27.0, 29.75], [27.25, 29.65], [27.5, 29.75], [28.03, 29.53], [28.18, 29.18], [28.53, 29.03], [28.75, 28.5], [28.53, 27.97], [28.0, 27.75], [27.75, 27.85], [27.5, 27.75], [27.25, 27.85], [27.0, 27.75], [26.75, 27.85], [26.5, 27.75], [25.97, 27.97], [25.82, 28.32], [25.75, 28.35], [25.68, 28.32], [25.53, 27.97], [25.18, 27.82], [25.03, 27.47], [24.5, 27.25], [24.25, 27.35], [24.0, 27.25], [23.75, 27.35], [23.5, 27.25], [22.97, 27.47], [22.75, 28.0], [22.85, 28.25], [22.75, 28.5], [22.85, 28.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.434446594062194}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.044606508360626}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.295566537573734, 34.34595227565967, 33.02834208120129]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.35088506765578, 36.58583845135905, 33.80553750808315]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7947098191981263, 4.847804762020039, 3.491304943863713]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.364114251121578, 6.434446594062194, 4.509715566744603]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7335600484527953, 2.217304176326156, 1.5774784014000722]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0452624631234575, 2.6942194781077533, 2.0160229068035136]}}